Electronics Forum | Fri Mar 02 12:23:57 EST 2001 | kerryn
I recommend that you checkout the OnBoard Forum on Stencil Cleaning. You have to enter it via the SMTnet Home Page. I tried going through the OnBoard Forum link and could not see the data. Must be a software glitch. However, there is more informatio
Electronics Forum | Mon May 28 17:43:33 EDT 2001 | davef
Does this device have a integral heat sink / metal slug on top, like a TI TM320C6XXX er a Altera EP20K4XX? Compare the size of the pads on the interposer and the board. Compare the type solder mask [NSMD vs SMD] on the interposer and the board. Wh
Electronics Forum | Thu Jul 20 12:51:50 EDT 2000 | Tekguy2000
We are currently running boards with resistor paks on the solder side of the board introducing these to the wave solder. We cannot get rid of shorting between the leads. We are using a water soluble acohol based flux. The option of going to selective
Electronics Forum | Thu Jul 20 14:31:20 EDT 2000 | Bob Willis
The process is not that difficult so have a go as soon as possible. Take a board wipe some paste on a board stick the part in and run it through the reflow process. Don�t worry about balling just see what you get first, that what I did first ! The m
Electronics Forum | Thu Jun 28 13:48:46 EDT 2001 | markhoch
One more place to check, ( if cracked caps are apearing in the same location on all boards), are board supports in your pick and place machine. I've had instances where operators are not tightening board supports down causing them to shift during pro
Electronics Forum | Fri Feb 11 14:11:51 EST 2000 | jseagle
To be more specific we have a single Contact 3AV that can run the board in question in 5 minutes from placing the board into the machine till the time it comes out. Volume is expected to be low initially but expected to pick up. It just doesn't fe
Electronics Forum | Wed Nov 17 12:12:30 EST 1999 | Wendy Casker
Well, I was using a quad QSV-1 for boards this size. Not the fastest, but it was able to handle the large boards in a pass through machine. Keep in mind the board thickness, as well. Anything over 0.2" will not fit in the clamps of the conveyors.
Electronics Forum | Mon Oct 11 09:56:00 EDT 1999 | D Scott
A board shop rep contacted me about a process were solder paste is applied to the board as part of their mfg. process thereby eliminating the need for paste application at the assembler. This is a new one I have never heard of, but am willing to sit
Electronics Forum | Thu Jun 10 04:52:36 EDT 1999 | Gyver
Hello all! Recently we got a problem about the Funtional test. Some boards passed tests by using the auto-fixture(vacuum), but failed by using manual test fixture(need to plug CPU, DIMM etc.). The error symptom is no picture. We doubt it's the proble
Electronics Forum | Thu Jun 10 04:54:10 EDT 1999 | Gyver
| Hello all! | Recently we got a problem about the Funtional test. Some boards passed tests by using the auto-fixture(vacuum), but failed by using manual test fixture(need to plug CPU, DIMM etc.). The error symptom is no picture. We doubt it's the pr
