JPS581505B2 - デンカイホウシヤデンシジユウ - Google Patents

デンカイホウシヤデンシジユウ

Info

Publication number
JPS581505B2
JPS581505B2 JP49005882A JP588274A JPS581505B2 JP S581505 B2 JPS581505 B2 JP S581505B2 JP 49005882 A JP49005882 A JP 49005882A JP 588274 A JP588274 A JP 588274A JP S581505 B2 JPS581505 B2 JP S581505B2
Authority
JP
Japan
Prior art keywords
cathode
field emission
electric field
electron gun
electron flow
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
Application number
JP49005882A
Other languages
English (en)
Japanese (ja)
Other versions
JPS50103251A (enrdf_load_stackoverflow
Inventor
戸所秀男
斎藤尚武
野村節生
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 JP49005882A priority Critical patent/JPS581505B2/ja
Publication of JPS50103251A publication Critical patent/JPS50103251A/ja
Publication of JPS581505B2 publication Critical patent/JPS581505B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Electron Sources, Ion Sources (AREA)
JP49005882A 1974-01-11 1974-01-11 デンカイホウシヤデンシジユウ Expired JPS581505B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP49005882A JPS581505B2 (ja) 1974-01-11 1974-01-11 デンカイホウシヤデンシジユウ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49005882A JPS581505B2 (ja) 1974-01-11 1974-01-11 デンカイホウシヤデンシジユウ

Publications (2)

Publication Number Publication Date
JPS50103251A JPS50103251A (enrdf_load_stackoverflow) 1975-08-15
JPS581505B2 true JPS581505B2 (ja) 1983-01-11

Family

ID=11623258

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49005882A Expired JPS581505B2 (ja) 1974-01-11 1974-01-11 デンカイホウシヤデンシジユウ

Country Status (1)

Country Link
JP (1) JPS581505B2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55155454A (en) * 1979-05-22 1980-12-03 Jeol Ltd Scanning electron microscope equipped with electromagnetic radiation type electron gun

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5548427B2 (enrdf_load_stackoverflow) * 1971-09-23 1980-12-05

Also Published As

Publication number Publication date
JPS50103251A (enrdf_load_stackoverflow) 1975-08-15

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