FR2522196B1 - Tube a rayons cathodiques a aberration spherique reduite - Google Patents

Tube a rayons cathodiques a aberration spherique reduite

Info

Publication number
FR2522196B1
FR2522196B1 FR8302769A FR8302769A FR2522196B1 FR 2522196 B1 FR2522196 B1 FR 2522196B1 FR 8302769 A FR8302769 A FR 8302769A FR 8302769 A FR8302769 A FR 8302769A FR 2522196 B1 FR2522196 B1 FR 2522196B1
Authority
FR
France
Prior art keywords
ray tube
cathode ray
spherical aberration
reduced spherical
reduced
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
FR8302769A
Other languages
English (en)
Other versions
FR2522196A1 (fr
Inventor
Aart Adrianus Van Gorkum
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2522196A1 publication Critical patent/FR2522196A1/fr
Application granted granted Critical
Publication of FR2522196B1 publication Critical patent/FR2522196B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
    • H01J29/566—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses for correcting aberration
    • 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
    • H01J29/62—Electrostatic lenses
    • H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
    • H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
FR8302769A 1982-02-22 1983-02-21 Tube a rayons cathodiques a aberration spherique reduite Expired FR2522196B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8200691A NL8200691A (nl) 1982-02-22 1982-02-22 Kathodestraalbuis.

Publications (2)

Publication Number Publication Date
FR2522196A1 FR2522196A1 (fr) 1983-08-26
FR2522196B1 true FR2522196B1 (fr) 1986-09-26

Family

ID=19839299

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8302769A Expired FR2522196B1 (fr) 1982-02-22 1983-02-21 Tube a rayons cathodiques a aberration spherique reduite

Country Status (10)

Country Link
US (1) US4567399A (fr)
JP (1) JPS58154142A (fr)
CA (1) CA1194081A (fr)
DD (1) DD217081A5 (fr)
DE (1) DE3305415A1 (fr)
ES (1) ES8401677A1 (fr)
FR (1) FR2522196B1 (fr)
GB (1) GB2115978B (fr)
IT (1) IT1171059B (fr)
NL (1) NL8200691A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8400841A (nl) * 1984-03-16 1985-10-16 Philips Nv Kathodestraalbuis.
US5154668A (en) 1989-04-06 1992-10-13 Schubert Keith E Single paper sheet forming a two-sided copy of information entered on both sides thereof
US6369512B1 (en) 1998-10-05 2002-04-09 Sarnoff Corporation Dual beam projection tube and electron lens therefor
FR3006499B1 (fr) 2013-05-31 2016-11-25 Commissariat Energie Atomique Lentille electrostatique a membrane isolante ou semiconductrice
US11373838B2 (en) * 2018-10-17 2022-06-28 Kla Corporation Multi-beam electron characterization tool with telecentric illumination

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2225917A (en) * 1937-06-02 1940-12-24 Gen Electric Electron discharge device
US2223040A (en) * 1937-06-30 1940-11-26 Gen Electric Electron discharge device
US2277414A (en) * 1941-07-02 1942-03-24 Gen Electric Electron lens
NL253491A (fr) * 1959-07-07
FR1272053A (fr) * 1959-07-07 1961-09-22 Rca Corp Perfectionnements aux tubes à rayons cathodiques
DE1134769B (de) * 1959-08-22 1962-08-16 Zeiss Carl Fa Vorrichtung zur Kompensation des OEffnungsfehlers einer rotations-symmetrischen, raumladungsfreien elektronenoptischen Linse
US3376447A (en) * 1963-12-16 1968-04-02 Philips Corp Cathode-ray image scanning tube using low-velocity electron beam with electrostatic deflection and anamorphotic lens for improved focussing
JPS5572346A (en) * 1978-11-27 1980-05-31 Nippon Telegr & Teleph Corp <Ntt> Electrostatic electron lens
NL7812540A (nl) * 1978-12-27 1980-07-01 Philips Nv Kathodestraalbuis.
JPS5691360A (en) * 1979-12-25 1981-07-24 Toshiba Corp Electron gun structure

Also Published As

Publication number Publication date
DE3305415A1 (de) 1983-09-01
IT8319660A0 (it) 1983-02-18
ES519896A0 (es) 1983-12-01
JPS58154142A (ja) 1983-09-13
GB2115978A (en) 1983-09-14
GB8304505D0 (en) 1983-03-23
IT1171059B (it) 1987-06-10
GB2115978B (en) 1985-12-18
DE3305415C2 (fr) 1991-10-24
ES8401677A1 (es) 1983-12-01
CA1194081A (fr) 1985-09-24
JPH0447939B2 (fr) 1992-08-05
DD217081A5 (de) 1985-01-02
FR2522196A1 (fr) 1983-08-26
NL8200691A (nl) 1983-09-16
US4567399A (en) 1986-01-28

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Legal Events

Date Code Title Description
ST Notification of lapse