BGA Rework(6 large pages, 48 photos) by Earl Moon - Proof Of Design (POD) This article is written to ensure everyone interested in this vital operation more insight into effective, efficient BGA rework operations. Operations personnel use specified and approved repair and rework equipment, tools, procedures, and attendant process management elements to effect and assure quality rework operations. This is done to assure acceptable solder joint and product quality.
Installment One: DFM/CE - What's It All About Anyway?
I want to thank you all for having me in your homes, hovels, gyms, places of worship, massage parlors, other entertainment venues where "quality" literature is enjoyed - or even workplaces this month and, hopefully, months following. Easy to see where this is going. It can go but in one direction. I especially want to thank Cunli and all the folks at SMTnet making it possible for me to affront all your sensibilities and logic concerning what else but design for manufacturing through concurrent engineering (DFM/CE).
What's it all about anyway? So what's the big deal? It's just another self-help or improvement program for the masses, isn't it? For most but about 30%, I'm guessing, of us - it is. I mean, only the minority use DFM/CE and they're mostly people we never hear about anyway. They're the Rockwell's, Hughes Aircraft's, Lockheed's, Boeing's and all those other damn aerospace types who have only been using it for about 50 years. I could go on and say there are about 30,000 sub-contractors contributing to the space shuttle's success, but you already know that. You also know, as complex as that program is, CE runs rampant up and down the food chain (from the first customer/supplier to the last) to make it possible. Talk about contract manufacturing! So what's in it for us?
This column's first installment is little more than an introduction to the definition and tools used to design product that can be manufactured more efficiently and effectively within a process managed organization - or sub-contracted outside it. It all starts at the beginning. It all starts at the design phase while carefully considering all processes following and the impact they will have on a design and visa versa.
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