Application of silicone coatings on PCBs

 

Application of silicone coatings on PCBs

 

Petition / Problem

The customer wants to increase the resistance of their PCBs against high measurements of electrical voltage that they experience in their useful life.

Objective

Apply a silicone coating which could resists high conditions of electrical stress, temperature, and a good aesthetic finish, free of defects or bubbles.

ATRIA solution

A silicone coating was applied to the surface by dip-coating. The optimization of the application of two silicone coatings (1705 and 1706) was carried out. The following parameters were studied: pretreatment, dip-coating speed, incubation time, drainage time, substrate position, time and temperature of cured.

 

Technologies applied

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