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#33 From: "PHIL HOWARD" <phoward@...>
Date: Mon Jan 6, 2003 4:20 pm
Subject: RE: [PVD_coatings Forum] New Member
phoward@...
Send Email Send Email
 
Hi John,

You have some good questions on PVD, I am interested in the answers
also.

BTW, I have a TM product called SafeSealT for fantastic rust prevention
for inside storage.  If that is compatible with your coating line, we
would love to talk to you.

Phillip Howard
Product Safety Advisor
IMS Company
10373 Stafford Rd.
Chagrin Falls, OH  44023
P  440-543-1615
F  440-543-1069
E  phoward@...
W  www.imscompany.com


-----Original Message-----
From: perkco@... [mailto:perkco@...]
Sent: Monday, January 06, 2003 10:54 AM
To: PVD_coatings@yahoogroups.com
Subject: Re: [PVD_coatings Forum] New Member

Hi John,

Thank you.  I have another question, what does the PVD coating do, stop
the
Sputtering, Arc, and evaporation.  And another, I've been in the
coatings
field for a while but am not familiar with Sputtering or Arc either.  I
know
this must sound like some dumb questions but I thought I should know as
I was
asked to be on this forum with a coating line I represent, Zero Rust.

Are PVD coatings to stop rust and corrosion or are they for
waterproofing or
both or do they go even farther than this?  If so, what?   Thank you in
advance.

Have a great 2003!
Tom Davis
Perk & Co.



[Non-text portions of this message have been removed]


http://groups.yahoo.com/group/PVD_coatings
Group Moderator: Vasco Teixeira (Univ. Minho)

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#32 From: vasco@...
Date: Mon Jan 6, 2003 4:15 pm
Subject: Re: [PVD_coatings Forum] PVD glossary and some applications
vasco@...
Send Email Send Email
 
Dera Tom

if you want to learn a few things about what is PVD and deposition techniques
for thin films and coatings (less than 10 micron) you may find several web
sites:
try this from DBFILMS

http://www.dbfilms.com/glossary.htm

or from Advanced Surface Engineering Inc.

http://www.advancedsurface.com/

and many more.
Some of you may have good and different inputs for this forum, like surface
inspection, protection, problems of corrosion and wear in components where PVD
(Physically Vapor Deposited) coatings or CVD coatings (Chemical Vapor
Deposited) all produced within vacuum chambers, can improve performance and
lifetime.

Regards

Vasco





Citando perkco@...:

> Hi John,
>
> Thank you.  I have another question, what does the PVD coating do, stop the
>
> Sputtering, Arc, and evaporation.  And another, I've been in the coatings
> field for a while but am not familiar with Sputtering or Arc either.  I know
>
> this must sound like some dumb questions but I thought I should know as I was
>
> asked to be on this forum with a coating line I represent, Zero Rust.
>
> Are PVD coatings to stop rust and corrosion or are they for waterproofing or
>
> both or do they go even farther than this?  If so, what?   Thank you in
> advance.
>
> Have a great 2003!
> Tom Davis
> Perk & Co.
>
>
>
> [Non-text portions of this message have been removed]
>
>
> http://groups.yahoo.com/group/PVD_coatings
> Group Moderator: Vasco Teixeira (Univ. Minho)
>
> To unsubscribe from this group, send an email to:
> PVD_coatings-unsubscribe@yahoogroups.com
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>

#31 From: perkco@...
Date: Mon Jan 6, 2003 10:54 am
Subject: Re: [PVD_coatings Forum] New Member
perkco2000
Offline Offline
Send Email Send Email
 
Hi John,

Thank you.  I have another question, what does the PVD coating do, stop the
Sputtering, Arc, and evaporation.  And another, I've been in the coatings
field for a while but am not familiar with Sputtering or Arc either.  I know
this must sound like some dumb questions but I thought I should know as I was
asked to be on this forum with a coating line I represent, Zero Rust.

Are PVD coatings to stop rust and corrosion or are they for waterproofing or
both or do they go even farther than this?  If so, what?   Thank you in
advance.

Have a great 2003!
Tom Davis
Perk & Co.



[Non-text portions of this message have been removed]

#30 From: John Keem <jkeem@...>
Date: Mon Jan 6, 2003 3:41 pm
Subject: RE: [PVD_coatings Forum] New Member
jkeem@...
Send Email Send Email
 
PVD stands for Physical Vapor Deposition.  Generally, Sputtering, Arc and
evaporation.
John

-----Original Message-----
From: perkco@... [mailto:perkco@...]
Sent: Monday, January 06, 2003 10:36 AM
To: PVD_coatings@yahoogroups.com
Subject: Re: [PVD_coatings Forum] New Member


Hi John,

What is PVD equipment?

Regards,
Tom Davis
Perk & Co.


