X-ray intensifying screens with mixed morphology phosphors

Details X-ray intensifying screens with mixed morphology phosphors X-ray intensifying screens with mixed morphology phosphors

1991-11-12

1993-10-05

Lesmes, George F.

Stock material or miscellaneous articles

Composite

Of inorganic material

2523014H, 2523014R, 2523015, 2523014F, 2504831, C09K 1146, G03C 517, G21K 400

Patent

active

052503658

ABSTRACT:
An X-ray intensifying screen with improved resolution at a constant coating weight and speed comprises a phosphor-binder layer coated on a support, wherein the phosphor comprises a rare earth tantalate phosphor in which 5-80% has a tabular morphology with an average aspect ratio of about 2:1 and the remainder of the phosphor has a polyhedral morphology.

REFERENCES:
patent: 3621340 (1971-11-01), Singh et al.
patent: 3670194 (1972-06-01), Thornton, Jr. et al.
patent: 4011455 (1977-03-01), Waller et al.
patent: 4042527 (1977-08-01), Kano et al.
patent: 4225653 (1980-09-01), Brixner
patent: 4316092 (1982-02-01), Rabatin
patent: 4387141 (1983-06-01), Patten
patent: 5064729 (1991-11-01), Zegarski

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