Electronics Forum | Fri Jul 16 06:22:31 EDT 1999 | Wayne Sanita
Mark, I had the same peoblem. For my stencils i use a 15% reduction for the width of fine pitch leads only, as Earl said follow the 1:1.5 standard. We consider pitches of 32mil and under. We also clean the stencil every other board to ensure no caki
Electronics Forum | Thu Jun 24 15:44:12 EDT 1999 | Earl Moon
| | Dear guys, | | | | I have some problem on assembling micro-BGA with solder paste (63/37). The micro-BGA we assmeble is 0.75mm pitch and with 45 pin (solder bump is 96.5/3.5Ag). The stencil is a laser-cut stencil with 5 mil thickness. We are no
Electronics Forum | Thu Jul 01 13:57:57 EDT 1999 | Kris Wiederhold
| Dear guys, | | I have some problem on assembling micro-BGA with solder paste (63/37). The micro-BGA we assmeble is 0.75mm pitch and with 45 pin (solder bump is 96.5/3.5Ag). The stencil is a laser-cut stencil with 5 mil thickness. We are now usin
Electronics Forum | Fri Feb 19 03:57:48 EST 1999 | Mark Alder
Please could you suggest a recommended aperture sizes for printing of smd adhesives. Any recommendations on stencil thickness as well as stencil finish will be appreciated.
Electronics Forum | Tue Jan 12 13:46:20 EST 1999 | Sanjay Bhatikar
What would be a good metric for process control of a stencil printer? (fully automatic, vision equipped, stendil printer).
Electronics Forum | Mon Dec 28 20:34:38 EST 1998 | Chris Grendler
| | Any one know a good stencil vendor who can produce stencils below .002" foil with appetures at .004" on .008" pitch? AMTX use to be my vendor but they are closed down. | | | | Thanks, | | | | Chris Grendler | | | Chris: One source of e-for
Electronics Forum | Wed Nov 11 17:09:47 EST 1998 | Dave F
First, appologies to y'll for creating an opening for bs@ss to post the usual thinly cloked commercial message. Second, how do you test, measure, determine if your stencil is clean? Thanks Dave F
Electronics Forum | Thu Nov 12 08:52:02 EST 1998 | Wayne Bracy
| First, appologies to y'll for creating an opening for bs@ss to post the usual thinly cloked commercial message. | | Second, how do you test, measure, determine if your stencil is clean? | | Thanks | | Dave F Here I go stepping into it! check
Electronics Forum | Wed Aug 05 14:55:15 EDT 1998 | john
Probably should have been more specific. We want to do some stencil etching. Mainly for prototype work nothing too high volume. Thanks, Oh yeah, (Ben) and maybe a tattoo here and/or there.. Ha ha ...
Electronics Forum | Mon Jun 22 21:36:15 EDT 1998 | Dave F
| Which kind of stencil washing system would you prefer, with or without ultrasonic? John: Check-out a recent thread on this below. Dave F