[Non-text portions of this message have been removed]


http://groups.yahoo.com/group/PVD_coatings
Group Moderator: Vasco Teixeira (Univ. Minho)

To unsubscribe from this group, send an email to:
PVD_coatings-unsubscribe@yahoogroups.com



Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/


This email and any attachments may contain information that is confidential
and proprietary information of Veeco Instruments Inc. and are intended only
for the use of the addressee. Unauthorized use, distribution or copying is
forbidden. If you have received this email in error, please notify the
sender immediately by return email and delete all copies of this message and
any attachments from your computer. Thank you.


[Non-text portions of this message have been removed]

#29 From: perkco@...
Date: Mon Jan 6, 2003 10:36 am
Subject: Re: [PVD_coatings Forum] New Member
perkco2000
Offline Offline
Send Email Send Email
 
Hi John,

What is PVD equipment?

Regards,
Tom Davis
Perk & Co.


[Non-text portions of this message have been removed]

#28 From: "jcarlot1 <jcarlot@...>" <jcarlot@...>
Date: Mon Jan 6, 2003 3:26 pm
Subject: New Member
jcarlot1
Offline Offline
Send Email Send Email
 
Hello Everyone,

My name is John Carlotto and I am a provider of PVD equipment and
processes for PVD. The name of my company is Deposition Equipment &
Process Associates and we are located in Barrington, Rhode island.
We offer custom equipment design and build as well as process
development for the particular equipment application.

Our background is in equipment building for PVD as well as
manufacturing using PVD (arc, sputtering and e-beam) for automotive,
consumer products, tooling and other functional coating applications.

I am a member of the SVC and past chaiman of the Decorative and
Functional TAC.

We would be happy to answer any questions regarding PVD where we can
and refer people to other experts who may be able to help.

Looking forward to interesting conversation.

Regards,
John Carlotto

#27 From: S.Mikhalovsky@...
Date: Mon Jan 6, 2003 10:49 am
Subject: RE: [PVD_coatings Forum] Re: Hello group. Astronomical vacuum sta tion.
S.Mikhalovsky@...
Send Email Send Email
 
I know of the company, Teer Coatings Ltd, and they have done recently a
similar job, coating a mirror for a rather large telescope. The best way is
to contact them directly, e-mail:  sales@... or check their
website where you could get other details.

http://www.teercoatings.co.uk

Regards,

Sergey Mikhalovsky

-----Original Message-----
From: turbocryo <sales@...> [mailto:sales@...]
Sent: 04 January 2003 00:10
To: PVD_coatings@yahoogroups.com
Subject: [PVD_coatings Forum] Re: Hello group. Astronomical vacuum
station.


--- In PVD_coatings@yahoogroups.com, "Oscar Gonzalez Regueira
<ogry@p...>" <ogry@p...> wrote:
> Hi,
>
> Congratulations for the new group.
>
> I'm an Amateur Telescope Maker from Spain, and I'm here to learn as
> much is possible from you about vaccum coatings. I'm not an expert
in
> theses technologies so please, don't ask too hard ;-))
>
> A few friends and me, we are designing a cheap, but operational
> vacuum station in order to coat astronomical mirrors up to 550mm.
> (~20") in diam. The bell will have at least 600mm interior
diameter,
> and more than 500mm. in heigh. It would be make of 304L inox.
>
> Someone knows where to buy good second hand material here in Europe?
>
> We can be interested in a good diffusion (better if a cheap cryo or
> turbomolecular one) pump, a roots pump, valves and gauges. Or
better
> else, a used station in good conditions.
>
> Thanks in advance.
>
>
> Saludos,    OSCAR.



Dear Oscar,

What you need is an aluminum thermal evaporator.  Stokes made these
systems for many of the observatories all over the world.  The best
type of high vacuum pump for your application is a large Cryogenic
pump.  Unfortunatley the Cryos are very expensive and they are not
tolerant to heat loads which may be present during long runs of
aluminum evaporation.  The most popular pump for large reflective
coating is the diffusion pump.  Diffusion pumps are solid state and
are rugged as well as reasonably cheap.  I would try to find a
complete system because the little component costs are much higher
the whole system.  It is similar to buying a car out of parts instead
of a whole car package.  If you were to buy a car out of parts alone
the cost would be many times the cost of a new whole car.

If you have any questiones or need any feedback on European sources
drop me a line.


Best regards,

Brendan Riley
PTB Sales


http://groups.yahoo.com/group/PVD_coatings
Group Moderator: Vasco Teixeira (Univ. Minho)

To unsubscribe from this group, send an email to:
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#26 From: "Vasco Teixeira <vteixeira2000@...>" <vteixeira2000@...>
Date: Sun Jan 5, 2003 8:06 pm
Subject: General Terms of Use for the Forum Members
vteixeira2000
Offline Offline
Send Email Send Email
 
Forum Members Update: since the creation on 2002.12.28 already 143
members subscribed!


