GB1008362A - Improvements in or relating to low pressure mercury vapour discharge tubes - Google Patents
Improvements in or relating to low pressure mercury vapour discharge tubesInfo
- Publication number
- GB1008362A GB1008362A GB14200/62A GB1420062A GB1008362A GB 1008362 A GB1008362 A GB 1008362A GB 14200/62 A GB14200/62 A GB 14200/62A GB 1420062 A GB1420062 A GB 1420062A GB 1008362 A GB1008362 A GB 1008362A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- discharge
- mercury vapour
- electrode
- pressure mercury
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
- H01J13/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0072—Disassembly or repair of discharge tubes
- H01J2893/0073—Discharge tubes with liquid poolcathodes; constructional details
Landscapes
- Plasma Technology (AREA)
- Lasers (AREA)
Abstract
1,008,362. Discharge tubes. LITTON SYSTEMS Inc. April 12, 1962 [April 14, 1961], No. 14200/62. Heading H1D. A low-pressure mercury vapour discharge tube has two discharge spaces separated by a grid-type electrode 50, the lower space including a mercury pool cathode 26, an igniter electrode 52, a vacuum connection 15, and an anode 54 to form a complete discharge device, and the upper space includes a main anode 56 and a target electrode 58 for supporting an object within the discharge. A gas, e.g. a rare gas, may be admitted to the tube through pipe 35. The tube may be water-cooled, 22, and the pressure of the mercury vapour in the upper space may be reduced by a liquid nitrogen finger 39. The tube may be dismantled, to change the sputtered object on the electrode 58, without disturbing the electrodes, by removing the glass member 12. A circular strip of molybdenum 27 may be used as a cathode spot anchor.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US103056A US3100272A (en) | 1961-04-14 | 1961-04-14 | Low pressure mercury plasma discharge tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1008362A true GB1008362A (en) | 1965-10-27 |
Family
ID=22293127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB14200/62A Expired GB1008362A (en) | 1961-04-14 | 1962-04-12 | Improvements in or relating to low pressure mercury vapour discharge tubes |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3100272A (en) |
| GB (1) | GB1008362A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3631280A (en) * | 1969-10-06 | 1971-12-28 | Varian Associates | Ionic vacuum pump incorporating an ion trap |
| US5391281A (en) * | 1993-04-09 | 1995-02-21 | Materials Research Corp. | Plasma shaping plug for control of sputter etching |
| US7557362B2 (en) * | 2004-02-04 | 2009-07-07 | Veeco Instruments Inc. | Ion sources and methods for generating an ion beam with a controllable ion current density distribution |
| US8158016B2 (en) * | 2004-02-04 | 2012-04-17 | Veeco Instruments, Inc. | Methods of operating an electromagnet of an ion source |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2841726A (en) * | 1957-06-25 | 1958-07-01 | Ronald C Knechtli | Apparatus for producing thermallycool charged particles |
| US2880337A (en) * | 1958-01-02 | 1959-03-31 | Thompson Ramo Wooldridge Inc | Particle acceleration method and apparatus |
-
1961
- 1961-04-14 US US103056A patent/US3100272A/en not_active Expired - Lifetime
-
1962
- 1962-04-12 GB GB14200/62A patent/GB1008362A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3100272A (en) | 1963-08-06 |
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