GB865969A - Luminescent image storage elements and the use thereof - Google Patents
Luminescent image storage elements and the use thereofInfo
- Publication number
- GB865969A GB865969A GB20530/57A GB2053057A GB865969A GB 865969 A GB865969 A GB 865969A GB 20530/57 A GB20530/57 A GB 20530/57A GB 2053057 A GB2053057 A GB 2053057A GB 865969 A GB865969 A GB 865969A
- Authority
- GB
- United Kingdom
- Prior art keywords
- radiation
- phosphor
- excitation
- property
- rays
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000005284 excitation Effects 0.000 abstract 5
- 230000005855 radiation Effects 0.000 abstract 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 4
- 230000005684 electric field Effects 0.000 abstract 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 abstract 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- 239000000975 dye Substances 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 abstract 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 abstract 1
- 239000005083 Zinc sulfide Substances 0.000 abstract 1
- KSCQDDRPFHTIRL-UHFFFAOYSA-N auramine O Chemical compound [H+].[Cl-].C1=CC(N(C)C)=CC=C1C(=N)C1=CC=C(N(C)C)C=C1 KSCQDDRPFHTIRL-UHFFFAOYSA-N 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 229910052793 cadmium Inorganic materials 0.000 abstract 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 230000003467 diminishing effect Effects 0.000 abstract 1
- 230000005670 electromagnetic radiation Effects 0.000 abstract 1
- 239000004744 fabric Substances 0.000 abstract 1
- 230000004907 flux Effects 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000005286 illumination Methods 0.000 abstract 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 abstract 1
- 235000019341 magnesium sulphate Nutrition 0.000 abstract 1
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- 239000011572 manganese Substances 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
- 239000000123 paper Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- -1 polyethylene terephthalate Polymers 0.000 abstract 1
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract 1
- 239000005020 polyethylene terephthalate Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- UJMBCXLDXJUMFB-GLCFPVLVSA-K tartrazine Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)C1=NN(C=2C=CC(=CC=2)S([O-])(=O)=O)C(=O)C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 UJMBCXLDXJUMFB-GLCFPVLVSA-K 0.000 abstract 1
- 239000004149 tartrazine Substances 0.000 abstract 1
- 229960000943 tartrazine Drugs 0.000 abstract 1
- 235000012756 tartrazine Nutrition 0.000 abstract 1
- 239000004408 titanium dioxide Substances 0.000 abstract 1
- UQMZPFKLYHOJDL-UHFFFAOYSA-N zinc;cadmium(2+);disulfide Chemical compound [S-2].[S-2].[Zn+2].[Cd+2] UQMZPFKLYHOJDL-UHFFFAOYSA-N 0.000 abstract 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K4/00—Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
- G11C13/048—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using other optical storage elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
- H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
- H01J31/122—Direct viewing storage tubes without storage grid
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Luminescent Compositions (AREA)
- Optical Filters (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Conversion Of X-Rays Into Visible Images (AREA)
Abstract
865,969. Electroluminescent materials and uses. DU PONT DE NEMOURS & CO., E. I. June 28, 1957 [July 3, 1956], No. 20530/57. Class 39(1). Zinc sulphide or zinc-cadmium sulphide (up to 7% mol cadmium) activated within the critical range of 0.2-2.0% by weight of manganese is stated to have the property that luminescent energy stored in it by excitation radiation can be subsequently released as visible light by the application of an electric field; and this property is unaffected even by intense infra-red ambient illumination. The: property is used in a storage element, such as a tape, for the storage of information by means of the excitation radiation and its release by application of the electric field. An electric field of not more than 50,000 V/cm. may also be applied during excitation and the releasing field must then be greater than this (up to 150,000 V/cm.). Several applications of the same releasing field, which may be direct or alternating up to 500 kc./s., give succesive images of gradually diminishing intensity, or of the same intensity with successively increasing fields; the first may be used for monitoring purpose and the subsequent ones for actual recording. The excitation radiation may be electromagnetic radiation of wavelength below 5000Š, i.e. visible blue light, ultra-violet, X-rays and y-rays, and also α- and #-particles; but