FR2193252A1 - - Google Patents

Info

Publication number
FR2193252A1
FR2193252A1 FR7326136A FR7326136A FR2193252A1 FR 2193252 A1 FR2193252 A1 FR 2193252A1 FR 7326136 A FR7326136 A FR 7326136A FR 7326136 A FR7326136 A FR 7326136A FR 2193252 A1 FR2193252 A1 FR 2193252A1
Authority
FR
France
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.)
Granted
Application number
FR7326136A
Other languages
French (fr)
Other versions
FR2193252B1 (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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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
Priority claimed from US272778A external-priority patent/US3864596A/en
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of FR2193252A1 publication Critical patent/FR2193252A1/fr
Application granted granted Critical
Publication of FR2193252B1 publication Critical patent/FR2193252B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/58—Tubes 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/23—Digital 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/60—Mirrors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Electron Beam Exposure (AREA)
FR7326136A 1972-07-18 1973-07-17 Expired FR2193252B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27277972A 1972-07-18 1972-07-18
US272778A US3864596A (en) 1972-07-18 1972-07-18 Multiple electron mirror apparatus

Publications (2)

Publication Number Publication Date
FR2193252A1 true FR2193252A1 (en) 1974-02-15
FR2193252B1 FR2193252B1 (en) 1976-09-17

Family

ID=26955738

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7326136A Expired FR2193252B1 (en) 1972-07-18 1973-07-17

Country Status (6)

Country Link
JP (1) JPS4946652A (en)
DE (1) DE2336794A1 (en)
FR (1) FR2193252B1 (en)
GB (1) GB1436615A (en)
IT (1) IT1000034B (en)
NL (1) NL7309474A (en)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
DE2336794A1 (en) 1974-01-31
JPS4946652A (en) 1974-05-04
IT1000034B (en) 1976-03-30
GB1436615A (en) 1976-05-19
NL7309474A (en) 1974-01-22
FR2193252B1 (en) 1976-09-17

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Legal Events

Date Code Title Description
ST Notification of lapse