Electronics Forum: aluminum pcb warp (Page 1 of 32)

aluminum pcb

Electronics Forum | Fri Nov 07 18:26:05 EST 2003 | jsloot

Is anyone using .062 aluminum circuit boards with copper conductors in your production lines? What kind of reflow profile is required? What special considerations are there to be looking for? I am asking for any information you can give me. Thanks

aluminum pcb

Electronics Forum | Wed Nov 12 20:03:49 EST 2003 | davef

We used to do this kind of stuff in vapor, but do none now [although the imagination doesn�t have to turn too much to envision doing it again]. Start here: * http://www.bergquistcompany.com * http://www.gouldelectronics.com

warp and twist

Electronics Forum | Mon Feb 13 23:05:02 EST 2017 | swestheimer

I have been asked a very good question but have not been able to find a good answer. IPC for both PCB and PCBA refer to the X & Y dimensions to measure warp and twist but how would you determine the warp and twist for a round PCB or PCBA?

Reflowing large aluminum electro. caps

Electronics Forum | Thu Mar 03 09:11:25 EST 2005 | russ

I wouldn't raise the temps just slow the conveyor, You need to get the PCB "soaked in". It seems as if you are applying more thermal energy than the PCB can accept in all areas. Does this oven have convection heating? Hopefully so. I have found t

Plating for aluminum wire bonding

Electronics Forum | Sat Mar 15 20:24:13 EST 2003 | ramanandkini

Thanks Mr.Dave. Sorry for the delay. One of our major prolems in ENIG plated surface is that wire does not stick. For many years we were getting a bond strength of 14 grams in both ENIG and electroplated surfaces. Now one vendor supplies ENIG boards

metal core/clad pcb

Electronics Forum | Wed Aug 11 18:35:17 EDT 2010 | julie1

Anyone work with or have knowledge about metal core/clad boards? The board I'm working with is approximately 2" X 3/4" aluminum core pcb, in a 56 up array. There are 3 LED placements per board. I'm having trouble getting a consistent screen print.

DoE on post-reflow PCB - warp

Electronics Forum | Tue Jun 25 01:01:15 EDT 2002 | ianchan

Hi mates, has anyone ever done a DoE on the degree of warp PCB, after a SMT Reflow process? what were the findings and conclusion based on such a DoE? which were the critical (DoE) factors that influence the degree of warp PCB? any optimal reflow se

DoE on post-reflow PCB - warp

Electronics Forum | Wed Jun 26 21:05:15 EDT 2002 | ianchan

Hi Dave F, customer calls it "warp", we can call it "twist/bow"..etc. the "warp" occurs on individual PCB cells of 28per each panel. the overall dimension of the panel is 139mm x 168mm, and each individual PCB cell is 2.4mm x 1.2mm. Thickness is 0.

DoE on post-reflow PCB - warp

Electronics Forum | Mon Jul 01 02:42:32 EDT 2002 | ianchan

Daan: thanks for the tip.

DoE on post-reflow PCB - warp

Electronics Forum | Mon Jul 01 13:08:21 EDT 2002 | peterson

What is Tg?

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