Electronics Forum | Wed Jan 01 21:58:31 EST 2014 | mysmt
Hi , Wish you a happy new year. Find attached datasheet of laminate. Thanks,
Electronics Forum | Thu Jan 02 23:39:33 EST 2014 | mysmt
Hi, FR1 laminiate used is only for single side type and THD plating is not used. I have also attached laminate manufaturer's datasheet. Thanks,
Electronics Forum | Thu Nov 20 13:00:36 EST 2008 | jameskelch
Calling out materials by name locks you into laminates by brand. If these are typically phenolic materials it can lead to moisture absorption, less mechanical strength and more prone to delamination during assembly. It is more effective to refer
Electronics Forum | Mon Jun 04 09:15:08 EDT 2012 | davef
bwjm: Delamination can be attributed to several factors: * Entrapped moisture, processing solutions, and what not that expands when heated to normal soldering temperature * Excessive soldering temperature * Excessive laminating temperature * Def
Electronics Forum | Wed Jun 22 09:12:57 EDT 2005 | bsudak
Our manufacturing site has been struggling with soldering Alloy 42 TSOPs. Currently, we have to hand solder in one of our applications. Here are the particulars. Component: 54 leads, Sn plated, 400microinches +/-200. Process: Eutectic 63/37 Sn/Pb
Electronics Forum | Wed Oct 04 10:18:51 EDT 2006 | greg york
Now seen the Blow Holes and shallow inverted and non wetting problem an aweful lot over here. Over came the Blow Holes and shallow inverted joints by washing the bare PCB with hot Saponifier then rinse and dry = problem dissapears. Think most PCB ven
Electronics Forum | Wed Feb 26 04:28:39 EST 2014 | chongns
Hi All member I have a problem on the stable down the color of the white solder mask PCB. first, i tough the color differences was cause by the solder mask ink, but after a close look, the color change are cause by the copper under the solder mask
Electronics Forum | Fri Jan 24 02:41:58 EST 2020 | borisanic
Thanks Phil. Is there any marks on calibration PCB or it is plain copper laminated PCB with dimensions 20"x20"?
Electronics Forum | Mon Sep 11 08:52:12 EDT 2006 | Amol Kane
lead-free processes involve higher temperatures. if you run this PCB thru the reflow oven, the worst possible scenario is that the board may melt and deform. even if it doesnt, it may delam internally (and or the bare board reliability might be compr
Electronics Forum | Wed Jul 19 20:30:38 EDT 2000 | Dave F
Lennart: I think most laminators offer a halide free laminate. Two are Isola and Mica-Micanite. Contact the IPC Halogen-Free Materials Task Group
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