Electronics Forum: standing (Page 51 of 72)

Re: Adhesion loss on passives over wave

Electronics Forum | Fri Mar 19 05:08:24 EST 1999 | Vinesh Gandhi

Hey Marc, I am not sure about the kind of process you are following. Is it Gluing+paste printing on the bottom side or just gluing on the bottom side and paste printing on the top side. The relationship which I could think of between Bottom side

Re: Pre-heat for Ceramic Capacitors

Electronics Forum | Sat Mar 06 08:01:45 EST 1999 | Scott Cook

| Can someone please advise me to the rework procedure for removal and replacing Ceramic Chip Capacitors (e.g. 0805, 1206, etc.)? | | Is it necessary to pre-heat ceramic capacitors before soldering them onto a PCB with a soldering iron? Is this just

Re: Good Solder Joint Failures

Electronics Forum | Mon Feb 15 17:57:01 EST 1999 | Earl Moon

| Hope some of you out there can help me with this one. | I am getting feedback from our test department that they are showing opens on solder joints which have visually good wetting. The touch-up operators confirm that the joint looks good. All they

Re: Pace TF700, here's what it looks like...

Electronics Forum | Fri Feb 05 12:50:06 EST 1999 | Steve Gregory

| Love the picture. | | We are considering the PRC 1500. It combines a thermoflo unit with a MBT 250A which we currently use. Does anyone know the difference between the TF200 and the TF700? This is the first I have seen the TF700 mentioned. | |

Re: Glob Top Questions

Electronics Forum | Thu Jan 14 16:14:18 EST 1999 | Earl Moon

| Does anyone have any data or experience with voids in Glob Top applications? We are working with a RF application and I'm trying to find information on RF performance characteristics and moisture absorption on a glob toped devices. We have determin

Re: SPC on stencil printer

Electronics Forum | Tue Jan 12 19:07:07 EST 1999 | Earl Moon

| | For process management with SPC of the stencil printing process with a fully automatic stencil printer, what process outpur parameter would you recommend for SPC? | | | | It appears to me that there are two options: | | A: to have a pn chart bas

Re: here's one for you board stuffers!!!

Electronics Forum | Tue Jan 12 10:18:36 EST 1999 | Russ Steiner

| Any idea what the "industry standard" is for fall out on assembled PCB's? I realize that the controls put in place in your processes will effect your overall quality. But I'm trying for a general answer. On pre-tested assemblies, should you exp

Re: Wave Solder Fluxing

Electronics Forum | Tue Oct 27 10:15:54 EST 1998 | Chrys

| We have installed a Sonoflux atomized mist fluxing unit (Model 9500)on our Future 1 wave solder machine. We are concerned that the retrofitting of this unit may not have been appropriate for our equipment, as we are now experiencing many problems

Re: Used Equip. Experience

Electronics Forum | Mon Aug 24 15:23:47 EDT 1998 | Dana Wentworth

| I am interested in hearing about people's experiences with buying used pick and place and stencil printing equipment. For example, was the cost saving worth the experience, was technical support available before and after the sale, did you deal dir

Re: SOT-23-6

Electronics Forum | Fri Jun 26 16:23:14 EDT 1998 | Steve Gregory

Hi Dave! Yeah, they've been around a while, and they're pretty straight foward like you said. About the only things that I can think of that I've run across that causes problems with these guys is when they're used on the bottomside of the board


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