Electronics Forum: eat and 9

The truth about lead-free and environment

Electronics Forum | Fri Mar 24 13:05:08 EST 2006 | samir

Patrick, I learned at a Lead-Free seminar, where the seminar lecturer was a proponent of Bismuth in soldering, that Bismuth is actually "safe to eat" and is one of the few non-toxic metals around.

Process control, SMT inspection and rework

Electronics Forum | Tue Apr 09 16:25:28 EDT 2002 | clarkk

Alan, You're right, mass inspection after assembly won't work. The inspectors will miss 25% (or more) of the defects, and the boards will be reworked before SMT operators can properly define defects and their sources. The company I work for tends to

Process control, SMT inspection and rework

Electronics Forum | Mon Apr 15 21:55:46 EDT 2002 | ianchan

Hi Clark, Out of curiousity and in the name of learning new stuff, can you share with us how does your team, calculate the cost of inspection? Is inspection an additional chargable item in the quotation sheet? To quote your posting : "Just a side n

Contamination/process issues of SMT and wave soldered pcb's

Electronics Forum | Wed Jul 09 19:05:06 EDT 2003 | randywomack

LOZ. Under-cured or out-of-spec(sloppily) applied resist is realistic. What other physics: Shiny resist surface is more prone to balls then matte finish. How about an operator eating fish & chips before handling the boards. Don't laugh... ... saw th

SMT line expansion - new oven and selective solder

Electronics Forum | Mon Feb 24 17:06:36 EST 2020 | emeto

It looks like one oven is 10years newer than the other, so if we assume same maintenance routine you should get another 10 years if life on it. On the TH side, you know your board complexity - for me wave have much more value than a Selective. Selec

SMT line expansion - new oven and selective solder

Electronics Forum | Mon Feb 24 17:10:53 EST 2020 | kylehunter

> It looks like one oven is 10years newer than the > other, so if we assume same maintenance routine > you should get another 10 years if life on it. On > the TH side, you know your board complexity - for > me wave have much more

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