Electronics Forum | Wed Mar 14 16:30:02 EST 2001 | CAL
Reading x-rays is an art. All balls should be symmetrical in size and shape. Please provide more information on your question. Why just opens? If the Balls are not consistently the same in size or shape there is a problem. Larger balls could be from
Electronics Forum | Tue Mar 20 15:55:59 EST 2001 | CAL
I only inhale flux with a high IPA content.(joke for those who don't know me) I have seen the inside of duct work for our wave soldering machine............NASTY! DAVE F. is right! Flux contains a lot of bad stuff- Chlorides, Bromides, Flourides,
Electronics Forum | Tue Mar 20 15:59:27 EST 2001 | CAL
I only inhale flux with a high IPA content.(joke for those who don't know me) I have seen the inside of duct work for our wave soldering machine............NASTY! DAVE F. is right! Flux contains a lot of bad stuff- Chlorides, Bromides, Fluorides,
Electronics Forum | Tue Mar 20 16:08:43 EST 2001 | CAL
As long as the bag integrety is not sacrificed I would put it back into production. no tears, wear, exessive labels, folds........ In a previous life many moons ago.......we would have our receiving department put returned field failures in used ba
Electronics Forum | Wed Mar 28 17:22:18 EST 2001 | billschreiber
Hello Mike, Let me try to explain the Certification vs. Verification for you. There are two EPA programs. The California Environmental Protection Agency's Certification Program where Cal/EPA Certifies the entire cleaning process for environmental sa
Electronics Forum | Wed Mar 28 14:38:07 EST 2001 | CAL
Phil- A Technology you may want to give serious consideration is the Original Solutions UV-OS-1. No gold PCB's, 100% accurate,and a Money back guarantee - IMPRESSIVE! We did the studies on the Original Solutions Boards and were amazed with the techno
Electronics Forum | Thu Mar 29 08:23:02 EST 2001 | CAL
Some AOI manufacturers require you to put in a GOLD PCB. Gold PCB is a perfectly manufactured board - Correct placements, correct polarity, no solder short, a "GOOD" PCB. With the vision limitations of some AOI equipment components that have variatio
Electronics Forum | Wed Apr 04 08:57:13 EDT 2001 | Cal
IPC-TM-650 is a works well. Ionic conductivity is a good rule of thumb but I prefer ION Chromatography this will help determine the residues left behind from the fab process. There are a bunch of ways to determine solderabiltiy- Wet Balance and SERA
Electronics Forum | Wed Apr 04 08:28:27 EDT 2001 | Cal
ZAM_BRI- I don't know how effective this may be but some points to include in the buy-off procedure: Before submitting the PO for the stencil you may also want to do a CAD to Stencil comparison to verify correct apertures.There are SW packages and co
Electronics Forum | Thu Apr 05 10:50:08 EDT 2001 | CAL
Per our staff here at ACI......... Higher Temperatures maybe necessary to achieve good solder process results. The alloy formed when HASL coating protects the copper is the same as that when OSP provide protection. Temperatures may be increased to im
