Electronics Forum: solder and paste (Page 1 of 729)

Evalution on solder paste and spray flux

Electronics Forum | Wed Jan 26 20:52:06 EST 2005 | Chua

Hi, I'm going to evalute new solder paste and flux for wave-solder. Appreciate you could advise what are the things need to look out during the evalution. Any recommend step or proper way of doing solder paste and flux evalution. Appreciate your he

Evalution on solder paste and spray flux

Electronics Forum | Thu Jan 27 11:23:45 EST 2005 | russ

Well first off I wouldn't evaluate paste for a wave process. I would use solder bar instead. Flux - top side fillets and no shorting on the solder side, does it clean well after processing if using water soluble flux. How wide is the process win

solder paste ingredients and their effects

Electronics Forum | Fri Feb 09 02:30:50 EST 2007 | Muhammad Haris

What are Resins, Solvents, Activators, and Thickening Agents in Solder Paste and what are their helpful and harmful effects? AND What are the purposes/properties and effects of Sn(Tin), Pb(Lead), Ag(Silver), Bi(Bismuth), In(Indium), Cu(Copper), Ni(

solder paste ingredients and their effects

Electronics Forum | Fri Feb 09 12:31:35 EST 2007 | realchunks

Ask Brain Toleno at "circuitsassembly.com/blog" He's a smart guy and works as team lead at Henkel Loctite. Just don't take him out for drinks.

Pb free BGA and Sn Pb solder paste

Electronics Forum | Thu May 06 06:47:12 EDT 2004 | praveen

Hi, I just need to undestand any issue? If I mount Pb free BGA and use normal SN/Pb solder paste?

Pb free BGA and Sn Pb solder paste

Electronics Forum | Tue Jun 01 19:23:15 EDT 2004 | Ken

profile it for the tin/lead paste. The tin in the solder paste will begin to disolve the sac ball. This is exactly the same scenario as 90/10 (80/20)high temp balls found on ceramic bga and many super bga devices (except the sac balls are now tin r

Pb free BGA and Sn Pb solder paste

Electronics Forum | Wed Jun 02 19:01:50 EDT 2004 | lynnmc

Thanks to all on this feedback

Pb free BGA and Sn Pb solder paste

Electronics Forum | Tue Jun 01 17:37:34 EDT 2004 | lynnmc

Any view on what the minimum reflow temperature is for a SAC ball bga to form a reliable joint with PbSn solder?

Pb free BGA and Sn Pb solder paste

Electronics Forum | Tue Jun 01 19:25:19 EDT 2004 | Ken

...oops part 2: I will assume a sac 350 ball??? 217-218C this will completely reflow the ball and form a "normalized" joint with a collapsed structure.

Pb free BGA and Sn Pb solder paste

Electronics Forum | Thu May 06 08:59:25 EDT 2004 | davef

Even with PbSn solderpaste the leadfree BGA's have a superior resistance to solder-joint fatigue failure when compared to conventional parts. [Solder Fatigue Reliability Issues in Lead Free BGA Packages, Pedro Chalco of IBM, Pan Pacific Microelectron

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