JPS5246754A - Electric field emission type cold cathode - Google Patents

Electric field emission type cold cathode

Info

Publication number
JPS5246754A
JPS5246754A JP12252175A JP12252175A JPS5246754A JP S5246754 A JPS5246754 A JP S5246754A JP 12252175 A JP12252175 A JP 12252175A JP 12252175 A JP12252175 A JP 12252175A JP S5246754 A JPS5246754 A JP S5246754A
Authority
JP
Japan
Prior art keywords
electric field
field emission
cold cathode
emission type
type cold
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
JP12252175A
Other languages
Japanese (ja)
Inventor
Ushio Kawabe
Masaaki Futamoto
Hisao Yamauchi
Toshiyuki Aida
Isamu Yuhito
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 JP12252175A priority Critical patent/JPS5246754A/en
Publication of JPS5246754A publication Critical patent/JPS5246754A/en
Pending legal-status Critical Current

Links

Landscapes

  • Cold Cathode And The Manufacture (AREA)

Abstract

PURPOSE: Using cathode chip made of an alloy using iron for its main composite element, a low-cost and easy-to-handle electron line source which features low operation vacuum atmosphere and reduced electron discharge current with no reproduction operation required.
COPYRIGHT: (C)1977,JPO&Japio
JP12252175A 1975-10-13 1975-10-13 Electric field emission type cold cathode Pending JPS5246754A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12252175A JPS5246754A (en) 1975-10-13 1975-10-13 Electric field emission type cold cathode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12252175A JPS5246754A (en) 1975-10-13 1975-10-13 Electric field emission type cold cathode

Publications (1)

Publication Number Publication Date
JPS5246754A true JPS5246754A (en) 1977-04-13

Family

ID=14837900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12252175A Pending JPS5246754A (en) 1975-10-13 1975-10-13 Electric field emission type cold cathode

Country Status (1)

Country Link
JP (1) JPS5246754A (en)

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