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Class Information
Number: 365/126
Name: Static information storage and retrieval > Information masking > Thermoplastic
Description: Subject matter wherein the radiation beam is altered by different thicknesses of a thermoplastic memory material.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7124441 Method and apparatus for securely associating an optically readable memory with a user machine Oct. 17, 2006
6320683 Optical information recording and reproducing apparatus using a volume holographic memory Nov. 20, 2001
6222755 Solid state holographic memory Apr. 24, 2001
6055174 Solid state holographic memory Apr. 25, 2000
5558884 System for rapidly producing either integrated circuits on a substrate, Interconnections on a printed circuit board or rapidly performing lithography Sep. 24, 1996
5448514 Ultra high density dimer memory device Sep. 5, 1995
5301145 Method and apparatus for recording and reading information, and an information recording element Apr. 5, 1994
5174943 Method for production of three-dimensional objects by stereolithography Dec. 29, 1992
5132934 Method and apparatus for storing digital information in the form of stored charges Jul. 21, 1992
5097443 Storage medium, storage method and stored information reading method Mar. 17, 1992
5088087 Dual-metal reflective layer recordable/erasable optical media Feb. 11, 1992
5079758 Single polymer layer recordable/erasable optical media Jan. 7, 1992
5032973 Optical recording material containing photochromic compounds Jul. 16, 1991
5026146 System for rapidly producing plastic parts Jun. 25, 1991
4990792 Method for the application and reading of, and bottle with optically readable code marks Feb. 5, 1991
4978578 Optical disk of polycarbonate Dec. 18, 1990
4922462 Reversible memory structure for optical reading and writing and which is capable of erasure May. 1, 1990
4831110 Co-polycarbonate copolymer from 2,2-bis(4-hydroxy-3-tertiary butyl phenyl)propane and optical disk May. 16, 1989
4811331 Medium for recording digital information using an array of equally spaced micromirrors Mar. 7, 1989
4807218 System for recording digital information using a regular array of discrete micromirrors Feb. 21, 1989
4803660 Optical recording medium Feb. 7, 1989
4780867 Method for erasably recording data by viscoelastic shear deformation Oct. 25, 1988
4757472 Electrophotographic optical memory system Jul. 12, 1988
4701879 Associative memory systems Oct. 20, 1987
4647947 Optical protuberant bubble recording medium Mar. 3, 1987
4631704 Methods and devices for charged beam accessible data storage Dec. 23, 1986
4621346 Low power CMOS fuse circuit Nov. 4, 1986
4599718 Method for erasing a light recording medium Jul. 8, 1986
4586165 Thermo-optic information writing process and information support for implementing this process Apr. 29, 1986
4577291 Thermo-optical data writing process and data medium for performing this process Mar. 18, 1986
4575822 Method and means for data storage using tunnel current data readout Mar. 11, 1986
4509145 Electrically biased optical storage medium Apr. 2, 1985
4410968 Method and apparatus for recording on a disk supported deformable metallic film Oct. 18, 1983
4405994 Thermo-optic information writing process and information support for implementing this process Sep. 20, 1983
4404656 Thermo-optical data writing process and data medium for performing this process Sep. 13, 1983
4371954 Reversible memory structure with thermo-optical writing and optical reading and process for writing and erasing said structure Feb. 1, 1983
4360895 Permanent memory structure with thermo-optical writing and optical reading and writing process in such a structure Nov. 23, 1982
4336998 Fingerprint transducer and reading apparatus Jun. 29, 1982
4223062 Curl resistant photoplastic film Sep. 16, 1980
4218688 Deformographic storage display system Aug. 19, 1980
4146930 Thermoplastic optical recording system Mar. 27, 1979
4105323 Process and apparatus for recording deformation images Aug. 8, 1978
4099262 Automatic memory control feedback system for a cycling optical imaging system Jul. 4, 1978
4065308 Deformation imaging element Dec. 27, 1977
4063222 Selective erasure of image recording devices Dec. 13, 1977
4053872 Thermoplastic optical recording medium using IR wave length Oct. 11, 1977
4051463 Method and apparatus for inverting the polarity of an input image formed on a surface of an image recording device Sep. 27, 1977
4041532 Method of recording wide-band signals on a thermoplastic film by use of a beam of electrons Aug. 9, 1977
4040047 Erasable thermo-optic storage display of a transmitted image Aug. 2, 1977
4033690 Process for the production or erasure or deformation images and apparatus for the performance of the process Jul. 5, 1977

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