Electronics Forum | Sat Dec 21 14:07:53 EST 2002 | No man land
cool Music soothens one's emotions. It should be > mild and not loud. No voice. Just > music...Solos. > > We have used this successfully > in our plant. Every hour we have a two minutes > break to give rest to our operators who use > microscope
Electronics Forum | Mon Dec 16 10:23:42 EST 2002 | Grant Petty
Hi, I have checked the archives, but need some advise. We have a 256 pin 1 mm pitch BGA part of our boards, and we have having problems with paste release our of the holes for the BGA. We just cannot seem to get it right, and we have to keep the st
Electronics Forum | Wed Jan 08 22:33:24 EST 2003 | jonfox
1. Do you have the necessary equipment to take on such a task and 2. Why? My only guess is that you are looking to find the probability or likelihood of a particular observation and / or a "confidence" score on your other equipment. This is just a
Electronics Forum | Wed Jan 22 14:53:50 EST 2003 | MA/NY DDave
Hi I thought I would come back to this one for a second. Joe Fox above gave a nice concise note as to why you must raise the temp high enough above the soldering melting temp (liquidus) yet not too high. You want to go high enough for paste so tha
Electronics Forum | Thu Jan 23 14:19:56 EST 2003 | Mike Konrad
Hi Randy, No-clean flux needs to be activated in order to burn off the volatiles in the flux. This normally occurs partly during preheat and certainly during the reflow or soldering process. In most hand soldering applications, an operator applies
Electronics Forum | Thu Jan 23 20:27:54 EST 2003 | joeherz
Hello, We recently installed a new/used UPK 650 fitted with a foam fluxer using an RMA flux chemistry. We have had problems with icicling and bridging from the beginning. The bridging occurs mostly on DIPs and connectors. The icicling is on longer
Electronics Forum | Mon Feb 03 18:33:23 EST 2003 | jonfox
We have some high runners (components) that are available in bulk and some that are not. It would only help part of the issue. Cost was only a marginal difference, and we were told by the supplier that it was because bulk just hasn't caught on like
Electronics Forum | Tue Mar 11 18:01:26 EST 2003 | russ
Tim, I cannot remember what model our T.D. wave was it was a small unit about 8 ft. long "tabletop" is what I call them. In keeping up with this thread I noticed a lot of T.D. support. So, I decided to backtrack and review history with my previous pe
Electronics Forum | Thu Feb 27 11:05:49 EST 2003 | Chris
Hello, I am the manager of a Drafting department and don�t pretend to know too much about the SMT process. But I am the manager of a CAD designer so I am somewhat responsible for the following issue. So since no one else around here seems to have the
Electronics Forum | Thu Feb 27 11:23:18 EST 2003 | russ
Machine rotation is usually based off of component presentation. for example an SO8 can come in either tape and reel and sticks. In tape and reel the component is presented to the machine with pin one at the lower left corner while the stick will hav
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