Hello, Can any body help me in understanding the difference between RF Power supply and DC power supply. How there functionalities differ? And what are there...
Dear All I am facing severe shielding problem in RF coating. I am working on cold plasma generattion for mixture of gasse. During the experimentation i get the...
You may have created a problem vs solving the noise issue depending on the way in which you have grounded the mesh shielding. If you would like more info let...
Dear Zafal, ... are ... this due ... aroung ... This is a wide field. I recommend to check the rf shieding using a electomagnetic field radiaton monitor, e. g....
Hi, Did you check if the ground connection inside the matching network is well connected? Please check that. Hope it helps you. Harish. Sathyaharish Jeedigunta...
Depending on the type of system and process you are trying to achieve will dictate wether to use RF or DC power. I have included this small excerpt from one of...
Hello, I do recommend reading Chap 2 Cold Plasma Generation in Alfred Grill's book- COLD PLASMA in MATERIALS FABRICATION published by IEEE Press NYC 1994. See...
Dr.Rudi Avni
avnir@...
Oct 3, 2006 10:41 am
3457
Hello everybody! I want to remove films of CrN from hard metal substrates. If you have any suggestions of chemical reactives for decoating this substrates ...
Does anyone have any experience with growing Ni from an effusion cell? I'm especially worried that our Al2O3 crucible might brake if we go above the melting...
You are in for a difficult time with what you are trying. What might help disolve CrN will in all likelyhood etch the metal below. Cobalt, like some others...
I have used Alumina coated tungsten baskets from http://www.rdmathis.com/compinfo.htm Part# RDM-WBAO-4 to thermally evap. Ni These are more porous then normal...
What kind of the substrate material? You can find the related published paper (eg. in SDOS serach engine) using eletro-chemical method to remove the coating. ...
Dear All, We met a problem of delamination of the Ti/TiN coatings on high carbon stainless steel substrate deposited by cathodic arc. Typically, the ...
Ladies and gentlemen, the 14th New Vacuumtechnological Colloquium on “Coating and Modification of Plastics Surfaces" is taking place in Dresden (Germany)...
Which procedures (cleaning tips, chemical conditioning tips, glow discharge tips) are useful to obtain good adhesion of 100 nm Aluminum evaporated films on...
Dear Yuhang, Try to apply mechanical cleaning of the substrates' surface prior to chemical cleaning. Use 5 to 10 min. Ti ion etcching to remove the native...
The substrate is WC-Co. The objective is remove the coating (CrN) without damage to the substrate, specially the cobalt. If someone knows how to remove this...
Luis You could try contacting Jonathan Housden of Tecvac Ltd in the UK. Tecvac has been involved in a European funded project to produce methods for stripping...
Dear Joan, Try applieing of few minutes glow discharge in Ar+O2 mixture at 0,5 to 1 mbar gas pressure. It will help. Of course, degreassing prrior to loading...
hello!!! I'm new in the coatings world.Recently i have had problems with a coating. I need a blasting media for improving the adhesion on a steel (1.2379), it...
A straight DC glow discharge from a flat plate in the neighborrhood of 1500V does a nice job if you don't mind some yellowing of the underlying substrate. Bill...
<p>For the possible interest of some of the members of the PVD group: </p><p>We will provide a one week course in the "Practical Design and Production of...
Ron Willey
rwilley@...
Oct 22, 2006 6:41 pm
3474
Dear all, Does anyone has references on pulsed magnetron sputtering of transparent SiO2 films? My silicon targets arcing very badly in pure Ar during cleaning...
Luis, you might want to get in touch with Mr. C. S. Thöne and his team from ab solut Chemie Gmbh in Germany. They can remove CrN from WC-Co without damaging...
Peter Pesch
pesch@...
Oct 22, 2006 6:44 pm
3476
Hi everyone, What I need is an omnidirectional high reflectivity coating, similar to the Labsphere coating for their integrating spheres, which has ~97% ...
Dear Friends and Colleagues, I would like to draw your attention to the "International Meeting on Developments in Materials, Processes and Applications of...
Dear Hans, We use RGA for metal vapor detect you say right after about 2 hour scanning we dont see any pick. please hlpe me to clean that's analyzer and rods. ...
Nader Sobhkhiz
sobhkhizy@...
Oct 23, 2006 2:27 pm
3479
Are your sputtering targets doped with boron or phosphorous to make them electrically conductive? Undoped targets are not electrically conductive enough to...