Dear colleagues and friends

Surface Engineering, Advanced Vacuum Surface Treatments, Design of
Novel PVD Coatings Systems and Surface Characterization Techniques
(NDE included) are hot topics of current R&D in several research
institutes, universities and industries.

This new International Scientific and Technical FORUM aims to discuss
new results, answer technical questions, present new industrial
products and share information and industrial know-how in the field
on advanced protective and functional coatings systems, surface
engineering and vacuum technology. We hope that if the discussion
group is worldwide and from different surface-coating
processing/characterization specialties (academic & industry) the
Forum will be very interesting and fruitful for all the participants.
Of course, there is no fee neither obligation to post messages. You
can be a Group Member even without receiving regular messages (you
just go to web site and check them!). Receiving the Special Notices
by the Moderator is highly recommended.

Please post your message, conference announcement, job and project
cooperation message, your comment or your question to experts in the
list. (subjects should be related to the topics of this Group)

I sincerely hope that we can learn and share new ideas, improve the
international cooperation between members of this Forum and use it as
a start-up for new R&D project consortia.

Enjoy your Forum and, please, recommend it to a colleague working in
this field!
(if you whish you can use the Promote function on the group web site
or forward this message).

Best Regards and whishes of an Happy and Successful New Year

Vasco Teixeira
(PVD Coatings Group Moderator)

http://vteixeira.com.sapo.pt
http://www.uminho.pt
http://groups.yahoo.com/group/PVD_coatings



PVD_Coatings Group FORUM  ******** TERMS OF USE ********

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#25 From: "Vasco Teixeira <vteixeira2000@...>" <vteixeira2000@...>
Date: Sun Jan 5, 2003 7:56 pm
Subject: Members update and important information
vteixeira2000
Offline Offline
Send Email Send Email
 
Dear colleagues,

It is a great pleasure for me to inform all the members of
PVD_Coatings- Surface Engineering, PVD Coatings and Vacuum Technology
FORUM  that after the recent creation on December 28th 2002 a total
of 143 members have already registered!

We hope that all the inputs will be very instructive and we can in
near future establish new R&D cooperations and new coatings
businesses.

I remember all of you that if you do not want to receive all the
single messages you can go to your member profile and change it to:
no email, daily digest, special notices or individual emails.
If you receive daily digest please do not reply to this (go to forum
webpage and reply only to the message you want).

Notice that if you unsubscribe you leave the group! So if you want to
change your profile on receiving messages by email you can send me a
mail asking to perform such operation.

I will also post later the Terms of Use for those who did not receive.

Best regards ,
and, do not forget: be active! Take in mind that your inputs are the
fuel for this forum!

Vasco Teixeira

#24 From: "Vasco Teixeira <vteixeira2000@...>" <vteixeira2000@...>
Date: Sun Jan 5, 2003 7:10 pm
Subject: Re: NDE applicability
vteixeira2000
Offline Offline
Send Email Send Email
 
At NPL- National Physical Laboratory several projects are running on
coatings analysis 8some of the techniques beeing non destructive.
here some links:
Abrasion and Wear Testing of Coatings by Ball Cratering: CRATER
http://www.npl.co.uk/npl/cmmt/projects/crater/

Measurement of the Adhesion of Coatings
http://www.npl.co.uk/npl/cmmt/surfacetech/coatings_adhesion.html

Measurement of Residual Stresses in Coatings
http://www.npl.co.uk/npl/cmmt/surfacetech/mrsc.html

Behaviour of Coatings Used in Gas Turbines for Protection Against
Corrosion and Thermal Loads
http://www.npl.co.uk/npl/cmmt/htc/cbehaviour.html

NDE coatings analysis by Fluorescence (piezospectroscopy:
http://www.npl.co.uk/npl/cmmt/htc/boc/bocpg6.html

But there are much more!

Vasco Teixeira


--- In PVD_coatings@yahoogroups.com, "VacMinho-Coatings and Surface
Engineering Ltd <vacminho@y...>" <vacminho@y...> wrote:
> --- In PVD_coatings@yahoogroups.com, amdatande@a... wrote:
> > Hello Group,
> >
> > How thick are we talking about relative to the term "thin
coatings"?
>
> We should talk about two thickness ranges:
> i) one for protective coatings (>3 micron and up to 10 micron)
> ii) one for thin coatings (decorative, microlectronic, optic
> applications) (often up to 1 micron maximum).
>
> But NDE applicability should take in account transparent coatings
> also if the technique to be used is optical interference technique.
>
> regards
>
> Nuno
>
> http://vacminho.com.sapo.pt

#23 From: "Vasco Teixeira <vteixeira2000@...>" <vteixeira2000@...>
Date: Sun Jan 5, 2003 6:45 pm
Subject: Re: Hello group. Astronomical vacuum station.
vteixeira2000
Offline Offline
Send Email Send Email
 
Dear Oscar

I think it will much more effcient for your astronomy club to pay for
a coater service than to buy a coating system for a few coatings!
Any way you may find in the internet some sites selling used vacuum
equipment. In Spain and Portugal i know a few companies that sell new
vacuum chambers at a very competitive prices.

