IT994357B - Perfezionamento negli apparecchi a fascio elettronico comprendenti un catodo a punta - Google Patents

Perfezionamento negli apparecchi a fascio elettronico comprendenti un catodo a punta

Info

Publication number
IT994357B
IT994357B IT7352853A IT5285373A IT994357B IT 994357 B IT994357 B IT 994357B IT 7352853 A IT7352853 A IT 7352853A IT 5285373 A IT5285373 A IT 5285373A IT 994357 B IT994357 B IT 994357B
Authority
IT
Italy
Prior art keywords
improvement
electronic beam
appliances including
pointed cathode
pointed
Prior art date
Application number
IT7352853A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT994357B publication Critical patent/IT994357B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/06—Electron sources; Electron guns
    • H01J37/075—Electron guns using thermionic emission from cathodes heated by particle bombardment or by irradiation, e.g. by laser
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/024—Electron guns using thermionic emission of cathode heated by electron or ion bombardment or by irradiation by other energetic beams, e.g. by laser
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/06—Sources
    • H01J2237/063—Electron sources
    • H01J2237/06308—Thermionic sources
    • H01J2237/06316—Schottky emission

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Particle Accelerators (AREA)
IT7352853A 1972-10-03 1973-10-01 Perfezionamento negli apparecchi a fascio elettronico comprendenti un catodo a punta IT994357B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7213355A NL7213355A (it) 1972-10-03 1972-10-03

Publications (1)

Publication Number Publication Date
IT994357B true IT994357B (it) 1975-10-20

Family

ID=19817064

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7352853A IT994357B (it) 1972-10-03 1973-10-01 Perfezionamento negli apparecchi a fascio elettronico comprendenti un catodo a punta

Country Status (10)

Country Link
US (1) US3864572A (it)
JP (1) JPS5241137B2 (it)
BE (1) BE805539A (it)
CA (1) CA992670A (it)
DE (1) DE2349352C3 (it)
FR (1) FR2201540B1 (it)
GB (1) GB1440776A (it)
IT (1) IT994357B (it)
NL (1) NL7213355A (it)
SE (1) SE384759B (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5533310U (it) * 1978-08-24 1980-03-04
JPS58126376U (ja) * 1982-02-20 1983-08-27 深沢　房次郎 扉のストツパ
US4496881A (en) 1982-09-29 1985-01-29 Tetra Pak Developpement Sa Method of cold cathode replenishment in electron beam apparatus and replenishable cold cathode assembly
JPS59163506A (ja) * 1983-03-09 1984-09-14 Hitachi Ltd 電子ビ−ム測長装置
US4762975A (en) * 1984-02-06 1988-08-09 Phrasor Scientific, Incorporated Method and apparatus for making submicrom powders
US4829177A (en) * 1986-09-11 1989-05-09 Gregory Hirsch Point projection photoelectron microscope with hollow needle
JPH02134503A (ja) * 1988-11-15 1990-05-23 Mitsubishi Electric Corp 走査型トンネル顕微鏡
DE3839707A1 (de) * 1988-11-24 1990-05-31 Integrated Circuit Testing Verfahren zum betrieb eines elektronenstrahlmessgeraetes
JPH03190044A (ja) * 1989-12-19 1991-08-20 Ebara Corp 電子線加速器
US5015862A (en) * 1990-01-22 1991-05-14 Oregon Graduate Institute Of Science & Technology Laser modulation of LMI sources
ES2029426A6 (es) * 1991-03-22 1992-08-01 Univ Madrid Obtencion de una fuente atomica de iones metalicos produciendo una fusion superficial por medio de un campo electrico.
EP0611485B1 (en) * 1992-09-07 1996-04-03 KLEINDIEK, Stephan Electromechanical positioning device
US6828996B2 (en) 2001-06-22 2004-12-07 Applied Materials, Inc. Electron beam patterning with a heated electron source
DE10245052A1 (de) 2002-09-26 2004-04-08 Leo Elektronenmikroskopie Gmbh Elektronenstrahlquelle und elektronenoptischer Apparat mit einer solchen
US6847164B2 (en) * 2002-12-10 2005-01-25 Applied Matrials, Inc. Current-stabilizing illumination of photocathode electron beam source
US11417492B2 (en) * 2019-09-26 2022-08-16 Kla Corporation Light modulated electron source

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3388280A (en) * 1966-04-19 1968-06-11 Victor E. De Lucia Laser energized hot cathode type of electron discharge device
US3678333A (en) * 1970-06-15 1972-07-18 American Optical Corp Field emission electron gun utilizing means for protecting the field emission tip from high voltage discharges

Also Published As

Publication number Publication date
US3864572A (en) 1975-02-04
JPS5241137B2 (it) 1977-10-17
BE805539A (fr) 1974-04-01
DE2349352A1 (de) 1974-04-11
DE2349352C3 (de) 1978-03-30
DE2349352B2 (de) 1977-07-21
FR2201540B1 (it) 1976-11-19
JPS4993798A (it) 1974-09-06
CA992670A (en) 1976-07-06
GB1440776A (en) 1976-06-23
FR2201540A1 (it) 1974-04-26
SE384759B (sv) 1976-05-17
NL7213355A (it) 1974-04-05

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