Electronics Forum | Tue Mar 18 11:53:58 EDT 2014 | sara_pcb
Our contract manufacturing agency have procured pcbs from approved vendor. After assembly we found solder mask separated from the PCB on the epoxy area as patches. The top side is intact. also over the pcb tracks, the mask got damaged. In what c
Electronics Forum | Mon Oct 29 05:14:18 EDT 2018 | vipcircuit
This is Joe from Shenzhen Vip Circuit Co,. Ltd.-- a leading PCB and PCBA manufacturer in China. Why choose Vipcircuit ? 1. PCB fabrication with 100% ET and AOI testing,certified by ISO, UL; 2. Special material like Rogers,Arlon,Taconic,Aluminum base;
Electronics Forum | Wed Jul 05 05:07:51 EDT 2017 | heros_electronics
Hi Claire, Is it a 4G smart phone? Generally, 4G pcb board is HDI pcb with laser drilling and small line width and space, and not all PCB suppliers can manufacture because HDI PCB has special requirements for equiment, and small factory can not
Electronics Forum | Tue Oct 28 12:10:12 EST 2003 | amacphie
Hi, I'm looking to develop some industry specific examples of the application of Six Sigma for my MBA dissertation. I used to work in semiconductors so I have plenty of examples to include from that are but would like to include examples from assemb
Electronics Forum | Thu Feb 24 14:42:56 EST 2000 | Ashok Dhawan
We are looking for a source which can accept our packing material ( PVC tubings, Chip Trays, reels and spools , PCB waste rails from depanalization). Anybody, who is currently using a recycling manufacturer for these packing wastes. Our intent is:
Electronics Forum | Thu Feb 24 14:42:56 EST 2000 | Ashok Dhawan
We are looking for a source which can accept our packing material ( PVC tubings, Chip Trays, reels and spools , PCB waste rails from depanalization). Anybody, who is currently using a recycling manufacturer for these packing wastes. Our intent is:
Electronics Forum | Tue Oct 16 10:06:46 EDT 2012 | jackofallmasterofnone
Hello all, First off let me start by introducing myself. My name is Dan and I work for a contract manufacturer. During a job search I had heard from a previous co-worker that there was a packing job available at the facility where he now worked. I
Electronics Forum | Thu Oct 18 11:59:38 EDT 2012 | jackofallmasterofnone
1) At this time we do not have a design engineer. I have contacted the PCB manufacturer about changing the drill file to close up the diameter on the holes a bit. This should allow the wings on the leads of the component to rest on top of the holes i
Electronics Forum | Wed Aug 19 05:00:56 EDT 1998 | Tom Blum
Hi there, I'm actually facing a lot of trouble with PCB's presenting up to 3mm of bow /twist at reception i.e. before assembly. The PCB size is 220 by 230mm. The boards are to be assembeled SMD double sides with 05.mm pitch on both sides. In order to
Electronics Forum | Thu May 07 20:28:35 EDT 2009 | davef
From our notes, the following is a series of snips from: "Copper Dissolution in Tin" LJ Turbini, PhD, adjunct faculty member, University of Toronto, Materials Science and Engineering, SMT 2/07 As the solder becomes molten, copper from the board diff
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