Regards

Vasco Teixeira


--- In PVD_coatings@yahoogroups.com, "turbocryo <sales@p...>"
<sales@p...> wrote:
> --- In PVD_coatings@yahoogroups.com, "Oscar Gonzalez Regueira
> <ogry@p...>" <ogry@p...> wrote:
> > Hi,
> >
> > Congratulations for the new group.
> >
> > I'm an Amateur Telescope Maker from Spain, and I'm here to learn
as
> > much is possible from you about vaccum coatings. I'm not an
expert
> in
> > theses technologies so please, don't ask too hard ;-))
> >
> > A few friends and me, we are designing a cheap, but operational
> > vacuum station in order to coat astronomical mirrors up to 550mm.
> > (~20") in diam. The bell will have at least 600mm interior
> diameter,
> > and more than 500mm. in heigh. It would be make of 304L inox.
> >
> > Someone knows where to buy good second hand material here in
Europe?
> >
> > We can be interested in a good diffusion (better if a cheap cryo
or
> > turbomolecular one) pump, a roots pump, valves and gauges. Or
> better
> > else, a used station in good conditions.
> >
> > Thanks in advance.
> >
> >
> > Saludos,    OSCAR.
>
>
>
> Dear Oscar,
>
> What you need is an aluminum thermal evaporator.  Stokes made these
> systems for many of the observatories all over the world.  The best
> type of high vacuum pump for your application is a large Cryogenic
> pump.  Unfortunatley the Cryos are very expensive and they are not
> tolerant to heat loads which may be present during long runs of
> aluminum evaporation.  The most popular pump for large reflective
> coating is the diffusion pump.  Diffusion pumps are solid state and
> are rugged as well as reasonably cheap.  I would try to find a
> complete system because the little component costs are much higher
> the whole system.  It is similar to buying a car out of parts
instead
> of a whole car package.  If you were to buy a car out of parts
alone
> the cost would be many times the cost of a new whole car.
>
> If you have any questiones or need any feedback on European sources
> drop me a line.
>
>
> Best regards,
>
> Brendan Riley
> PTB Sales

#22 From: "Vasco Teixeira <vteixeira2000@...>" <vteixeira2000@...>
Date: Sun Jan 5, 2003 6:35 pm
Subject: Re: 46 th SVC coatings technical conference and short courses on vacuum
vteixeira2000
Offline Offline
Send Email Send Email
 
Dear Adam

I am Vasco Teixeira from Uni. of Minho-GRF-Functional Coatings Group
(and I am also this group moderator). I am a member of the AVS, SCV
and ASM-TTS societies and I can tell you that you can learn and
discuss a lot as an active member.

Would you give us some details of what kind of vacuum system are you
using.
If you want a good source besides de AVS, you can learn a lot on
vacuum technology in the 46th Annual Technical Conference of the
Society of Vacuum Coaters - www.sv.org , where you can find excellent
short courses given by experts from coatings industry.

Regards and goof luck for you new coatings job.

Vasco


--- In PVD_coatings@yahoogroups.com, "turbocryo <sales@p...>"
<sales@p...> wrote:
> --- In PVD_coatings@yahoogroups.com, "silverallday
> <silverallday@y...>" <silverallday@y...> wrote:
> > Hello Group!!
> >
> >
> > My name is Adam Dilday, and i am over a vacuum deposition chamber
> at
> > Cybershield. I hope to get to know most all of you because i need
> all
> > the help i can get!!! I am new to the field and have only been in
> it
> > for a year. Well thats Me. Hope to hear from you all.
>
>
> Dear Adam,
>
> My name is Brendan Riley.  I work for a company that specializes in
> New and Used vacuum products.  I find that the American Vacuum
> Society (I am the president of the Southern California Chapter) has
> many valuable courses on vacuum technology.  The Society of Vacuum
> Coaters also has excellent courses.  If you are interested in
getting
> in contact with these groups,  drop me a line and I'll give you
their
> contact information.
>
> Best regards and good luck,
>
>
> Brendan Riley

#21 From: "ricasty <ricasty@...>" <ricasty@...>
Date: Sun Jan 5, 2003 4:45 am
Subject: Re: NDE applicability
ricasty
Offline Offline
Send Email Send Email
 
not more than 10 micron for PVD layers.
But I have also interest up to 600 micron (for sprayed thick
coatings).
It would be great if someone post references and links to these
topics on NDE applicability for thin coatings.

