Electronics Forum | Fri Nov 21 14:11:09 EST 2003 | russ
We have a customer with the same requirements. We use a hot air pen to rework the caps. This is supposed to eliminate the thermal shock that is present when a soldering iron is used. The solder iron tip temp is usually 600-700 degrees and comes int
Electronics Forum | Tue Nov 18 15:03:39 EST 2003 | Mark
Yup. I'm attempting a small, but very important experiment. I need to solder several Lead-Free Globtop BGA parts to a Pin-Socket interposer assembly. I'm trying to come up with the best way to do this. I'm thinking of using lead-free solder paste, (b
Electronics Forum | Thu Dec 04 07:12:00 EST 2003 | ex maintain leader
Hi Mark, I'm ex Fuji smt service engineer, now I'm leading a a team wich repairs pc-boards in Europe. During replacing P4 processor socket I use an old srt-bga rework staion and an mimistencil wich can be placed abowe the bga pads. My 5 Y experience
Electronics Forum | Mon Nov 24 13:45:08 EST 2003 | cyber_wolf
Hello all, We recently implemented a Fuji CP642 into one of our SMT lines. We have a TON of problems with the overlay tape sticking.I have tried everything. I have put on brand new tape covers, bought a tape cover flatness jig, and verified station o
Electronics Forum | Thu Mar 31 13:42:50 EST 2005 | cadcopac
Well if I know Tyco (like most other assembly folks) they probably want a registration fee before divulging any info about their product. I am having the same problem with a Quad ZCR 941 running Ver 2.9 s/w on a dos bootable diskette. On start-up it
Electronics Forum | Mon Apr 04 12:58:50 EDT 2005 | Roger @ Tyco [Formally Quad]
Passwords for the ZCR / QCR did change with the version of S/W. I believe that from version 2.9 onwards the password to start the S/W from the DOS prompt is "quad" [all lower case]. Pre version 2.9 please type "zcr" [All lower case]. This will enable
Electronics Forum | Fri Nov 28 10:00:52 EST 2003 | Tom B
John, I typically specify no more than three repairs per PWB or assembly. Using the IPC 700/7711/7721 and Circuit Tech's Guidlines for reference. If PWB cost is only couple of $$ then repair may not be worth it (you do not want to make repair, the
Electronics Forum | Sun Nov 30 08:53:15 EST 2003 | davef
IPC-6012A finds "circuit repairs" as acceptable in Class 1, 2, and 3 only "As agreed by user and supplier." So, it is your call, basically. Generally these repairs, if done properly, are reliable. See IPC-7721, 5.2.3, for conductor repair by welding
Electronics Forum | Tue Dec 02 11:34:54 EST 2003 | caldon
Adam- I would touch base with the three people I have listed below. Touching base with each one will net you every thing about Vapor Cleaning Equipment you would ever want to know. Ultronix Carl Wolf 800-553-7881 zoc@ultronix.com www.ultronix.com A
Electronics Forum | Tue Dec 02 23:46:42 EST 2003 | Grant Petty
Hi, I know this must have been asked a lot of times, however I have a "which is the best stencil printer" question. We are on a limited budget of around US$90,000 and we need to get an inline fully automated stencil printer. We have been looking a
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