Radiation image storage panel

Details Radiation image storage panel Radiation image storage panel

1989-12-22

1991-07-30

Westin, Edward P.

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

2504861, G03B 4200

Patent

active

050362070

ABSTRACT:
Disclosed is a radiation image storage panel having a stimulable phosphor layer including a stimulable phosphor which absorbs both a radiation in a wavelength shorter than 250 nm and ultraviolet rays in a wavelength of 250-400 nm, then which stores their energies, and which emits the energies as luminescence when it is exposed to irradiation of a visible light or an infrared ray; and also including a phosphor which spontaneously emits ultraviolet rays in a wavelength of 250-400 nm when it is excited by a radiation in a wavelength shorter than 250 nm. Also there disclosed is another radiation image storage panel having separately a stimulable phosphor layer and an ultraviolet ray emitting phosphor layer including the phosphor which emits ultraviolet rays in a wavelength of 250-400 nm when it is excited by a radiation in a wavelength shorter than 250 nm.

REFERENCES:
patent: 4675271 (1987-06-01), Degenhardt
patent: 4780611 (1988-10-01), Nakamura

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