The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 07, 1991
Filed:
Mar. 27, 1990
Chiyuki Umemoto, Kanagawa, JP;
Takashi Nakamura, Kanagawa, JP;
Kenji Takahashi, Kanagawa, JP;
Yuichi Hosoi, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A recording material is exposed to radiation carrying image information in order to store a radiation image thereon. The recording material is provided with a stimulable phosphor layer constituted of a cerium activated lanthanum oxyhalide phoshor which is represented by the general formula LaOX:xCe, where X is at least one halogen selected from the group consisting of Cl, Br, and I, and x is a number satisfying the condition 0<x.ltoreq.0.2, and in which the atomic ratio X/La satisfies the condition 0.50<X/La.ltoreq.0.998. After a radiation image has been recorded on it, the recording material is exposed to stimulating rays, which cause it to emit light in proportion to the amount of energy stored thereon during its exposure to radiation, and the emitted light is photoelectrically detected in order to obtain an image signal. The recording material is then subjected to primary and secondary erasing operations in order to release any energy still stored thereon.