Electronics Forum: fine and solder and splash and top and of and boards (Page 1 of 2)

wave soldering and solder bridge

Electronics Forum | Mon Dec 17 15:11:35 EST 2007 | chef

Blew chunks - thanx for thinking outside the box. Of course there's two sides to every story. Just last week I had a new operator "splash" a couple of boards. Top solder was great, it was all one big solder bridge. Come to find out, the operator forg

Bow and twist of PCB's

Electronics Forum | Fri Apr 20 05:32:39 EDT 2001 | dougie

Hi, I've just splashed out �60 on IPC-A-600F trying to find out the formula for measuring the bow and twist of raw PCB's. Much to my dismay there are 10 lines on the subject in the whole standard. Worse still is that it tells me nothing I don't alre

Re: Solderability of BGA and PCB

Electronics Forum | Mon Nov 27 17:47:23 EST 2000 | Dave F

Gyver: Lemme take a wack [if you�ll excuse the expression, given direction of the later discussion] at your questions. Q1. Will the baking of BGA or PCB cause more oxidation before the SMT process? A1. It certainly will not cause less oxidation,

Wave Cassettes and Heat convection

Electronics Forum | Mon Jan 15 11:41:56 EST 2007 | davef

Questions are: * Does the component take solder when you dip it in the solder pot to test the solderability of the leads? * Can you get full barrel fill when wave soldering a bare board? * Is your flux reaching the top of the board through the hole b

Line release of post reflow AOI and AXI

Electronics Forum | Mon Sep 22 17:02:58 EDT 2008 | hegemon

You are on the right track Ismir. Essentially however, as the programmer of the machine, I am the one that creates the PCB with the errors to benchmark the settings for the machine. No secret lab though! :-) Easy enough for most any AOI machine to

Line release of post reflow AOI and AXI

Electronics Forum | Thu Sep 18 15:26:04 EDT 2008 | ismir

Dear Hegemon, I'm very grateful for your help. There is one more thing that I'd like to discuss with you. I'd like to know if there is any "verification board" or something like that to check if you really did a good job. At the company where I wo

Foam fluxer maintenance, storage and cleaning

Electronics Forum | Sun Nov 08 15:27:25 EST 2015 | davef

Thinner: Flux thinner, NOT paint thinner We kept a spare stone in thinner in inventory. We cut PVC pipe to size, cap in one end, screw thread on the other, stone inside, filled with flux thinner and covered with a screw cap. I don't remember who we

Re: WAVE SOLDERING and Gluing 0603 packages

Electronics Forum | Sun Apr 25 12:05:50 EDT 1999 | Chrys Shea

Has anyone had trouble waving and gluing 0603 R's and C's? At my company, our designers have "opened the floodgates" on bottom-side 0603's. We've got an EPK+ with rotary chip and omega wave but can't seem to get skip-free solderin

Re: WAVE SOLDERING and Gluing 0603 packages

Electronics Forum | Mon Apr 26 09:18:27 EDT 1999 | C.K.

Has anyone had trouble waving and gluing 0603 R's and C's? At my company, our designers have "opened the floodgates" on bottom-side 0603's. We've got an EPK+ with rotary chip and omega wave but can't seem to get skip-free so

Re: Fountain Wave Soldering and Repair/Rework Equipment

Electronics Forum | Thu Jan 21 20:22:02 EST 1999 | Earl Moon

Hello, I will be evaluating and qualifying two equipment types. The first is a fountain soldering device. I need practical advice on all the stuff you guys and gals know about as good, bad, ugly, best applications, setup, limitations, an

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