JPH0614391Y2 - 磁界フリ−型熱陰極構造体 - Google Patents

磁界フリ−型熱陰極構造体

Info

Publication number
JPH0614391Y2
JPH0614391Y2 JP1987017800U JP1780087U JPH0614391Y2 JP H0614391 Y2 JPH0614391 Y2 JP H0614391Y2 JP 1987017800 U JP1987017800 U JP 1987017800U JP 1780087 U JP1780087 U JP 1780087U JP H0614391 Y2 JPH0614391 Y2 JP H0614391Y2
Authority
JP
Japan
Prior art keywords
hot cathode
cathode structure
magnetic field
insulator
type hot
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 - Lifetime
Application number
JP1987017800U
Other languages
English (en)
Japanese (ja)
Other versions
JPS63127056U (enExample
Inventor
鈴弥 山田
光明 斉藤
健一 江原
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.)
Denka Co Ltd
Original Assignee
Denki Kagaku Kogyo KK
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 Denki Kagaku Kogyo KK filed Critical Denki Kagaku Kogyo KK
Priority to JP1987017800U priority Critical patent/JPH0614391Y2/ja
Priority to GB8712116A priority patent/GB2192751B/en
Priority to DE19873717974 priority patent/DE3717974A1/de
Priority to US07/222,300 priority patent/US4878866A/en
Publication of JPS63127056U publication Critical patent/JPS63127056U/ja
Application granted granted Critical
Publication of JPH0614391Y2 publication Critical patent/JPH0614391Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Electron Sources, Ion Sources (AREA)
JP1987017800U 1986-07-14 1987-02-12 磁界フリ−型熱陰極構造体 Expired - Lifetime JPH0614391Y2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1987017800U JPH0614391Y2 (ja) 1987-02-12 1987-02-12 磁界フリ−型熱陰極構造体
GB8712116A GB2192751B (en) 1986-07-14 1987-05-22 Method of making a thermionic cathode structure.
DE19873717974 DE3717974A1 (de) 1986-07-14 1987-05-27 Gluehkathode
US07/222,300 US4878866A (en) 1986-07-14 1988-07-22 Thermionic cathode structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987017800U JPH0614391Y2 (ja) 1987-02-12 1987-02-12 磁界フリ−型熱陰極構造体

Publications (2)

Publication Number Publication Date
JPS63127056U JPS63127056U (enExample) 1988-08-19
JPH0614391Y2 true JPH0614391Y2 (ja) 1994-04-13

Family

ID=30810887

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987017800U Expired - Lifetime JPH0614391Y2 (ja) 1986-07-14 1987-02-12 磁界フリ−型熱陰極構造体

Country Status (1)

Country Link
JP (1) JPH0614391Y2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2505067Y2 (ja) * 1990-10-24 1996-07-24 日新電機株式会社 加熱型イオン引出し正電極

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5219958A (en) * 1975-08-07 1977-02-15 Matsushita Electric Ind Co Ltd Scanning electron microscope
JPS5431783A (en) * 1977-08-13 1979-03-08 Terasaki Denki Sangyo Kk Indicator with light emitting diode

Also Published As

Publication number Publication date
JPS63127056U (enExample) 1988-08-19

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