Electronics Forum | Thu Jul 15 14:18:24 EDT 1999 | Gord Wait
I'm designing a board where the parts will only fit if I do one of the following: 1. Put BGAs on both sides 2. Put BGAs on top, smt TSOPs directly underneath and using blind vias to keep the real estate on the bottom side below the BGA parts. Can
Electronics Forum | Thu Jul 15 15:41:00 EDT 1999 | Doug
| I'm designing a board where the parts will only fit if I do one of the following: | | 1. Put BGAs on both sides | | 2. Put BGAs on top, smt TSOPs directly underneath and using blind vias to keep the real estate on the bottom side below the BGA pa
Electronics Forum | Thu Jul 15 16:59:57 EDT 1999 | Glenn Robertson
| I'm designing a board where the parts will only fit if I do one of the following: | | 1. Put BGAs on both sides | | 2. Put BGAs on top, smt TSOPs directly underneath and using blind vias to keep the real estate on the bottom side below the BGA pa
Electronics Forum | Thu Jul 15 21:18:27 EDT 1999 | Scott McKee
| I'm designing a board where the parts will only fit if I do one of the following: | | 1. Put BGAs on both sides | | 2. Put BGAs on top, smt TSOPs directly underneath and using blind vias to keep the real estate on the bottom side below the BGA pa
Electronics Forum | Tue Jul 13 13:58:50 EDT 1999 | JohnW
| We are looking to automate the paste printing portion of our SMT process. We are looking at used equipment from DEK and MPM from 1994 onward.(DEK 260 & 265 MPM AP20 & AP27) Does anyone have some feedback or concerns with any of these machines? Does
Electronics Forum | Tue Jul 13 16:50:20 EDT 1999 | Boca
| We are looking to automate the paste printing portion of our SMT process. We are looking at used equipment from DEK and MPM from 1994 onward.(DEK 260 & 265 MPM AP20 & AP27) Does anyone have some feedback or concerns with any of these machines? Does
Electronics Forum | Tue Jul 06 12:46:27 EDT 1999 | John Thorup
| | We are looking for some subcontractors to do surface mount | | technology boards for us. Is there anything I should pay specific | | attention when I visit the subcontractor's site? | | Thank you for any advice | | | Wolfgang has a good poi
Electronics Forum | Sat Jul 10 00:57:17 EDT 1999 | Scott
| who can tell me how viscosity measurements are really effective in smt process control? what can I monitor? Is it depending from fine pitch size? | Thanks a lot. | g. d'andrea | The last place I worked used a viscosity meter, funny how little was
Electronics Forum | Tue Jun 22 17:37:51 EDT 1999 | Dave F
| I was wondering if anybody could give an estimated cost of equipment maintenance per year for a complete SMT line for | a medium volume facility? | John: Budgeting for maintenance from two perspectives: 1 We budget 1 percent of the capital cos
Electronics Forum | Fri Jun 18 12:20:16 EDT 1999 | John Thorup
| Now don't everyone jump on this at once, but it seems time for me to send out copies of my not even close to being dated copy of an article about HASL. Though it was published in 1992, in Printed Circuit Fabrication Magazine, and it got rave review
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