Electronics Forum | Tue Jan 12 17:51:41 EST 1999 | Tom Gervascio
I've been using selective soldering process for about 18 months. The major problem concerns tight spacing- the distance between the SMT pads to be masked and the thru hole leads to be wave soldered should be no less than 0.150 inches. Keep the wall
Electronics Forum | Sat Mar 21 12:10:03 EST 1998 | Philip C. Kazmierowicz
| Cpk's on top flight ovens (e.g., Conceptronics, Heller, Electrovert, Vitronics) vary wildly, from 1 to 2+, between different supplers. The suppliers don't seem to understand Cpk's. A supplier's rep whose oven has a Cpk of 1.0 told me: | 1. Cpk's
Electronics Forum | Sat Mar 21 16:33:09 EST 1998 | Earl Moon
| | | Cpk's on top flight ovens (e.g., Conceptronics, Heller, Electrovert, Vitronics) vary wildly, from 1 to 2+, between different supplers. The suppliers don't seem to understand Cpk's. A supplier's rep whose oven has a Cpk of 1.0 told me: | | 1.
Electronics Forum | Thu Feb 12 17:21:07 EST 1998 | Justin Medernach
| I would appreciate any information concerning the wash and bake of blank Printed Circuit Boards | before assembly. | + Is it necessary to wash and bake PCB�s before assembly? | + If any, what is the reason for wash and bake of PCB�s? | + If any, wh
Electronics Forum | Tue Aug 07 20:43:47 EDT 2001 | davef
First, we know that MIL types are wont to use charts like that. Give �em Weibull distribution tables and then they�ll be happy, happy. A good book is Nelson �Accelerated Testing: Statistical Models �� Wiley Second, we don�t use that very nice stu
Electronics Forum | Fri Nov 23 05:52:45 EST 2001 | Wolfgang Busko
What Claude is saying may be right. But looking at it a bit different from the view of "senior management" this should be interpreted as depending on the salary the work itself is different and therefore the responsibility is different. It doesn�t na
Electronics Forum | Wed Jan 09 20:40:58 EST 2002 | ianchan
Since we are on the topic, What we do over here, is to get SMT Technical to machine pick&place "sample component layouts" onto double-sided tape, which in turn is placed onto an actual PCB... QA will take that double-sided tape sample, and using an
Electronics Forum | Tue Apr 09 15:23:05 EDT 2002 | Alan W.
I have recently signed onto a company with very little board assembly experience. I am trying to develop a process control and continuous process improvement program for a new surface mount line, but have run into several people who are not really i
Electronics Forum | Tue Apr 09 15:24:10 EDT 2002 | Alan W.
I have recently signed onto a company with very little board assembly experience. I am trying to develop a process control and continuous process improvement program for a new surface mount line, but have run into several people who are not really i
Electronics Forum | Tue Apr 09 15:24:29 EDT 2002 | Alan W.
I have recently signed onto a company with very little board assembly experience. I am trying to develop a process control and continuous process improvement program for a new surface mount line, but have run into several people who are not really i
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