Electronics Forum: yield (Page 51 of 55)

aoi

Electronics Forum | Thu Sep 19 21:46:01 EDT 2002 | scottefiske

In the past year I was responsible for developing and leading a Team focused on AOI, Evaluation, Justification, and with a full ROI required, supporting a HMLV manufacturing environment. If you have in these economic times the additional resources t

MyData Missing Placements

Electronics Forum | Tue Jul 10 11:36:22 EDT 2007 | dyoungquist

Hi SMT Frog We are using an upgraded Mydata TP9-1 system to place 0402s. We do an electrical test plus mechanical centering and use the C14 tool. A few things we have observed/learned: 1) Is the machine not picking the part up out of the tape? Po

Re: Simutaneous Double sided reflow assy

Electronics Forum | Thu Jul 20 17:01:26 EDT 2000 | Bob Willis

Here is some further information on SDSRS process, but please purchase a copy of the report from t he SMTA as all the money goes to charity. In the UK the SMART Group raised over �3000 for the homeless. SMTA have been raising a lot of money for the G

Re: BGA repair/rework

Electronics Forum | Sat Mar 06 13:34:04 EST 1999 | Earl Moon

I'm having a fun time between BGA rework/repair using an SRT 1000 and SPC efforts (much easier) using DEK stencil printing processes and BTU reflow with 6 Fuji lines in between. Concerning the BGA stuff, I'm getting about 60% succes

Re: No Free Beer But...

Electronics Forum | Fri Oct 16 17:01:21 EDT 1998 | Justin Medernach

It seems like most people want to X-Ray their BGAs. We're going to start doing a lot more of them and need to consider X-ray, too. Q: Do most people/companies X-ray everyBGA or do they just do SPC? Q: Can you get

Re: No Free Beer But...

Electronics Forum | Sat Oct 17 10:24:12 EDT 1998 | smd

It seems like most people want to X-Ray their BGAs. We're going to start doing a lot more of them and need to consider X-ray, too. Q: Do most people/companies X-ray everyBGA or do they just do SPC? Q: Can yo

Books for SMT

Electronics Forum | Tue Jan 16 20:34:17 EST 2007 | davef

DAVE�S BOOKSHELF ASSEMBLER�S ESSENTIALS Title: Soldering in ElectronicsAuthor: RJ Klein WassinkPublisher: Electrochemical PublicationsISBN: 090115024XPublication date: December 1989 I know, I know. The book was written in 1989!!!! I use this b

Screen Printer

Electronics Forum | Tue Aug 02 15:05:38 EDT 2011 | davef

A couple of points: * Just a nit, 'screens' fell in disuse 10-15 years ago. Old habits die slowly don't they? * Yes, DEK and MPM each hold about 50% of the solder paste printer market and about 4 or 5 others hold the rest. SOLDER PASTE PRINTER EQUI

Re: Air-Vac stuff

Electronics Forum | Fri Aug 20 14:19:47 EDT 1999 | Earl Moon

I'm trying a second time to post this very important message, to me, concerning Air-Vac's following creation. Does any own and use this stuff successfully to remove solder from 20 layer and up MLB's with .020" diameter holes? Also, is any of the

Re: solder mask

Electronics Forum | Wed Aug 11 09:51:11 EDT 1999 | Brian

Easy goods-in polymerisation check: clean, white, cotton cloth: wrap it round a suitably gloved finger and pour a few drops of methylene chloride (! toxic) onto the end of the finger and rub it onto the bare board for a minute or so. If it come


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