Electronics Forum | Mon May 20 15:43:01 EDT 2013 | ngotranbestek
Hi I meet problem by PCB with diameter 300cm and thick 6mm i used tin-lead with profile normal, soak time 60-90 sec, Temp peak is 220 degree C, But solder see not good, not shiny. Any body recomend help me to fix this problem for Hard gold playing.
Electronics Forum | Mon Feb 05 20:43:27 EST 2001 | davef
1 Solder on gold fingers comes from: 1a About 70 % of the time it's caused by poor cleaning of screen printer, staging area (table), conveyor, reflow oven chain or belt, and keeping boards separate from cleaning process 1b After loading paste onto
Electronics Forum | Wed Sep 02 15:02:36 EDT 2020 | SMTA-64387501
We have recently received some pre-tinned "flat lead packages" and the question I have relates to the definition of solder touching the component body of the part. Typically when I have gold lead parts tinned there is a gold gap between the tinned po
Electronics Forum | Thu Sep 03 22:03:32 EDT 2020 | SMTA-64386139
Both conditions are acceptable for this bottom brazed flat pack package. The solder coverage must be within 0.070 inch of the lead/package interface per MIL-PRF-38535, paragraph A3.5.6.3.4.a. While that requirement could allow for a gold gap near t
Electronics Forum | Mon May 12 12:58:07 EDT 2014 | emeto
Hello all, I have a diode(gold plated)on some assemblies that gives me a a hard time. The paste is wetting too good and climbs the lead of the component and touches the body which is a defect. I just wonder what if there is a way to heat the board e
Electronics Forum | Mon Mar 20 09:24:38 EST 2000 | John Sipper
1. Spec references for max allowable untinned gold near glass seal and case body? 2. Low cost mechanical dip system to facilitate tinning of DIP parts. (Low volume; currently using hand solder iron techniques to allow for max coverage without bridg
Electronics Forum | Tue May 19 10:23:06 EDT 1998 | Mike C
| Howdy Richard, | Welcome to the club! I now dub thee a full fledged member of the "Spotty Gold Finger and Bleeding Ulcer Society"...or SGFBUS for short... (GRIN) | I know it's not funny to be in that position, but there's so many different places t
Electronics Forum | Mon May 18 22:15:20 EDT 1998 | Steve Gregory
Howdy Richard, Welcome to the club! I now dub thee a full fledged member of the "Spotty Gold Finger and Bleeding Ulcer Society"...or SGFBUS for short... (GRIN) I know it's not funny to be in that position, but there's so many different places to pick
Electronics Forum | Thu Aug 05 18:21:16 EDT 2004 | davef
Well, it could be the beautiful Jill Masterson, as Goldfinger's trusted card advisor Shirley Eaton, who gave new meaning to the phrase "golden girl." Or more mundanely, gold thickness usually ends-up: * Gold fingers (10 to 100 micro-inches) * Selec
Electronics Forum | Thu Aug 05 16:19:21 EDT 2004 | Kris
All Can someone explain what full body gold is ? Any reference material to read from ? Thx
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