Electronics Forum | Wed Aug 25 14:34:38 EDT 1999 | Tony
| Can anyone tell me where I can get a good lightweight material to use for a soldering fixture? I need to make various fixtures to hold LED's vertical during the soldering process, and keep them from floating up off the board surface. | | At a dif
Electronics Forum | Wed Aug 25 03:44:44 EDT 1999 | Charles Stringer
Mine's a fuji MX2700 1800 x 1200 pixels. +ve Small easy to use (operators do their own build guides) 8mb Smartmedia and floppy adapter make it useable on almost any PC = 8 pictures on best resolution Fair macro facility (you can identify 0603 compon
Electronics Forum | Sat Aug 21 12:29:28 EDT 1999 | Brian
| I have a layer of electroplated solder (10/90) that appeares to have some sort of contaminent on it. Water will not wet to the layer in some areas. I have tried using 10% HCl in DI as a cleaner as well as 7.5% Fluoboric acid in DI. Neither has t
Electronics Forum | Wed Aug 18 16:15:04 EDT 1999 | Earl Moon
| Hadco offers a technology of building in a "buried" capacitance layer (& other embedded passives) in organic PWBs (FR4 for example). see http://www.hadco.com/prod03.htm and a design manual is posted here: http://www.hadco.com/pdfs/bcguide.pdf | I
Electronics Forum | Wed Aug 18 15:09:48 EDT 1999 | John Thorup
| OK folks, let's get real serious. | | Well, I shot off my big mouth yesterday during a scheduling meeting concerning DFM and rework. Again, what an irony, oxymoron, or that other thing. | | Anyway, I said it would take another 4 weeks to develop
Electronics Forum | Tue Aug 17 03:33:26 EDT 1999 | Scott Davies
Anybody using trolleys with the pick-n-place machines and do you splice to the empty reels? Does it work ? ================================================================= I can totally support Charles' comments with regard to reel splicing, ie. if
Electronics Forum | Mon Aug 09 16:15:30 EDT 1999 | JohnW
| I am having cleaning problems when processing PCB's which have | TAIYO solder mask on them. After processing, hand soldering and | cleaning, a sticky residue is remains, resulting in a cosmetically poor finish with tide marks etc. Other soldermasks
Electronics Forum | Mon Aug 09 18:03:28 EDT 1999 | Earl Moon
| | I am having cleaning problems when processing PCB's which have | | TAIYO solder mask on them. After processing, hand soldering and | | cleaning, a sticky residue is remains, resulting in a cosmetically poor finish with tide marks etc. Other solde
Electronics Forum | Thu Aug 05 15:26:42 EDT 1999 | Brian E. Steelglove
| | I am currently in the process of setting up an SMD Parts Package Database. The database will contain dimensional information to be used by the placement machinery to process parts (I.E Package Type, # of Leads, Lead dimensions, Lead pitch(s), etc
Electronics Forum | Wed Aug 04 21:52:54 EDT 1999 | Dave F
| We're getting field failures in a high impedance portion of the circuit. Think the unpopulated pc card has contaminates because we were able to grow dendrites by applying a 9 volt battery across the suspected pad, placed a drop of de-ionized water
