US4803359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for detecting radiation image
Assignee: Fujifilm Holdings Corp
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Filing: 1984-05-15
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Granted: 1989-02-07
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Expires: 2004-05-15
Abstract
Abstract A method for detecting radiation image which comprises steps of: causing a radiation image storage panel which comprises a phosphor layer containing a stimulable phosphor to absorb a radiation having passed through an object or radiated from an object; placing said radiation image storage panel and a photosensor composed of numerous photosensitive elements in regular and two-dimensional arrangement together in layers, and irradiating the panel with an electromagnetic wave to release the radiation energy stored in the panel as stimulated emission; and photoelectrically detecting the stimulated emission with said photosensor. A method for detecting radiation image using a radiation image detector which comprises a photosensitive member composed of numerous photosensitive elements and a phosphor layer containing a stimulable phosphor provided thereon is also disclosed.
Inventors
- 👤 Yuichi Hosoi
- 👤 Junji Miyahara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:19
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/20; G01T1/2018; G01T1/2012; G01T1/2014; H; H10; H10F; H10F39/00; H10F39/10; H10F39/12; H10F39/18; H10F39/80; H10F39/803; H10F39/805; H10F39/8053
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
99 words
A method for detecting radiation image which comprises the steps of: causing a radiation image storage panel which comprises a phosphor layer containing a stimulable phosphor to absorb a radiation having passed through an object or radiated from an object; providing a photosensor composed of numerous photosensitive elements in regular and two-dimensional arrangement; arranging said radiation image storage panel and said photosensor adjacent to each other in the form of layers; irradiating the panel with an electromagnetic wave to release the radiation energy stored in the panel as stimulated emission; and photoelectrically detecting the stimulated emission with said photosensor.
Claim 2
Independent Claim
99 words
A method for detecting radiation image which comprises the steps of: causing a radiation image storage panel which comprises a phosphor layer containing a stimulable phosphor to absorb a radiation having passed through an object or radiated from an object; providing a photosensor composed of numerous photosensitive elements in regular and two-dimensional arrangement; arranging said radiation image storage panel and said photosensor adjacent to each other in the form of layers; irradiating the panel with an electromagnetic wave to release the radiation energy stored in the panel as stimulated emission; and photoelectrically detecting the stimulated emission with said photosensor.
Claim 3
Dependent Claim
42 words
The method for detecting radiation image as claimed in claim 1, in which each photosensitive element comprises a light receiving section and a transferring section, said light receiving section being composed of photodiode and said transferring section being composed of MOS transistor.
Claim 4
Dependent Claim
37 words
The method for detecting radiation image as claimed in claim 1, in which the radiation image storage panel comprises a support and a phosphor layer provided thereon which comprises a binder and a stimulable phosphor dispersed therein.
Claim 5
Independent Claim
31 words
The method for detecting radiation image as claimed in any one of claims 1 through 3, in which the stimulable phosphor is a divalent europium activated alkaline earth metal fluorohalide phosphor.
Claim 6
Independent Claim
103 words
A method for detecting radiation image which comprises the steps of: causing a phosphor layer of a radiation image detector to absorb a radiation having passed through an object or radiated from an object, said phosphor layer containing a stimulable phosphor, said radiation image detector comprising a photosensitive member composed of numerous photosensitive elements in regular and two-dimensional arrangement, said phosphor layer and said photosensitive member being arranged adjacent to each other; irradiating said phosphor layer with an electromagnetic wave to release the radiation energy stored in said phosphor layer as stimulated emission; and photoelectrically detecting the stimulated emission with said photosensitive member.
Claim 7
Independent Claim
103 words
A method for detecting radiation image which comprises the steps of: causing a phosphor layer of a radiation image detector to absorb a radiation having passed through an object or radiated from an object, said phosphor layer containing a stimulable phosphor, said radiation image detector comprising a photosensitive member composed of numerous photosensitive elements in regular and two-dimensional arrangement, said phosphor layer and said photosensitive member being arranged adjacent to each other; irradiating said phosphor layer with an electromagnetic wave to release the radiation energy stored in said phosphor layer as stimulated emission; and photoelectrically detecting the stimulated emission with said photosensitive member.
Claim 8
Dependent Claim
42 words
The method for detecting radiation image as claimed in claim 5, in which each photosensitive element comprises a light receiving section and a transferring section, said light receiving section being composed of photodiode and said transferring section being composed of MOS transistor.
Claim 9
Dependent Claim
28 words
The method for detecting radiation image as claimed in claim 5 or 6, in which the phosphor layer contains a divalent europium activated alkaline earth metal fluorohalide phosphor.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-02-07 | 1992-08-08 | 1993-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-02-07 | 1996-08-08 | 1997-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-02-07 | 2000-08-08 | 2001-02-07 | $7700.00 | Window Closed / Lapsed |