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Messages 5008 - 5037 of 23852   Oldest  |  < Older  |  Newer >  |  Newest
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5008
Hi all.. Want just write that a bunch of very expensive maxim samples did just arrive, from the initial order with "-" in the company field. so it seems they...
Stefan Trethan
stefan_trethan
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Apr 1, 2004
11:02 am
5009
Monthly Reminder, please read: Subject lines: Remember to change the subject line if you are straying from the original thread. Please change the subject line...
Homebrew_PCBs@yahoogr...
Send Email
Apr 1, 2004
1:48 pm
5010
My tin setup is Sulfuric based, Tin stuff and Brightener The Tin is pattern plated at 100 milliamps per sq in (.0001 per 10 mins) I shoot for 0003~0004 " My...
Jeremy Taylor
cdaw01
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Apr 1, 2004
2:14 pm
5011
I just used GerbMerge to order from AdvancedCircuits. It only tested with Eagle produced gerbers. So far no problem, but my order is not done yet, so I'll keep...
ggindele
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Apr 1, 2004
8:08 pm
5012
Hi - This worked fine for me and Advanced Circuits. I modified GerbMerge slightly to allow different spacing up-down and left-right. David...
David P Harris
dpharristelu...
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Apr 1, 2004
10:39 pm
5013
Jeremy, Thanks for the info, I assume your plating solutions (including flash plate) were purchased as proprietary products. so I understand why you wouldn't...
Adam Seychell
adam_seychell
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Apr 2, 2004
12:18 am
5014
My chemistry is for Tin/Lead (it' all about the organics, which I called brightener thinking of Bright tin which my kit was originally purchased as) This is...
Jeremy Taylor
cdaw01
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Apr 2, 2004
2:00 am
5015
... Ok, that clears up the confusion. If you say it contains sulfuric but can also plate tin/lead so then the it must have some other electrolytes for...
Adam Seychell
adam_seychell
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Apr 2, 2004
2:52 am
5016
Actually I was wrong about the tin bath. Its not mixed with sulfuric, It's just water. It was too early for me. . The Bright tin uses sulfuric, and the etch...
Jeremy Taylor
cdaw01
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Apr 2, 2004
3:08 am
5017
... purchased as) ... try it ... quick rub ... Jeremy, If you dip the tin-lead plated panels in straight peroxide (30% or stronger) for 15 or 20 seconds you...
twb8899
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Apr 2, 2004
3:44 am
5018
My last post must been sent just prior to yours. I actually ended up completely closing up some holes with the acid copper. It' definitely a more aggressive...
Jeremy Taylor
cdaw01
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Apr 2, 2004
3:53 am
5019
Thanks for the tip - I'll mix some up tomorrow morning, and err... figure out a place to put the new pre dip . JT http://www.soundclick.com/jtsound <snip>...
Jeremy Taylor
cdaw01
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Apr 2, 2004
3:57 am
5020
... Does that mean the alkaline plate was more capable of completely covering the holes walls with copper than compared to acid copper plating ? Which bath was...
Adam Seychell
adam_seychell
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Apr 2, 2004
4:07 am
5021
Hard to say - and subjective at best. but IMO yes. We can discuss this more tomorrow, I've been trying to take some pics , but man is it difficult to even get...
Jeremy Taylor
cdaw01
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Apr 2, 2004
4:53 am
5022
... May I have that modification? Cristian [Non-text portions of this message have been removed]...
Cristian
cristianluiza
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Apr 2, 2004
5:52 am
5023
... That's been my experience as well, but a second request some time later got me some DIPs :-) -- Cheers, Derryck...
Derryck Croker
radio5live
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Apr 2, 2004
10:01 am
5024
Message for Adam and/or Tom, But open to anyone (Those two just have made it known they've done some higher volume processing) What would you suggest for a...
ballendo
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Apr 2, 2004
3:40 pm
5025
I wonder if anyone can recommend a dremel bit for cutting panelized PCB. What's better, a routing bit or the cutting wheel?...
ggindele
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Apr 2, 2004
6:38 pm
5026
Hello, I'd suggest the routing bit. The best type for pcb material looks like it has elongated diamond shaped facets as cutting edges... Ballendo...
ballendo
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Apr 2, 2004
6:56 pm
5027
... From: "ggindele" <ggindele@...> To: <Homebrew_PCBs@yahoogroups.com> Sent: Friday, April 02, 2004 7:12 PM Subject: [Homebrew_PCBs] Dremel bits for...
Leon Heller
leon_heller
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Apr 2, 2004
7:08 pm
5028
I use a shear. Very clean and fast. It makes a complete mess of phenolic but FR4 is very clean. I dont use phenolic except in emergencies so it doesn't...
Phil
phil1960us
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Apr 2, 2004
8:15 pm
5029
carbide blade in tablesaw --> great. edges like polished, and straight.. or a shear, but the handheld sheetmetal shear bends the board slightly.... ST...
Stefan Trethan
stefan_trethan
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Apr 2, 2004
8:48 pm
5030
... slightly.... Agreed, I use a floor mounted 30" sheet metal sheer. flat bed, straight cut. definitely overkill but I have it for other things as well....
Phil
phil1960us
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Apr 2, 2004
9:26 pm
5031
I've seen this done and was wondering if anyone has some words of wisdom as to how to do it. Basically, I want to attach a ribbon cable directly to a PCB....
Phil
phil1960us
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Apr 2, 2004
11:02 pm
5032
I've done 0603's .5mm pitch TQFP's, various leadless packages and even the tiny 1mmx0.6mm SSSMini2P that Panasonic makes diodes in. Surface mount is not hard...
Paul Davis
squealagig
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Apr 2, 2004
11:25 pm
5033
You could try simple pads along the edge of the board and solder the stripped wires directly to the pads. This will give you the clearance and is easier than...
Mark Higgins
dirtylude
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Apr 3, 2004
12:56 am
5034
Dremel = ++dust I have used a paper shear, but its a bit of a strain. A metal shear is just the ticket. You might be able to use one at a local sheetmetal ...
David P Harris
dpharristelu...
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Apr 3, 2004
1:12 am
5035
Ok, thanks for your response. I thought you might have had made a grand discovery in getting through holes to place reliably over carbon coated holes. As I...
Adam Seychell
adam_seychell
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Apr 3, 2004
1:15 am
5036
I think it really has to do with the balancing chemistries. , or the organics. The Flash I'm using has no cyanide, I was under the impression that the...
Jeremy Taylor
cdaw01
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Apr 3, 2004
2:16 am
5037
Another group (Jewlers) doing toner transfer http://www.ganoksin.com/borisat/nenam/photocopy_transfer_etch.htm Hugh [Non-text portions of this message have...
Hugh Prescott
hughprescott
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Apr 3, 2004
2:27 am
Messages 5008 - 5037 of 23852   Oldest  |  < Older  |  Newer >  |  Newest
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