| Patent Number |
Title Of Patent |
Date Issued |
| 5502706 |
Optical storage medium utilizing electron trapping film layers sandwiched with electrodes |
March 26, 1996 |
| A three-dimensional optical memory based on stacked thin film electron trapping layers. Each thin film electron trapping layer is sandwiched between pairs of insulating layers and transparent electrodes. When an electric field is applied across the electron trapping layer via the ele |
| 5321270 |
Compact vector-matrix multiplier system employing electron trapping materials |
June 14, 1994 |
| A vector-matrix multiplier in which a matrix is stored in an electron trapping material by exposing the material to visible light passed through a liquid crystal device, which acts as a mask. The visible light raises electrons in the electron trapping material to a higher energy level at |
| 5163039 |
Three-dimensional optical memory system |
November 10, 1992 |
| A three-dimensional optical memory system is disclosed which utilizes at least two layers of electron trapping media having different sensitivities to visible light coated on a substrate to store data in the form of light energy. Data is written onto the substrate, which may be in the fo |
| 5144145 |
Optical image subtraction employing electron trapping materials |
September 1, 1992 |
| A method for using electron trapping materials to perform subtraction of images. One image is written onto a 2-dimensional screen of electron trapping material. A second image that has many of the elements of the first, but less than the total number of elements of the first, is erased |
| 5142493 |
Optical disk employing electron trapping material as a storage medium |
August 25, 1992 |
| An erasable optical disk drive system is disclosed which utilizes an electron trapping media coated on the disk surface to store data in the form of light energy. Data is written onto the disk, which is contained in a light-tight contamination-free environment similar to a Winchester har |
| 5134686 |
Compact vector-matrix multiplier system employing electron trapping materials |
July 28, 1992 |
| A vector-matrix multiplier in which a matrix is stored in an electron trapping material by exposing the material to visible light passed through a liquid crystal device, which acts as a mask. The visible light raises electrons in the electron trapping material to a higher energy level at |
| 5124558 |
Imaging system for mamography employing electron trapping materials |
June 23, 1992 |
| A high resolution photostimulable storage phosphor screen for breast imaging using X-rays. The phosphor material for storing the image, SrS;Ce,Sm, is appropriately milled to a fine powder and dispersed, using appropriate methods, with high particle packing density, on a supporting su |
| 5091653 |
Fiber optic dosimeter using electron trapping materials employing technique for eliminating back |
February 25, 1992 |
| A fiber optic dosimeter in which an electron trapping material is held in a probe on the tip of an optical fiber. The probe is placed in a region with the radiation to be measured, and the opposite end of the optical fiber, from which radiation readings are measured, is placed in a locat |
| 5065023 |
Solid state high resolution photography and imaging using electron trapping materials |
November 12, 1991 |
| A photography and imaging system and method using electron trapping materials. An input image is formed on an imaging plate having a layer of the electron trapping material disposed thereon. Electrons of the electron trapping material are excited from a ground level to a trapping level i |
| 5043097 |
Photoluminescent material for outputting reddish-orange light with reduced phosphorescence after |
August 27, 1991 |
| A photoluminescent material used for detection of infrared light is prepared using a base material, first and second dopants, a carbonate of the base material, and a fusible salt. The base material is an alkaline earth metal sulfide such as calcium sulfide. Calcium carbonate is used to |
| 5030834 |
Fiber optic dosimeter system using electron trapping materials |
July 9, 1991 |
| A fiber optic dosimeter in which an electron trapping material is coated onto a tip of an optical fiber. The tip is placed in a region where radiation is to be measured, and the opposite end of the optical fiber, from which radiation readings are measured, is placed in a location remote |
| 5029253 |
Spatial light modulator using electron trapping materials |
July 2, 1991 |
| A novel, high-speed spatial light modulator utilizing electron trapping materials. The electron trapping material is exposed to a pattern of modulating radiation, resulting in the excitation of electrons in the material at spatial locations corresponding to the pattern. When the light |
| 5028793 |
Imaging screen for electrophoresis applications |
July 2, 1991 |
| An imaging screen for detecting and storing information corresponding to the pattern of emission from an electrophoresis gel containing radioactively labelled, dye-tagged or chemiluminescent labelled DNA, RNA, or protein fragments. The imaging screen is coated with an electron trappi |
