Questions tagged [conformal-coating]
Conformal coating is an insulating material applied to PCBs to protect against damage to the electronics. You can use this tag for questions about protecting PCBs with conformal coating and for issues with debugging/editing PCBs which have already been conformal coated.
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How to handle masked areas of a conformally coated board?
If I'm designing a board which will be exposed to humidity, temperature swings below dew point, etc and I decide to conformally coat the board to help protect it. How should you treat areas that need ...
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Difficulty in gaining Class II CE certification for an aluminium single-sided PCB
We have a product that consists of an aluminium single-sided PCB with micro-controller and LEDs soldered to the copper side. The PCBA is shaped so that it can be bent to fit over the scalp of the user ...
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What can cause dust to stick to only one spot on a PCB?
A field PCB got returned due to not accepting a firmware update. Upon inspection, the board has a small area between some ICs and resistors that has a large buildup of dust while the rest of the board ...
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Conformal coating of shielded RF modules
What is the best practice to protect a circuit with shielded RF modules?
I have a feeling that conformal coating is difficult since the shield is not sealed.
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Rework with a coating over the solder joint
I've got a simple board to repair (a switch/junction board for a fancy bike light). The wires to a DC connector broke because of insufficient strain relief.
It's a trivial job, except there's a paint-...
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Can USB head cause a spark?
I made a USB port in a gas detector prototype. I plan to keep a USB cable attached to that USB port forever. I silicone conformal coated the USB port pins on the PCB.
Can the USB head of the cable ...