FR2140218A1 - - Google Patents

Info

Publication number
FR2140218A1
FR2140218A1 FR7219994A FR7219994A FR2140218A1 FR 2140218 A1 FR2140218 A1 FR 2140218A1 FR 7219994 A FR7219994 A FR 7219994A FR 7219994 A FR7219994 A FR 7219994A FR 2140218 A1 FR2140218 A1 FR 2140218A1
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
FR7219994A
Other languages
French (fr)
Other versions
FR2140218B1 (de
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.)
Qorvo US Inc
Original Assignee
Watkins Johnson 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
Application filed by Watkins Johnson Co filed Critical Watkins Johnson Co
Publication of FR2140218A1 publication Critical patent/FR2140218A1/fr
Application granted granted Critical
Publication of FR2140218B1 publication Critical patent/FR2140218B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/029—Schematic arrangements for beam forming
    • 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
    • H01J29/48—Electron guns
    • H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
FR7219994A 1971-06-03 1972-06-02 Expired FR2140218B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14944571A 1971-06-03 1971-06-03

Publications (2)

Publication Number Publication Date
FR2140218A1 true FR2140218A1 (de) 1973-01-12
FR2140218B1 FR2140218B1 (de) 1977-12-23

Family

ID=22530310

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7219994A Expired FR2140218B1 (de) 1971-06-03 1972-06-02

Country Status (7)

Country Link
US (1) US3740607A (de)
JP (1) JPS538185B1 (de)
DE (1) DE2226171A1 (de)
FR (1) FR2140218B1 (de)
GB (1) GB1334492A (de)
IT (1) IT956064B (de)
NL (1) NL7207528A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394169A1 (fr) * 1977-06-06 1979-01-05 Rca Corp Perfectionnements apportes aux tubes a rayons cathodiques
EP0569946A1 (de) * 1992-05-14 1993-11-18 Litton Systems, Inc. Hochauflösende Elektronenkanone

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980919A (en) * 1974-12-20 1976-09-14 Watkins-Johnson Company Rectangular beam laminar flow electron gun
JPS5677737A (en) * 1979-11-28 1981-06-26 Watanabe Denki Kogyo Kk Forward opposition method between headlight and tester for headlight tester
NL8204185A (nl) * 1982-10-29 1984-05-16 Philips Nv Kathodestraalbuis.
JPS6129045A (ja) * 1984-07-18 1986-02-08 Hitachi Ltd 撮像管装置
US4724359A (en) * 1986-10-17 1988-02-09 General Electric Company Laminar flow guns for light valves
US4871949A (en) * 1987-01-23 1989-10-03 Albert Abramson Cathode ray tube
US5343113A (en) * 1992-08-28 1994-08-30 Chang Kern K N Cathode ray tube apparatus with reduced beam spot size
US5442263A (en) * 1994-08-23 1995-08-15 David Sarnoff Research Center, Inc. Dynamic electrostatic and magnetic focusing apparatus for a cathode ray tube
JPH11260284A (ja) 1998-03-09 1999-09-24 Hitachi Ltd カラー陰極線管
US6800877B2 (en) * 2000-05-26 2004-10-05 Exaconnect Corp. Semi-conductor interconnect using free space electron switch
US6545425B2 (en) 2000-05-26 2003-04-08 Exaconnect Corp. Use of a free space electron switch in a telecommunications network
US7064500B2 (en) * 2000-05-26 2006-06-20 Exaconnect Corp. Semi-conductor interconnect using free space electron switch
US6801002B2 (en) * 2000-05-26 2004-10-05 Exaconnect Corp. Use of a free space electron switch in a telecommunications network
US6407516B1 (en) 2000-05-26 2002-06-18 Exaconnect Inc. Free space electron switch
CN112349567B (zh) * 2020-10-26 2023-03-14 中国科学院近代物理研究所 产生高重频频率脉冲电子束的热阴极电子枪及其使用方法
CN116130323A (zh) * 2021-05-27 2023-05-16 中科晶源微电子技术（北京）有限公司 浸没式磁透镜电子枪及其光轴对中的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2383751A (en) * 1942-05-07 1945-08-28 Int Standard Electric Corp Electron lens
US2581243A (en) * 1949-05-28 1952-01-01 Rca Corp Cathode of electron beam devices
US2935636A (en) * 1955-10-31 1960-05-03 Rca Corp Electron gun structure
US2902523A (en) * 1956-03-29 1959-09-01 California Research Corp Process for producing normally liquid olefinic hydrocarbons
US2888606A (en) * 1956-08-27 1959-05-26 Rca Corp Modulation control for cathode ray tubes
BE572338A (de) * 1957-12-03

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394169A1 (fr) * 1977-06-06 1979-01-05 Rca Corp Perfectionnements apportes aux tubes a rayons cathodiques
EP0569946A1 (de) * 1992-05-14 1993-11-18 Litton Systems, Inc. Hochauflösende Elektronenkanone

Also Published As

Publication number Publication date
US3740607A (en) 1973-06-19
GB1334492A (en) 1973-10-17
FR2140218B1 (de) 1977-12-23
DE2226171A1 (de) 1973-01-04
JPS538185B1 (de) 1978-03-25
NL7207528A (de) 1972-12-05
IT956064B (it) 1973-10-10

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Legal Events

Date Code Title Description
ST Notification of lapse