GB1342422A - Information storage systems - Google Patents

Information storage systems

Info

Publication number
GB1342422A
GB1342422A GB139271A GB139271A GB1342422A GB 1342422 A GB1342422 A GB 1342422A GB 139271 A GB139271 A GB 139271A GB 139271 A GB139271 A GB 139271A GB 1342422 A GB1342422 A GB 1342422A
Authority
GB
United Kingdom
Prior art keywords
semiconductor
data
spot
electromagnetic energy
size
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
Application number
GB139271A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Energy Conversion Devices Inc
Original Assignee
Energy Conversion Devices Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Energy Conversion Devices Inc filed Critical Energy Conversion Devices Inc
Publication of GB1342422A publication Critical patent/GB1342422A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/705—Compositions containing chalcogenides, metals or alloys thereof, as photosensitive substances, e.g. photodope systems
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/08—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being inorganic
    • G03G5/082—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being inorganic and not being incorporated in a bonding material, e.g. vacuum deposited
    • 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
    • G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0004—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements comprising amorphous/crystalline phase transition cells
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Read Only Memory (AREA)
  • Semiconductor Memories (AREA)
GB139271A 1970-03-09 1971-01-12 Information storage systems Expired GB1342422A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1764170A 1970-03-09 1970-03-09

Publications (1)

Publication Number Publication Date
GB1342422A true GB1342422A (en) 1974-01-03

Family

ID=21783728

Family Applications (1)

Application Number Title Priority Date Filing Date
GB139271A Expired GB1342422A (en) 1970-03-09 1971-01-12 Information storage systems

Country Status (5)

Country Link
US (1) US3665425A (https=)
DE (1) DE2102635C3 (https=)
FR (1) FR2083918A5 (https=)
GB (1) GB1342422A (https=)
NL (1) NL7102042A (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778785A (en) * 1972-04-20 1973-12-11 Ibm Method for writing information at nanosecond speeds and a memory system therefor
NL161284C (nl) * 1972-09-02 1980-01-15 Philips Nv Weergavestelsel voor een optisch uitleesbare informatie- structuur, alsmede registratiedrager voor gebruik daarin.
DE2441263A1 (de) * 1974-08-28 1976-03-18 Philips Patentverwaltung Aufzeichnungsverfahren
US3959799A (en) * 1974-09-09 1976-05-25 International Business Machines Corporation Information storage by laser beam initiated reactions
US4410968A (en) * 1977-03-24 1983-10-18 Thomas Lee Siwecki Method and apparatus for recording on a disk supported deformable metallic film
NL7705111A (nl) * 1977-05-10 1978-11-14 Philips Nv Magneetband met optische waarneembare mar- keringen en werkwijze voor het vervaardigen van een dergelijke band.
US4183094A (en) * 1978-03-20 1980-01-08 Xerox Corporation Optical storage medium using the frequency domain
JPS5545166A (en) * 1978-09-25 1980-03-29 Matsushita Electric Ind Co Ltd Recording and reproducing method for optical information
US4480169A (en) * 1982-09-13 1984-10-30 Macken John A Non contact laser engraving apparatus
DE3601265A1 (de) * 1985-01-18 1986-07-24 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa Optisches system fuer informationsaufzeichnung
EP0325838A3 (en) * 1988-01-22 1990-07-25 Energy Conversion Devices, Inc. Optical data storage drum, drive, and method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3314073A (en) * 1964-10-20 1967-04-11 Prec Instr Company Laser recorder with vaporizable film
US3475760A (en) * 1966-10-07 1969-10-28 Ncr Co Laser film deformation recording and erasing system
IL32745A (en) * 1968-08-22 1973-06-29 Energy Conversion Devices Inc Method and apparatus for producing,storing and retrieving information
US3530441A (en) * 1969-01-15 1970-09-22 Energy Conversion Devices Inc Method and apparatus for storing and retrieving information

Also Published As

Publication number Publication date
DE2102635B2 (de) 1981-04-30
FR2083918A5 (https=) 1971-12-17
NL7102042A (https=) 1971-09-13
US3665425A (en) 1972-05-23
DE2102635C3 (de) 1986-10-23
DE2102635A1 (de) 1971-09-23

Similar Documents

Publication Publication Date Title
US3696344A (en) Optical mass memory employing amorphous thin films
GB1342422A (en) Information storage systems
Rajchman Promise of optical memories
EP0627116B1 (en) Optical memory
GB1320538A (en) Fourier transform holographic storage and retrieval apparatus
US3887906A (en) Optical associative memory using complementary magnetic bubble shift registers
US3676864A (en) Optical memory apparatus
US3866238A (en) Laser diode for use with film memory system
US4034355A (en) Holographic digital data processing system with sequential data storage and retrieval
US3572881A (en) Large-capacity associative memory employing holography
GB1344795A (en) Method for making holograms
US3833893A (en) Holographic memory including corner reflectors
GB1360670A (en) Sonic page composer for holographic memory
US3651498A (en) Holographic storage and retrieval system
EP0513062B1 (en) Data storage medium and methods for recording and reading of data
US3877801A (en) Image translation apparatus
GB1395592A (en) Magnetic domain store
US4432071A (en) Apparatus for fast access to a series of stored images
US3547509A (en) Holographic recording media
US3603801A (en) Electrooptic information read-out device using polarized laser light
US3902788A (en) Optical memory system for reading, writing and erasing information
US3700791A (en) Character generator utilizing a display with photochromic layer
GB1386221A (en) Computer memory device
US3505658A (en) Beam addressable memory system
US3531785A (en) High-density storage optical register

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees
PE20 Patent expired after termination of 20 years