Electronics Forum | Fri Nov 13 09:58:46 EST 2009 | spitkis2
Dean, What sort of delta T are you getting on the 12" x 12" assembly?
Electronics Forum | Fri Jul 11 15:47:54 EDT 2008 | hegemon
We used these same type of parameters regardless of the QFN package size. We used componentes that ranged from 3x3mm to 12x12mm Same idea. The reduction in solder paste for the center pad is the key. Too much, and you wind up with no connects at the
Electronics Forum | Tue Jul 27 13:50:52 EDT 1999 | Mike Konrad
Aqueous Technologies manufactures the Zero-Ion ionic contamination tester. The Zero-Ion utilizes dynamic-based technology and has been assigned the highest equivalency value by the NAWC. It is among the most sensitive of all of the military-approved
Electronics Forum | Thu Jul 02 15:05:47 EDT 1998 | Tom Isaacs
| Help!! Sorry, I missed the insert portion before. Contact me, I have a high-speed system capable of measuring a 12" x 12" pcb, all pads, in under 20 seconds. | There has to be someone out there other than Cyberoptics. Not that I think they don't h
Electronics Forum | Fri Jul 03 18:46:16 EDT 1998 | Jon
Yes, but at what price for the 'fast ' system???? | | | Help!! | Sorry, I missed the insert portion before. Contact me, I have a high-speed system capable of measuring a 12" x 12" pcb, all pads, in under 20 seconds. | | There has to be someone out t
Electronics Forum | Wed Sep 08 06:22:51 EDT 2004 | Tore
Hi all, There seems to be a problem with the major component vendors/manufacturer everywhere; to supply lead free dummy/daisy chain components, in particular BGA-devices, within a reasonable time (not a big fan of 8-12 weeks). If they got them at all
Electronics Forum | Fri Aug 08 13:31:37 EDT 2008 | RobP
We have a customer that wants us to quote a project placing 12x12 mil dies in large volumes. I can not find feeders for my pick-and-place equipment that will handle wafers with dies that small. Thus, I'm now looking to go to a die sorter to put the
Electronics Forum | Fri Nov 13 11:02:46 EST 2009 | isd_jwendell
I use the LPKF model S. Operator uses a urethane(?) squeegee. Pressure and speed are controlled by the operator, which hasn't been a problem for me. The only problem I had was that I would forget to raise the PCB before I would start to squeegee the
Electronics Forum | Fri Sep 19 11:58:49 EDT 2008 | davef
Four Points supplies materials to stencil fabricators. Four Points, SMT Stencil Supply: Standard Frame Sizes 8" x 10" I.D. Cast Aluminum 12" x 12" I.D. Cast Aluminum 15" x 15" I.D. Cast Aluminum 12" x 17" I.D. Cast Aluminum 15" x 15" I.D. Cast Alu
Electronics Forum | Mon Jul 30 16:14:49 EDT 2007 | davef
Sure, 99 percent of the planet uses 3M double-sided tape #666 tape in helping to verify first piece after a new placement program, but is that the best there is out there? We have this 3X5 card sized "Sample - Double Stick Sheets," which [according