Regards

Ricky

--- In PVD_coatings@yahoogroups.com, amdatande@a... wrote:
> Hello Group,
>
> How thick are we talking about relative to the term "thin coatings"?

#20 From: "ricasty <ricasty@...>" <ricasty@...>
Date: Sun Jan 5, 2003 4:39 am
Subject: Re: Thickness measurement.
ricasty
Offline Offline
Send Email Send Email
 
Hello Kenvlach,

Good idea. I would like also some good references particularly for
non-contact thickness measurement.
Ball cratering is the usual method at industry but it is destructive.
Any way I will provide some links and references also
for "destructive".

regards

Ricky

--- In PVD_coatings@yahoogroups.com, "kenvlach <kvlach@m...>"
<kvlach@m...> wrote:
> Hi,
> Here are 2 articles on coating thickness measurement.
> from Products Finishing:
http://www.pfonline.com/articles/pfd0027.html
> from Metal Finishing Guidebook:
>
http://www.metalfinishing.com/WZ/MetalFinishing/guidebooks/MetalGB_Con
> trolAnalysisTesting/000017/show/
>
> These methods are for metal plating, anodic oxide films, paints,
> etc., so basically cover the thickness range 0.05 mil to 10 mil
> (about 1 to 250 microns).  I would appreciate someone posting
similar
> references more specific to PVD coatings.

#19 From: "ricasty <ricasty@...>" <ricasty@...>
Date: Sun Jan 5, 2003 4:35 am
Subject: Re: emissivity measurent of black surfaces
ricasty
Offline Offline
Send Email Send Email
 
You can use IR reflectance spectroscopy to measure surface emissivity
(but it is not a simple equipment neither cheap!).

regards

Ricky


--- In PVD_coatings@yahoogroups.com, "vteixeira2000
<vteixeira2000@y...>" <vteixeira2000@y...> wrote:
> Hi
>
> Is there any simple equipment to measure solar emmitance of low e
> coatings and high solar absorptance in selective surfaces?
>
> Regards
>
> Vasco Teixeira

#17 From: "turbocryo <sales@...>" <sales@...>
Date: Sat Jan 4, 2003 12:10 am
Subject: Re: Hello group. Astronomical vacuum station.
turbocryo
Offline Offline
Send Email Send Email
 
--- In PVD_coatings@yahoogroups.com, "Oscar Gonzalez Regueira
<ogry@p...>" <ogry@p...> wrote:
> Hi,
>
> Congratulations for the new group.
>
> I'm an Amateur Telescope Maker from Spain, and I'm here to learn as
> much is possible from you about vaccum coatings. I'm not an expert
in
> theses technologies so please, don't ask too hard ;-))
>
> A few friends and me, we are designing a cheap, but operational
> vacuum station in order to coat astronomical mirrors up to 550mm.
> (~20") in diam. The bell will have at least 600mm interior
diameter,
> and more than 500mm. in heigh. It would be make of 304L inox.
>
> Someone knows where to buy good second hand material here in Europe?
>
> We can be interested in a good diffusion (better if a cheap cryo or
> turbomolecular one) pump, a roots pump, valves and gauges. Or
better
> else, a used station in good conditions.
>
> Thanks in advance.
>
>
> Saludos,    OSCAR.



Dear Oscar,

What you need is an aluminum thermal evaporator.  Stokes made these
systems for many of the observatories all over the world.  The best
type of high vacuum pump for your application is a large Cryogenic
pump.  Unfortunatley the Cryos are very expensive and they are not
tolerant to heat loads which may be present during long runs of
aluminum evaporation.  The most popular pump for large reflective
coating is the diffusion pump.  Diffusion pumps are solid state and
are rugged as well as reasonably cheap.  I would try to find a
complete system because the little component costs are much higher
the whole system.  It is similar to buying a car out of parts instead
of a whole car package.  If you were to buy a car out of parts alone
the cost would be many times the cost of a new whole car.

If you have any questiones or need any feedback on European sources
drop me a line.


Best regards,

Brendan Riley
PTB Sales

#16 From: "turbocryo <sales@...>" <sales@...>
Date: Fri Jan 3, 2003 10:07 pm
Subject: Re: The new Guy
turbocryo
Offline Offline
Send Email Send Email
 
--- In PVD_coatings@yahoogroups.com, "silverallday
<silverallday@y...>" <silverallday@y...> wrote:
> Hello Group!!
>
>
> My name is Adam Dilday, and i am over a vacuum deposition chamber
at
> Cybershield. I hope to get to know most all of you because i need
all
> the help i can get!!! I am new to the field and have only been in
it
> for a year. Well thats Me. Hope to hear from you all.


