Electronics Forum | Fri May 14 08:31:07 EDT 2004 | todd_ferrell
We're looking for a contractor who can support high volume production of 0201 passives and 1-2mm csp's to create 4mm sq. RF modules as well as mold cap capabilities. Any leads would appreciated.
Electronics Forum | Fri May 14 13:51:35 EDT 2004 | jasont
Hi Todd, This is Jason, I wrote you re the Dek, MPM and Heller. We set-up an EMS company in Su Zhou, China and looking for some contracts now. Please send additional details on scope of project to my email (you know) if willing to contract us out
Electronics Forum | Mon Sep 10 08:03:23 EDT 2007 | pavel_murtishev
Good afternoon, What is the difference between your cap and the rest of the PWB? BR, Pavel
Electronics Forum | Mon Sep 10 09:29:52 EDT 2007 | guqing
About 25C difference between the cap joint and the small ICs.
Electronics Forum | Thu Jun 19 14:44:53 EDT 2008 | guqing
Did you ever run big electrolytic caps on your board?
Electronics Forum | Mon Sep 10 14:42:42 EDT 2007 | cyber_wolf
How big is the cap ? We successfully reflow caps that measure aprrox .750" x 750" at the base and are .678" tall. The ovens we use are Vitronics XPM's.(1230,1040 and 930) We also process these caps through our Omniflow 10. As stated, oven length wi
Electronics Forum | Fri Sep 07 12:19:20 EDT 2007 | guqing
We are having problem to develop lead-free (SAC305) reflow profile for big SMT electrolytic caps. The delta T of the joint of the cap with the rest of the board is too big to fit in the tighter lead-free window. Any suggestions regarding the total pr
Electronics Forum | Thu Jun 19 15:52:16 EDT 2008 | guqing
So correct me if I'm wrong: you are using a conventional oven (not VP, otherwise you must have mentioned), your big electrolytic caps go through a lead-free profile, which requires 30sec minimum at 230, but your time above 200C on the caps is less th
Electronics Forum | guqing |
Thu Jun 19 14:26:04 EDT 2008
Electronics Forum | Fri Jun 20 14:25:40 EDT 2008 | realchunks
Yes.
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