Electronics Forum: pass (Page 131 of 142)

Re: pre-heat settings for wave solder - an answer to Gary's ? - Hi C.K. (Mini K)!

Electronics Forum | Fri Jun 23 12:30:24 EDT 2000 | Super K (Evil K)

To answer Gary's question: Gary, you will need a production board, thermal profiler, flux vendors product data sheet on the flux you intend to use, maybe your wave vendor service engineer or wave solder vendor contact (unless you know your wave) and

Re: pre-heat settings for wave solder - an answer to Gary's ? - Hi C.K. (Mini K)!

Electronics Forum | Fri Jun 23 12:32:20 EDT 2000 | Super K (Evil K)

To answer Gary's question: Gary, you will need a production board, thermal profiler, flux vendors product data sheet on the flux you intend to use, maybe your wave vendor service engineer or wave solder vendor contact (unless you know your wave) and

Re: Component Counter - THT!!

Electronics Forum | Thu Jun 01 22:56:58 EDT 2000 | Dave F

CK: Awww, just think how easy this is gonna be to make those others that wouldn't take this on look like whimps. Pass the ketchup please ... Bag the reps, they're good for lunch, but that's about it. Your equipment could have been made by a compa

Need Expert Support

Electronics Forum | Tue Mar 13 16:05:30 EST 2001 | rob_thomas

Hi, can you definitely attribute the 30%yield to poor bga soldering? What is your high flyer defect encountered on the failed boards.Is this ICT ,flying probe ,functional test yield? Can you determine a defect pattern? Did your subcontractor provided

Researching stencil cleaners

Electronics Forum | Wed Mar 28 17:22:18 EST 2001 | billschreiber

Hello Mike, Let me try to explain the Certification vs. Verification for you. There are two EPA programs. The California Environmental Protection Agency's Certification Program where Cal/EPA Certifies the entire cleaning process for environmental sa

AOI systems vs. X-ray

Electronics Forum | Fri Mar 30 11:04:24 EST 2001 | genny

We are already using ICT on the PCB, which should catch most missing components, also components installed backwards, or the wrong value(to a point - we do RF so we have lots of very small value caps and inductors which can't be measured), and in som

Non-Waveable SMT Caps

Electronics Forum | Sat Jun 23 08:29:04 EDT 2001 | davef

Well, at least I don�t feel so bad that we�re not the only ones going anal on this blankin� cap thing. We�re gunna change process on ever effin wave soldered SMT cap!!! I�m going to off myself!!!! And in about 15 seconds, some doodoo brain is goin

How to calculate the ROI

Electronics Forum | Tue Jun 26 19:59:08 EDT 2001 | davef

They always tell you to calculate ROI, when they want to blow you off. Do a net search using - calculate ROI. Links to three pretty good descriptions on this are: http://www.dmreview.com/editorial/dmreview/print_action.cfm?EdID=2487 http://www.eval

Re: Zero-Ion Ionic Tester

Electronics Forum | Wed Feb 02 12:11:31 EST 2000 | Dave F

Casimir: Resistivity of Solvent Extract (ROSE) testers measure ionic contamination by washing boards with a DI water/IPA solution. (No-clean people: Stop and go on to something else.) The testers are process control instruments used to monitor a

Re: un-tested assembled circuit reject rates

Electronics Forum | Tue Dec 07 14:21:41 EST 1999 | Brian W.

In my experience, the most commonly accepted theory is that 100% inspection is only 80% effective AT BEST. That means that if your inspoectors are happy, noy outside concerns, well-rested, etc, they will catch 80% of the defects. This number goes d


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