not electric fields or infrared. A filter dye against blue or ultra-violet radiation may be incorporated in the phosphor or in separate layers on each side of the phosphor layer. The time interval between the ending of excitation and the application of the releasing field may be as low as 15 secs. or as much as 20 hours. The phosphor is prepared by heating with a flux, such as an alkaline or alkaline-earth chloride or bromide or magnesium sulphate, to 550‹C. for 30 mins. A binder may be used, preferably a chlorosulphonated addition polymer of a mono- or di-olefin containing 2-5 carbon atoms per molecule, but many others are mentioned. The support may be any suitable film-forming material, many being mentioned but polyethylene terephthalate sheet being preferred; or paper, glass, metal, fabric. An X-ray sensitive element may have the phosphor on a metal support through which the rays act. A highly-reflective titanium dioxide layer may be used to exclude undesired radiation. Filter dyes may be Tartrazine, Auramine O, and many others. Fifteen detailed examples are given.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US595712A US3010043A (en) | 1956-07-03 | 1956-07-03 | Image storage elements and process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB865969A true GB865969A (en) | 1961-04-26 |
Family
ID=24384364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB20530/57A Expired GB865969A (en) | 1956-07-03 | 1957-06-28 | Luminescent image storage elements and the use thereof |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3010043A (en) |
| CH (1) | CH375754A (en) |
| DE (1) | DE1120036B (en) |
| GB (1) | GB865969A (en) |
| NL (2) | NL218640A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5816266A (en) * | 1997-02-27 | 1998-10-06 | Cone; Richard R. | Elongated toenail file and method of use |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3484752A (en) * | 1965-04-19 | 1969-12-16 | Univ New York | Apparatus for storing and visibly reproducing images using an electroluminescent cell exhibiting persistent internal polarization |
| CA854886A (en) * | 1967-01-13 | 1970-10-27 | West Colin | Electroluminescent device and their manufacture |
| US3617285A (en) * | 1969-10-21 | 1971-11-02 | William Joseph Staudenmayer | Light intensifying screens |
| JPS5917400B2 (en) * | 1979-07-11 | 1984-04-20 | 富士写真フイルム株式会社 | Radiographic image conversion panel |
| JPS5917399B2 (en) * | 1979-07-11 | 1984-04-20 | 富士写真フイルム株式会社 | Radiographic image conversion panel |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2385615A (en) * | 1942-07-01 | 1945-09-25 | Formica Insulation Company | Fluorescent sulphide pigment composition |
| US2478387A (en) * | 1944-06-10 | 1949-08-09 | Eastman Kodak Co | Phosphorescent materials |
| US2692948A (en) * | 1948-12-29 | 1954-10-26 | Kurt S Lion | Radiation responsive circuits |
| US2614082A (en) * | 1949-11-30 | 1952-10-14 | Rca Corp | Zinc sulfide type phosphors containing magnesium sulfide |
| US2780731A (en) * | 1951-08-24 | 1957-02-05 | Westinghouse Electric Corp | Controlling the luminosity of a phosphor screen |
| US2881353A (en) * | 1952-01-09 | 1959-04-07 | Hyman A Michlin | Producing luminescent images by electroluminescence |
| US2847386A (en) * | 1953-11-27 | 1958-08-12 | Rca Corp | Electroluminescent materials |
| NL184312B (en) * | 1954-01-14 | Single Buoy Moorings | MOORING EQUIPMENT WITH FENDERS GUIDED ON VERTICAL CABLES. | |
| CA687632A (en) * | 1954-05-28 | 1964-06-02 | Westinghouse Electric Corporation | X-ray fluoroscopic device |
| US2711481A (en) * | 1954-06-09 | 1955-06-21 | Haloid Co | Xeroradiography method and device |
| US2820146A (en) * | 1955-02-18 | 1958-01-14 | Du Pont | Intensifying screens |
| US2909703A (en) * | 1955-09-12 | 1959-10-20 | Gen Electric | Radiant energy intensification system and method |
| US2905830A (en) * | 1955-12-07 | 1959-09-22 | Rca Corp | Light amplifying device |
| US2883556A (en) * | 1956-05-31 | 1959-04-21 | Rca Corp | Light inverters |
-
0
- NL NL109312D patent/NL109312C/xx active
- NL NL218640D patent/NL218640A/xx unknown
-
1956
- 1956-07-03 US US595712A patent/US3010043A/en not_active Expired - Lifetime
-
1957
- 1957-06-28 GB GB20530/57A patent/GB865969A/en not_active Expired
- 1957-07-03 CH CH4793757A patent/CH375754A/en unknown
- 1957-07-03 DE DEP18842A patent/DE1120036B/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5816266A (en) * | 1997-02-27 | 1998-10-06 | Cone; Richard R. | Elongated toenail file and method of use |
Also Published As
| Publication number | Publication date |
|---|---|
| CH375754A (en) | 1964-03-15 |
| US3010043A (en) | 1961-11-21 |
| NL109312C (en) | |
| NL218640A (en) | |
| DE1120036B (en) | 1961-12-21 |
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