Electronics Forum | Tue Aug 20 21:46:09 EDT 2002 | davef
Rinse => OSP Coat => Rinse => Dry Hot Air Solder Level: Preclean => Rinse => Flux Coat => Solder Coat => Hot Air Level => Cool => Soft Brush => Post Clean Rinse => Dry Look here http://www.epa.gov/opptintr/dfe/pubs/pwb/ctsasurf/download/pdf/ch2.pdf
Electronics Forum | Tue Oct 08 09:17:13 EDT 2002 | davef
Who knows? Whats does Siemens say? Try: * Embedded Systems Journal http://www.embedded.com/ * RTC http://www.rtcmagazine.com * SEI Web forums at Carnegie Mellon University Software Engineering Institute http://www.sei.cmu.edu/sei-home.html * IEE
Electronics Forum | Mon Aug 28 20:45:41 EDT 2006 | darby
Dave, I have never even seen black pad - even in my subby days. As my wife says whenever I find a good parking spot: "Lucky Darby and his beautiful wife!" This is particularly so if we go to Watto�s - www.sydneypubguide.net/pubs/Watsons_Bay_Hotel_(D
Electronics Forum | Thu Aug 21 08:33:09 EDT 2008 | davef
There is no standard as such. It's easy to see why. It's too complicated and has such a small payoff. Standoff is comprised of: * Package height * Solder thickness between the pad and the component lead * Delta of pad thickness and solder mask For p
Electronics Forum | Wed Jul 08 11:51:32 EDT 2009 | davef
We know nothing about your product, it's end-use environment, possible compatibility with other materials, and on-and-on. These may help * http://www.pprc.org/pubs/techreviews/noclean/notech.html * http://www.smtinfo.net/Db/_No-Clean%20Technology.h
Electronics Forum | Wed Jun 10 18:44:58 EDT 1998 | Earl Moon
| Okay, here's a stupid question. What exactly is HASL and OSP? We are going to delve into this technology where I work and I want to utilize the wealth of knowledge here to make life easier. Specifically, what are the differences, the advantages, di
Electronics Forum | Wed Jun 10 16:54:46 EDT 1998 | Steve Schrader
| Okay, here's a stupid question. What exactly is HASL and OSP? We are going to delve into this technology where I work and I want to utilize the wealth of knowledge here to make life easier. Specifically, what are the differences, the advantages, di
Electronics Forum | Wed Jun 10 18:28:57 EDT 1998 | Al
| Okay, here's a stupid question. What exactly is HASL and OSP? We are going to delve into this technology where I work and I want to utilize the wealth of knowledge here to make life easier. Specifically, what are the differences, the advantages, di
Electronics Forum | Mon Oct 29 18:21:43 EST 2001 | slthomas
We recently have received a lot of warped (bowed and/or twisted behond IPC 600 specs.) bare boards (some our fabricator's fault, some ours by design) and I can't help but figure that long term reliability will suffer when building product with them.
Electronics Forum | Wed Jun 10 17:18:47 EDT 1998 | Igmar Grewar
| Okay, here's a stupid question. What exactly is HASL and OSP? We are going to delve into this technology where I work and I want to utilize the wealth of knowledge here to make life easier. Specifically, what are the differences, the advantages, di
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