Classifications

• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
  • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
  • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
  • G11B7/128—Modulators
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
  • G11B23/0057—Intermediate mediums, i.e. mediums provided with an information structure not specific to the method of reproducing or duplication such as matrixes for mechanical pressing of an information structure ; record carriers having a relief information structure provided with or included in layers not specific for a single reproducing method; apparatus or processes specially adapted for their manufacture
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
  • H01J37/30—Electron-beam or ion-beam tubes for localised treatment of objects
  • H01J37/302—Controlling tubes by external information, e.g. programme control

Landscapes

• Physics & Mathematics (AREA)
• Optics & Photonics (AREA)
• Chemical & Material Sciences (AREA)
• Analytical Chemistry (AREA)
• Optical Recording Or Reproduction (AREA)
• Manufacturing Optical Record Carriers (AREA)
• Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

Applications Claiming Priority (1)

Publications (2)

Family

ID=5778713

Family Applications (1)

Country Status (13)

Families Citing this family (22)

Family Cites Families (3)

• 1970
  • 1970-08-01 DE DE19702038453 patent/DE2038453B2/de not_active Withdrawn
• 1971
  • 1971-07-13 AT AT610271A patent/AT315255B/de not_active IP Right Cessation
  • 1971-07-13 DK DK346171A patent/DK132677C/da active
  • 1971-07-14 NL NL7109736A patent/NL7109736A/xx unknown
  • 1971-07-14 SE SE7109138A patent/SE380123B/xx unknown
  • 1971-07-22 ES ES393538A patent/ES393538A1/es not_active Expired
  • 1971-07-23 CH CH1091971A patent/CH568634A5/xx not_active IP Right Cessation
  • 1971-07-29 FR FR7127943A patent/FR2101172B1/fr not_active Expired
  • 1971-07-30 CA CA119519A patent/CA934873A/en not_active Expired
  • 1971-07-30 BE BE770770A patent/BE770770A/xx unknown
  • 1971-08-02 AU AU31927/71A patent/AU459582B2/en not_active Expired
  • 1971-08-02 GB GB3625571A patent/GB1365314A/en not_active Expired
  • 1971-08-02 US US00168073A patent/US3737589A/en not_active Expired - Lifetime

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