Electronics Forum: (4) (Page 543 of 662)

Re: Fond Farwell II

Electronics Forum | Wed Apr 14 20:04:26 EDT 1999 | Dave F

| OK, this is it. This is the reason, root cause, and all that other technical stuff. Only thing is, it ain't technical. | | 1) I hate registering for anything | 2) I hate being cooped up | 3) I want freedom | 4) This ain't no 60's thing | 5) I'm n

Re: Fond Farwell II

Electronics Forum | Thu Apr 15 16:22:30 EDT 1999 | Nancy V

You got me curious. Why are you asking if I like Mexico? Nancy | OK, this is it. This is the reason, root cause, and all that other technical stuff. Only thing is, it ain't technical. | | 1) I hate registering for anything | 2) I hate being coop

Re: Fond Farwell II , Let me get this straight?

Electronics Forum | Thu Apr 15 18:21:23 EDT 1999 | Jeff Sanchez

| OK, this is it. This is the reason, root cause, and all that other technical stuff. Only thing is, it ain't technical. | | 1) I hate registering for anything | 2) I hate being cooped up | 3) I want freedom | 4) This ain't no 60's thing | 5) I'm n

Re: AOI

Electronics Forum | Fri Apr 16 12:05:58 EDT 1999 | Wade Oberle

| I've just come back from Nepcon West and I'm just as confused about AOI as when I left. Is anyone out there really happy with their equipment and getting the results they expected? I would like to know about programming time and equipment reliabili

Re: 2% silver solder paste

Electronics Forum | Tue Apr 13 09:11:54 EDT 1999 | Dave F

| We process both tin/lead plated boards and gold plated boards in our surface mount group. I have used Sn62/Pb36/Ag2 solder paste on all gold plated boards to help prevent gold scavaging. To reduce the amount of different solder pastes we have to

Re: About the current issues of surface mount devices

Electronics Forum | Tue Apr 13 23:35:44 EDT 1999 | Jeff Sanchez

| | Hello. | | | | I'm now investigating the current technological issues | | on surface mount devices. | | For example, I want to know the limitation of | | the surface mount machine. | | | | Where can I get the materials for this purpose? | |

Re: About the current issues of surface mount devices

Electronics Forum | Tue Apr 13 23:41:15 EDT 1999 | Jeff Sanchez

| | | Hello. | | | | | | I'm now investigating the current technological issues | | | on surface mount devices. | | | For example, I want to know the limitation of | | | the surface mount machine. | | | | | | Where can I get the materials for thi

Discoloring of Soldermask and silkscreen

Electronics Forum | Mon Apr 12 19:28:26 EDT 1999 | Tom B

Netters, When I reflow a PCB there is a discoloration of silkscreen and mask. It appears if Profile is too hot! But I dont think so, maybe I'm wrong? 1. Kester 293 no clean 2. 2.1 C/s for 30s to 150 C 3. .5 - .7 C/s for 60s to 185 C 4. 1.5 C/s u

Re: Discoloring of Soldermask and silkscreen

Electronics Forum | Tue Apr 13 18:11:00 EDT 1999 | Jimmy Strain

| Netters, | | When I reflow a PCB there is a discoloration of silkscreen and mask. It appears if Profile is too hot! But I dont think so, maybe I'm wrong? | | 1. Kester 293 no clean | 2. 2.1 C/s for 30s to 150 C | 3. .5 - .7 C/s for 60s to 185

Re: Discoloring of Soldermask and silkscreen

Electronics Forum | Mon Apr 19 11:21:03 EDT 1999 | Travson

| Netters, | | When I reflow a PCB there is a discoloration of silkscreen and mask. It appears if Profile is too hot! But I dont think so, maybe I'm wrong? | | 1. Kester 293 no clean | 2. 2.1 C/s for 30s to 150 C | 3. .5 - .7 C/s for 60s to 185


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