EP0098610A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Radiographic intensifying screen
Assignee: Fujifilm Holdings Corp
•
Filing: 1983-07-07
•
Granted: —
•
Expires: 2003-07-07
Abstract
Abstract A radiographic intensifying screen comprising a support and at least one phosphor layer provided thereonto which comprises a binder and a phosphor dispersed therein, wherein the support is a resin film containing a white pigment.
Inventors
- 👤 Akira C/O Fuji Photo Film Co. Ltd. Kitada
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 05:44
CPC Classifications
G; G21; G21K; G21K4/00; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/266; Y10T428/27; Y10T428/31504; Y10T428/31786
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
35 words
A radiographic intensifying screen comprising a support and at least one phosphor layer provided thereonto which comprises a binder and a phosphor dispersed therein, wherein the support is a resin film containing a white pigment.
Claim 2
Dependent Claim
35 words
A radiographic intensifying screen comprising a support and at least one phosphor layer provided thereonto which comprises a binder and a phosphor dispersed therein, wherein the support is a resin film containing a white pigment.
Claim 3
Dependent Claim
22 words
The radiographic intensifying screen as claimed in Claim 1, in which the support is a polyethylene terephthalate film containing a white pigment.
Claim 4
Dependent Claim
20 words
The radiographic intensifying screen as claimed in Claim 1 or Claim 2, in which the white pigment is titanium dioxide.
Claim 5
Dependent Claim
33 words
The radiographic intensifying screen as claimed in Claim 3, in which the titanium dioxide is anatase-type titanium dioxide, and the phosphor emits light in both the near ultraviolet region and the visible region.
Claim 6
Dependent Claim
23 words
The radiographic intensifying screen as claimed in Claim 4, in which the phosphor is a divalent europium activated alkaline earth metal fluorohalide phosphor.
Claim 7
Dependent Claim
42 words
The radiographic intensifying screen as claimed in any one of Claims 1 through 5, in which the white pigment is contained in the support in an amount ranging from 0.1 to 10.0 mg./cm 2 based on the surface area of the support.
Claim 8
Dependent Claim
36 words
The radiographic intensifying screen as claimed in Claim 6, in which the content of the white pigment is in the range of from 0.5 to 5.0 mg/cm 2 based on the surface area of the support.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.