Electronics Forum | Wed Mar 02 09:19:33 EST 2005 | Indy
we use SENJU M705. type3 solder paste. Has a good shelf life.
Electronics Forum | Tue May 03 20:01:24 EDT 2011 | city4497s
It a recent occurance and it happen randomly on other area. I'm using senju M705-GRN360-KV and Indium SMQ 90 Leadfree solder paste, we have been using both paste for 4~5 years. We have asked the oven supplier to perform maintenance and inspection, pr
Electronics Forum | Wed Sep 12 22:57:02 EDT 2007 | lito_visaya
Anyone, We are an electronic assembly contractor and one of our customer requires a 100% solder coverage on pads for their products. We are using flex pcb and we mount only one component (LED for backlight application). The solder paste we are u
Electronics Forum | Thu Dec 05 05:39:05 EST 2019 | oxygensmd
I know your application isn't BGA but the data sheet also mention about the peak temperature - 235 Celsius. For the LEDs you can reach higher temperature and I recommend to reach 225-235 Celsius. You will get significantly better results because the
Electronics Forum | Mon Feb 04 08:32:12 EST 2008 | jola
Thanks for your replys but I can't figure out why this problem is so much bigger in one owen when we run nearly the same mix in both our lines and we use in 99% of the production only the same 2 different pastes, lead and leadfree. The pastes we use
Electronics Forum | Mon Sep 06 10:21:10 EDT 2004 | pioneertechnology
Hi All We have been manufacturing lead free in the UK for about two years now in a fashion. Let me expalin. Two years ago we began to change over our wave solder machines to lead free process. We read all the articles and attended the seminars on
Electronics Forum | Thu Dec 15 21:23:57 EST 2005 | davef
Welcome. A day and a half seems like a very long time to leave paste on your stencil. We'd expect that the volitiles in the flux would have left the building in that time, making the flux less active. We start with fresh paste at the beginning of
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