Lead free barium sulfate electrical insulator and method of...

Radiant energy – Radiation controlling means – Shields

Reexamination Certificate

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C250S492210, C250S492300, C378S203000, C252S478000

Reexamination Certificate

active

07638783

ABSTRACT:
A high voltage insulator and radiation shield made of barium sulfate composite having a polymer matrix and barium sulfate therein. The device may be made by casting. By means of use of various combinations of barium sulfate, other radiologically resistant materials, polymers, and third components, the physical, radiological and electrical properties of the finished products may be tailored to achieve desired properties. In addition, the invention teaches that radiation shielding, insulators, and combined radiation shield/insulators may be fashioned from the composite. A wide range of production methods may be employed, including but not limited to liquid resin casting.

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