X-ray attenuating ceramic materials

Details X-ray attenuating ceramic materials X-ray attenuating ceramic materials

1988-01-11

1990-08-14

Locker, Howard J.

Electric lamp and discharge devices

Cathode ray tube

Envelope

2505151, 2505181, 252478, 252629, 313477R, 313479, 358247, 378161, 445 22, 501 62, 501 63, 501 64, 501 72, 501 69, 501 74, 501152, 501153, 501154, H01J 3100, H04N 565, G21K 100

Patent

active

049490109

ABSTRACT:
X-ray attenuating polycrystalline ceramic materials having at least 20 wt. percent cerium oxide are disclosed. In addition, the materials can include one or more X-ray attenuating substances selected from the group including compounds of strontium, zirconium, yttrium, niobium, molybdenum, neodymium and tungsten. The materials can be formed in strong, non-porous bodies such as cathode ray tube funnels.

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