GB1271927A - Display apparatus - Google Patents

Display apparatus

Info

Publication number
GB1271927A
GB1271927A GB25121/70A GB2512170A GB1271927A GB 1271927 A GB1271927 A GB 1271927A GB 25121/70 A GB25121/70 A GB 25121/70A GB 2512170 A GB2512170 A GB 2512170A GB 1271927 A GB1271927 A GB 1271927A
Authority
GB
United Kingdom
Prior art keywords
electrode
electron beam
erasure
thick
gaas
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
GB25121/70A
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1271927A publication Critical patent/GB1271927A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/23Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using electrostatic storage on a common layer, e.g. Forrester-Haeff tubes or William tubes
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04Digital 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
    • G11C13/048Digital 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/36Photoelectric screens; Charge-storage screens
    • H01J29/39Charge-storage screens
    • H01J29/44Charge-storage screens exhibiting internal electric effects caused by particle radiation, e.g. bombardment-induced conductivity
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00Cathode ray tubes; Electron beam tubes
    • H01J31/08Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/58Tubes for storage of image or information pattern or for conversion of definition of television or like images, i.e. having electrical input and electrical output
    • H01J31/60Tubes for storage of image or information pattern or for conversion of definition of television or like images, i.e. having electrical input and electrical output having means for deflecting, either selectively or sequentially, an electron ray on to separate surface elements of the screen
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10BELECTRONIC MEMORY DEVICES
    • H10B99/00Subject matter not provided for in other groups of this subclass
    • H10B99/22Subject matter not provided for in other groups of this subclass including field-effect components
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D99/00Subject matter not provided for in other groups of this subclass
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10HINORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H29/00Integrated devices, or assemblies of multiple devices, comprising at least one light-emitting semiconductor element covered by group H10H20/00
    • H10H29/10Integrated devices comprising at least one light-emitting semiconductor component covered by group H10H20/00
    • H10H29/14Integrated devices comprising at least one light-emitting semiconductor component covered by group H10H20/00 comprising multiple light-emitting semiconductor components
    • H10H29/142Two-dimensional arrangements, e.g. asymmetric LED layout

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Semiconductor Memories (AREA)
  • Measurement Of Radiation (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
GB25121/70A 1969-06-02 1970-05-26 Display apparatus Expired GB1271927A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82959769A 1969-06-02 1969-06-02
US85909769A 1969-09-18 1969-09-18

Publications (1)

Publication Number Publication Date
GB1271927A true GB1271927A (en) 1972-04-26

Family

ID=27125283

Family Applications (2)

Application Number Title Priority Date Filing Date
GB25121/70A Expired GB1271927A (en) 1969-06-02 1970-05-26 Display apparatus
GB4389970A Expired GB1330165A (en) 1969-06-02 1970-09-15 Signal storage device

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB4389970A Expired GB1330165A (en) 1969-06-02 1970-09-15 Signal storage device

Country Status (4)

Country Link
DE (2) DE2025025A1 (https=)
FR (2) FR2052345A5 (https=)
GB (2) GB1271927A (https=)
NL (1) NL7013452A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6473388B1 (en) * 2000-08-31 2002-10-29 Hewlett Packard Company Ultra-high density information storage device based on modulated cathodoconductivity

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3403284A (en) * 1966-12-29 1968-09-24 Bell Telephone Labor Inc Target structure storage device using diode array

Also Published As

Publication number Publication date
DE2045843C3 (de) 1982-02-04
DE2045843A1 (https=) 1971-04-01
GB1330165A (en) 1973-09-12
NL7013452A (https=) 1971-03-22
DE2025025A1 (https=) 1970-12-10
FR2052345A5 (https=) 1971-04-09
FR2061786B1 (https=) 1976-12-03
FR2061786A1 (https=) 1971-06-25
DE2045843B2 (de) 1981-05-14

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees