Electronics Forum | Tue Nov 03 00:49:10 EST 2009 | dcell_1t
Davef, you really make me laugh!!! pretty funny sarcastic way to represent the typical supplier response... If we could have a "The things (Top 10) that you will hear about your PCB supplier"
Electronics Forum | Fri Sep 02 14:15:44 EDT 2005 | Mika
Check the dimensions of the components in question with a caliper and put the correct numbers in Your part data. Check that the correct nozzle is being used. Also make sure that you have the right pcb height in Your program. This is somewhat criti
Electronics Forum | Thu Jul 12 20:20:31 EDT 2007 | seankim10
I�m having problem with PCB with 16mil thickness due to warpage. the board convex up in the middle after 1st reflow. It seams the warpage is caused by CTE mismatch between PCB and multiple TSOP's, which are covering ~80% of the bottom side board area
Electronics Forum | Fri Jul 13 08:54:18 EDT 2007 | rgduval
Has your board house reviewed the PCB layer stack? Make sure that the layers are balanced in copper weight, etc? Have you tried pre-baking the boards? We just had an issue with some boards warping that have never warped before for us. It happened
Electronics Forum | Sat Jun 12 00:34:00 EDT 2004 | kanwal324
Hi ! The main problem being faced currently is formation of solder balls - to be precise, these are micro solder beads generally found attached with bodies of SOTs, Chip Caps, Chip Resistors, between pins of SOICs (50 mil) - lying on PCB surface,
Electronics Forum | Mon May 14 09:43:37 EDT 2001 | orbotech
As the face of business changes through revolutionary factors, such as the increasing rate of outsourcing, manufacturers (especially EMS plants) will strive to fine tune their test strategies to ultimately improve and sustain product quality and to r
Electronics Forum | Tue Jul 22 20:38:28 EDT 2003 | Paul T.
Have the PCB fabricator use a conductive paste to fill the vias and then finish by plateing over the via. Make sure it's coplanar to the side they're on, usually secondary side for discretes. PT
Electronics Forum | Tue Oct 27 16:22:00 EDT 2009 | davef
It's not the first thing we think of in looking at your picture. First off, the lack of copper in the region of the red oval makes us think of a plating defect. We don't expect that moisture out-gassing through the barrel wall to show-up on opposite
Electronics Forum | Tue Jan 04 08:51:33 EST 2000 | g cronin
Comming into this new year I want to make sure I'm not overlooking anything in my process. I run a small contracting company, approx 20-25K PCB's per month. I am a firm beliver in finding people who know more than I do. So I am looking for anyone i
Electronics Forum | Thu Apr 27 08:42:22 EDT 2017 | pvasquez
Hello M. We are a low volume high mix manufacturer with a total of 7 Mirtec AOI machines including a new MV-6 OMNI 3D system. I am very pleased with this machine! When we did our 3D AOI research, my team narrowed the field down to 2 vendors, Mirt
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