Electronics Forum | Thu Jul 13 22:20:38 EDT 2000 | Dave F
=10 mils larger than lead 3 silk screen legend text weight >=10 mils 4 pads >=15 mils larger than finished hole sizes 5 place through hole components on 50 mil grid 6 no silk screen legend text over vias (if vias not solder masked) or holes 7 so
Electronics Forum | Thu Feb 10 10:28:56 EST 2000 | Russ
Okay, Okay, here is the rest of the story! These boards were definitely plated, reworked to HASL, The component that is the most succeptable is a 160 pin QFP .5mm pitch. This component has nickel/iron lead frame. Significantly reduced apertures (1
Electronics Forum | Thu Nov 30 23:12:22 EST 2000 | Cal
Reno- I also agree. Education and Introduction to SMT are issues we deal with on a daily basis. We have Three level of automated assembly equpiment that we use for prototyping, training, production, and R&D. We can set you up in our facility to run y
Electronics Forum | Wed Aug 16 12:49:30 EDT 2000 | Bill Schreiber
Phil, I know it must be frustrating to try and weed through all of the hype that is put out by various stencil cleaner manufacturers. However, there is some impartial published data available. An article by Richard Clouthier (now with Photo Stenc
Electronics Forum | Thu Jul 06 20:46:17 EDT 2000 | Dave F
Mark: An area of increasing interest to all of us. From the SMTnet "Terms & Definitions" (or whatever they call it) Globtop. Encapsulant. Encapsulating. Encapsulation. Potting. Enclosing an article in an envelope of adhesive or encapsulating co
Electronics Forum | Sat May 06 08:42:18 EDT 2000 | Dave F
Hi Steve: Easy question, Klein Wassink is THE BOOK. It is head and shoulders above the others. Coombs: Very good book, focused primarily on board fab with some discussion on assembly. Lea: A dated, once very good book. Rahn: Average book. Actu
Electronics Forum | Fri Feb 09 17:46:50 EST 2001 | raton
We've used them for several years now. They have done what they were purchased for and more. But, as time goes on, expectations of them rise, sales and marketing hype them as the ultimate cure-all of all defects, and then disappointment is experien
Electronics Forum | Fri Mar 16 08:38:40 EST 2001 | ctech
C-Tech is the 8th fastest growing company in New Jersey, yet we are so small and can not afford to buy expensive assembly equipment. Currently in production, we have 8 different through-hole boards and 1 surface nount board. In the past we have had
Electronics Forum | Tue Mar 20 09:21:47 EST 2001 | Claude_Couture
I got into the electronic assembly business because I love fixing machines. It is very satisfying to see an assembly line working the way it should. Then comes the new operator, and the output graph goes down. If most root causes are the human facto
Electronics Forum | Fri Mar 16 08:51:24 EST 2001 | ctech
C-Tech is the 8th fastest growing company in New Jersey, yet we are so small and can not afford to buy expensive assembly equipment. Currently in production, we have 8 different through-hole boards and 1 surface nount board. In the past we have had
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