Electronics Forum: ag3 (Page 1 of 3)

Lead-Free SMD repair

Electronics Forum | Tue Apr 26 05:04:10 EDT 2005 | siverts

Sorry for my blackout, but here it comes: Solder paste: Senju 7100-GRN360-K1MK-VS Sn 95.5 Ag 3.9 Cu 0.6 Solder wire: Kester 24-7040-8834 Sn 96.5 Ag3.5 Regards,

90/10 & Lead Free Solder Balls

Electronics Forum | Mon Mar 26 10:40:14 EDT 2007 | solderiron

WaveroomPlus can offer the following Sn95.5 Ag3 Cu0.7 Sn95.5 Ag4 Cu0.5 Sn96.5 Ag3.0 Cu0.5 Sn97 Ag2.5 Cu0.5 Steve@waveroomplus.com

What to use SAC305 or SAC405??

Electronics Forum | Mon Apr 16 11:58:07 EDT 2007 | cingsman

I believe SAC305 will result in a lesser amount of Ag3Sn inter-metallic compounds being formed along the joint boundary and in the sphere. Studies have been shown to point out a significant difference between the number and size of Ag3Sn plates in SA

Sn96.5Ag3.5 Lead Free solder

Electronics Forum | Fri Feb 25 04:28:49 EST 2000 | Sze-Pei LIM

We faced terrible void issue while using Sn96.5Ag3.5 solder paste, more than 20% void. We tried adjusting the reflow oven profiles but we did not have much success in reducing the void. Generally, we find quick preheat, high peak temp. and fast cooli

Sn96.5Ag3.5 Lead Free solder

Electronics Forum | Fri Feb 25 04:28:49 EST 2000 | Sze-Pei LIM

We faced terrible void issue while using Sn96.5Ag3.5 solder paste, more than 20% void. We tried adjusting the reflow oven profiles but we did not have much success in reducing the void. Generally, we find quick preheat, high peak temp. and fast cooli

Re: Sn96.5Ag3.5 Lead Free solder

Electronics Forum | Sat Feb 26 08:37:32 EST 2000 | Dave F

Sze-Pei: Your e-mail address doesn't work. Dave

Re: Sn96.5Ag3.5 Lead Free solder

Electronics Forum | Sat Feb 26 08:37:32 EST 2000 | Dave F

Sze-Pei: Your e-mail address doesn't work. Dave

Lead Free paste

Electronics Forum | Wed Nov 08 08:12:16 EST 2006 | jnaligan

hi... try evaluating eco solder paste Sn96.5/Ag3.0/Cu0.5 from Senju... output is good and i suggest your stencil's apperture ratio with the pad 1:1 when it comes to fine pitches...and BGA pads regards, janry

Re: High temperature solder paste for gold plated MCMs

Electronics Forum | Wed Jan 26 21:30:06 EST 2000 | Dave F

Tuan: Consider Sn 96.5/Ag 3.5 or Sn10/PB88/Ag02 also. As Glenn says, you had better get rid of that gold or you will never have a shiney connection. Not that a shiney connection means anything about the quality or reliability of your soldering. M

What is too much silver in a joint

Electronics Forum | Mon Apr 01 07:41:40 EST 2002 | davef

Hey Bob, Boy, you are lucky to have a laboratory, and now colorful pix!!! The only silver IMC that you will see are: * Ag6Sn, much less likely at 'normal' soldering temperatures * Ag3Sn, much more likely Allowable silver concentration: * Below 2%

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