Electronics Forum: smt solder case studies sn100c (Page 1 of 2)

BGA,s Storage

Electronics Forum | Tue Nov 13 11:22:50 EST 2001 | fmonette

Dave, Hany, I was actually surprised to hear that topside SMT components can reach such a high temperature during wave soldering. If this is the case then the concern for component damage is very valid. This morning I discussed this issue with Jac

Contaminate PCB surface

Electronics Forum | Sun Nov 27 05:06:25 EST 2011 | siaomuay

Hello I'm just study PCB in my company. I found many Surface PCB have some contaminate and can not specify what it is. Size is around 2 mm2 . Sometime I send to supplier and they said it is solder paste or some dirty flux. please see contaminate1

Re: Standard pad sizes for reflow and wave

Electronics Forum | Tue Sep 07 09:11:33 EDT 1999 | Dave F

| We've noticed that there are many different recommendations for pad sizes for various SMT parts. This seems to vary wildly from manufacturer to manufacturer for the same case sizes. Is there any standards that can used used to specify these sizes

Flason SMT Products

Electronics Forum | Wed Oct 03 23:58:23 EDT 2018 | gaintstar

Flason SMT News: http://www.flason-smt.com/new/6-Things-to-Check-Before-Submitting-Your-PCB-Design-for-Manufacturing.html http://www.flason-smt.com/new/about-wave-soldering-machine-tin-pot.html http://www.flason-smt.com/new/Advantages-of-Design-for-

Re: Hey Ya'll, let's talk about Lead fer' a bit...

Electronics Forum | Mon May 03 18:11:32 EDT 1999 | Steve Gregory

Hi Ya' John! Here's my comeback to the points you've raised...you knew I would have a comeback, didn't ya'? |Steve, | | I see your point, and yes there are alot bigger fish to fry in |the removal or control of lead in the environment. However even

Re: Hey Ya'll, let's talk about Lead fer' a bit...

Electronics Forum | Tue May 04 14:37:44 EDT 1999 | JohnW

| Hi Ya' John! | | Here's my comeback to the points you've raised...you knew I would have a comeback, didn't ya'? | | |Steve, | | | | I see your point, and yes there are alot bigger fish to fry in |the removal or control of lead in the environment

Re: Hey Ya'll, let's talk about Lead fer' a bit...

Electronics Forum | Mon May 03 18:11:10 EDT 1999 | Steve Gregory

Hi Ya' John! Here's my comeback to the points you've raised...you knew I would have a comeback, didn't ya'? |Steve, | | I see your point, and yes there are alot bigger fish to fry in |the removal or control of lead in the environment. However even

Process control, SMT inspection and rework

Electronics Forum | Tue Apr 09 21:40:26 EDT 2002 | ianchan

We are a local enterprise with limited resources, just like you described, so hope this experience sharing helps : we place a production Visual Mechanical Inspection (VMI) inspector at the end of each Reflow Oven area, complete with magnify scope 30

Re: Hey Ya'll, let's talk about Lead fer' a bit...

Electronics Forum | Wed May 05 03:57:00 EDT 1999 | Bernard Mulcahy

| Hi Ya' John! | | Here's my comeback to the points you've raised...you knew I would have a comeback, didn't ya'? | | |Steve, | | | | I see your point, and yes there are alot bigger fish to fry in |the removal or control of lead in the environment

Re: Board Warp And Twist

Electronics Forum | Thu Aug 10 13:12:10 EDT 2000 | Bob Willis

You may care to review the following from my Circuits Assembly page on line. "HOW FLAT IS FLAT AND DO WE NEED FLAT CIRCUIT BOARD, YES WE DO ? As production problems go there is one that keeps reoccurring time and time again. The blame is usually di

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