IT8319660A0 - Tubo a raggi catodici. - Google Patents

Tubo a raggi catodici.

Info

Publication number: IT8319660A0
Authority: IT; Italy
Prior art keywords: ray tube; cathode ray; cathode; tube; ray
Prior art date: 1982-02-22

Application number

IT8319660A

Other languages

English (en)

Other versions

IT1171059B (it

Inventor

Aart Adrianus Van Gorkum

Original Assignee

Philips 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.)

1982-02-22

Filing date

1983-02-18

Publication date

1983-02-18

1983-02-18 Application filed by Philips Nv filed Critical Philips Nv

1983-02-18 Publication of IT8319660A0 publication Critical patent/IT8319660A0/it

1987-06-10 Application granted granted Critical

1987-06-10 Publication of IT1171059B publication Critical patent/IT1171059B/it

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

IT19660/83A 1982-02-22 1983-02-18 Tubo a raggi catodici IT1171059B (it)

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
IT8319660A0 true IT8319660A0 (it)	1983-02-18
IT1171059B IT1171059B (it)	1987-06-10

Family

ID=19839299

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT19660/83A IT1171059B (it)	1982-02-22	1983-02-18	Tubo a raggi catodici

Country Status (10)

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

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
FR1272053A (fr) *	1959-07-07	1961-09-22	Rca Corp	Perfectionnements aux tubes à rayons cathodiques
NL253491A (it) *	1959-07-07
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

1982
- 1982-02-22 NL NL8200691A patent/NL8200691A/nl not_active Application Discontinuation
1983
- 1983-01-17 US US06/458,231 patent/US4567399A/en not_active Expired - Fee Related
- 1983-02-17 DE DE19833305415 patent/DE3305415A1/de active Granted
- 1983-02-17 CA CA000421850A patent/CA1194081A/en not_active Expired
- 1983-02-18 IT IT19660/83A patent/IT1171059B/it active
- 1983-02-18 GB GB08304505A patent/GB2115978B/en not_active Expired
- 1983-02-18 ES ES519896A patent/ES8401677A1/es not_active Expired
- 1983-02-19 JP JP58025527A patent/JPS58154142A/ja active Granted
- 1983-02-21 FR FR8302769A patent/FR2522196B1/fr not_active Expired
- 1983-03-16 DD DD83248851A patent/DD217081A5/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
NL8200691A (nl)	1983-09-16
CA1194081A (en)	1985-09-24
JPH0447939B2 (it)	1992-08-05
FR2522196B1 (fr)	1986-09-26
GB2115978A (en)	1983-09-14
US4567399A (en)	1986-01-28
GB2115978B (en)	1985-12-18
DE3305415A1 (de)	1983-09-01
DD217081A5 (de)	1985-01-02
JPS58154142A (ja)	1983-09-13
IT1171059B (it)	1987-06-10
ES519896A0 (es)	1983-12-01
ES8401677A1 (es)	1983-12-01
DE3305415C2 (it)	1991-10-24
GB8304505D0 (en)	1983-03-23
FR2522196A1 (fr)	1983-08-26

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