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Re: BGA repair/rework

Electronics Forum | Sun Mar 07 08:19:24 EST 1999 | Earl Moon

| | | | | | | | I'm having a fun time between BGA rework/repair using an SRT 1000 and SPC efforts (much easier) using DEK stencil printing processes and BTU reflow with 6 Fuji lines in between. | | | | | | | | Concerning the BGA stuff, I'm getting

baking boards, revisited

Electronics Forum | Fri Oct 04 11:34:42 EDT 2002 | Bob Willis

Some additional comments from a paper may be of interest. Baking Printed Circuit Boards - Why and How Baking printed boards prior to conventional and surface mount assembly should not be necessary. Often boards are baked for historical reasons; in

Lead free in hirel

Electronics Forum | Mon Jan 25 13:42:35 EST 2010 | patrickbruneel

This is a post from another forum as a response from Bob Landman to a claim that he had no evidence to be concerned about lead-free in hirel applications (interesting read). See below and am sure many technetters will find this interesting **********

Optimal Speed for Universal Chip Shooters

Electronics Forum | Wed Jun 11 16:30:33 EDT 2003 | T.Vick

You have received some great feedback so far. I would like to summarize and add a few points regarding maintenance. You should start (as recommended already) by verifying your component library data. Using the default values from the master library i

Re: When using noclean flux or clean flux process?

Electronics Forum | Wed Sep 22 02:45:23 EDT 1999 | Brian

| | Dear All, | | | | In order to understand the soldering technologies in SMT, I'd like to understand why some cards are soldered and then cleaned, or only soldered whitout water cleaning nor "ultra sound" wavelength. | | | | I mean that I wonder

Re: Process Change

Electronics Forum | Thu Jun 03 14:40:22 EDT 1999 | JohnW

| | | | In a month or so, we will be getting an in-line x-ray inspection machine. It will require that we solder our most comlicated side (normally top) first. This is opposite to our process now where we solder our passive (bottom) side first. W

Re: Process Change

Electronics Forum | Thu Jun 03 14:41:06 EDT 1999 | JohnW

| | | | In a month or so, we will be getting an in-line x-ray inspection machine. It will require that we solder our most comlicated side (normally top) first. This is opposite to our process now where we solder our passive (bottom) side first. W

Re: Solder Paste Dispenser

Electronics Forum | Fri Feb 19 16:45:55 EST 1999 | Steve Gregory

Hello Ryan! There's a company called Camalot that sells dispensers that in my opinion, make one of the better dispensers on the market. They use what's called a rotary-positive displacement pump when dispensing... much more precise and accurate

Re: white residue

Electronics Forum | Wed Feb 10 12:52:21 EST 1999 | Dick Casagrande

|I'm getting in a little late on this but my 2 cents is: We have been using no-clean flux for a few years now but up till last month were still cleaning (the white residue) our boards (all thru hole). Finally did some investigation and found the flux

Re: Fountain Wave Soldering and Repair/Rework Equipment

Electronics Forum | Fri Jan 22 15:48:14 EST 1999 | Chrys

| 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, and all


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