Electronics Forum | Wed Nov 06 12:52:24 EST 2002 | Chris Lampron
Hello Everyone, I have been noticing a trend. Many tray packaged parts are now being supplied with velcro straps to secure the trays. Am I wrong in thinking that this is a major source of static electricity? All of these components are BGA, QFP, TSOP
Electronics Forum | Thu Apr 07 06:10:08 EDT 2005 | siverts
There are some equipment out there for this purpose, that roll some type of "sticky paper" over the pcb. BUT with this type of equipmnent, there is a high risk of loading up the pcb:s with static electricity. Therefore You must consider to use some o
Electronics Forum | Tue Mar 31 20:06:44 EDT 2009 | davef
Have you talked to people [Specialty Coating Systems 800-356-8260 317-244-1200 scscoatings.com/parylene_equipment/omegameter.aspx] about repairing your Omegameter? Major differences between the testers are: * Ionograph measures conductivity, while t
Electronics Forum | Wed Nov 10 15:08:18 EST 1999 | John Thorup
I would be afraid to have this kind of basket holding my boards. Yes, in most cases, you would not get damage if the boards were closed inside of a good, metalized (silver colored) ESD protective bag. The problem is that the boards usually have to c
Electronics Forum | Wed Aug 13 12:58:32 EDT 2003 | babe
Lets try this again, Every shelf system should be grounded individually. Every six feet per EOS/ESD requirements. Do not daisy chain anything. Secondly, Depending on the depth of paint,style of pain that your shelving system has. A static charge woul
Electronics Forum | Wed Oct 27 17:59:54 EDT 1999 | John Thorup
How about some of the more rigid materials like the commercial fixture manufacturers use to machine solder/assembly fixtures from? Glastic, an anti-static version of Delmat and proprietary materials from MB manufacturing come to mind. Search the arc
Electronics Forum | Fri Jul 30 16:43:28 EDT 1999 | Dreamsniper
Surface Mount Components like QFP's in Tray usually comes sealed in an anti-static plastic pack. In case the QFP's were removed from the said anti-static bag for more than 2 weeks, do these components needed to be baked for they might produce solder
Electronics Forum | Thu Apr 09 18:02:03 EDT 1998 | Ron Beasley
| Has anybody heard of a shield to shield the cutter from | flying leads during hand cutting of through hole components. | If it collected the leads also that would be helpful. | I am thinking of plexiglass or something that the board | could be plac
Electronics Forum | Thu Apr 18 17:30:09 EDT 2002 | davef
It's a reasonable recommendation. Look here http://www.safetyinfo.com/safetyinfo/html/aa-guest-info/s-talk-chem-bonding.htm These will get you started: * http://www.princeton.edu/~ehs/labmanual/sec7-2.html * http://www.ccohs.ca/oshanswers/prevent
Electronics Forum | Sat Jul 03 08:52:19 EDT 2004 | davef
Q1: What's the difference between static and dynamic viscosities? A1: Static viscosity is the viscosity of the solder paste as it is dispensed off of a tube or syringe onto a screen printer. Dynamic viscosity gives the variation in the thixotropic b
