Electronics Forum | Mon May 22 11:22:34 EDT 2000 | Pierre
Does anybody use a material which is repairable (removable chemically), low curing time (UV), masked areas cured, solventless, used with Nordson equipments ?
Electronics Forum | Wed Jul 02 02:46:44 EDT 2008 | tang
Hi Guys, I have few question would like to ask regarding pcb conformal coating: 1. Can I know which masking material is the best for easy apply, fast cure, fast & easy to remove after coating & baking. And no chemical reaction which will whiten the
Electronics Forum | Thu Jul 03 17:29:42 EDT 2008 | mikesewell
Re: item 3 - there are ultrasonic thickness machines (Panametrics makes one) that can measure coating dry with a small transducer head. A little pricey for ones that measure reliably in the .003" +/- .002" range.
Electronics Forum | Thu Nov 14 12:11:00 EST 2002 | V.RAMANAND KINI
I am looking for a reflective coating on PCB. I have designed a PCB with SMT type side LEDs and Top LEDs. The light from these LEDs fall on to a lens profile on top of these and get mangnified and reaches the dashboard instrument's pointers. I tried
Electronics Forum | Fri Nov 15 11:12:15 EST 2002 | V.RAMANAND KINI
I have tried this white s/m coating. I want some thing better. I am looking at a metal frame cover over the PCB or leave the PCB surface with HAL avoiding soldermask. Will this HAL withstand -40 to +85 deg?
Electronics Forum | Fri Jul 04 06:29:51 EDT 2008 | andrzej
Hi, 1. we use John C. Dolph company - AC-46 on production line. I dont get any benefits advertising this on forum (but I`d wish to ;) 2. we use stickers, or other hand made tools to cover areas from AC-46 - it depednds on need for project.
Electronics Forum | Tue Nov 30 11:08:22 EST 2004 | jdumont
Hey all, we will be starting to coat our PCB's soon. I am looking for info on what type of UV light is needed to inspect the boards. We will be using Humiseal 1B73 Acrylic coating. TIA, JD
Electronics Forum | Thu Nov 14 12:46:51 EST 2002 | dphilbrick
Most people I have seen use white coat mask. This works very well in LED signs and such. Doug
Electronics Forum | Thu Nov 21 11:49:31 EST 2002 | V.RAMANAND KINI
Thank you for this information. I will try this. Infact i am already working on this type of idea. In the mean time, I did try the traditional HAL finish on PCB since it can reflect the light to some extent. I am also trying lacquers peters white s/
Electronics Forum | Fri Sep 16 11:28:20 EDT 2011 | dwanzek
I am looking for input on good blacklight to inspect silicon coating coverage on PCB's. This inspection is visual. Any advice or recommendations on lamps or bulbs?
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