JPS53105168A - Electron gun - Google Patents

Electron gun

Info

Publication number
JPS53105168A
JPS53105168A JP2001477A JP2001477A JPS53105168A JP S53105168 A JPS53105168 A JP S53105168A JP 2001477 A JP2001477 A JP 2001477A JP 2001477 A JP2001477 A JP 2001477A JP S53105168 A JPS53105168 A JP S53105168A
Authority
JP
Japan
Prior art keywords
electron gun
electrode
rotation asymmetrical
grid
reducting
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.)
Granted
Application number
JP2001477A
Other languages
Japanese (ja)
Other versions
JPS616970B2 (en
Inventor
Kozo Tateishi
Toshiko Ishigaki
Takafumi Ohara
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP2001477A priority Critical patent/JPS53105168A/en
Publication of JPS53105168A publication Critical patent/JPS53105168A/en
Publication of JPS616970B2 publication Critical patent/JPS616970B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: The 1st and 2nd grid electrode apertures are made into the rotation asymmetrical constitution and between the 2nd and 3rd grid electrodes, more than one electrode with a rotation asymmetrical aperture is added to vary the electron divergence in the lateral and longitudinal directions by the applied voltage from the outside and voltage ratio, thereby reducting the aberration of a lens.
COPYRIGHT: (C)1978,JPO&Japio
JP2001477A 1977-02-24 1977-02-24 Electron gun Granted JPS53105168A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001477A JPS53105168A (en) 1977-02-24 1977-02-24 Electron gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001477A JPS53105168A (en) 1977-02-24 1977-02-24 Electron gun

Publications (2)

Publication Number Publication Date
JPS53105168A true JPS53105168A (en) 1978-09-13
JPS616970B2 JPS616970B2 (en) 1986-03-03

Family

ID=12015242

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001477A Granted JPS53105168A (en) 1977-02-24 1977-02-24 Electron gun

Country Status (1)

Country Link
JP (1) JPS53105168A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03115962U (en) * 1990-02-28 1991-12-02

Also Published As

Publication number Publication date
JPS616970B2 (en) 1986-03-03

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