Electronics Forum | Mon Dec 31 11:19:32 EST 2018 | robertbronx
We have in our Co. an used My Data SMT (Version 2.5.4d) machine but we have a problem. After creating the file we import with a flash drive.We load and set the two fiducials and after everything is done we try to EXPORT the PCB file instead of being
Electronics Forum | Mon Nov 09 09:44:22 EST 2015 | davef
Purpose. This describes setting-up a wave soldering system set-up for a new assembly design or checking a wave solder machine operation with a test board. Applicability. To be used for new design printed circuit assembles and during machine accept
Electronics Forum | Mon Jun 26 23:33:20 EDT 2006 | KEN
We saw this condition over 3 years ago. It sometimes is called "champagne bubbles". The intemetalic formation is interrupted due to the micro voiding reducing mechanical strength. I discovered this on lead free test vehicles for a major computer
Electronics Forum | Tue Aug 11 12:28:51 EDT 2009 | JWPlainview
What are some overlapping characteristics between ITAR and AS9100 for PCB fabrication?
Electronics Forum | Thu Sep 20 07:18:42 EDT 2018 | proceng1
Has anyone else been experiencing this lately? We have had a rash of boards that come in properly vacuum sealed. We store them in the hot room until we are ready to build, and we get bubbles under the solder mask. We've had 4 different jobs, all di
Electronics Forum | Thu Sep 05 23:18:03 EDT 2013 | feiyangniao
There is a new toy I received today: a NeoDen TM-240A automatic desktop pick and place machine! I’ve kept my eyes on this baby for a quite a while, and finally decided to make a purchase last week. The shipping was very fast: DHL from China, a total
Electronics Forum | Tue Jun 25 01:24:25 EDT 2019 | sssamw
That is possibley CTE mismatch between QFN and PCB material, the thicker PCB the higher fail rate.
Electronics Forum | Thu Nov 12 23:09:30 EST 1998 | Lynn Lai
I want to find information about SMT and PCB: Process Manufacturing How it work
Electronics Forum | Fri May 17 05:12:51 EDT 2013 | ultimatejoker
What is the disadvantage of palladium plating instead of gold plating? I saw many advantage of palladium plating in term of hardness, wear resistance, and price but why most of the PCB Industries still use gold in PCB pad? Thank you
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?
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