GB1238451A - - Google Patents
Info
- Publication number
- GB1238451A GB1238451A GB3305367A GB1238451DA GB1238451A GB 1238451 A GB1238451 A GB 1238451A GB 3305367 A GB3305367 A GB 3305367A GB 1238451D A GB1238451D A GB 1238451DA GB 1238451 A GB1238451 A GB 1238451A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cathode
- stainless steel
- refractory metal
- cylinder
- mesh
- 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
Links
- 239000003870 refractory metal Substances 0.000 abstract 3
- 229910001220 stainless steel Inorganic materials 0.000 abstract 3
- 238000010894 electron beam technology Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 239000010935 stainless steel Substances 0.000 abstract 2
- 229910052715 tantalum Inorganic materials 0.000 abstract 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000007373 indentation Methods 0.000 abstract 1
- 230000001788 irregular Effects 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
Classifications
-
- 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
- H01J3/025—Electron guns using a discharge in a gas or a vapour as electron source
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H01J17/06—Cathodes
- H01J17/066—Cold cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
- H01J2893/0065—Electrode systems
- H01J2893/0066—Construction, material, support, protection and temperature regulation of electrodes; Electrode cups
Landscapes
- Electron Sources, Ion Sources (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB02766/66A GB1154379A (en) | 1965-12-30 | 1965-12-30 | Improvements in or relating to Cold-Cathode Discharge Devices |
| GB5520665 | 1965-12-30 | ||
| GB3305367 | 1967-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1238451A true GB1238451A (enrdf_load_stackoverflow) | 1971-07-07 |
Family
ID=10347901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3305367A Expired GB1238451A (enrdf_load_stackoverflow) | 1965-12-30 | 1967-07-18 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3566184A (enrdf_load_stackoverflow) |
| DE (1) | DE1764684A1 (enrdf_load_stackoverflow) |
| FR (1) | FR95369E (enrdf_load_stackoverflow) |
| GB (1) | GB1238451A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4391006C2 (de) * | 1992-03-11 | 2002-10-17 | Charles W Hanks | Elektronenstrahlkanone |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3903891A (en) * | 1968-01-12 | 1975-09-09 | Hogle Kearns Int | Method and apparatus for generating plasma |
| US3638061A (en) * | 1970-07-15 | 1972-01-25 | Hughes Aircraft Co | Magnetically controlled crossed-field interrupter and switch tube with pressure control for long duration pules |
| US4163889A (en) * | 1974-05-27 | 1979-08-07 | U.S. Philips Corporation | Device for the simultaneous operation of a number of gas discharge electron guns |
| US4647818A (en) * | 1984-04-16 | 1987-03-03 | Sfe Technologies | Nonthermionic hollow anode gas discharge electron beam source |
| US5465030A (en) * | 1995-01-20 | 1995-11-07 | The United States Of America As Represented By The Secretary Of The Army | Trigger apparatus for spark gap dischargers |
| US8729470B2 (en) * | 2009-06-14 | 2014-05-20 | DLA Instruments | Electron microscope with an emitter operating in medium vacuum |
| US9840765B2 (en) | 2013-10-16 | 2017-12-12 | General Electric Company | Systems and method of coating an interior surface of an object |
-
1967
- 1967-07-18 GB GB3305367A patent/GB1238451A/en not_active Expired
-
1968
- 1968-07-17 US US745612A patent/US3566184A/en not_active Expired - Lifetime
- 1968-07-17 FR FR159592A patent/FR95369E/fr not_active Expired
- 1968-07-17 DE DE19681764684 patent/DE1764684A1/de active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4391006C2 (de) * | 1992-03-11 | 2002-10-17 | Charles W Hanks | Elektronenstrahlkanone |
Also Published As
| Publication number | Publication date |
|---|---|
| FR95369E (fr) | 1970-09-11 |
| DE1764684A1 (de) | 1971-09-30 |
| US3566184A (en) | 1971-02-23 |
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| GB1238451A (enrdf_load_stackoverflow) | ||
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| GB1154379A (en) | Improvements in or relating to Cold-Cathode Discharge Devices | |
| GB1209026A (en) | Improvements in or relating to cold cathode, glow discharge device | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |