Electronics Forum | Tue Jun 17 09:00:58 EDT 2003 | fmonette
Good question, here is the short answer : The problem is that dry storage is not the same as a bake process. If you want to bake saturated components, this should be done at higher temperatures. The IPC/JEDEC standard provides a table with bake temp
Electronics Forum | Mon May 21 17:32:23 EDT 2001 | davef
I said: "Our electronic circuit board fabricators seal the boards in moisture barrier bags [MBB]. We discontinued the use of desiccant bags in these MBB because of concerns about the desiccant releasing materials that would affect the solderability
Electronics Forum | Mon Jul 26 03:32:31 EDT 1999 | Jason
| | | Hello, | | | i'm looking for informations about companies which are using system to verify the loadind of a SMT machine by using barcode (on the slot on the machine & on the reel). | | | I'm in charge of the installation of this kind of system
Electronics Forum | Fri Feb 10 15:14:08 EST 2006 | Chunks
Establish a profile board. It should be representative of what you normally run on a daily basis, size and parts wise. Attach dedicated thermalcouples so they are permanent and will not move or come loose. High temp solder is best. Establish a pr
Electronics Forum | Wed Jul 14 19:05:10 EDT 1999 | JohnW
| I'm doing some basic research in trying to understand the purpose | and drivers that cause bar code (or other) marking of PCBs. I would appreciate any knowledgable volunteers willing to speak with me -your name, number, the best time for the call-
Electronics Forum | Tue Feb 16 16:25:18 EST 1999 | Tuffty
| We use both F4G and MCS at the present and we are phasing out MCS. One main reason is that it's platform is not Y2K compliant. F4G is cumbersome and taxes a high overhead on your computer system. We have also found a bug recently when we have hi
Electronics Forum | Thu Mar 18 12:32:16 EST 2004 | steve_arneson
There are many low cost paste inspection systems on the market today. It really depends upon your overall needs for process improvement. The CyberOptics LSM series of inspection devices use a single laser stripe to calculate both Height, Area and V
Electronics Forum | Wed Apr 28 14:32:36 EDT 1999 | JohnW
| | | Thank for the input. But I guess I was looking for more. We have been transferring boards for some time and a have good working relationship with our primary CEM and have worked out many bugs. I was thinking more on the order and don't shoot
Electronics Forum | Wed Feb 10 12:52:21 EST 1999 | Dick Casagrande
|I'm getting in a little late on this but my 2 cents is: We have been using no-clean flux for a few years now but up till last month were still cleaning (the white residue) our boards (all thru hole). Finally did some investigation and found the flux
Electronics Forum | Sat Aug 03 07:29:20 EDT 2002 | davef
IPC-PE-740 "Troubleshooting for Printed Board Manufacture and Assembly" has words to the effect of � 1.5---BAKING Laminate materials are baked several times during the manufacture of a printed wiring board. There are four major reasons for
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