Electronics Forum: has (Page 1143 of 1227)

Re: FAQs, archives, and the never-ending story

Electronics Forum | Thu Aug 24 19:59:48 EDT 2000 | Earl Moon

Finally, Two big time, intelligent responses to my crap. Wolfgang, you do it right by answering real questions with real stuff. Steve, unless you are JAX or SUN (one in the same), those are fair comments. I do not mean to frighten anyone off the fo

Dark Pad / Gold Embrittlement?

Electronics Forum | Wed Jul 26 10:06:19 EDT 2000 | Doug Philbrick

I have read many of the past threads on both topics and I still am not convinced I know the answer to the soldering problem we are encountering. I am hopping someone can help. I have a dense SMT board we are building and have been building for some

Varistors that leak, political football anyone?

Electronics Forum | Wed Jul 12 09:45:16 EDT 2000 | Charlie

The following are questions my boss has ask me to send out to you folks. This is done in an effort to see "What does the rest of the world do?" [if such a world could possibly exists, in the first place]. If you would select any or all questions to r

Re: DFM / DFT information - Darn unmasked!

Electronics Forum | Fri Jul 14 16:29:12 EDT 2000 | Dave F

Awww John, if I typed all that folderol, my spell checker would have gone kaaablewee!!! Most of the stuff I listed is tactical, because I assume most people on the forum are DFM / DFT choir and by the time we get involved, some BIG $$$ consultant ha

Re: DFM / DFT information - Darn unmasked!

Electronics Forum | Fri Jul 14 16:29:31 EDT 2000 | Dave F

Awww John, if I typed all that folderol, my spell checker would have gone kaaablewee!!! Most of the stuff I listed is tactical, because I assume most people on the forum are DFM / DFT choir and by the time we get involved, some BIG $$$ consultant ha

Re: PCB Material selection

Electronics Forum | Mon Jun 26 20:34:14 EDT 2000 | Dave F

Gary: Allow expand on this topic a bit. Back in the gray skied past when people wore calculators on their belts, rather than pagers n Palms, and didn�t drink California spill, they used HASS that you mentioned and HALT (Highly Accelerated Life Test

Re: Perforated Tabs

Electronics Forum | Tue Jun 20 14:19:04 EDT 2000 | Chrys Shea

Hi Mike, The Hadco design guidelines are really good - I was just there. To expand on what Dave said, scoring is an option, but I've never had good luck with it, myself. The scores are either too shallow, and I can't break the boards easily enough

Re: Cost of solder joint rework

Electronics Forum | Tue Jun 06 14:05:22 EDT 2000 | Jeff Sanchez

Ray, I don't know for sure what exact data Ceeris used to come up with their figures. Did they account for shipping? Was the rework done by expensive equipment? When I read your thre

Re: Screen printing glue for wave soldering SMT components.

Electronics Forum | Fri May 26 05:54:40 EDT 2000 | Sal

For the past year now we have been printing adhesive with no real problems. Our printing ranges from 0603's to SOIC using a variation of aperture sizes and metal thickness foils. The crucial parameters are : aperture sizes : These obviously depend o

Re: Gold finger Protectors

Electronics Forum | Mon May 15 14:42:27 EDT 2000 | John Thorup

Hi Sal I've used the Stevens product for about 5 years and have nothing but good to say about them. pallets? can't say. The gloves simply extent the finger length by about 0.04" They come in 15" sticks so the length is up to you. Print/reflow contam


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