Electronics Forum: smq92j and profile (Page 1 of 25)

Imm Silver and Voiding

Electronics Forum | Fri Jun 23 10:10:15 EDT 2006 | Gman

Some amount of voiding was always seen on sites where solder paste is printed. These voids are much smaller. However the site where a flip chip is flux dipped has never had problems with voiding. Macro voids (and huge ones at that)across the board s

Intermetallics and reflow profile

Electronics Forum | Tue May 02 15:29:14 EDT 2000 | M. F. Roe

I am looking for public papers or articles on intermetallic formation as a function of reflow profile. Most solder paste vendors specify peak temperature and time above liquidus, but I am particularly interested in what happens to intermetallic grow

profile ramp starts in??

Electronics Forum | Mon Feb 20 20:57:35 EST 2006 | Cal Kolokoy

The ramp sets the stage for flux activation, and if ramping in a linear fashion, burning off some of the volatiles, but yet preserving the activators. The ramp is also intended to preheat the SMDs to prevent thermal shock. Most solder paste data sh

Re: Intermetallics and reflow profile

Electronics Forum | Wed May 03 20:24:22 EDT 2000 | Dave F

MF: I know of nothing that addresses your question directly. Let me suggest: * Technical types at your solder supplier should be able to help. * "Effect Of Intermetallic Compounds On The Thermal Fatigue Of Surface Mount Solder Joints" PL Tu, et a

Pin Hole Issue after Reflow Soldering - Passive Components

Electronics Forum | Wed Feb 14 04:48:58 EST 2018 | ameenullakhan

The profile I have shared is for SMQ92J leaded solder paste

Indium No-clean and Inert Reflow oven (N2)

Electronics Forum | Wed Jul 31 13:09:17 EDT 2002 | gdstanton

Anyone have experience with Indium NC-SMQ92J solder paste used in an inert (N2) reflow oven?

0402 tombstoning and dewetting on QFP256 trade-off

Electronics Forum | Thu Mar 05 11:53:09 EST 2009 | dcell_1t

Hello to all. for certain time, we have been struggling with some issues on a PCB where have tombstoning on 0402 components (due to pad design) and dewetting in qfp256 0.5 mil pitch (discussed on another threads on this forum) component, we have pro

Indium No-clean and Inert Reflow oven (N2)

Electronics Forum | Thu Aug 01 13:04:57 EDT 2002 | gdstanton

Its interesting. It appears I'm getting conflicting feeback from Indium. This says its not a problem... http://indium.custhelp.com/cgi-bin/indium.cfg/php/enduser/std_adp.php?p_sid=kTDKGClg&p_lva=&p_faqid=355&p_created=1014734692&p_sp=cF9ncmlkc29

Indium NC-SMQ92J paste problems

Electronics Forum | Mon May 10 11:33:29 EDT 2004 | adm

Hi Can anyone tell what is a Ramp to Spike Profile? Rgds

Strange things ocuring during reflow...

Electronics Forum | Wed Feb 17 12:16:17 EST 2010 | dcell_1t

Hi there: During the past weeks (let's say since beginning of the year) we've been experiencing some issues with shifted components. We verify for position before Reflow oven and the components are Ok, but they observe shifted after reflow. it occurs

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