Electronics Forum | Thu Mar 09 04:02:12 EST 2000 | Wolfgang Busko
We used an air knife using foam fluxer and no clean flux to remove excessive flux from the boards for a better look afterwards. A secondary effect might be that the flux is forced into the vias giving you better results on the top. If you feel a need
Electronics Forum | Tue Mar 07 12:54:27 EST 2000 | Mark D.
Does anyone know of a vendor who manufactures pallets for PCB's. I have a couple of boards where the parts are too close to the edge to allow them to be placed in my Pick & Place equipment (nozzle will hit conveyor rail). I know that pallets are made
Electronics Forum | Tue Mar 07 14:31:59 EST 2000 | Rich Ziebell
John, I have read some of the follow-up's to your question and I am having several dry-cabinets made. Each, for under $500.00. Mcdry, a subsidiary of Seika Corp. is a vendor that has a solid background with moisture-free storage units. If cost is an
Electronics Forum | Mon Mar 06 17:17:13 EST 2000 | gary
I need a little help with RF and Rogers 4003 board material. My background was in digital and now I need to set up a new line to make small RF products (.5" x .5" or smaller). I want to find out about board platings, finishes/maskings and reasonable
Electronics Forum | Fri Mar 03 16:11:07 EST 2000 | cpitarys
Yes it is Ok and some folks ae doing it now, but unfortunatly IPA may not be the best solvent for this application. Take a small vial of the ipa and put some of your smt adhesive into it, shake it up and watch what happens, now step this up onto a l
Electronics Forum | Fri Mar 03 09:48:06 EST 2000 | Wolfgang Busko
I have heard about it. The main reason is to save money. The problem is, or better is said, that the mixing isn�t that simple for you got have a homogen paste afterwards and the solderballs shouldn�t be deformed in size so that problems during printi
Electronics Forum | Thu Mar 02 18:15:01 EST 2000 | Stu Leech
How is the component marked. Is it ink marked, laser marked or what? What is the material that the marking on? What volume are you looking at? We used a small, pencil-sized sand blaster, loaded with bicarbonate of soda to errode the mark off of plast
Electronics Forum | Thu Mar 02 21:09:22 EST 2000 | Dave F
Doug: To remove paints, we've tried a bunch of stuff like messy, hazardous chemicals (ie, methylene chloride, xylene, toulene). We've blasted (erzat been blasted???), like Stu says. We used etching pens. Auuuurgh!!! Now, we paint over them with
Electronics Forum | Thu Mar 02 13:17:00 EST 2000 | Russ
Jack, a couple of questions first, 1. What pitch are these leads? 2. What are the lead footprint dimensions? 3. Orientation of component? I personally have never had much luck soldering QFPs in the wave unless they are 50 mil pitch or greater, we o
Electronics Forum | Wed Mar 01 09:34:13 EST 2000 | Sorin
HELLO, Do anybody know if is existing an empirical rule that can show me how many amps can carry a plated through hole with a diameter of x.xx millimeters? Is there a formula depending on X.XX value that could help me to make such calculations? How
