Electronics Forum | Fri Jul 24 12:02:06 EDT 1998 | Steve Gregory
Stoney, One thing you might do before you start dispensing epoxy, (...I know this might be a bit of a pain) is to run your boards on the mesh belt instead of the edge-rail conveyer. I used to have to do that with some very,very dense double sided mem
Electronics Forum | Wed Jul 22 17:37:54 EDT 1998 | Jim Lewis
Does anyone have an idea of what a good placement rate (pph) is for a low volume, high mix smt line? We do small lots (10-300pcs), with a feeder count that ranges from 28 to 130 per setup. We have low volume machines (an old (real old) Siemens HS-180
Electronics Forum | Mon Jul 20 15:11:34 EDT 1998 | Scott McKee
| QFP's are best left the professionals. There are MANY subtle issues with fine pitch lead forming such as critical tool design issues ability to check critical dimensions etc. Unless you want to replow this grown in hopes of getting a promotion or
Electronics Forum | Wed Jul 22 00:43:05 EDT 1998 | P.L. Sorenson - Technical Consultant
| Who knows something about the reliability of plasti PEMS and its enhancemant by application of conformal coating (Parylene, metal, SiO2, SiNxOx, etc.) ? My personal experience using PEM for military avionics applications has been very positive. H
Electronics Forum | Wed Jul 22 15:48:35 EDT 1998 | David Pinsky
| | Who knows something about the reliability of plasti PEMS and its enhancemant by application of conformal coating (Parylene, metal, SiO2, SiNxOx, etc.) ? | My personal experience using PEM for military avionics | applications has been very positi
Electronics Forum | Wed Jul 22 11:31:37 EDT 1998 | Russ Miculich
Yes, there is a way to print solder paste into through holes as well as for SMT devices. I suggest you contact Alden Johnson at MPM in Franklin, MA (website info at http://www.mpm.com) about what he has done here. The trick in getting the solder pa
Electronics Forum | Fri Jul 17 21:55:34 EDT 1998 | Sergio Corcuera
| | Is there anybody with knowledge in the process with PHT components (Components with terminals) - Cause with make board with top and bottom side, with SMD and Auto Insertion Technology. So we want to do a Entire Cell with both technology, and wit
Electronics Forum | Fri Jul 24 07:03:47 EDT 1998 | Wayne
| Everyone- Ben: You are 100% right. Too often we seem to drift into the pitfall of knocking a product or company and the end result might just be that we did not know how to use the equipment or material. As for myself, I have found that when I h
Electronics Forum | Fri Jul 17 06:49:28 EDT 1998 | smd
| Have you tried the TETRA frame with exchangeable stencil foils? | See how the TETRA frame works by looking at www.micromet.co.uk. | The frame to use with the DEK is now available in the U.S. | Call me at (408)562-2033 for more information. | You'l
Electronics Forum | Tue Jul 14 15:09:16 EDT 1998 | Steve Gregory
| Dear Colleagues: | I am looking for quantiative data on comparing the effects of depaneling/routing versus other forms of singulation specifically shearing, | I need data not opinions. | Thanks in advance for your help. | Sincerely, | B. Decker
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