Electronics Forum | Tue Sep 21 14:25:40 EDT 1999 | Howard Leveque
Corvis has requirements for pc manufacture, parts procurement, and board assembly. This is to include boards of up to 10-12 layers, and down to 0603 SM components. If all of these are what you do, please contact me at: Corvis Howard Leveque 443-25
Electronics Forum | Tue Sep 14 05:59:16 EDT 1999 | Edmund Loh
Can anyone out there pls enlighten me on how to solve chip tombstone defects. I am running a board with a lot of 0603 chip. i had fine the profile and the alignment, but it still happen randomly on the board itself. Is there any other way to solve t
Electronics Forum | Tue Sep 14 04:56:43 EDT 1999 | Edmund Loh
I am running a board with a lot of 0603 chips ans i'm experience tombstone problem randomly on the board itself. Can anyone out there pls give me advice on how to solve this problem. Thank You.... Rdgs...
Electronics Forum | Mon Aug 09 05:05:41 EDT 1999 | Brian
2 �S-cm at the moment of reaching the boards). The boards were tested immediately after cooling and conformally coated, using a PMMA product, with extremely high resistance, reasonable protection and good repairability but, of course, very tender che
Electronics Forum | Fri Jul 23 10:20:03 EDT 1999 | Mark D. Milward
Has anyone ever heard of testing solder paste quality by pasting a board and making a determination of the quality by measuring paste height and width after the board is pasted. Would you consider this a valid test for solder paste testing?
Electronics Forum | Wed Jun 23 10:33:02 EDT 1999 | David Reese
We are reflowing boards that have glop top components mounted on them. Do glop tops have the same moisture sensitivity as fine pitch? Should we be baking the boards prior to reflow?
Electronics Forum | Fri Jun 18 15:56:33 EDT 1999 | C.K.
Has there anyone bold enough to try this in their shops? My cubemate just got through telling me that at his last shop, they had bare copper boards (no HASL, no OSP, no nothing), with minimal solderability problems.
Electronics Forum | Thu Jun 17 10:20:15 EDT 1999 | Brian Wycoff
| | | Dear All, | | | | | | We are having a big debate over what is the industry standard in DPPM on the wave sodlering process. is a DPPM of about 800 satisfactory. As per our big bosses it should not be more than 50 DPPM. Is the figure realistic
Electronics Forum | Sat Jun 05 07:09:54 EDT 1999 | Earl Moon
| Where I can find some informations about repairing of SMT boards? | | Thanks | | Marcos | A first place to start is IPC's 7711 and 7721 encompasing repair, modification, and rework procedures. Earl Moon
Electronics Forum | Mon Jun 07 01:44:11 EDT 1999 | Joe
| | Where I can find some informations about repairing of SMT boards? | | | | Thanks | | | | Marcos | | | A first place to start is IPC's 7711 and 7721 encompasing repair, modification, and rework procedures. | | Earl Moon |
