Electronics Forum | Tue Dec 21 15:16:48 EST 1999 | Christopher Cross
We had the same concern and decided to use 0603 components on the bottom of the board only if we reflowed both sides of the board.
Electronics Forum | Mon Dec 20 16:58:24 EST 1999 | Dave F
David: We build boards with BGAs wall to wall on both sides. May the issue you're concerned about is the thermal characteristics of your fabricated board. Good luck. Dave F
Electronics Forum | Thu Dec 09 13:41:13 EST 1999 | JAX
IF YOU READ FIDUCIAL MARKS THAT ARE PARALLEL TO EACH OTHER THE PLACEMENT WILL NOT BE AS GOOD. ONE OF THE PROBLEMS WITH THIS METHOD IS IT COMPLETELY THROWS OUT THE CONCEPT OF BOARD STRETCH IN ONE AXIS. THE OTHERS MAY VARY DEPENDING ON WHAT MACHINES YO
Electronics Forum | Tue Oct 19 19:15:23 EDT 1999 | stephenmac
I would like to know how to measure the moisture in pcb's. I have experienced blowholes and am sure it is the board manufacturer. What is the limit and is there any way to correct the problem when moisture rich boards are already in your process. Th
Electronics Forum | Wed Oct 17 04:52:17 EDT 2001 | Matt Kehoe
Dave, I know this is very dated but do you still need info in smd boards with the paste already on them??? I can help if you do. Let me know Matt Kehoe
Electronics Forum | Wed Oct 06 12:33:56 EDT 1999 | David Paluck
Our first article inspection after machine placement can take several hours depending on the complexity of the board. The operator visually checks the board against the drawing and bill of material. I'd be interested to hear if there are any other te
Electronics Forum | Wed Oct 06 14:55:02 EDT 1999 | Dave Peck
| Our first article inspection after machine placement can take several hours depending on the complexity of the board. The operator visually checks the board against the drawing and bill of material. I'd be interested to hear if there are any other
Electronics Forum | Fri Oct 01 09:25:50 EDT 1999 | Gian.D
Can someone suggest what material I have to use to protect components by electrical discharge on ptfe based boards? It should have high resistivity, thermal stability (-40 +70 'C),perfect adherence on ptfe... Many tahnks
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
