Electronics Forum: mother boards (Page 7 of 7)

Cleaning solvent for no-clean board.

Electronics Forum | Wed Jun 05 14:43:33 EDT 2002 | davef

Steve, As a reason for cleaning no-clean flux res: Well, maybe some of Por's products / customers can live with NC flux res, while others cannot accept it. So, rather than running two fluxes Por finds it simpler to clean the NC flux res. For us,

Silver Sulphide Contamination of Resistors

Electronics Forum | Wed Feb 21 19:55:12 EST 2001 | davef

References on corrosion are: * "ASM Corrosion Handbook No. 13" [0871700077]. * "Electronic Packaging and Corrosion" ME Nicholson [0871702916]. Please explain how you determined that you have silver-sulfide contamination. Where is the silver comin

Re: 45 Degree Wave Soldering

Electronics Forum | Tue Feb 23 14:21:17 EST 1999 | Mike McMonagle

| A rash of new products here at my company have designs with multi-pin connectors 90 out-of-phase (orientation)wiht respect to wave direction, which has lead to massive bridging (shorts) problems.... | | Does anyone still use the 45 Degree Pallet

Re: Water Quality in the Water Wash, IPC Standard

Electronics Forum | Sat Jun 13 07:08:46 EDT 1998 | Dave F

| Is their an IPC standard for the water that is being used in the water wash. I have been looking and at this time have not found any thing. Steve: A lot of the old command and control specification environment has changed with the "industrializati

Solder webbing @ Wavesolder

Electronics Forum | Tue Feb 06 18:19:30 EST 2001 | davef

Now that's surprising that your board fabricator would say the mask was cured properly [without even inspecting the boards]. I wonder if they can backup those BOLD words when testing your boards with the webbing problem. The reason you can�t find t

lets see a show of hands

Electronics Forum | Thu Aug 14 09:35:47 EDT 2003 | patrickbruneel

Hi All, I enjoyed this discussion and applaud the quote from Stephen �following the followers�. I�m President/Technical Advisor in a flux and solder Mfg. Company and have so far resisted marketing lead-free and VOC free products, because at this poi

Re: Dusted By Dross -what a wake-up

Electronics Forum | Thu May 18 21:46:21 EDT 2000 | Dave F

Scott: First, it's neat that you do cartridge monitoring on you staff. We do that once a year. We (and I assume others) are responding to OSHA requirements: Lead CFR 1910.1025 permissible exposure limits for lead, provisions for medical examinati

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