FR935241A - Development of high voltage electrostatic electronic lenses - Google Patents

Development of high voltage electrostatic electronic lenses

Info

Publication number
FR935241A
FR935241A FR935241DA FR935241A FR 935241 A FR935241 A FR 935241A FR 935241D A FR935241D A FR 935241DA FR 935241 A FR935241 A FR 935241A
Authority
FR
France
Prior art keywords
development
high voltage
voltage electrostatic
electronic lenses
electrostatic electronic
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
Other languages
French (fr)
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Application granted granted Critical
Publication of FR935241A publication Critical patent/FR935241A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/10—Lenses
    • H01J37/12—Lenses electrostatic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Beam Exposure (AREA)
FR935241D 1946-10-18 1946-10-18 Development of high voltage electrostatic electronic lenses Expired FR935241A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR935241T 1946-10-18

Publications (1)

Publication Number Publication Date
FR935241A true FR935241A (en) 1948-06-14

Family

ID=9456625

Family Applications (1)

Application Number Title Priority Date Filing Date
FR935241D Expired FR935241A (en) 1946-10-18 1946-10-18 Development of high voltage electrostatic electronic lenses

Country Status (3)

Country Link
US (1) US2533790A (en)
CH (1) CH265328A (en)
FR (1) FR935241A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0449740A1 (en) * 1990-03-30 1991-10-02 Orsay Physics Charged particle beam focussing device

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2845571A (en) * 1953-04-17 1958-07-29 Kazan Benjamin Electrostatically focused traveling wave tube
US3320458A (en) * 1962-01-18 1967-05-16 Nippon Electric Co Cathode ray tubes employing a novel convergent electrostatic lens system for beam modulation
US3560780A (en) * 1968-05-27 1971-02-02 Itt Vacuum tube with coaxial assembly of electrostatic focusing means and electron gun mount
US3912930A (en) * 1973-09-26 1975-10-14 Physics Int Co Electron beam focusing system
US4223318A (en) * 1977-12-09 1980-09-16 International Business Machines Corporation Method and apparatus for compensating for instability of a stream of droplets
JPH0831336A (en) * 1994-07-13 1996-02-02 Sony Corp Main lens member of electron gun, and electron gun
DE19824783A1 (en) 1998-06-03 1999-12-16 Siemens Ag Device for forming an electron beam, method for producing the device and application

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR955341A (en) * 1941-12-31 1950-01-14

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0449740A1 (en) * 1990-03-30 1991-10-02 Orsay Physics Charged particle beam focussing device
FR2660485A1 (en) * 1990-03-30 1991-10-04 Orsay Physics DEVICE FOR FOCUSING A BEAM OF CHARGED PARTICLES.

Also Published As

Publication number Publication date
US2533790A (en) 1950-12-12
CH265328A (en) 1949-11-30

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