| 5012098 |
Photomultiplier with infrared sensitivity |
April 30, 1991 |
| An efficient energy upconversion unit is optically coupled to a photomultiplier. The upconversion unit receives incident infrared electromagnetic energy of longer wavelengths and emits, in response, visible light of shorter wavelengths to which the photomultiplier is more responsive. |
| 5007037 |
Optical disk drive system utilizing electron trapping media for data storage |
April 9, 1991 |
| An erasable optical disk drive system is disclosed which utilizes an electron trapping media coated on the disk surface to store data in the form of light energy. Data is written onto the disk, which is contained in a light-tight contamination-free environment similar to a Winchester har |
| 5006366 |
Photoluminescent material for outputting orange light with reduced phosphorescence after chargin |
April 9, 1991 |
| A photoluminescent material used for detection of infrared light is prepared using a base material, first and second dopants, a carbonate of the base material, and a fusible salt. The base material is an alkaline earth metal sulfide such as strontium sulfide. Strontium carbonate is used |
| 4992302 |
Process for making photoluminescent materials |
February 12, 1991 |
| Photoluminescent materials useful for detection of infrared light are prepared using a base material, first and second dopants, barium sulfate and a fusible salt. The base material is an alkaline earth metal sulfide such as strontium sulfide, calcium sulfide, or a mixture of strontium |
| 4983834 |
Large area particle detector system |
January 8, 1991 |
| An improved method and apparatus for detecting and storing for later readout the impingement of certain nuclear particles utilizing a particle detector system having a large area particle detector including a thin or thick film of electron trapping material is disclosed, in which, upon |
| 4979935 |
Method of photodynamic therapy employing electron trapping material |
December 25, 1990 |
| A method of photodynamic therapy employing an electron trapping material as the light source. The electron trapping material is charged with light, which raises electrons in the material from a ground level to a higher trapping energy level. The material is then introduced into a patient |
| 4940603 |
Thin film inorganic scintillator and method of making same |
July 10, 1990 |
| An article, having particular use as a scintillator, includes a thin film of calcium sulfide on a substrate, such as alumina, quartz, sapphire, or most glasses. The material is first formed in bulk with cerium sulfide, cerium oxide, or cerium, and lithium fluoride. The material is applie |
| 4915982 |
Method of making thin film photoluminescent articles |
April 10, 1990 |
| An article, having particular use as an optical memory medium, includes a thin electron trapping photoluminescent film upon a substrate. In one preferred embodiment, a selected material is prepared in bulk, then applied in a relatively thin film to a substrate, and then heated to a s |
| 4891507 |
Apparatus for extending the infrared response of photocathodes |
January 2, 1990 |
| An efficient energy upconversion unit is optically coupled to a photocathode. The upconversion unit receives incident infrared electromagnetic energy of longer wavelengths and emits, in response, electromagnetic energy within a band of shorter wavelengths to which the photocathode is |
| 4880475 |
Method for making stable optically transmissive conductors, including electrodes for electrolumi |
November 14, 1989 |
| Disclosed are optically transmissive conductors, particulary resistive electrodes for optical devices such as electroluminescent lamps and displays, comprising a thin layer of indium tin oxide (ITO) stabilized by a layer of a metal oxide, such as palladium oxide or nickel oxide. In the |
| 4879186 |
Photoluminescent materials for outputting reddish-orange light and a process for making the same |
November 7, 1989 |
| Photoluminescent materials useful for detection of infrared light are prepared using a base material, first and second dopants and a fusible salt. The base material is an alkaline earth metal sulfide such as calcium sulfide. Lithium fluoride is used to enhance the interdiffusion of m |
| 4864536 |
Optical memory system and method of using the same |
September 5, 1989 |
| An optical memory system and associated method uses electron trapping materials. Data may be written into an optical memory made of the electron trapping material by application of a visible light source to the material. The visible light source causes electrons to be trapped in the |
| 4855879 |
High-luminance radioluminescent lamp |
August 8, 1989 |
| In a preferred embodiment, a radioluminescent lamp having a glass face plate with a plurality of parallel planar light guides, each preferably having a transparent glass, sapphire or quartz base member, disposed perpendicularly with respect to the glass face plate and coated on both |
