Electronics Forum: aramid (Page 1 of 1)

Ceramic BGA components on aramid pcbs

Electronics Forum | Mon Jan 03 11:33:15 EST 2000 | Zaklas, Yosef

Dear Sirs: We use BGA ceramic components in our assemblies. We would like to know if there is a technical problem of SMT assembly and reflow of these components on aramid surfaces. Yours immediate reply would be appreciated.

Re: Ceramic BGA components on aramid pcbs

Electronics Forum | Tue Jan 04 19:55:46 EST 2000 | Rob Thomas

Hello Yosef, non woven aramid reinforced pcb's are used where is a need for low CFT (coefficient of thermal expansion). Traditionally aramid pcb's were used in military applications in order to reduce the stress/failure rate of solder joints during

Ceramic Column Grid Array on non woven aramid reinforced pcbs

Electronics Forum | Fri Jun 25 14:22:40 EDT 2004 | jjh

Will there be any problems with reflow when using CCGAs on nonwoven aramid reinforced pcbs? thanks!

Thermal Profiler Shield

Electronics Forum | Fri Jun 02 03:41:04 EDT 2006 | geb

Found the aramid fabric (Kevlar) on the website you suggested. Which thickness Aramid-and-Fiberglass Sheeting should I get, do I need to buy a strip as well to protect up to 600F? I was going to use PTFE-Coated Fiberglass Thread as it is rated up to

Thermal Profiler Shield

Electronics Forum | Thu Jun 01 10:39:42 EDT 2006 | ratsalad

I got it from McMaster-Carr. http://www.mcmaster.com/ They have just about everything you could ever want, but I don't know about delivery to the UK. I think it cost about $40, or about 30 Euros, or about 20 British pounds. The dollar really isn'


Electronics Forum | Mon Nov 20 06:51:00 EST 2000 | Daniel Carlsson

Does anyone have information regarding: -Moisture level (wt%) that may cause delamination in PCB�s. -Baking time and temperature if using a Vacuum Drying Cabinett and if using an air oven. (What I�m most interested of is Poly-Imid-Aramid.) -Are ther

Re: Bakeing

Electronics Forum | Mon Nov 27 17:39:37 EST 2000 | Dave F

Daniel: In response to your questions: * Moisture level (wt%) that may cause delamination in PCB�s. - Certainly, it depends, but 100% moisture will not cause delamination of a PCB. [Now, heating that water is another question, isn�t it? ;-)] *

Re: high temp gasket

Electronics Forum | Wed May 26 16:36:02 EDT 1999 | John Thorup

| Looking for help in finding suitable high temp gasket for | use in smt assy support application. | | Gasket used to restrain flex on smt module in area prone | to localized heating due to nearby device removal (hot air). | | Current gasket mtl (n

SMT process Blowhole/ Pinhole

Electronics Forum | Sat Mar 29 08:38:28 EST 2003 | davef

Iman When you talk about your profile, can we assume you're measuring it on the pads of LGA? Profile the solder paste reflow by placing a thermal couple under the component pad, similar to a BGA. On a slight tangent, as with soldering BGA, paste


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