Electronics Forum: used (Page 2266 of 2487)

Re: Plating Processes

Electronics Forum | Fri Oct 30 01:07:34 EST 1998 | Earl Moon

| I am a recently graduated Process Engineer. I am working for a company developing and manufacturing printed circuit boards. I am looking for a web link, magazine article, book, etc which describes the processes which happen at a board house. More s

Re: Wave Solder of SOIC/SOT Packages

Electronics Forum | Thu Oct 22 14:39:22 EDT 1998 | Chrys

| My company is looking for higher density for card layout. One suggestion has been locating active components packaged in SOT's and SOIC's on the B-side of the card. This in turn will require wave soldering of the above mentioned components. When I

Re: GEM SECS interface

Electronics Forum | Fri Oct 23 18:13:53 EDT 1998 | Dave f

| I am looking for detailed information on the SECS 2 protocol that is part of the SEMI General Equipment Module interface. I was not able to get detailed information from the SEMI web site and was not able to find anything on the web. | | I am look

Re: Avoiding Blood letting on stencil printer

Electronics Forum | Wed Oct 14 05:32:24 EDT 1998 | Tony B

| | | We suffered our first blood letting because of razor sharp edge clamps (DEK 265LT) and operator giving it the finger. While positioning magnetic tooling pins, one of our best slipped and really sliced off a part of his main digit. This will imp

Re: Voids - correlation with a not wetting PCB

Electronics Forum | Mon Oct 12 08:07:45 EDT 1998 | Earl Moon

| I have datas to substain that a not wetting PCB ( the HAL oxided or not uniform in thickness )if soldered in reflow, it shows voids with X-Ray inspection.The voids are in side all the joints not only on the solder pads levell. | | Is there a techn

Re: Solder paste print with two thicknesses

Electronics Forum | Thu Oct 08 22:20:44 EDT 1998 | Dave F

| | | I am trying to find out, what possibilities I have, to print solder paste on a board, when the task is to have 120 Microns thickness for the biggest part of the board (85% of the real estate), and then have 250 Microns of thickness on the rema

Re: Solder paste print with two thicknesses

Electronics Forum | Fri Oct 09 04:08:45 EDT 1998 | Thomas Blesinger

| | | | I am trying to find out, what possibilities I have, to print solder paste on a board, when the task is to have 120 Microns thickness for the biggest part of the board (85% of the real estate), and then have 250 Microns of thickness on the re

Re: Hot air knif in wave soldering

Electronics Forum | Mon Sep 28 10:12:53 EDT 1998 | Chrys

| Hello, | I need some users information about "Air knif" in wave soldering: | 1. Does it decreases bridging ? | 2. Is it self installed of a purchesed kit (if purchesed, who are the recomended vendors) ? | 3. Any other information about the issue. |

I got dem ol' backplane blues...(harmonica wailing in the background)

Electronics Forum | Fri Sep 25 17:01:41 EDT 1998 | Steve Gregory

O-H-H-H-H-H-H-H Lawdy, lawdy... My babuh done left me... my dawg pee'd on my leg... my cornflakes are all poopy... don't make me hafta beg... I got's dem backplane blues, o-h-h-h-h-h lawdy..." OH! Hi there! Scared me fer a second...heheh....caugh

Re: Wave Solder Fixtures: Biting the dust FAST!

Electronics Forum | Mon Sep 14 17:39:37 EDT 1998 | Steve A

| I am running composite fixtures on my wave solder machine and after about 500 passes each (1 month)they are showing serious signs of wear in that the composite surface is bubbling up and glass fibers are also starting to show. | The problem here


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