Electronics Forum | Tue May 31 22:40:24 EDT 2011 | bejrananda
HI All, Please kindly advice me, I have project that it has DPAK part (MPN:SUD25N15-52 E3 Plating:100% Sn matte)which locate on bottom side (1st reflow), Good wetting for 1st reflow.. but .. when I run Top side (2nd reflow).I found that this D
Electronics Forum | Mon Jun 05 14:17:18 EDT 2000 | C.K.
Dream: Yes, VIA's are connected to actual SMD pads via traces - roughly .030" from the pad. The VIA is .013" in diameter, and the excess solder bleeds out of the actual VIA barrel after the 1st reflow.... -CK
Electronics Forum | Fri Aug 03 08:26:42 EDT 2001 | DaveG
In our case the aforementioned SW is our Calibration Database. This SW covers everything in the facility incl support assets such as compressors. -- Don't be too quick to jump to conclusions w/o asking for detail 1st.
Electronics Forum | Tue Sep 21 17:14:44 EDT 1999 | Robert Steltman
Does anyone have any figures on what % extra compnents should be supplied on chip components for a particular product build. Typicaly there is wastage due to dropout in loading, 1st board build and machine rejections. Is there any industry standard t
Electronics Forum | Wed Aug 22 09:17:15 EDT 2001 | steven
if do not have x-ray inspection machine, how to verify the 1st board out from the smt placer that the BGA is placed accurately onto the solder pads. the diameter of the solder ball is 1mm. could it self align during reflow?
Electronics Forum | Wed Aug 07 22:20:59 EDT 2002 | davef
Low Cost Flip Chip Technologies for DCA, WLCSP, and PBGA Assemblies; John H. Lau; McGraw-Hill Professional Publishing; ISBN: 0071351418; 1st edition (February 8, 2000)
Electronics Forum | Wed Jun 18 21:28:08 EDT 2003 | Larry D
Tom: Cheapest is grind flat spot on inspection mirror. Plastic mirror is easiest and works for the 1st 2 rows.
Electronics Forum | Tue Jul 15 17:30:38 EDT 2003 | ServGuy
00c is a hardware interuption Addr F92228A0 is out of the card rack, meaning probably the CPU or memory PCB is out of control. Swap the 1st and or last card in the card rack with another machine or from spares.
Electronics Forum | Wed Apr 06 03:51:27 EDT 2005 | Rob
We have a very expensive MRP system that can (allegedly) do this, so naturally we also use an excel spreadsheet, which includes feeder loading times, 1st off inspection, printer set up, overhead recovery, machine time etc.
Electronics Forum | Sun May 08 23:55:06 EDT 2005 | vera1001
hi all: how time filies,our holiday is finished from May 1st to May 7th.
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