Electronics Forum | Fri Sep 01 10:12:06 EDT 2006 | dmascare
I forgot to mention, for the 60K rpm spindle with 13" X 19" work area I am in about the $21K to $24K price range. The 6K price differential is due to t-tech offering a 15% percent educational discount. LPKF would only give me at most a 3% GSA disco
Electronics Forum | Tue Sep 19 10:10:33 EDT 2006 | slthomas
Darby, these are "point one percenters", and are all/both white on black. I think it's a manufacturer's prerogative as to how they're marked (not really a standard, but a convention) so who knows. As far as getting a better meter, I'm still waiting
Electronics Forum | Mon Nov 13 21:24:19 EST 2006 | davef
You said your gold processing is immersion. More importantly, what is the process used for your nickel? Electroless correct? What is the percent by weight of phosphorus found in your analysis? How many times was the nickel plated? [You should be a
Electronics Forum | Wed Aug 01 08:55:02 EDT 2007 | pavel_murtishev
Good afternoon, The last percent might be using Valor�s software :-) This is a cure for production I must say. They have developed next Valor�s version called Vplan. It has virtual sticky tape module and you can check first piece on PC by means of i
Electronics Forum | Mon Jul 14 07:49:50 EDT 2008 | edmaya33
Do we really need to follow the IPC J-STD-001 Solder purity? If so, how to effectively balance the chemistry of Sn63/Pb37 other than adding a pure tin on the solder bath? Is this really needed to monitor in monthly basis?How many kgs of pure tin pe
Electronics Forum | Tue Aug 19 15:27:50 EDT 2008 | realchunks
I could break it down for you, but to most - being Asian is just that, being Asian. I would say I am 75% Chinese and 25% percent "other". Breaking down that part would take too long, so my picture will have to do. The point I was making was I am n
Electronics Forum | Thu Jan 15 15:16:56 EST 2009 | jsherrow
We recently had our customer report a component failure trend of a few percent. Analysis indicates wire bond failure internal to a d-pak caused by what appears to be chlorine contamination. We're running a lead free process with aqueous wash. 700 co
Electronics Forum | Fri Oct 30 09:19:46 EDT 2009 | cab
We have performed some EDS analysis and found high percent (approx 18% ) of Ni on surface of gold pad. Found Tungsten as well. This is an HTCC alumina package. Thickness of gold was confirmed and found to be in spec. We believe we are dealing wi
Electronics Forum | Tue May 11 10:58:51 EDT 2010 | davef
Paste for dispensing differs significantly from paste for printing. [B Toleno Henkel Loctite]. So, if you compare paste characteristics: Characteristic of paste||Printable ||Dispensable Viscosity [million centipoise]||0.8 to 1||0.2 to 0.4 Metal cont
Electronics Forum | Mon Sep 16 13:29:37 EDT 2013 | larrygroves
a lot depends on the age and type of equipment you are using . Older equipment can have a lot of problems with smaller parts. If all is well with your feeders and machine you should expect something like 99.8 to 99.9 percent. some parts will be ident
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