Type XY conformal coating refers to parylene conformal coating. Parylene gets the type XY from its’ full name, para-xylylene. It was shortened to parylene and eventually type XY so that it could be grouped with the other conformal coatings (type AR, UR, etc.).
Parylene offers the best protection against solvents of any conformal coating. It is also brings to the table excellent moisture and gas protection, very high dielectric strength, and is bio-compatible. Even with all of these benefits, there are still some disadvantages to using parylene versus other conformal coatings.
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Everyone loves the barrier properties of parylene. The resistance to solvents and moisture, incredible dielectric strength, and the completely uniform coverage are enough to make any engineer squeal with delight. The question that immediately follows is, “How much does parylene cost?” There are a couple different factors that go into decided parylene cost. One of […]
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