Electronics Forum | Thu Apr 11 19:12:11 EDT 2002 | djarvis
Sorry fellas -disagree. We only clean our stencils in the ultrasonic machine at the end of the run. If the same pcb is up the next day we clean them by hand. We use Electrolube SSS and the used rolls from the in line under stencil cleaner. Wipe the
Electronics Forum | Tue Dec 11 04:43:35 EST 2001 | maubrey
I am the director of a performance/art group who work with electroacoustic clothing. Esssentially we perform with electronic clothes that make sounds by react with/to the environment. Please take a look mat our web site (complete wi
Electronics Forum | Wed Dec 26 14:19:52 EST 2001 | Stefan
I find that software is a quite individual part of the entire machine. Some programmers love to have at least 20 windows open at one time and others prefer to put all information on one single page. What appears to be easy for one, may be difficult f
Electronics Forum | Thu Jan 17 18:29:01 EST 2002 | Bill Loving
Dear Jason, Thank you for posting your request on SMTNET. Please note that ScanCAD International provides an upgrade path for all installed customers, regardless of the age of their system. Currently, hundreds of systems are installed in 37 countr
Electronics Forum | Thu Jan 17 18:33:24 EST 2002 | Bill Loving
Dear Jason, Thank you for posting your request on SMTNET. Please note that ScanCAD International provides an upgrade path for all installed customers, regardless of the age of their system. Currently, hundreds of systems are installed in 37 countr
Electronics Forum | Mon Jan 28 19:58:02 EST 2002 | davef
Thanks for cutting me some slack on that metric thang, pardner. ;-) ANALYSIS: What??? The 5DX is useful for something!!! Shut ma mouth!!! [Don't you say a thing. I think I know what you're thinking.] FOAM FLUXERS: Your correct, not having a fo
Electronics Forum | Thu Feb 14 20:24:07 EST 2002 | scott
My first reaction would be to run! FAST! Flex -- well, it... flexes... and isn't flat. While you assemble it, While you transport it, While it goes through the oven... SMT Connectors typically need to be held down during reflow. Fiducial types are
Electronics Forum | Fri Feb 22 08:26:51 EST 2002 | davef
You are correct. The gold dissolves in the solder. The gold is meant to protect the nickel from oxidizing, so that you can solder to the nickel. Obviously that didn�t work as planned. Your background information is very sparse. Two things come
Electronics Forum | Mon Feb 25 21:09:48 EST 2002 | davef
You are correct about a TCE [CTE] mismatch issues in ceramic packages. The coefficient of thermal expansion [ppm/�C] of major ceramic package elements are: * Silicon - 3 * Standard 92% alumina ceramic � 6.5 * FR4 board � 18-20 Several points are: *
Electronics Forum | Fri Mar 01 08:35:27 EST 2002 | caldon
I am on board with Dave F.(like I usually am). I can not imagine what IPC specs the auditor is speaking about. The Stencil Design criteria, 610, and 001 do not fit the type of solder deposition you speak of (nor I think they should). The machine para