Electronics Forum | Thu Apr 07 08:02:44 EDT 2005 | Grant
Hi, I used to run a clean room, and it's right, most of the dust is created internally. You will need to add some HEPA filtering to the area, and an air handling unit that can control temp and humidity as well to get correct environmental control.
Electronics Forum | Wed Dec 21 17:11:47 EST 2005 | Mike Dolbow www.atotalgps.com
Has any one considered the melting eutectic of the plated part verses the eutectic of the paste it self. Inter metallic solids can form when mixing metals. Thus this causes solder joint reliability. Also a lot of vendors are putting out pure tin prod
Electronics Forum | Fri Feb 10 15:14:08 EST 2006 | Chunks
Establish a profile board. It should be representative of what you normally run on a daily basis, size and parts wise. Attach dedicated thermalcouples so they are permanent and will not move or come loose. High temp solder is best. Establish a pr
Electronics Forum | Thu Jul 06 13:29:42 EDT 2006 | Chunks
Unfortunately it's not what you know, but who you know. Sounds like it in your case. Tread lightly as this guy may become your boss. It happened to me. New guy comes in, couldn't tell the "red stuff" from the "gray stuff" (adhesive / paste in cas
Electronics Forum | Wed Nov 01 22:58:31 EST 2006 | davef
Durastone is commonly used in flooring. Durostone is a proprietary product of R�chling Permali Composites SA [be aware this is a French company] that many use for reflow and SMT process pallets. Suppliers are: * R�chling Permali Composites SA; Canog
Electronics Forum | Fri Dec 08 21:26:44 EST 2006 | billwestiet
You already have some good answers. A chemical isolation zone for RMA is a good idea. If you are looking for new see the two references you have and Austin America. If you are looking for used, see us at http://www.ietechnology.net. We presently
Electronics Forum | Thu Jan 11 22:01:09 EST 2007 | davef
Joe: I know this is not the correct forum to post chip "reworking" questions. Reply: Rework questions are as appropriate as the next topic here on SMTnet J: BGA will not reflow at any normal temperature level. I believe these chips may have been gen
Electronics Forum | Thu Jul 10 13:34:43 EDT 2008 | rwyman
We have a Vitronics mySelective machine (model 6749, or "the Fat Bastard" as we affectionately call it). It's configurable with various combinations of "select wave" and "multi wave" pots. Ours has one of each. The "select wave" is for the most pa
Electronics Forum | Tue Nov 05 03:02:38 EST 2013 | hqew2013
Graphene could make the illusive terahertz laser possible circuit board, according to a recent report from the Max Planck Institute for the Structure and Dynamics of Matter in Hamburg. Sources of terahertz radiation, such as that used by those securi
Electronics Forum | Wed Feb 12 16:48:31 EST 2014 | gmcquoid
We are having an internal debate here related to minimum Conductor Width. Can you have your QA manager review this and advise. IPC-6012C-2010 3.5.1 Conductor Width and Thickness When not specified on the master drawing the minimum conductor width s
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