Electronics Forum | Tue Nov 18 07:37:35 EST 2003 | Chris Lampron
Good Morning Everyone, Recently we have received a directive from one of our customers regarding processing of ceramic chip caps. The directive states that soldering irons shall not be used to process or rework any ceramic chip cap anywhere in the p
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
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