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What process do you use to remove the air bubbles from the converter? Are the converters Vacuum potted?

The converters are not vacuum potted because we use a special process to remove the air bubbles. The process is as follows:

1- The two component epoxy is mixed and placed under a vacuum for 1 minute to remove any air bubbles created by the mixing process.

2- The plastic case is 1/3 filled with epoxy and allowed to rest

3- The pre-tested converter pcb is inserted into the case and 2/3 filled with epoxy and allowed to rest

4- The part completed converters are placed in a warm oven (30°C) for 20 minutes to allow any air bubbles to rise to the top.

5- The case is sealed with a harder grade of epoxy and baked at 50°C for one hour to cure.

2- In addition, spot checks are made with our X-ray machine to monitor and ensure that air voids are not present in any of our converters.

 

Category: potted, air bubbles, vacuum