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
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
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
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
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
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
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
Electronics Forum | Fri Oct 09 23:17:05 EDT 1998 | kallol Chakraborty
| | I need to set a cleanliness limit for our incoming boards. I know that some people use 14-10 microgr. sq. in. But how can I determine what is best for me. | | Can anybody tell me if there's a standard for this. | | Right now we are using an Alph
Electronics Forum | Fri Oct 09 14:35:58 EDT 1998 | Chrys
| Does anyone out there have hands on experience of selective soldering. Either masking or miniwave type. I am looking for pointers with regard to equipment selection and known process problems/ limitations | Charles, I've used both miniwave and s
Electronics Forum | Wed Oct 07 11:05:16 EDT 1998 | Dave F
| I am trying to find out, what possibilities I have, to print solder paste on a board, when the task is to have 120 Microns thickness for the biggest part of the board (85% of the real estate), and then have 250 Microns of thickness on the remainin