| 4855603 |
Photoluminescent materials for radiography |
August 8, 1989 |
| Photoluminescent materials for radiography are prepared using a base material, first and second dopants and a fusible salt. The base material is an alkaline earth metal sulfide such as strontium sulfide. Lithium fluoride is used to enhance the interdiffusion of materials. Samarium and |
| 4842960 |
High efficiency photoluminescent material for optical upconversion |
June 27, 1989 |
| Photoluminescent materials useful for photonic applications are prepared using a dual base material, first, second and third dopants, and a fusable salt. The base materials are alkaline earth metal sulfides, such as strontium and cerium sulfides. Lithium fluoride is used to enhance the |
| 4839092 |
Photoluminescent materials for outputting orange light |
June 13, 1989 |
| Photoluminescent materials useful for detection of infrared light are prepared using a base material, first and second dopants, barium sulfate and a fusable salt. The base material is an alkaline earth metal sulfide or selenide such as strontium sulfide. Barium sulfate is used to increas |
| 4830875 |
Photoluminescent materials and associated process and infrared sensing device |
May 16, 1989 |
| Photoluminescent materials useful for detection of infrared light are constructed using a base material of strontium sulfide. Barium sulfate is used to increase brightness of output light of the materials, whereas lithium floride is used to allow the material to be fused together. Sa |
| 4822520 |
Photoluminescent materials for outputting blue-green light |
April 18, 1989 |
| Photoluminescent materials useful for detection of infrared light are prepared using a base material, first and second dopants, barium sulfate and a fusable salt. The base material is an alkaline earth metal sulfide or selenide such as strontium sulfide. Barium sulfate is used to increas |
| 4818434 |
Thermoluminescent material including fusible salt |
April 4, 1989 |
| Materials having thermoluminescent properties use a base material and two dopants and made from a process of mixing the parts together, heating the mixture to fuse together, grinding the mass into a fine powder, and reheating the powder. The resultant powder may be combined with a vehicl |
| 4812660 |
Photoluminescent materials for outputting yellow-green light |
March 14, 1989 |
| Photoluminescent materials useful for detection of infrared light are prepared using a base material, first and second dopants and a fusible salt. The base material is an alkaline earth metal sulfide such as calcium sulfide. Lithium fluoride is used to enhance the interdiffusion of m |
| 4812659 |
Infrared sensing device outputting blue-green light |
March 14, 1989 |
| Photoluminescent materials useful for detection of infrared light are prepared using a base material, first and second dopants, barium sulfate and a fusable salt. The base material is an alkaline earth metal sulfide or selenide such as strontium sulfide. Barium sulfate is used to increas |
| 4806772 |
Infrared sensing device outputting orange light and a process for making the same |
February 21, 1989 |
| Photoluminescent materials useful for detection of infrared light are prepared using a base material, first and second dopants, barium sulfate and a fusable salt. The base material is an alkaline earth metal sulfide or selenide such as strontium sulfide. Barium sulfate is used to increas |
| 4755324 |
Thermoluminescent material |
July 5, 1988 |
| Materials having thermoluminescent properties use a base material and two dopants and made from a process of mixing the parts together, heating the mixture to fuse together, grinding the mass into a fine powder, and reheating the powder. The resultant powder may be combined with a vehicl |
| 4748375 |
Stable optically transmissive conductors, including electrodes for electroluminescent devices, a |
May 31, 1988 |
| Disclosed are optically transmissive conductors, particularly resistive electrodes for optical devices such as electroluminescent lamps and displays, comprising a thin layer of indium tin oxide (ITO) stabilized by a layer of a metal oxide, such as palladium oxide or nickel oxide. In the |
| 4705952 |
Communications apparatus using infrared-triggered phosphor for receiving infrared signals |
November 10, 1987 |
| An infrared communications device includes a novel infrared-triggered phosphor which stores energy in the form of visible light of a first wavelength and releases energy in the form of visible light of a second wavelength when triggered by infrared light. Modulated infrared input sig |
| 4693906 |
Dielectric for electroluminescent devices, and methods for making |
September 15, 1987 |
| Disclosed are electroluminescent devices employing a stabilized tantalum sub-oxide as a dielectric. The tantalum sub-oxide is a non-stoichiometric oxide of the general form Ta.sub.2 O.sub.m, where 4.5<m<5.0, stabilized by bonds with suitable anions such as OH. In a disclosed method |
