Electronics Forum | Sun Feb 23 19:55:21 EST 2003 | bayanbaru
Anyone has the Front End Checklist (From printing, chip placement up to reflow and post solder inspection)to share? I am planning to introduce the checklist to Production line. What are the some of the to do list to watch?
Electronics Forum | Mon Nov 27 17:23:56 EST 2000 | Dave F
Thanks guys. Following on Cal's point ... we ordered a recently released IPC guideline, seeking closure. 7525 - Stencil Design Guidelines This new document provides guides for the design and fabrication of stencils for solder paste and surface-mou
Electronics Forum | Sat Jun 04 08:51:26 EDT 2005 | pjc
IPC-7525 is a document that provides guidlines for the design and fabrication of stencils for solder paste and surface-mount adhesive. This is the first time this important information has been collected and published in an industry consensus documen
Electronics Forum | Wed Dec 13 20:22:37 EST 2000 | Dave F
George We use a 0.030" dot. Here's a link for aperture sizes for adhesive printing from Alpha. http://www.alphametals.com/products/techarticles/soldrpstncl/guidelines.html Here's a link for aperture sizes for adhesive printing from Heraeus. http:/
Electronics Forum | Thu Aug 17 13:26:53 EDT 2000 | John
Thanks for the responses. Actually we already use a reel change log with two verifications, a first off checklist with two verificaitons, and a first off inspection with two verifications. Unfortunately, the part numbers were pretty close, and the
Electronics Forum | Fri Jul 27 09:00:46 EDT 2001 | wbu
Hi Darby, you must have read my thoughts about the stuff we are dealing with. Think I�ve got to hide your message from my boss it may lead to the decision that I�m not allowed to read this and other forums anymore ;-). We still need optical inspect
Electronics Forum | Tue Jan 23 11:25:44 EST 2001 | aiscorp
The system will definitely increase efficiency when deployed properly and personnel are trained to fully utilize its benefits. Cultural acceptance at every level of the organization is critical for such a totally integrated system. With regard to I
Electronics Forum | Wed Feb 26 21:38:08 EST 2003 | jonfox
1. First and foremost is paste alignment. If you start out of the gates with a bad paste/pad relationship, it will be nothing but problems down the line. AOI is not required, but dial in the alignment, QC if necessary, then introduce the boards to
Electronics Forum | Mon Apr 21 13:48:32 EDT 2003 | davef
ISO 9001-1994 and ISO 9001-2000 are significantly different regarding 'process'. In the 1994 version, processes were considered to be routine manufacturing processes [eg, drill a hole]. In the new ISO, a 'process' is more global and covers anything
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