Electronics Forum | Tue May 05 11:05:53 EDT 2015 | billmeye
Brian, thank you for taking time to discuss your buying experience, I read your link and it was very thorough. I also work for a small CEM using Mydata equipment. We have had Mydata going back to 1998 but truely are looking for something simpler. F
Electronics Forum | Thu Aug 19 14:54:44 EDT 2010 | jamyboy
Has anyone out there successfully switched from First Pass Yield to DPMO metrics and most importantly, sold MGMT on the change?
Electronics Forum | Tue Feb 28 17:22:23 EST 2006 | dave
All, I am currently trying to run a quantity of boards thru my wave machine but I am having serious issues with hole-fill or lack of aswell as others. The boards are HASL finish and due to materials issue they have been waiting for Wave Solder Proce
Electronics Forum | Thu Sep 06 11:24:56 EDT 2018 | davef
pdf "BGA Stencil design guideline for avoid bridge" As you would expect, Google found 40,000+ results in less than a second One of my favorites was Power Point Presentation by Greg Smith [gsmithATfctassembly.com] at FCT Assembly: "Improve SMT Assem
Electronics Forum | Mon Jun 29 07:17:25 EDT 2015 | donlockard
Seho maxi wave 3240 should be considered as well. Invented full tunnel nitrogen systems that have lower operating costs and provide yields unlike what can be achieved by air wave systems.
Electronics Forum | Wed Jan 28 16:42:21 EST 2004 | davef
Consider what you are trying to assess. Any product with one or more defects will cost you money. Your supplier should be using: 9261 - In-Process DPMO and Estimated Yield for Printed Board Assemblies You should be using: 7912 - Calculation of DPM
Electronics Forum | Sun Sep 03 10:05:36 EDT 2017 | unisoft
Hi Unisoft's ProntoGERBER-CONNECTION should help you. ( http://www.unisoft-cim.com/gerber_connection.htm ) -------------- ProntoGERBER-CONNECTION ( http://www.unisoft-cim.com/gerber_connection.htm ) imports raw Gerber data and allows the user to ad
Electronics Forum | Thu Oct 23 21:15:15 EDT 2008 | ikonify
Has anyone been using the following documents for DPMO and any feedback on them? IPC-7912 - Calculation of DPMO & Manufacturing Indices for Printed Board Assemblies IPC-9261 (In-Process DPMO Estimated Yield for PWA) Also is there any databases rea
Electronics Forum | Mon Jan 29 16:04:29 EST 2007 | BillW
Thanks Russ and John, To clarify defects when manufacturing a PCBA, I use (2) groups of defect categories, one for components and one for solder joints. These can be calculated separately or combined A component defect could be: Missing, Miss-alig
Electronics Forum | Wed Dec 07 08:57:19 EST 2011 | edmaya33
5K with perform Head is amazing.You just need to make sure that during debug mode, the score should be 90%. Polarity, position, bridge, flip/tombstone/billboard, present/absent and solder condition ( and even OCR/OCV )is remarkable. Acceptance level
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