JPS5214347A - Field emission electron gun - Google Patents
Field emission electron gunInfo
- Publication number
- JPS5214347A JPS5214347A JP9025775A JP9025775A JPS5214347A JP S5214347 A JPS5214347 A JP S5214347A JP 9025775 A JP9025775 A JP 9025775A JP 9025775 A JP9025775 A JP 9025775A JP S5214347 A JPS5214347 A JP S5214347A
- Authority
- JP
- Japan
- Prior art keywords
- field emission
- electron gun
- emission electron
- cathodes
- alived
- 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.)
- Pending
Links
Landscapes
- Electron Sources, Ion Sources (AREA)
- Cold Cathode And The Manufacture (AREA)
Abstract
PURPOSE: Making the interchange of cathodes possible, without having to break the vacuum, by arranging multiple number of field emission cathodes on a tiltable supporting structure, so that any particular cathode can be alived with the perforation by the adjustment of the tilting angle.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9025775A JPS5214347A (en) | 1975-07-25 | 1975-07-25 | Field emission electron gun |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9025775A JPS5214347A (en) | 1975-07-25 | 1975-07-25 | Field emission electron gun |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5214347A true JPS5214347A (en) | 1977-02-03 |
Family
ID=13993429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9025775A Pending JPS5214347A (en) | 1975-07-25 | 1975-07-25 | Field emission electron gun |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5214347A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01143259U (en) * | 1988-03-18 | 1989-10-02 | ||
JPH0217798U (en) * | 1988-07-21 | 1990-02-06 | ||
JPH0218371U (en) * | 1988-07-18 | 1990-02-07 | ||
JPH06184908A (en) * | 1992-12-18 | 1994-07-05 | Morimura Kosan Kk | Production of netty structure |
EP1215338A2 (en) | 2000-12-15 | 2002-06-19 | Honda Giken Kogyo Kabushiki Kaisha | Scraper for snow removal machine |
JP2007149659A (en) * | 2005-10-27 | 2007-06-14 | Sumitomo Electric Ind Ltd | Field-emission electron gun, electron microscope and electron beam exposure apparatus |
US8563121B2 (en) | 2000-03-15 | 2013-10-22 | C-Eng Co., Ltd. | Three-dimensional netted structure having four molded surfaces |
US9169585B2 (en) | 2000-03-15 | 2015-10-27 | C-Eng Co., Ltd. | Three dimensional netted structure |
US9194066B2 (en) | 2000-03-15 | 2015-11-24 | C-Eng Co., Ltd. | Three dimensional netted structure |
-
1975
- 1975-07-25 JP JP9025775A patent/JPS5214347A/en active Pending
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01143259U (en) * | 1988-03-18 | 1989-10-02 | ||
JPH0218371U (en) * | 1988-07-18 | 1990-02-07 | ||
JPH0217798U (en) * | 1988-07-21 | 1990-02-06 | ||
JPH0516639Y2 (en) * | 1988-07-21 | 1993-04-30 | ||
JPH06184908A (en) * | 1992-12-18 | 1994-07-05 | Morimura Kosan Kk | Production of netty structure |
US8563121B2 (en) | 2000-03-15 | 2013-10-22 | C-Eng Co., Ltd. | Three-dimensional netted structure having four molded surfaces |
US9169585B2 (en) | 2000-03-15 | 2015-10-27 | C-Eng Co., Ltd. | Three dimensional netted structure |
US9194066B2 (en) | 2000-03-15 | 2015-11-24 | C-Eng Co., Ltd. | Three dimensional netted structure |
EP1215338A2 (en) | 2000-12-15 | 2002-06-19 | Honda Giken Kogyo Kabushiki Kaisha | Scraper for snow removal machine |
US6612050B2 (en) | 2000-12-15 | 2003-09-02 | Honda Giken Kogyo Kabushiki Kaisha | Scraper for snow removing machine and snow removing attachment having scraper |
JP2007149659A (en) * | 2005-10-27 | 2007-06-14 | Sumitomo Electric Ind Ltd | Field-emission electron gun, electron microscope and electron beam exposure apparatus |
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