Electronics Forum: after (Page 641 of 656)

Re: Fuji Feeder Alignment Tools

Electronics Forum | Tue Sep 07 14:24:20 EDT 1999 | johng

We are using some Fuji machines and have trouble picking parts up from damaged or mis-adjusted feeders. When I was working with Panasonic machines I was able to buy a feeder alignment jig from them to align the pick spot in the feeder, but Fuji d

Re: Fuji Feeder Alignment Tools

Electronics Forum | Wed Sep 08 16:56:06 EDT 1999 | Md Cox

We are using some Fuji machines and have trouble picking parts up from damaged or mis-adjusted feeders. When I was working with Panasonic machines I was able to buy a feeder alignment jig from them to align the pick spot in the feeder, but Fuji

Re: Air-Vac stuff

Electronics Forum | Fri Aug 20 14:19:47 EDT 1999 | Earl Moon

I'm trying a second time to post this very important message, to me, concerning Air-Vac's following creation. Does any own and use this stuff successfully to remove solder from 20 layer and up MLB's with .020" diameter holes? Also, is any of the

Re: Micropax Connector Repair (Through Hole Version)

Electronics Forum | Fri Aug 13 08:14:38 EDT 1999 | Peter Barton

Ladies and Gentlemen, As a newly appointed DFM/CE "guru" here, one of my responsibilities has become repair (of course). As I have some knowledge of BGA repair/rework using semi-automated equipment, it naturally follows I would hav tremendous

Re: Micropax Connector Repair (Through Hole Version)

Electronics Forum | Fri Aug 13 09:51:25 EDT 1999 | Dave F

Ladies and Gentlemen, As a newly appointed DFM/CE "guru" here, one of my responsibilities has become repair (of course). As I have some knowledge of BGA repair/rework using semi-automated equipment, it naturally follows I would hav tremendous

Re: Reflow profilers? worth it? - You BET!

Electronics Forum | Thu Aug 12 17:17:47 EDT 1999 | Brian Wycoff

Does anyone use reflow profilers? Are they a good investement or is trial and error sufficient? Does anyone have any suggestions on profiles to try? Thanks. Danielm I would hazard a guess that most if not all of us

Re: solder mask

Electronics Forum | Wed Aug 11 09:51:11 EDT 1999 | Brian

Easy goods-in polymerisation check: clean, white, cotton cloth: wrap it round a suitably gloved finger and pour a few drops of methylene chloride (! toxic) onto the end of the finger and rub it onto the bare board for a minute or so. If it come

Re: Suspected Pink Ring

Electronics Forum | Fri Jul 30 10:30:23 EDT 1999 | Wolfgang Busko

While inspecting incoming PCBs we detected around all plated-through-holes (only there and all in the same place) some halfmoonshaped light rings that match obviously only with the pink ring symptom shown in the IPC-A-600 chapter 2.5.2.. That w

Re: Suspected Pink Ring

Electronics Forum | Fri Jul 30 16:06:22 EDT 1999 | Earl Moon

While inspecting incoming PCBs we detected around all plated-through-holes (only there and all in the same place) some halfmoonshaped light rings that match obviously only with the pink ring symptom shown in the IPC-A-600 chapter 2.5.2.. That

Re: Micro-BGA soldering

Electronics Forum | Tue Jul 27 17:54:37 EDT 1999 | Earl Moon

Presently protos of micro-bgas (80i/o) pitch .030/.031 12BGA per assembly The board is a (.062, 4 layers) FR-4 using Dry film Pads .014inch Vias within footprint .020inch Vias to


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