DE60044167D1 - Kathode mit verbessertem Austrittspotential und Verfahren zur Herstellung derselben - Google Patents
Kathode mit verbessertem Austrittspotential und Verfahren zur Herstellung derselbenInfo
- Publication number
- DE60044167D1 DE60044167D1 DE60044167T DE60044167T DE60044167D1 DE 60044167 D1 DE60044167 D1 DE 60044167D1 DE 60044167 T DE60044167 T DE 60044167T DE 60044167 T DE60044167 T DE 60044167T DE 60044167 D1 DE60044167 D1 DE 60044167D1
- Authority
- DE
- Germany
- Prior art keywords
- making
- same
- exit potential
- potential cathode
- improved exit
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/15—Cathodes heated directly by an electric current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
-
- 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, ion-optical arrangement
- H01J37/06—Electron sources; Electron guns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part
-
- 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
- H01J2237/30—Electron or ion beam tubes for processing objects
- H01J2237/317—Processing objects on a microscale
- H01J2237/3175—Lithography
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electron Beam Exposure (AREA)
- Cold Cathode And The Manufacture (AREA)
- Electron Sources, Ion Sources (AREA)
- Solid Thermionic Cathode (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/338,520 US6815876B1 (en) | 1999-06-23 | 1999-06-23 | Cathode with improved work function and method for making the same |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60044167D1 true DE60044167D1 (de) | 2010-05-27 |
Family
ID=23325134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60044167T Expired - Lifetime DE60044167D1 (de) | 1999-06-23 | 2000-06-13 | Kathode mit verbessertem Austrittspotential und Verfahren zur Herstellung derselben |
Country Status (6)
Country | Link |
---|---|
US (2) | US6815876B1 (de) |
EP (1) | EP1063669B1 (de) |
JP (1) | JP3901915B2 (de) |
KR (1) | KR100744896B1 (de) |
DE (1) | DE60044167D1 (de) |
TW (1) | TW454216B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008020165A1 (de) * | 2008-04-22 | 2009-10-29 | Siemens Aktiengesellschaft | Kathode mit einem Flachemitter |
DE102008020187A1 (de) * | 2008-04-22 | 2009-10-29 | Siemens Aktiengesellschaft | Kathode mit einem Flachemitter |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3290543A (en) * | 1963-06-03 | 1966-12-06 | Varian Associates | Grain oriented dispenser thermionic emitter for electron discharge device |
US3488549A (en) * | 1968-01-15 | 1970-01-06 | Gen Electric | Dispenser cathode material and method of manufacture |
CH582951A5 (de) * | 1973-07-09 | 1976-12-15 | Bbc Brown Boveri & Cie | |
US4184100A (en) * | 1977-03-29 | 1980-01-15 | Tokyo Shibaura Electric Co., Ltd. | Indirectly-heated cathode device for electron tubes |
US4168565A (en) * | 1977-05-18 | 1979-09-25 | Denki Kagaku Kogyo Kabushiki Kaisha | Method for manufacturing thermionic cathode |
CH629033A5 (de) * | 1978-05-05 | 1982-03-31 | Bbc Brown Boveri & Cie | Gluehkathode. |
US4272030A (en) * | 1979-07-30 | 1981-06-09 | Afanasiev Mikhail M | Device for adjusting an inertia cone crusher discharge gap |
JPS57128436A (en) * | 1981-02-02 | 1982-08-10 | Koichi Kanetani | Manufacture of lanthanum-boride thermionic emission electrode |
JPS57196443A (en) * | 1981-05-29 | 1982-12-02 | Denki Kagaku Kogyo Kk | Manufacture of hot cathode |
DE3148441A1 (de) * | 1981-12-08 | 1983-07-21 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren zur herstellung einer thermionischen kathode |
DE3205746A1 (de) * | 1982-02-18 | 1983-08-25 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Thermionische kathode und verfahren zu ihrer herstellung |
US4528452A (en) | 1982-12-09 | 1985-07-09 | Electron Beam Corporation | Alignment and detection system for electron image projectors |
JPS62213031A (ja) * | 1986-03-14 | 1987-09-18 | Hitachi Ltd | 含浸形陰極構体 |
US5042058A (en) | 1989-03-22 | 1991-08-20 | University Of California | Ultrashort time-resolved x-ray source |
JPH0757617A (ja) * | 1993-08-12 | 1995-03-03 | Ricoh Opt Ind Co Ltd | 熱電子発生源 |
JP2937145B2 (ja) * | 1996-10-25 | 1999-08-23 | 三菱電機株式会社 | 電子管用陰極 |
JP2876591B2 (ja) * | 1996-11-29 | 1999-03-31 | 三菱電機株式会社 | 電子管用陰極 |
US5911919A (en) * | 1997-09-08 | 1999-06-15 | Integrated Thermal Sciences, Inc. | Electron emission materials and components |
WO2000014767A1 (en) * | 1998-09-09 | 2000-03-16 | Koninklijke Philips Electronics N.V. | Quadrupole device for projection lithography by means of charged particles |
-
1999
- 1999-06-23 US US09/338,520 patent/US6815876B1/en not_active Expired - Fee Related
-
2000
- 2000-06-13 DE DE60044167T patent/DE60044167D1/de not_active Expired - Lifetime
- 2000-06-13 EP EP00305015A patent/EP1063669B1/de not_active Expired - Lifetime
- 2000-06-19 TW TW089111997A patent/TW454216B/zh not_active IP Right Cessation
- 2000-06-22 KR KR1020000034530A patent/KR100744896B1/ko not_active IP Right Cessation
- 2000-06-23 JP JP2000188555A patent/JP3901915B2/ja not_active Expired - Fee Related
-
2004
- 2004-10-12 US US10/963,156 patent/US7179148B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR100744896B1 (ko) | 2007-08-01 |
JP2001052595A (ja) | 2001-02-23 |
JP3901915B2 (ja) | 2007-04-04 |
US20050046326A1 (en) | 2005-03-03 |
US6815876B1 (en) | 2004-11-09 |
EP1063669B1 (de) | 2010-04-14 |
TW454216B (en) | 2001-09-11 |
EP1063669A2 (de) | 2000-12-27 |
US7179148B2 (en) | 2007-02-20 |
KR20010029829A (ko) | 2001-04-16 |
EP1063669A3 (de) | 2006-08-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |