Electronics Forum | Mon Dec 01 12:13:07 EST 2008 | markhoch
Hi Grant, Just a few questions if you don't mind... How large is this large board? What type of packages are on this board? QFPs? BGAs? Is it a double sided assembly? I would almost recommend just purchasing a stencil and taping PCBs down to a bench
Electronics Forum | Thu Jun 14 20:56:02 EDT 2001 | davef
See, now you know how you got the job!!! ;-) Assuming you mean solder mask, that stuff is designed to be tough to remove. It�s an epoxy meant to protect the board features from the ravages of board fabrication and everyday life. Your choices are:
Electronics Forum | Fri Sep 14 19:28:53 EDT 2012 | jlawson
Another oven maker not so famous in USA probably but very strong in EU and high end Asia companies is Rehm Thermal Systems (germany), you should take a look..... They have many years in Reflow same time as Heller been in business, but they use highe
Electronics Forum | Mon May 12 18:45:57 EDT 2008 | locostpp
Hi All, We are embarking on the design of an ultra low-cost pick and place machine for use by small manufacturers & would appreciate some input. Here are some points: Low cost - in the region of $6-11k (higher cost versions faster) Two cameras (up
Electronics Forum | Fri Mar 19 13:26:19 EST 1999 | Scott Cook
| Hi folks, | | I am looking for inputs on a long-standing problem encountered in our shop: Bottom-side parts (passives) falling off in the Wave...where the only remnants of the part is a flattened glue dot of proper diameter and volume, and somet
Electronics Forum | Wed Feb 18 09:27:22 EST 1998 | SMT-ASSY
Good morning Larry, SMT-ASSY offers training for PTH and SMT soldering and rework, moreover we also offer training such as the SMT process (using production equipment such Vitronics oven etc.), Design for manufacturing, Design guidelines and other bl
Electronics Forum | Thu Feb 19 00:31:55 EST 1998 | Larry
The type of training I am looking for is things like micro BGA, flipchip, COB, new processes and techniques, ect. I already work with things like fine pitch QFP's, high mix double reflowed boards every day. I live in Vancouver, but I can drive to Sea
Electronics Forum | Fri Aug 10 13:52:58 EDT 2001 | davef
When you say that glue viscosity changes for lot to lot, is this LOT TO LOT of your product OR Loctite�s product? And when you say that glue viscosity changes, what do you mean [eg, increase by � , decrease by � , er watt?]. What specifically is th
Electronics Forum | Wed Sep 25 20:23:44 EDT 2002 | davef
Federal Specification GGG-P-463c "Granite Surface Plates" defines the three standard grades of tolerance for surface plates as follows: * AA - Laboratory Grade: For high precision operations in consistent temperature gauging rooms and metrology depa
Electronics Forum | Fri Aug 13 09:51:25 EDT 1999 | Dave F
| Ladies and Gentlemen, | | As a newly appointed DFM/CE "guru" here, one of my responsibilities has become repair (of course). As I have some knowledge of BGA repair/rework using semi-automated equipment, it naturally follows I would hav tremendous
