Radiation image conversion panel and process for producing...

Details Radiation image conversion panel and process for producing... Radiation image conversion panel and process for producing...

2007-07-10

2009-02-17

Porta, David P (Department: 2884)

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

C250S483100

Reexamination Certificate

active

07491949

ABSTRACT:
The radiation image conversion panel includes a substrate and a phosphor layer of columnar crystals formed on the substrate by vapor-phase deposition, with a column diameter distribution of the columnar crystals having two or more peaks. The process for producing a radiation image conversion panel prepares a substrate on which two or more types of projections different in diameter are formed and satisfies Expression “0.4R≦r≦0.8R” where R is a diameter of a largest projection and r is a diameter of any one of the remainder in the two or more types of projections, thereby making a surface of the substrate uneven and forms a phosphor layer on the uneven surface of the substrate by vapor-phase deposition.

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