Electronics Forum: backing (Page 236 of 420)

Re: Aperture Reduction for QFP (fine pitch)

Electronics Forum | Tue Nov 09 13:12:26 EST 1999 | Dave F

Steve: Sure, but let's figure it out for you!!! ;-) Here�s some sample calculations. Your results may vary, void where prohibited, etc 20 PITCH: Pinched aperture volume: 0.010"X0.050"X0.005" = 2.5 uin^3 Zippered aperture volume: (0.015"X~0.5)

Quad Off line programming Problems

Electronics Forum | Tue Sep 14 16:45:20 EDT 1999 | Wendy Casker

Hey all, Just got a new PC whiz bang everything but the kitchen sink, and my Quad Gui software can't run on it. I keep getting insufficient memery errors. Any Windows gurus out there who can help? I can't figure out how to allocate the memory to m

Re: Quad Off line programming Problems

Electronics Forum | Tue Sep 14 17:38:04 EDT 1999 | The Guc

| Hey all, | Just got a new PC whiz bang everything but the kitchen sink, and my Quad Gui software can't run on it. I keep getting insufficient memery errors. Any Windows gurus out there who can help? I can't figure out how to allocate the memory

Re: 0201 components

Electronics Forum | Tue Sep 14 10:25:37 EDT 1999 | Earl Moon

| I'm hoping to use 0201 caps and resistors in a new design but so far have only found one company who makes such small devices (Murato). | | Can anyone direct me to any other supplier? | | Are there any particular problems associated with using s

Substitute parts

Electronics Forum | Tue Aug 31 13:54:50 EDT 1999 | David Spilker

Do any SMTneters out there have a good solution to substitute SMT parts that you are willing to share? I presume all of us have the issue where purchasing wants to buy "the same part" from a different vendor. While the part may be the same electrical

Re: Script error with Personal/Professional Links Edit Option

Electronics Forum | Tue Aug 31 13:24:07 EDT 1999 | Clifford Peaslee

Interesting... We will experiment with it, and see if it can be made to work as an active desktop item. I'll inform you of any new developments in that area. We have also been doing research into Microsoft's "channel" subscription technology. Thank

Re: Cylindrical diodes Missing during SMT process.

Electronics Forum | Tue Aug 24 04:05:15 EDT 1999 | Scott Davies

| Hello everyone, | We found many cylindrical diodes missing during SMT process. Could someone tell us how to prevent this problem? Is it effective to change the shape of stencil apture or reduce fan speed in reflow oven? Thanks in advance. | | Gyve

Re: Bridge on BGA

Electronics Forum | Wed Aug 18 21:26:08 EDT 1999 | Dave F

| Yesterday as I was creating a profile on a plastic BGA using Conceptronics freedom 2000 rework station, I happend to discover that I was able to remove solder bridging from a plastic BGA. | | This is what I did. | | Created a removal profile, I h

Re: CEERIS Benchmarking Studies

Electronics Forum | Wed Aug 18 21:24:55 EDT 1999 | Dave F

| CEERIS has been sending me flyers for some time, touting the value of their various studies and insights gained from digesting the facts contained within. The topics are indeed of great interest. My question is to whomever of you has purchased one

Re: Srceen Printing control parameters

Electronics Forum | Thu Aug 19 19:10:31 EDT 1999 | Brian Wycoff

| | | | Hello, | | | | | | | | Can any netters suggest what critical parameters should be considered & what are there assoicated impacts for a solder paste printing process ... | | | | | | | | B.Regards, | | | | Felix | | | | | | | I have a proce


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