Electronics Forum | Thu Oct 11 17:44:30 EDT 2001 | aaelect
OK, OK. 672 ball BGA. The pcbs are PC Card bus size and are .015 thick. There are 3 on a panel with about 1/2" between and rails. The aluminum plates are about 3" by 7". There are 3 cutouts which allow for the parts from either side to protrude du
Electronics Forum | Mon Feb 22 12:04:15 EST 1999 | Dave F
| 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. | Mark: About the only rule of printing adhesives is: Keep it off the
Electronics Forum | Wed Sep 22 10:03:07 EDT 1999 | Boca
| | | | i'm sure everyone has run into this at one point or another. I have a thin pcb .025 that is single up that has to be built on a pallet. does anyone have any tricks to the pallet design that will help to hold these boards down during the s
Electronics Forum | Thu Jun 28 09:07:51 EDT 2007 | mika
Laser cut 0.13mm stencil thicknes works great for us. BTW, are we talking RoHS solder paste? We do reduce the stencil apertures to 88 % of the pads when we go for the RoHS solder paste. Otherwise we go fo 96% reduction in general with some excemption
Electronics Forum | Mon Mar 26 08:53:33 EST 2001 | wbu
Don�t panic and don�t hope to get past the dreck. I had a dream... but than I realized that it takes 1. hard work 2. perseverance 3. hard work (... because it takes twice as much hard work as it takes perseverance ) My personal experience (faults):
Electronics Forum | Sat Jan 16 02:43:21 EST 1999 | Earl Moon
| Hello, | | We are qualifying new sources of PWB vendors. We've got the first lot of "produciton" boards in and we want to put them through the paces before turing the vendors on. | | So far, the tests I can think of performing, and that we have
Electronics Forum | Fri Jun 02 17:33:51 EDT 2000 | Dave F
Hey CK, we�re all sodder googoo�s ... wanna be gurus Why donchu tell �em not to put sodder in your vias? Er, makit so the sodder won�t flow out of the bottom of the vias and cause dem stalactites? OK OK, here�s wacha do, modify the second side ste
Electronics Forum | Tue Jun 08 15:04:06 EDT 1999 | JohnW
| | | Hi,my master | | | How to iron out such soldering bridge with below conditions: | | | 1.The component(Harness)lead pitch is 2.0mm,the lead length is 3.2mm. | | | 2.PCB width is 1.6mm.Pad size is 1.65mm.Its a single copper PCB | | | 3.using s
Electronics Forum | Sat Sep 25 08:00:11 EDT 1999 | Brian
| | | | | | | I am attemping to gather as much information on the issues with and progress in solutions for manufacturing Pb free products in response to European initiatives (WEEE). I am intereested in component issues with As Made lead termination
Electronics Forum | Sat Sep 25 11:05:08 EDT 1999 | Earl Moon
| | | | | | | | I am attemping to gather as much information on the issues with and progress in solutions for manufacturing Pb free products in response to European initiatives (WEEE). I am intereested in component issues with As Made lead terminati
