Electronics Forum | Wed Feb 20 18:04:56 EST 2013 | hegemon
You should have a number of lighting options to deal with the low contrast lettering. Low angle, B/W, reverse color. etc... If I am reading you right, you might have your bridge inspector too far out on the lead banks, that it is seeing the silkscree
Electronics Forum | Wed Feb 17 06:43:03 EST 1999 | Kris Wiederhold
| Steve, Thanks for the input, but I'm afraid I'm only allowed a three day turn from DRAM to finished product to include those pesky test failures/repairs. I'm sure you know how that goes. In-house may be the only way for me! By the way, I just
Electronics Forum | Thu Mar 29 15:26:35 EST 2001 | johnw
measuring Paste volume or at least paste height is an essencial part of any SMT process. You've got to control those input's.... Paste volume determines how much solder is available for your joint so theres a direct to joint reliability / PCB reliabi
Electronics Forum | Fri Apr 06 09:02:20 EDT 2001 | CAL
FYI- Toe Fillets have not been required per IPC 610b/c (they are nice to have though). Remember before Solder paste inspection equipment The Solder powder type/size, stencil type, and apertures are what defined volume. The need has not been until rec
Electronics Forum | Tue Jul 17 15:13:53 EDT 2001 | mparker
Dave - I agree that the U shape for QFP's sounds a bit whacked, for the reasons you state. It may work OK for larger pitchs but then again there are a myriad of fixes that work before resorting to U shapes. With the U shape removing paste from under
Electronics Forum | Wed Aug 26 18:15:29 EDT 1998 | Earl Moon
| | Wayne, | | Always much appreciated. Ugly, fugly, schmugly. Hell, I'm a raving beauty compared to some of you folks. I often wonder how a class picture would turn out, if at all. Also, have you heard Justin is getting married again? | | Moonman |
Electronics Forum | Thu Aug 27 06:10:08 EDT 1998 | Wayne Bracy
Damn Wayne, | If I knew as much as you, Justin, Steve, his dad, and others know, or knew, I'd be happy to be the UGLY. The plus of a forum like this is it keeps us on our toes and keeps our brain cells alive or constantly searching for replacements.
Electronics Forum | Thu Mar 30 07:54:58 EST 2006 | Wave Master Larry
LIsten I'll have to diagree with you there.Now Im not the biggest expert at screen printing at my place of employment its a different department than wave which is my primary expertice but I see those UP20000 printers are always down with problems.
Electronics Forum | Mon Dec 18 11:17:52 EST 2006 | mashmo
I am always looking for ways to make my boards more reliable and easier to fabricate and assemble. I have been baselining my footprints off of IPC-7351 and with the latest revision of the calculator they have started a new feature. Normally on say
Electronics Forum | Thu Aug 27 13:44:03 EDT 1998 | Justin Medernach
| Damn Wayne, | | If I knew as much as you, Justin, Steve, his dad, and others know, or knew, I'd be happy to be the UGLY. The plus of a forum like this is it keeps us on our toes and keeps our brain cells alive or constantly searching for replacemen
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