Electronics Forum | Mon Apr 16 18:49:40 EDT 2012 | tris101
Hi guys, I'm looking for some tooling parts and I hope you can point me in the right direction. We design basic in house reflow Carriers to surport boards during reflow. I would like to add clamps to our designs but I can not locate any off the she
Electronics Forum | Tue May 22 10:33:36 EDT 2012 | swag
In my opinion, the best solution is h-towers or similar dedicated tooling designed for each build. However, a quick cheap fix is to make templates to lay in the bottom of the centernest. If you have access to CAD software, you can print out the ger
Electronics Forum | Mon Aug 06 14:44:07 EDT 2012 | joefosho
Hey guys, I'm new to this forum and registered to ask a question about PCB assembly cost. I was hoping to design a PCB that will be approximately 6" by 6" with about 1100 0805 SMD components on it. Half of them being resistors (3 different values) a
Electronics Forum | Tue Jan 08 09:23:18 EST 2013 | lock_2002
This is a question regarding soldermask between pins of fine pitch devices. The majority of our production designs end up with at least 2-3 mils of copper thickness on the external layers due to blind vias, wrap plating requirements, etc. Our curre
Electronics Forum | Tue Apr 30 05:05:16 EDT 2013 | pavel_murtishev
Colleagues, Now I am involved into plant ramp-up where 3x Panaconic NPM-W will be installed. New production hall is being designed right now and the problem is that constructors have never met SMT shops and know very few or next to nothing about requ
Electronics Forum | Mon Sep 09 16:29:56 EDT 2013 | gregp
Hi Everyone, I'm looking for some feedback about through hole assembly requirements today vs. yesteryear. As I see it, there are two main categories...legacy through hole and new through hole with mixed technology. The legacy stuff is older designs
Electronics Forum | Sun Nov 10 16:07:31 EST 2013 | davef
First, require use of the IPC-7351B Standard as the sole basis for laying-out pads on circuit boards. Second, if someone wants to use a pad design that either: * Wasn't covered in IPC-7351B ... OR * Was for a component that was in the standard but
Electronics Forum | Thu Feb 13 19:08:31 EST 2014 | darby
Have to agree with Sr Tech and Spoilt - you'd have to really mistreat your paste these days for it to be the root cause. However, try another paste to eliminate that; making sure you abide by the suppliers specs. Pad design, stencil design,(includin
Electronics Forum | Sun Jun 29 02:50:37 EDT 2014 | alexeis
Hi, The issue is very complex and difficult to arbitrarily divide the types of components. From research we perform today together with our customers to design a work-at-SMT accurate as much as possible, I can summarize that vast time differences de
Electronics Forum | Wed Jul 30 00:47:10 EDT 2014 | matusov
Hello gurus, I am a hardware designer with a small company. We are about to send a new PCB for fabrication. This board uses dozens of tiny QFN, DFN, and similar packages. As a final check I have been going through the datasheets of all these parts t
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