Electronics Forum | Wed Jun 19 08:51:49 EDT 2002 | davef
Try this: * Remove PTH components that cannot resist baking like, plastic sockets & electrolytic capacitors. [NOTE: It may be econonomic to sacrifice some of the PTH components that cannot resist baking.] * Bake the board. * Remove, reball, and repla
Electronics Forum | Tue Jun 25 09:29:50 EDT 2002 | CPI
I�m looking for some type of fastener to secure identification tags to boards. The method would be inserting through a tooling hole on the brd .25� npt. We had been using nylon fasteners much like those used in the garment industry. However I am look
Electronics Forum | Wed Jun 26 09:01:47 EDT 2002 | davef
Can�t see where �poly� would be any more �ESD friendly� than nylon. Explain that please. Consider: * Attaching tags with metal wire that has no insulation. * Contacting a factory sales rep that specializes in ESD protection and carries a large numb
Electronics Forum | Mon Jul 29 11:28:09 EDT 2002 | yngwie
Is there a difference between the Nitrogen cabinet vs Dry cabinet ? How does this helps in creating safe environment for MSD storage. I felt puzzled when my customer rejected me coz' I'm using the Nitrogen cabinet instead of dry cabinet. Except for t
Electronics Forum | Mon Aug 05 03:03:50 EDT 2002 | jkhiew
Hi all, I had some old stock of CEM1 pcb: a. How long & under what temp. condition shall I bake it to eliminate the trapped moisture ? b. Is the baking time & temp. different for 3 yrs old stock, 2yrs old stock & 6 month old stock ? c. For CEM1 pcb,
Electronics Forum | Fri Sep 13 14:21:49 EDT 2002 | blnorman
Run a test, but in our experience, yes you can reuse the paste. We ran tests on paste that was left on the stencil at the end of second shift, we put the paste back on the stencil the next day on first shift with no problems. You definitely want to
Electronics Forum | Thu Oct 31 15:32:33 EST 2002 | slthomas
Whoa, I have (for a long time) been under the impression that lead can only be absorbed via the mucus membranes, not through skin as in the hands. Did I miss something?? Not that I behave would much differently, other than donning gloves whenever I
Electronics Forum | Thu Nov 07 17:15:19 EST 2002 | slthomas
We have ESD safe velcro hook soled shoes for our operators. It keeps them at their machines. Seriously, everyone I've seen using it just uses heel straps and vacuums the carpet. Granted, many of them looked like they could use a shampooing, but I d
Electronics Forum | Wed Feb 05 12:14:55 EST 2003 | slthomas
Increasing the score depth enough to make manual depaneling safe may very well make the panel useless, depending on your automated processes and handling requirements and methods. We use depanelers daily, hourly, even. We prefer to route the boards
Electronics Forum | Fri Aug 08 14:21:10 EDT 2003 | bman
Hello all, I'm working at a CM with less then ideal material storage shelving when it comes to ESD protection. I've got ordinary painted shelving units that I need make ESD safe. I'm considering dissipative mats or spray coatings for each shelf, t
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