Electronics Forum: electronic (Page 6596 of 7890)

Re: Help with new placement equipment

Electronics Forum | Thu Oct 15 20:21:27 EDT 1998 | Dave F

| | I need to install some new lines for high mix low volume products in an already cramp building. Could someone share any info about the machines which give you the best bang for floor space. I need a 2 machine system for placing 0402 to fine pitc

Re: Help with new placement equipment

Electronics Forum | Thu Oct 15 21:29:42 EDT 1998 | Scott McKee

| I need to install some new lines for high mix low volume products in an already cramp building. Could someone share any info about the machines which give you the best bang for floor space. I need a 2 machine system for placing 0402 to fine pitch,

Re: Help with new placement equipment

Electronics Forum | Fri Oct 16 00:18:35 EDT 1998 | Jim McCarten

I would not expect 30 microns to be good enough for flip chip. Maybe I have it wrong, but isn't that +/- 1.5 mils? With bumps on flip chip approaching 3 or 4 mils, I would stay away from a 30 micron machine! | |John, | | Why do not you consider t

Re: Help with new placement equipment

Electronics Forum | Wed Oct 21 08:37:16 EDT 1998 | Dave Kalen

The Sanyo Short machine, with 80 8mm feeder slots is a great high speed with a small footprint. The new TIM-5000 flexible placer offers an incredible range of components and flexibility. You may want to consider this option also. Depending on your bu

Re: Quad printer from MPM

Electronics Forum | Mon Oct 19 21:34:00 EDT 1998 | Peter

Jim, We purchased the SMTech 500 printer that was shown at Nepcon this past spring. We are very happy with the machine's performance and their service was excellent when it was SMTech. There are still minor software bugs that we are encountering bu

Re: Stenil printing adhesive

Electronics Forum | Wed Oct 14 10:04:02 EDT 1998 | Dr. Kantesh Doss, Siemens Energy & Automation, Inc.

Sanjay: Keys to successful adhesive printing are: 1. Understanding the flow behavior of the adhesive under constant shear stress 2. Stencil design, i.e. stencil aperture opening 3. PWB Footprint 4. Stencil printing parameters Optimizing all these fac

Cleaning No-Clean

Electronics Forum | Tue Oct 13 15:38:23 EDT 1998 | Dave F

All Y'll How do you clean components that must be added to an assembled board after water wash? BACKGROUND Our basic process goes like this: 1 Print paste with OA flux, place, reflow, wash 2 Repeat 1 3 Insert PTH, OA flux, wave, wash 4 Insert

Re: Cleaning No-Clean

Electronics Forum | Tue Oct 13 17:30:09 EDT 1998 | Upinder Singh

| All Y'll | | How do you clean components that must be added to an assembled board after water wash? | | BACKGROUND | | Our basic process goes like this: | | 1 Print paste with OA flux, place, reflow, wash | 2 Repeat 1 | 3 Insert PTH, OA flux

Re: Cleaning No-Clean

Electronics Forum | Tue Oct 13 22:22:14 EDT 1998 | mike

| All Y'll | | How do you clean components that must be added to an assembled board after water wash? | | BACKGROUND | | Our basic process goes like this: | | 1 Print paste with OA flux, place, reflow, wash | 2 Repeat 1 | 3 Insert PTH, OA flux

Re: Avoiding Blood letting on stencil printer

Electronics Forum | Sat Nov 17 08:05:19 EST 2001 | caldon

TONY- I don't beleive the Craftsman called this posting in. Nurses are not supose to stick themselves with needles, Carpenters are not supose to get splinters, Electricians should never get shocked.....but in reallity it happens. Risk assesment is a


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