GB2372146B - Cathode - Google Patents
CathodeInfo
- Publication number
- GB2372146B GB2372146B GB0103252A GB0103252A GB2372146B GB 2372146 B GB2372146 B GB 2372146B GB 0103252 A GB0103252 A GB 0103252A GB 0103252 A GB0103252 A GB 0103252A GB 2372146 B GB2372146 B GB 2372146B
- Authority
- GB
- United Kingdom
- Prior art keywords
- cathode
- 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 - Fee Related
Links
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
-
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0103252A GB2372146B (en) | 2001-02-09 | 2001-02-09 | Cathode |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0103252A GB2372146B (en) | 2001-02-09 | 2001-02-09 | Cathode |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0103252D0 GB0103252D0 (en) | 2001-03-28 |
GB2372146A GB2372146A (en) | 2002-08-14 |
GB2372146B true GB2372146B (en) | 2003-03-26 |
Family
ID=9908439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0103252A Expired - Fee Related GB2372146B (en) | 2001-02-09 | 2001-02-09 | Cathode |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2372146B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7176610B2 (en) | 2004-02-10 | 2007-02-13 | Toshiba Machine America, Inc. | High brightness thermionic cathode |
JP2011514637A (en) | 2008-03-03 | 2011-05-06 | カール ツァイス エヌティーエス エルエルシー | Gas field ion source with a coated tip |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4168213A (en) * | 1976-04-29 | 1979-09-18 | U.S. Philips Corporation | Field emission device and method of forming same |
WO1996004674A2 (en) * | 1994-08-05 | 1996-02-15 | Central Research Laboratories Limited | A self-aligned gate field emitter device and methods for producing the same |
US5527200A (en) * | 1992-12-11 | 1996-06-18 | Samsung Display Devices Co., Ltd. | Method for making a silicon field emission emitter |
JPH09237567A (en) * | 1996-02-29 | 1997-09-09 | Mitsubishi Electric Corp | Cold cathode element and its manufacture |
JPH11339713A (en) * | 1998-05-28 | 1999-12-10 | Hamamatsu Photonics Kk | Electrode for discharge tube |
-
2001
- 2001-02-09 GB GB0103252A patent/GB2372146B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4168213A (en) * | 1976-04-29 | 1979-09-18 | U.S. Philips Corporation | Field emission device and method of forming same |
US5527200A (en) * | 1992-12-11 | 1996-06-18 | Samsung Display Devices Co., Ltd. | Method for making a silicon field emission emitter |
WO1996004674A2 (en) * | 1994-08-05 | 1996-02-15 | Central Research Laboratories Limited | A self-aligned gate field emitter device and methods for producing the same |
JPH09237567A (en) * | 1996-02-29 | 1997-09-09 | Mitsubishi Electric Corp | Cold cathode element and its manufacture |
JPH11339713A (en) * | 1998-05-28 | 1999-12-10 | Hamamatsu Photonics Kk | Electrode for discharge tube |
Also Published As
Publication number | Publication date |
---|---|
GB0103252D0 (en) | 2001-03-28 |
GB2372146A (en) | 2002-08-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20120209 |