Electronics Forum | Mon Oct 09 13:36:30 EDT 2006 | ppminc
Phil, The QSA-30 was built by Sam Sung, Sold by Quad. Single Head 2 Nozzles around 11K CPH Quad does not support the machine but I believe you can get parts direct from Sam Sung. I am not sure if they have a registration fee. The QSA used Quad made
Electronics Forum | Fri Aug 03 15:20:18 EDT 2001 | stmerkt
The press release attached below provides some insight into the direction Tyco is planning to head with the Automation Group. For Immediate Release Tyco Electronics Expands Automation Group; Offers Quad Systems Assembly Equipment Quad Systems
Electronics Forum | Wed Sep 08 14:21:21 EDT 1999 | JohnW
| | | | Last Thursday I resigned from my position as manager of SMTnet. I want to personally thank all SMTnet viewers, editors, customers, colleagues, and others for your support to me in the creation and expansion of SMTnet over the last four years
Electronics Forum | Thu Jan 21 19:38:24 EST 1999 | dean
| Hello, | | I will be evaluating and qualifying two equipment types. The first is a fountain soldering device. I need practical advice on all the stuff you guys and gals know about as good, bad, ugly, best applications, setup, limitations, and all
Electronics Forum | Thu Jan 21 20:22:02 EST 1999 | Earl Moon
| | Hello, | | | | I will be evaluating and qualifying two equipment types. The first is a fountain soldering device. I need practical advice on all the stuff you guys and gals know about as good, bad, ugly, best applications, setup, limitations, an
Electronics Forum | Tue Sep 04 13:41:52 EDT 2001 | Brian W.
IPC7912 deals with the end result, ie an OEM getting boards from a contract manufacturer. I have a friend who is sitting on these committees. He tells me there is a new standard due out for actually doing in-process DPMO. From a process standpoint
Electronics Forum | Mon Jun 08 14:52:16 EDT 1998 | Gary Simbulan
| Earl, et al, | Boy things get old and cold around here fast. I promised more detail on my capactior problem and I thought I could drop something completely different in the same message and tell a tale of solder balls. | First the caps. We stil
Electronics Forum | Mon Mar 03 13:22:20 EST 2003 | MA/NY DDave
Hi I see David F already gave a good answer. The basic advantage, if you can afford it, is a more stable PCB during the soldering process. Higher Tg enables this. Also some materials serve to match CTEs (coefficient of thermal expansion) a bit bett
Electronics Forum | Tue Aug 28 12:05:42 EDT 2001 | mparker
The advantage of DPMO is that the numbers used are PPM, (Part Per Million), rather than percentage. Percentage can distort, depending on volume. For instance, 100 units processed, 25 defects found = 75 percent yield. 4 units processed, 1 defect found
Electronics Forum | Tue Aug 28 13:46:46 EDT 2001 | mparker
To clarify on "Opportunities"- With 1000 components, the opportunities are far greater than 1000. You have 1 opportunity per component for a component defect i.e. bent lead, damaged part, tested bad, etc. You have a second opportunity per component
