Recent progress in a variety of 3-D printing technologies that include various materials and much improved layer refinements have led to novel capabilities in rapid prototyping. We have specifically incorporated this rapid prototyping ability for the design and testing of high voltage pulse power components that are relevant for high power radio frequency (HPRF) systems. Complex geometries that are non-conductive, have high breakdown strength, and hold high pressure are essential in high voltage pulse power designs. This paper will test and evaluate the high voltage properties of various Formlabs resins used in several HPRF projects. Testing and evaluation will include the measurement of dielectric constants using cavity loading techniques and determination of dielectric strengths while varying resins, print resolution, material thickness, and print orientations.
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