Dear Adam,

My name is Brendan Riley.  I work for a company that specializes in
New and Used vacuum products.  I find that the American Vacuum
Society (I am the president of the Southern California Chapter) has
many valuable courses on vacuum technology.  The Society of Vacuum
Coaters also has excellent courses.  If you are interested in getting
in contact with these groups,  drop me a line and I'll give you their
contact information.

Best regards and good luck,


Brendan Riley

#15 From: "turbocryo <sales@...>" <sales@...>
Date: Fri Jan 3, 2003 10:02 pm
Subject: Re: NDT-non destructive evaluation techniques most popular for thin coated samples
turbocryo
Offline Offline
Send Email Send Email
 
--- In PVD_coatings@yahoogroups.com, "ricasty <ricasty@y...>"
<ricasty@y...> wrote:
> HELLO GROUP
>
> I am trying to learn about the most popular NDE technique used in
R&D
> and/or industrial environment to check quality control of coated
> pieces (eg. hard coating in cutting tools). The parameters to check
> should be thickness, adherence, defects inside the coat, hardness
> (possible withou contact?!).
>
> Regards


Dear Ricasty,

I have a Veeco/UPA XRF system for sale.  If you are interested in non-
destructive QC,  This unit may be the ticket.


Best regards,


Brendan Riley
PTB Sales
Toll Free 866-332-0500

#14 From: "VacMinho-Coatings and Surface Engineering Ltd <vacminho@...>" <vacminho@...>
Date: Fri Jan 3, 2003 7:58 pm
Subject: Re: NDE applicability
vacminho
Offline Offline
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--- In PVD_coatings@yahoogroups.com, amdatande@a... wrote:
> Hello Group,
>
> How thick are we talking about relative to the term "thin coatings"?

We should talk about two thickness ranges:
i) one for protective coatings (>3 micron and up to 10 micron)
ii) one for thin coatings (decorative, microlectronic, optic
applications) (often up to 1 micron maximum).

But NDE applicability should take in account transparent coatings
also if the technique to be used is optical interference technique.

regards

Nuno

http://vacminho.com.sapo.pt

#13 From: "kenvlach <kvlach@...>" <kvlach@...>
Date: Fri Jan 3, 2003 7:50 pm
Subject: Thickness measurement.
kenvlach
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Hi,
Here are 2 articles on coating thickness measurement.
from Products Finishing: http://www.pfonline.com/articles/pfd0027.html
from Metal Finishing Guidebook:
http://www.metalfinishing.com/WZ/MetalFinishing/guidebooks/MetalGB_Con
trolAnalysisTesting/000017/show/

These methods are for metal plating, anodic oxide films, paints,
etc., so basically cover the thickness range 0.05 mil to 10 mil
(about 1 to 250 microns).  I would appreciate someone posting similar
references more specific to PVD coatings.

#12 From: amdatande@...
Date: Fri Jan 3, 2003 1:38 pm
Subject: NDE applicability
amdatande@...
Send Email Send Email
 
Hello Group,

How thick are we talking about relative to the term "thin coatings"?

#11 From: "Vasco Teixeira <vteixeira2000@...>" <vteixeira2000@...>
Date: Fri Jan 3, 2003 6:23 pm
Subject: Re: NDT-non destructive evaluation techniques most popular for thin coated samples
vteixeira2000
Offline Offline
Send Email Send Email
 
--- In PVD_coatings@yahoogroups.com, "ricasty <ricasty@y...>"
<ricasty@y...> wrote:
> HELLO GROUP
>
> I am trying to learn about the most popular NDE technique used in
R&D
> and/or industrial environment to check quality control of coated
> pieces (eg. hard coating in cutting tools). The parameters to check
> should be thickness, adherence, defects inside the coat, hardness
> (possible withou contact?!).
>
> Regards

Non destructive analysis is a very good challenge to coatings
industry!
Here so ideas:
thickness should be measured by XRF-X-ray fluorescence
the adherence is often a destructive analysis (some samples are used
to assess adhesion by scracth-test).
hardness idem: micro- or nano-indentation with a diamond tip.
the defects and probably some idea of the adherence can be NDE by
photothermal and Raman spectrosocopy.

A good NDE (subjctive) for hardness on TiN coatings is the color A
golden color means good stoichometry and is associated with an higher
adherence.

Vasco

#10 From: "silverallday <silverallday@...>" <silverallday@...>
Date: Fri Jan 3, 2003 5:37 pm
Subject: The new Guy
silverallday
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Hello Group!!


My name is Adam Dilday, and i am over a vacuum deposition chamber at
Cybershield. I hope to get to know most all of you because i need all
the help i can get!!! I am new to the field and have only been in it
for a year. Well thats Me. Hope to hear from you all.

