Electronics Forum: bottom (Page 2 of 227)

Epoxy on bottom of SMT component

Electronics Forum | Fri Nov 23 07:51:25 EST 2007 | shy

Hi there, kindly help to advice me either epoxy/glue at bottom SMT component such as chip package 2012 will cause the component to be non-wetting after run reflow process?

Epoxy on bottom of SMT component

Electronics Forum | Tue Nov 27 06:11:42 EST 2007 | shy

Hi Loco, my PCBA got top side and bottom side and 90% SMT and 10% THP (top side) which need to be cover by wave solder. And that's why i need to go through reflow and wave.

Epoxy on bottom of SMT component

Electronics Forum | Tue Nov 27 07:36:29 EST 2007 | shy

solder the part is for SMT component (located at top side and bottom side) and wave solder is for THP (located at top side only).

Epoxy on bottom of SMT component

Electronics Forum | Mon Dec 03 02:23:12 EST 2007 | lococost

yigh, loose the glue, put paste on ALL bottom SMD components and cover ALL SMD components with peel off before wave.

Epoxy on bottom of SMT component

Electronics Forum | Mon Nov 26 10:36:19 EST 2007 | davef

Sure, if you slopper or schmush chipbonder onto pads, solder will not take on that portion of the pad, regardless of the component.

Epoxy on bottom of SMT component

Electronics Forum | Mon Nov 26 20:05:52 EST 2007 | shy

Hi Real Chunks, kindly help to elaborate more on the potential problem that i will face?

Epoxy on bottom of SMT component

Electronics Forum | Thu Nov 29 10:39:42 EST 2007 | realchunks

Dave, Eject-eject-eject!

Epoxy on bottom of SMT component

Electronics Forum | Thu Nov 29 13:02:33 EST 2007 | slthomas

Ahhh, our first casualty.

Epoxy on bottom of SMT component

Electronics Forum | Thu Nov 29 17:59:46 EST 2007 | davef

Dave OUT!

Epoxy on bottom of SMT component

Electronics Forum | Sun Dec 02 16:42:53 EST 2007 | stepheniii

Does that work well with a "lights out" factory?


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