Electronics Forum | Wed Aug 12 16:13:48 EDT 1998 | Alex Ondi
:Try American Plating Systems for Chem Etch Equipment, LPKF (Germany)for Laser cutting systems (A Laser in Oregon is the local distributor for LPKF), Lumonics is another option for Laser cutting systems. Probably should have been more specific. | W
Electronics Forum | Thu Apr 01 15:10:33 EST 1999 | Brian
B: Are you electropolishing your apertures? With a finish of this type you can come close to Laser cut's smoothness. | We make an excellent chem-etch stencil. Our customers have had success printing 16 mil pitch without a problem. This is not an ad
Electronics Forum | Fri Dec 10 10:26:04 EST 2004 | Justin
Has anyone used chem milled dies to cut Kapton? I found atlasdie.com online but before I call I was wondering if anyone has any feedback on how they work? thanks
Electronics Forum | Thu Mar 25 15:10:45 EST 1999 | Dan Hughes
We make an excellent chem-etch stencil. Our customers have had success printing 16 mil pitch without a problem. This is not an advertisement! When we try to sell our product to new customers, we find more and more people willing to pay more for the
Electronics Forum | Thu Apr 01 16:47:23 EST 1999 | AlexO
Dan, The rationale to use laser cut stencils in my experience is based on the benefits to paste release. Laser cut stencils are "supposed" to have a smoother inner aperture wall. That, combined with the trapezoidal shape (which can be emulated with
Electronics Forum | Wed May 10 01:00:09 EDT 2000 | gary
0.65mm pitch QFP. I believe that this is the borderline for Fine Pitch. Will I have a good paste release with Chem-etch matched with a rubber squeegee? I'm planning of a 15% reduction on the Width and no reduction on the length. Any feedback whether
Electronics Forum | Wed Jul 15 12:22:57 EDT 1998 | Steve Moore
Electropolishing definitely improves the print characteristics of both Laser-cut and Chem-etch stencils. The caveat here is avoid over polishing which results in rounding of the edges and/or enlargement of the openings. Over polishing is typically th
Electronics Forum | Wed Oct 11 16:05:16 EDT 2000 | NLykus
Does anyone have any experience with running a double sided/surface mount(bottom)board manufactured with CHEM 1 material? We are currently looking at cost cuts. My personal experience recently in running a D.O.E. against other materials and solder
Electronics Forum | Wed Mar 04 21:24:04 EST 1998 | Ron Costa
Hello everyone! Does any know anything about bare board size variations? Is there a spec. or tolerance? I'm running small lots of boards and during the screen printing process I find that I cannot paste each board perfectly.I've tried other screen pr
Electronics Forum | Thu Apr 01 22:21:45 EST 1999 | Dave F
| We make an excellent chem-etch stencil. Our customers have had success printing 16 mil pitch without a problem. This is not an advertisement! | | When we try to sell our product to new customers, we find more and more people willing to pay more fo
