Electronics Forum | Thu Aug 28 15:29:50 EDT 2014 | mcapizzi
Yes, your picture is correct. Regarding the dichroic mirrored prism assembly…in this application, a dichroic material is one which causes visible light to be split up into distinct beams of different wavelengths. The original meaning of dichroic, fro
Electronics Forum | Thu Aug 28 12:42:53 EDT 2014 | mcapizzi
One camera is used with typically one of the following prism set-ups: The split prism system, in its most common form, is a cube made from two triangular glass prisms which are glued together at their base using polyester, epoxy, or urethane-based ad
Electronics Forum | Tue Oct 12 15:00:42 EDT 2004 | jdumont
Ok, so as it turns out our vendor may be buying us the dispensing system to you on their product. Any suggestions now for a system in the 25K range....things are looking up!
Electronics Forum | Thu Sep 08 18:41:17 EDT 2005 | bhu
Try parylene. http://www.vp-scientific.com/parylene_properties.htm
Electronics Forum | Fri Oct 29 17:44:13 EDT 2004 | davidcb
Davef, thanks for inputs. I think your correct, we have since obtained some ionic analysis and sure enough there is relatively high chlorides on the bare pcbs. The toluene is controlled within dip tank / drying system, almost no exposure to workers.
Electronics Forum | Tue Oct 31 19:28:24 EDT 2023 | ttheis
We built our own coating system by mounting a Universal Robots UR5 to an edge conveyor between a magazine unloader and magazine loader. The robot has a needle dispenser on the head. We chose a needle dispense process to avoid aerosols and complex ven
Electronics Forum | Wed Jan 24 09:34:38 EST 2024 | wintercurrants
The equipment of Specialty Coating Systems and PVA is both simple to operate and maintain. Since it's a spray booth, constant maintenance is required or you risk having a serious headache. Our conformal coating line includes a double-sided UV oven, a
Electronics Forum | Mon Dec 11 19:21:32 EST 2023 | SMTA-64387074
PVA and Specialty Coating Systems both have equipment that are easy to program and maintain. It is a spray booth so maintenance needs to be regular or you will have quite the headache. We have a conformal coating line with 2 coaters a board flipper a
Electronics Forum | Fri Jun 03 14:31:33 EDT 2005 | Peter
I am working on an application requiring removing BGAs from a board coated with parylene. These BGAs have low standoff with less than 0.015" after SMT soldering. Can some comment on a reliable and consistent process to perform such rework? given tha
Electronics Forum | Wed Jun 08 13:06:36 EDT 2005 | jimby
You will have to machine the part off down to the top of the balls. Wick solder off from individual sites one at a time. All that will be left is Parylene shell where balls once were. Take an orangestick and alcohol to break up and remove. Tricky par
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