Electronics Forum: engineering (Page 203 of 261)

Re: Solder on gold finger

Electronics Forum | Tue Aug 18 12:02:59 EDT 1998 | zambri

| Hi, | Need some advice on how to eliminate or reduce the solder on finger that we are having right now. So far what we understand is that 90% of the problem is due to the reflow process where solder traps in vias causing explosion when subj

Re: Solder on gold finger

Electronics Forum | Mon Jul 27 21:10:10 EDT 1998 | D.Lange

| Hi, | Need some advice on how to eliminate or reduce the solder on finger that we are having right now. So far what we understand is that 90% of the problem is due to the reflow process where solder traps in vias causing explosion when subj

Re: Lead-Free Solder Paste

Electronics Forum | Wed Jul 22 11:20:25 EDT 1998 | Russ Miculich

Barbara, I worked for 5 years with advanced materials including silver filled thermoplastics and epoxies for Alphametals. There is a trend towards lead free "solder paste". Some companies are using an Indium alloy paste and others are using a "lea

Now That's What I Call Service:) :) :)

Electronics Forum | Tue Aug 04 12:47:24 EDT 1998 | smd

The Field Operations Manager showed up yesterday because he'd heard about my smtnet ranting. Now they're going to send somebody up here to look at the six year old machine. Free. It's hard to top service like this! Companies That rule (alphabetical

Re: Now That's What I Call Service:) :) :)

Electronics Forum | Mon May 24 13:42:40 EDT 1999 | David M. Lynch

I was doing some digging for comments from folks like yourself and noticed your mention of Amistar, Philips, and Transition Automation service. As it happens I'm comparing Amistar and Philips machines and support. It's obvious why you're happy with P

Re: TCE for Ais

Electronics Forum | Thu Jun 25 15:33:51 EDT 1998 | Earl Moon

| | Hi there, | | Does any one know what is TCE for fully wet saturated FR4. I came to know that for Dry FR4 the TCE is about 15-19 PPM �C. Is that true? | | | | Appreciated for your help. | | rgs, | | chiakl | Chiakl, | It looks like you are speaki

Re: Hot-Air Leveling.

Electronics Forum | Tue Jun 09 09:17:21 EDT 1998 | Earl Moon

| Hello, | Some time ago before I was an engineer the company that I work for now made it a company policy to not allow hot air leveling for reasons that I do not know about yet. All I know that this policyt agreed with the MIL standards at the time

Re: Hot-Air Leveling. / Earl You Chicken

Electronics Forum | Tue Jun 09 12:39:47 EDT 1998 | Dave F

| | Hello, | | Some time ago before I was an engineer the company that I work for now made it a company policy to not allow hot air leveling for reasons that I do not know about yet. All I know that this policyt agreed with the MIL standards at the

Re: Hot-Air Leveling. / Earl You Chicken

Electronics Forum | Tue Jun 09 13:08:30 EDT 1998 | Earl Moon

| | | Hello, | | | Some time ago before I was an engineer the company that I work for now made it a company policy to not allow hot air leveling for reasons that I do not know about yet. All I know that this policyt agreed with the MIL standards at

Re: TCP solder / desolder / rework

Electronics Forum | Tue Jun 09 09:40:47 EDT 1998 | Wolfgang Hantz

| We offer an upgrade service for notebooks with 486 SX/DX CPUs up to 586-133 MHz using the AMD 5x86-133 MHz CPU in the PQFP package. We are pretty succesful with this service and until today we did more than 1000 notebook upgrades this way. | Now,


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