#9 From: "Dr Nasar Ali <n.ali@...>" <n.ali@...>
Date: Fri Jan 3, 2003 3:25 pm
Subject: ICMCTF 2003
nasar_ali786
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Dear members of PVD_coatings,

The ICMCTF is internationally recognized as a vibrant technical
conference that integrates fundamental and applied research focused
on thin film deposition, characterization, and advanced surface
modification techniques.  ICMCTF is the premier international meeting
in the field promoting global exchange of information among
scientists, technologists, and manufacturers.  The conference draws
more than 700 attendees each year with 50 or more technical
sessions.  The poster sessions are well attended and are an important
component of the technical program.  Additional elements of the
conference program include a two day exhibition of the latest
equipment, materials and services used for the deposition, monitoring
and characterization of coatings and thin films. Short courses,
tutorials, and a vendor session are offered.  Symposia have been
organized to address experimental, theoretical, and manufacturing
issues associated with development of new coating materials and
processes, dynamics of film growth, development of functional
coatings, and evolving approaches to scale-up for commercial
applications.

The hotel environs adjacent to the Conference Center provide a
relaxed atmosphere that promotes informal discussions and networking
among the attendees.
   Subject areas - eight concurrent symposia on processing and
characterization of coatings for use at high temperature, wear
protection, optical and decorative purposes, magnetic and electronic
applications, as well as in biotechnology.  There will be special
focus sessions on pulsed plasmas, coatings in biotech and biomedical
applications,  self-assembled coatings, and computational materials
science.

CVD and PVD deposition technology and modified vacuum processing
techniques are augmented by other film deposition methods that
include thermal spray, electroless and electrolytic deposition, and
solution processing.  Transfer of laboratory-developed coating
technology into manufacturing processes and equipment development is
a topic that pervades many of the symposia.

  A Quo Vadimus evening session which this year focuses on a hot
surface engineering topic is expected to draw an enthusiastic
attendance.  The organizers invite your participation in this
conference and look forward to your interaction at the meeting.

The ICMCTF is to be hosted during April 28 - May 2, 2003, Town and
Country Hotel
San Diego, California, USA
For further information on this conference please visit the webpage:
http://www.avs.org/conferences/icmctf/call/2003/default.asp

Regards

N.Ali

#8 From: "Vasco Teixeira <vteixeira2000@...>" <vteixeira2000@...>
Date: Thu Jan 2, 2003 4:48 pm
Subject: Materials'2003 - II International Materials Symposium (SPM)
vteixeira2000
Offline Offline
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II International Materials-A Materials Science Forum
XI Portuguese Materials Society Conference
14-16 April, 2003, Costa da Caparica-Lisbon, Portugal

http://events.fct.unl.pt/materiais2003/

Conference Chair: Prof. Rodrigo Martins

The deadline for the receipt of abstracts is the 10th of February,
2003

The goal of the conference, second international materials symposium
organized by the Portuguese Materials Society (SPM), is the
presentation of original work addressing all aspects of theory,
design, fabrication, finishing, assembly, testing, modelling and
application of materials, in a wide range of fields, ranging from
fundamental Science to Technology and Engineering aspects. In
addition, open discussions are also planned on the conference topics,
aiming at summarizing the main conference inputs and novelties, as
well as at opening international cooperation opportunities between
the attendees.

Contributions are solicited from scientists, engineers and students
engaged in research and development in the universities, research
centres and industry.


Authors are invited to present papers, poster, oral presentation on
the following topics:

   1. Electronic, Optoelectronic, Spintronic and Ferroelectric
Materials.
   2. Metal, Alloys, Composites and Inorganic Materials.
   3. Polymers, Molecular Materials, Biomaterials: degradation and
biological behaviour of biomaterials.
   4. Nano and Micro Structured Materials.
   5. Materials for Energy Storage, Generation and Transport and other
Industrials Applications.
   6. Surfaces, Interfaces and Membranes.
   7. Modelling and Numerical Simulation of Materials Behaviour.
   8. Industrial Materials and Recycling.
   9. Special Session: Materials Science and Society.

#7 From: "Vasco Teixeira <vteixeira2000@...>" <vteixeira2000@...>
Date: Thu Jan 2, 2003 4:31 pm
Subject: ICCE-10 INT. CONF. ON COMPOSITES/NANO ENGINEERING
vteixeira2000
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July 20-26, 2003, New Orleans, USA
http://www.uno.edu/~engr/composite

The ICCE conference is unique in that while it is an engineering
conference, it has attracted numerous chemists, physicists and
scientists from diverse fields in our efforts to promote
interdisciplinary research on composites. Of particular concern is
the challenge for materials engineers to understand the wide
diversity of length sacles ranging from nano to micro to macro and
full scale and to question the validity of the theories or models
which are known to be valid only in certain length scales. The ICCE
is among the first composite materials conferences which take a
leading vital role to bridge the gap between nano-chemistry and nano-
engineering, and attracted hundreds of papers in this existing
relatively new filed of nano-composites engineering.

