Electronics Forum | Wed Mar 31 20:34:45 EST 1999 | Peter
| Bob, | | Printing pages using Landscape is our recommended solution. We have had to accept the incovenience of printing when trying to maximize the usage of the screen area. Also, since we are not using frames, one can not print just the message
Electronics Forum | Fri Feb 19 10:33:16 EST 1999 | Michael Nguyen
I need some help to see if anyone knows of a vendor that makes a permanent marker that is in the Houston area that can write on a PCB the size of a grain of rice using white permanent ink...That's the amount of space we have to write our serial numbe
Electronics Forum | Mon Feb 22 23:09:21 EST 1999 | Chris G.
| I'm a 19 Year old singaporean student. | I need to do a report on solder paste dispenser. | i've search the net but to to avail. | Please help if you know anything about solder paste dispenser or have any info and pictures or charts of solder paste
Electronics Forum | Tue Feb 23 09:21:15 EST 1999 | Steve Schrader
| During inspection and test we find leads which do not get soldered. Some are because of insufficient paste, but with others everything looks right. This will only happen on 1 to 2 pins, and it is not isolated to a specific type of ic or location o
Electronics Forum | Tue Feb 23 09:09:34 EST 1999 | Steve Schrader
| What to look for that causes tombstoning and the corective action. | Check your land-patterns. If they do not meet IPC standards, change your CAD libraries to IPC (or some other industry accepted standards such as SMTPLUS). If you have "home-gr
Electronics Forum | Thu Feb 18 12:56:18 EST 1999 | Bob Barr
We are using .040" diameter fiducials (global and local) on our boards. They are solder covered and HASL. I get batches of boards where the p&p vision system has trouble reading the fiducial. The fiducial looks dark on the screen. The board vendo
Electronics Forum | Thu Feb 18 17:15:24 EST 1999 | Jason Gregory
Check this company out....Winslow Automation. They have a real easy "preform" for reworking BGA's. You just wick the old solder off, flux the packages, attach an appropriate preform, reflow it with a corresponding profile, remove the water-soluble pa
Electronics Forum | Wed Feb 17 15:56:22 EST 1999 | Tuffty
| Dear Al, | Are these reworked, double-sided boards? | | If you attempt to clean side #2 of double-sided misprint in a "spray" type cleaner, millions of solder balls can be broadcast throughout the same chamber as the populated side #1. Or, if thi
Electronics Forum | Fri Feb 12 19:02:21 EST 1999 | Jon Medernach
|As the squeegee shears the paste at the face of the stencil the vehicle used to contain the solder spheres compresses and expands out the top of the opening after the squeegee passes. This is 1 or 2 mil at most. The peaks should not be considered
Electronics Forum | Mon Feb 08 08:33:27 EST 1999 | Clifford Peaslee @ SMTnet
Hello all, Now that we have the new site up, we know there will be some bugs here and there, so please email me, so that I can act quickly. Some known problems at this time: 1. web email: cannot read attachments, java folder view doesnt work on all
