Electronics Forum | Wed Nov 08 03:48:10 EST 2000 | JohnW
If your feeling really flush with ash you could contact your wave machine vendor and buy some from them. But I have to admit I do prefer Dave's idea...much cheaper, you'll get it in some kinda timescale rather than the 4 week's your machine vendor wi
Electronics Forum | Wed Nov 08 20:45:32 EST 2000 | Dave Rygwalski
We are using Austin American Technologies with Petroferm solutions and have excellent results using the same two types of solvents for cleaning stencils, adhesives and miss print boards. I average about five hundred cleaning cycles before we have the
Electronics Forum | Wed Nov 01 11:08:13 EST 2000 | CAL
the same differences that seperate Cadillac and BMW's in the auto world. Lines, look, performance, convienence, sound. A conveyor with wires, hoses, loud solenoids, are undesireable. Stien Automation/ Cyclone Automation Have a Newly released conveyor
Electronics Forum | Sat Oct 28 08:41:37 EDT 2000 | Aaron
1. Check printing accuracy. 2. Check placement accuracy. 3. Your components should be kept in a good environment to prevent oxidation of terminations. 4. Pads pattern should be designed according to standards. If 1.2. are okay, you should suspect 3
Electronics Forum | Fri Oct 27 08:59:17 EDT 2000 | Wolfgang Busko
Antonio: A lot has been said on this topic before. You might try the archives with "solder balling" and than check your process step by step ( you will find enough ) to find the cause of your problem. Any other advice would be repeating and repeating
Electronics Forum | Mon Oct 23 14:05:08 EDT 2000 | Aokilab
Hi Soza: As Dave F mentioned, there are lot of factors involving the formation of residue, after cleaning. Factors, (such as: solvent's cleaning power, presence of metal oxides, type of soldering flux, etc...). One thing pretty sure, IPC is usually
Electronics Forum | Fri Oct 06 08:22:05 EDT 2000 | jackofalltrades
BGA's are not difficult, but should be inspected no matter how careful you are. Here we have been doing bga's forever and x-ray 100%. Without an x-ray there is no good way to ensure the BGA is placed properly, without bridging or insufficients. If yo
Electronics Forum | Wed Oct 04 16:17:08 EDT 2000 | Brian W.
I would be happy to share some insights with you, but would prefer to do it off line. I have been involved with CM work for 9 years. Please feel free to e-mail me a phone number or e-mail address if you would like to speak about it further. Brian
Electronics Forum | Tue Sep 26 08:41:27 EDT 2000 | greg
I am processing PCB's that have an n-tech osp coating and am finding huge inconsistencies in wetting. Some boards process clean with good wetting and the next has terrible wetting. The boards are stored and handled properly. Has anyone had this
Electronics Forum | Thu Sep 28 08:09:09 EDT 2000 | Bob Thieda
We ordered and used Kapton stencils from KJ marketing for several months. The operators felt setup was considerably easier. Service and delivery was excellent. Ultimatly we discovered that although the see-through nature of the stencil made initial
