Electronics Forum: chamber and pcb (Page 5 of 56)

PDBE and PBB replacements???

Electronics Forum | Mon Apr 25 17:07:11 EDT 2005 | rush316

You indicate that PBBs and PBDEs are included in FR4 materials!! Does this include PCB (Printed Circuit Boards)??

Flexi boards and uBGA

Electronics Forum | Thu Jul 06 13:36:37 EDT 2006 | SWAG

We've had much trouble with flex circuits. As previously mentioned, you must have local fids for the board or the BGA itself (if panelized). Other troubles we experience are drilled holes for pinned connectors. Unless the PCB manufactur has some w

BGA and PCB finishing

Electronics Forum | Tue Mar 14 05:02:35 EST 2000 | emmanuel

I am to implement PBGA, and i am looking for PCB surface finish informations. A lot of technical reports are specifing NiAu finishing because of flatness property. Because of leads shape, I though that BGA doesn't need flat pads like QFP. Is it false

BGA and PCB finishing

Electronics Forum | Tue Mar 14 05:02:35 EST 2000 | emmanuel

I am to implement PBGA, and i am looking for PCB surface finish informations. A lot of technical reports are specifing NiAu finishing because of flatness property. Because of leads shape, I though that BGA doesn't need flat pads like QFP. Is it false

Re: SMT and PCB

Electronics Forum | Fri Nov 13 03:58:36 EST 1998 | B.D.

| I want to find information about SMT and PCB: | | Process | Manufacturing | How it work | Lynn, A good place to start to learn about this industry is to click on some of the resources that are on this site! You may want to obtain a book to s

PCB Identification and Tracking

Electronics Forum | Mon May 05 22:24:17 EDT 2003 | jlipton

We are investigating a system, using 2-D matrix code, that will identify and track every PCB throughout our factory, starting from bare board. As a low-medium volume manufacturer, would labels or laser marking be more cost-effective? How difficult is

Component Obsolescence and Availability

Electronics Forum | Sat Mar 19 04:31:37 EDT 2022 | SMTA-69080803

What are the feasible options in mounting an alternative component onto a PCB that has a different footprint? PCB redesign is not a good option because the component is used on several other PCBs. The component is very small (8-lead SOT-23) so fabric

Re: HAST and HALT

Electronics Forum | Sat Oct 24 06:07:09 EDT 1998 | Earl Moon

| Hi, | Am looking out for companies which would perform the "highly accelerated stress testing" for my PCB test assembly samples. does anybody have any info regarding this. | thanks, | subhash | Most independent PCB test labs, often doing military

Re: HAST and HALT

Electronics Forum | Mon Oct 26 14:56:07 EST 1998 | carl m

| | Hi, | | Am looking out for companies which would perform the "highly accelerated stress testing" for my PCB test assembly samples. does anybody have any info regarding this. | | thanks, | | subhash | | | Most independent PCB test labs, often do

Dye and Pry

Electronics Forum | Wed Mar 12 07:33:40 EDT 2008 | callckq

Hi All, One PCBA failed test after went through the Shock Test(Vibration) and suspected to be BGA solder ball crack. We performed dye and pry and found PCB's pad lifted with red mark ink penetrate pad underneath, what does this mean? Can I say the


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