The ICCE conference will provide a forum for the exchange of
information and ideas in virtually all areas composite materials
research.

Abstracts should be emailed before April 20, 2003
You may send now the tentative title of your contribution.

Chairman of ICCE
Professor David Hui
Department of Mechanical Engineering
University of New Orleans
New Orleans, LA 70148
Tel: (504) 280 6652
Fax: (504) 280 6192
E-mail: dhui@...

#5 From: "Oscar Gonzalez Regueira <ogry@...>" <ogry@...>
Date: Tue Dec 31, 2002 9:07 am
Subject: Hello group. Astronomical vacuum station.
ogrydc
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Hi,

Congratulations for the new group.

I'm an Amateur Telescope Maker from Spain, and I'm here to learn as
much is possible from you about vaccum coatings. I'm not an expert in
theses technologies so please, don't ask too hard ;-))

A few friends and me, we are designing a cheap, but operational
vacuum station in order to coat astronomical mirrors up to 550mm.
(~20") in diam. The bell will have at least 600mm interior diameter,
and more than 500mm. in heigh. It would be make of 304L inox.

Someone knows where to buy good second hand material here in Europe?

We can be interested in a good diffusion (better if a cheap cryo or
turbomolecular one) pump, a roots pump, valves and gauges. Or better
else, a used station in good conditions.

Thanks in advance.


Saludos,    OSCAR.

#4 From: "Vasco Teixeira <vteixeira2000@...>" <vteixeira2000@...>
Date: Mon Dec 30, 2002 11:19 pm
Subject: Int. Conf. NANOMATERIALS AND NANOTECHNOLOGIES (NN 2003)
vteixeira2000
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NANOMATERIALS AND NANOTECHNOLOGIES (NN 2003
Crete, Greece, August 30 - September 6, 2003

The objective of this Conference is to highlight current and future
multidisciplinary research on nanostructured materials and
development of nanotechnologies with the primary focus on reinforce
of connection between the fundamental science, engineering and
commercialization of nanostructures; between universities,
governmental laboratories, academic institutions, private research
sector and industry. This Conference aims to assess the current
status and to identify future priority directions of fabrication,
research, design and applications of nanocomposites, carbon
nanotubes, self-assembled supramolecules, nanostructured bulk solids,
films and coatings, quantum dots and wires. Particular emphasis will
be placed on developing close interactions among scientists and
engineers from Asia, Europe, and North America and fostering future
transdisciplinary and multi-institutional collaboration in this new
and rapidly growing area.

Conference chair:    I.A.Ovid'ko (Russian Academy of Sciences)

International Organizing Committee:

M.-I. Baraton (University of Limoges, France); G.-M. Chow (National
University of Singapore, Singapore); J.Th.M. De Hosson (University of
Groningen, The Netherlands); G. Kiriakidis (IESL, FORTH, Greece); E.
Lavernia (University of California, Davis, USA); H.S.Nalwa (American
Scientific Publ., USA); C.S. Pande (Naval Research Laboratory, USA);
H.-E. Schaefer (Stuttgart University, Germany); S. Seal (University
of Central Florida, USA); R.D. Shull (National Institute of Standards
and Technology, USA);  G. Skandan (Nanopowder Enterprises Inc., USA);
V. Teixeira (University of Minho, Portugal); T. Tsakalakos (Rutgers
University, USA

email: nn2003@...
submission of NN 2003 abstracts via on-line at the web-site:
http://www.ipme.ru/ipme/conf/NN2003

#3 From: "vteixeira2000 <vteixeira2000@...>" <vteixeira2000@...>
Date: Sun Dec 29, 2002 12:00 am
Subject: emissivity measurent of black surfaces
vteixeira2000
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Hi

Is there any simple equipment to measure solar emmitance of low e
coatings and high solar absorptance in selective surfaces?

Regards

Vasco Teixeira

#2 From: "vteixeira2000 <vteixeira2000@...>" <vteixeira2000@...>
Date: Sat Dec 28, 2002 11:59 pm
Subject: Welcome Message
vteixeira2000
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Dear colleagues and friends

Advanced vacuum surface treatments and design of novel PVD coatings
systems are hot topics of current R&D in several institutes,
universities and industries.

This new FORUM aims to discuss new results,answer technical questions
and share information and industrial experiences in the field on
vaccum technology and advanced coatings systems.

Please post your message, conference announcement, your comment or
your question to experts in the list. (subjects should be related to
the topics of this Group)

Enjoy your Forum and recommend it to a colleague working in this
field!

Regards

  Vasco Teixeira
(Forum Moderator)
vteixeira2000@...

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