GB1173876A - Method of Making Air Stable Cathode for Electric Discharge Device - Google Patents
Method of Making Air Stable Cathode for Electric Discharge DeviceInfo
- Publication number
- GB1173876A GB1173876A GB342768A GB342768A GB1173876A GB 1173876 A GB1173876 A GB 1173876A GB 342768 A GB342768 A GB 342768A GB 342768 A GB342768 A GB 342768A GB 1173876 A GB1173876 A GB 1173876A
- Authority
- GB
- United Kingdom
- Prior art keywords
- weight
- support
- coating
- emissive
- discharge device
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61802167A | 1967-02-23 | 1967-02-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1173876A true GB1173876A (en) | 1969-12-10 |
Family
ID=24476009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB342768A Expired GB1173876A (en) | 1967-02-23 | 1968-01-23 | Method of Making Air Stable Cathode for Electric Discharge Device |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE711236A (sv) |
DE (1) | DE1696630A1 (sv) |
FR (1) | FR1555165A (sv) |
GB (1) | GB1173876A (sv) |
NL (1) | NL6802388A (sv) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111850524A (zh) * | 2020-07-17 | 2020-10-30 | 广东威特真空电子制造有限公司 | 稀土钨阴极及其制备方法和应用 |
US11486032B2 (en) | 2017-05-12 | 2022-11-01 | Plansee Se | High-temperature component and method for producing a high-temperature component |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4044276A (en) * | 1976-04-09 | 1977-08-23 | Gte Sylvania Incorporated | High pressure mercury vapor discharge lamp having improved electrodes |
-
1968
- 1968-01-23 GB GB342768A patent/GB1173876A/en not_active Expired
- 1968-02-20 NL NL6802388A patent/NL6802388A/xx unknown
- 1968-02-22 DE DE19681696630 patent/DE1696630A1/de active Pending
- 1968-02-23 FR FR1555165D patent/FR1555165A/fr not_active Expired
- 1968-02-23 BE BE711236D patent/BE711236A/xx unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11486032B2 (en) | 2017-05-12 | 2022-11-01 | Plansee Se | High-temperature component and method for producing a high-temperature component |
CN111850524A (zh) * | 2020-07-17 | 2020-10-30 | 广东威特真空电子制造有限公司 | 稀土钨阴极及其制备方法和应用 |
Also Published As
Publication number | Publication date |
---|---|
BE711236A (sv) | 1968-07-01 |
NL6802388A (sv) | 1968-08-26 |
FR1555165A (sv) | 1969-01-24 |
DE1696630A1 (de) | 1971-11-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |