Electronics Forum: quality assurance (Page 1 of 9)

How to improve the solder quality of QFN?

Electronics Forum | Fri Jul 08 16:35:04 EDT 2005 | Jason Fullerton

"Whether or not you need a toe fillet depends on your application. We have high reliability products where we can't use a QFN over a certain size, regardless of toe fillet. We have other applications where we meet the thermal cycle requirements for a

U.S. PCB Suppliers 48

Electronics Forum | Thu Mar 15 12:20:36 EDT 2018 | brandon44

Don't worry about this. There are lots of PCB suppliers around the web. Just need a little bit of time. Right now i get this one https://www.wellpcb.com/content/quality-assurance.html All of them are good quality and reliable.

First piece inspection, 0402

Electronics Forum | Tue Jan 08 17:25:17 EST 2002 | davef

Stephano: Since you have not thought through this, it indicates that your discrepancy reporting and resolution process probably requires critical review. Consider highlighting this issue to your quality assurance staff.

Re: Solder Paste Testing

Electronics Forum | Mon Jul 26 11:01:35 EDT 1999 | Kevin Hussey

| Has anyone ever heard of testing solder paste quality by pasting a board and making a determination of the quality by measuring paste height and width after the board is pasted. Would you consider this a valid test for solder paste testing? | I ha

3D xray

Electronics Forum | Wed May 30 18:42:17 EDT 2007 | russ

I have heard this question before. My thoughts are: If it is inline and being used to monitor the assembly line as boards are produced it would be process related either engineering or Quality assurance /control. I do not think it would be process

Conformal Coating

Electronics Forum | Tue Nov 01 09:16:03 EDT 2011 | austinpeterman

Hello, Looking for a solution to silicon conformal coating wicking up into connectors. We build IPC-A-610 class 2. We are using a PVA 650 with Dow Corning 1-2577 conformal coating. We have solder joints that must be coated 1.25mm from the connecto

pcb manufacturing

Electronics Forum | Sat Jun 20 19:12:31 EDT 2015 | se_aaron

Have you heard about Smart Electronics UK. They assure UK quality and extremely quick service. Also they support with components sourcing and stocking for future orders.

BGA Rework Using Laser Selective Reflow

Electronics Forum | Thu Jan 06 21:41:20 EST 2005 | James Khor

You can using Ersa IR550A Rework System. The unit was NOT using any hot air process. IR550A Rework System is worldwide the only system with a genuine closed loop control system. Which employs the current temperature at the component in order to regul

Re: SMT repairs using wire links

Electronics Forum | Mon Oct 05 07:25:47 EDT 1998 | Dave Batten

| At the next meeting of the IPC Repair committee this coming October, we will be reviewing several jumper wire procedures. Included with these procedures are 37 detailed illustrations covering preferred, acceptable and not recommended wire terminat

RoHS again but very interesting

Electronics Forum | Tue Apr 29 11:21:14 EDT 2008 | patrickbruneel

Verizon Supports Telcordia's Position on the RoHS Directive. New legislation known as "RoHS" (Reduction of Hazardous Substances) bans certain chemicals and metals from some electronic manufacturing. In order to maintain high and predictable network

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