Electronics Forum | Wed Sep 19 15:54:31 EDT 2007 | samir
Hussman, I'm curious about the same thing. No offense to some of the people here, but this forum's getting frustrating in terms of the lack of expertise. Too many rookies from foreign countries new to SMT, some of them asking really dumb question
Electronics Forum | Sat Nov 24 15:44:28 EST 2007 | mika
Hi DaveF, I had a short look into the Nr1. IMPACT OF MICROVIA-IN-PAD DESIGN ON VOID FORMATION Most interesting reading, but one thing though, I could not find any information about the oven profile. Just a picture of it. My question is of about the
Electronics Forum | Tue Dec 18 10:41:48 EST 2007 | shrek
Aviation.Ha-HA-HA-HA. yes indeed who cares?! i got a bit of a belly ache now from laughing at the Fat Bastard's posting on aviation. a subject totally and utterly unrelated to the subject at hand. I agree wholeheartedly with ya, Paul M. me chap. we
Electronics Forum | Thu Apr 02 19:54:31 EDT 2009 | davef
CK The term that you're searching for is: "Singulation" the process of die punching circuit boards with a hydraullic press. [Although the very nice people that sell "saw depanelers" call their equipment singulators. We assume they do that because e
Electronics Forum | Tue Dec 13 15:18:32 EST 2011 | ck_the_flip
DaveF, That's correct. This assembly is plain old tin-lead, but our buyer purchases the bare PCB with lead-free HASL plating. My main concern was the regular tin-lead not coalescing with the PCB plating and having a weak intermetallic. I'm not fr
Electronics Forum | Thu Sep 03 21:51:16 EDT 1998 | Dave F
| | | | | | | We�ve been thinking again and need your help in sorting through an issue related to deionized (DI) water cleaning of assembled boards. | | | | | | | THE BACKGROUND: The water reclaiming systems goes: gross filter, fine filter, carbon
Electronics Forum | Mon Jul 23 01:00:40 EDT 2001 | mugen
Dave. F. Hmmmzzz.... Thats interesting, coz as a contract manufacturer, we try to optimize processes asmuchaspossible.... simple...yeah! that's the word "Simplify".... We found that if you layout a production line, assume x10 operators, and one si
Electronics Forum | Tue Jun 08 14:16:49 EDT 1999 | Dave F
| | Hi,my master | | How to iron out such soldering bridge with below conditions: | | 1.The component(Harness)lead pitch is 2.0mm,the lead length is 3.2mm. | | 2.PCB width is 1.6mm.Pad size is 1.65mm.Its a single copper PCB | | 3.using spraying fl
Electronics Forum | Mon Jun 07 13:51:48 EDT 1999 | Dave F
| | We are changing from through-hole to SMT, wondering what pitch requirements would an 8 pin SOAC require for pick and place? We think that this would be our finest pitch part. | | | | | | | John: Never heard of an "SOAC." SO packages are 50
Electronics Forum | Mon Jun 07 20:12:42 EDT 1999 | John Martell
Thanks for the advice, I'll check out that site. | | | We are changing from through-hole to SMT, wondering what pitch requirements would an 8 pin SOAC require for pick and place? We think that this would be our finest pitch part. | | | | | | | |
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