Radiation image converting panel

Details Radiation image converting panel Radiation image converting panel

2009-01-08

2010-02-02

Porta, David P (Department: 2884)

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

Reexamination Certificate

active

07655927

ABSTRACT:
The present invention relates to a radiation image converting panel with a structure to realize an improvement in moisture resistance in the periphery of the panel. The radiation image converting panel comprises a support body and a radiation converting film formed on the support body. The radiation converting film is formed on a film forming region which exists within a first main surface of the support body and includes at least a gravity center position of the first main surface. An average crystal diameter of columnar crystals located on a peripheral measuring area of the film forming region is controlled to be 1.3 times or more larger than an average crystal diameter of columnar crystals located on a central measuring area corresponding to a gravity center position of the film forming region, whereby moisture resistance in the periphery of the panel is improved, so that a sufficient fluorescence lifetime of the panel as a whole is maintained.

REFERENCES:
patent: 1516905 (2005-03-01), None
patent: 2-58000 (1990-02-01), None
patent: 2005-98717 (2005-04-01), None

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