Electronics Forum: what and solder and paste (Page 1 of 53)

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(

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

Volume and average height of solder paste after printing machine

Electronics Forum | Thu Oct 02 17:00:44 EDT 2008 | davef

Is that accurate? If so, what are your aspect & area ratios? [Similar to the JerryS comment above.] * You say, � � and the average height is very high: nearly 200 pct.� => Our troop can make paste that height too. They snap the stencil-off a fast as

Volume and average height of solder paste after printing machine

Electronics Forum | Thu Oct 02 12:22:26 EDT 2008 | JerryS

Hello Ok there is not much info here. What you have to mae sure of is several key factors. 1. Have you entered the correct stencil thickness. 2. Are you using the stencil gerber (not the paste layer) The paste layer is usually not adjusted for ap

Volume and average height of solder paste after printing machine

Electronics Forum | Thu Oct 02 01:47:57 EDT 2008 | myleb

I'm new to SMT. Now, i'm making program for SPI machine to inscpect for solder paste of SP60-MU. I think this is a very good printer but some times, my program shows only 50-60% of volume transfer; and the average height is very high: nearly 200 pct.

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?

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 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.

SMT Solder paste and wave flux evaluation

Electronics Forum | Fri Jan 28 12:45:14 EST 2005 | Indy

That is what we call as good "Problem Solving Skills". :)

SMT Solder paste and wave flux evaluation

Electronics Forum | Fri Jan 28 01:56:32 EST 2005 | Chua

Hi, I could like to find out what are the things need to look out if I'm doing a new SMT solder paste ( water soluble & no-clean ) evaluation. And also flux ( spray type ) for wave-solder ( water soluble & no-clean ). Appreciate for all the input..

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