Electronics Forum | Sat Sep 20 11:24:27 EDT 2003 | Gabriele
Few questions: - wich type of C-CGA ? (CAST or CLASP column to ceramic attach) - column pitch ? - column count ? - capped (with lid) ? or capless (c4 die on top)? - PCB board zize and thickness ? - volume of solder paste ? - Clean or not Clean so
Electronics Forum | Mon Sep 29 23:46:51 EDT 2003 | daman
Hello everybody, We have a new product having a lot of open gold area. solder splashes during the reflow is a pain in the... Its an extremely small PCB and kapton taping is not an option. Stencil is at 10% reduction, Cleaning after every cycle. Reflo
Electronics Forum | Mon Oct 13 13:34:13 EDT 2003 | caldon
HI Andrea- to answer Q: 1) Stencils can be order through various vendors that manufacture stencils. You would need to have CAD data for the Stencil company to make them. You design engineer should have the CAD info. Also, the stencil design company c
Electronics Forum | Wed Nov 05 08:49:39 EST 2003 | Axl
You might want to try reducing your stencil aperture by 10% first off; if it still swims try using a home plate design. Also if your profile is going into liquidous to fast, this might cause the swimming as well, check your profile.