Electronics Forum: pcb coating (Page 1 of 42)

Conformal coating for equiped pcb

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 ?

PCB conformal coating

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

PCB conformal coating

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.

Reflective coating on PCB

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

Reflective coating on PCB

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?

PCB conformal coating

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.

Conformal coating inspection

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

Reflective coating on PCB

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

Reflective coating on PCB

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/

Blacklight for coating inspection

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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