EP0103302A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Radiographic intensifying screen
Assignee: Fujifilm Holdings Corp
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Filing: 1983-09-13
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Granted: —
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Expires: 2003-09-13
Abstract
Abstract A radiographic intensifying screen comprising a support, phosphor layers provided thereon which comprise a binder and phosphor particles dispersed therein, and a protective film provided on said phosphor layers, in which said phosphor layers comprise: i) the first phosphor layer provided on said support containing at least one terbium activated rare earth oxysulfide phosphor: and ii) the second phosphor layer provided on the first phosphor layer containing at least one divalent europium activated barium fluorohalide phosphor.
Inventors
- 👤 Akira C/O Fuji Photo Film Co. Ltd. Kitada
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 20:23
CPC Classifications
G; G21; G21K; G21K4/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
76 words
A radiographic intensifying screen comprising a support, phosphor layers provided thereon which comprise a binder and phosphor particles dispersed therein, and a protective film provided on said phosphor layers, in which said phosphor layers comprise: i) the first phosphor layer provided on said support containing at least one terbium activated rare earth oxysulfide phosphor; and ii) the second phosphor layer provided on the first phosphor layer containing at least one divalent europium activated barium fluorohalide phosphor.
Claim 2
Dependent Claim
76 words
A radiographic intensifying screen comprising a support, phosphor layers provided thereon which comprise a binder and phosphor particles dispersed therein, and a protective film provided on said phosphor layers, in which said phosphor layers comprise: i) the first phosphor layer provided on said support containing at least one terbium activated rare earth oxysulfide phosphor; and ii) the second phosphor layer provided on the first phosphor layer containing at least one divalent europium activated barium fluorohalide phosphor.
Claim 3
Dependent Claim
74 words
The radiographic intensifying screen as claimed in claim 1, in which each of said first phosphor layer and said second phosphor layer has a thickness within the range of 20 - 200 µm, and a ratio between an amount of the phosphor contained in said first phosphor layer and an amount of the phosphor contained in said second phosphor layer is within the range of 5 : 1 to 1 : 1, by weight.
Claim 4
Dependent Claim
24 words
The radiographic intensifying screen as claimed in claim 1 or claim 2, in which the protective film is made of a polyethylene terephthalate film.
References Cited (Backward Citations)
No citation records indexed.
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