JPS5250681A - Field radiation type electronic gun - Google Patents

Field radiation type electronic gun

Info

Publication number
JPS5250681A
JPS5250681A JP12635575A JP12635575A JPS5250681A JP S5250681 A JPS5250681 A JP S5250681A JP 12635575 A JP12635575 A JP 12635575A JP 12635575 A JP12635575 A JP 12635575A JP S5250681 A JPS5250681 A JP S5250681A
Authority
JP
Japan
Prior art keywords
type electronic
field radiation
radiation type
electronic gun
vapor
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.)
Pending
Application number
JP12635575A
Other languages
Japanese (ja)
Inventor
Satoru Fukuhara
Norio Saito
Hideo Todokoro
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12635575A priority Critical patent/JPS5250681A/en
Publication of JPS5250681A publication Critical patent/JPS5250681A/en
Pending legal-status Critical Current

Links

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  • Electron Sources, Ion Sources (AREA)

Abstract

PURPOSE: A vapor source is composed of a filament or ribbon comprising an evaporating material and is directly energized from a constant voltage power source to be heated and evaporated, whereby the control of the thickness of vapor-deposited film is made easier.
COPYRIGHT: (C)1977,JPO&Japio
JP12635575A 1975-10-22 1975-10-22 Field radiation type electronic gun Pending JPS5250681A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12635575A JPS5250681A (en) 1975-10-22 1975-10-22 Field radiation type electronic gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12635575A JPS5250681A (en) 1975-10-22 1975-10-22 Field radiation type electronic gun

Publications (1)

Publication Number Publication Date
JPS5250681A true JPS5250681A (en) 1977-04-22

Family

ID=14933121

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12635575A Pending JPS5250681A (en) 1975-10-22 1975-10-22 Field radiation type electronic gun

Country Status (1)

Country Link
JP (1) JPS5250681A (en)

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