JPS5452629A - Bulb member - Google Patents
Bulb memberInfo
- Publication number
- JPS5452629A JPS5452629A JP11861177A JP11861177A JPS5452629A JP S5452629 A JPS5452629 A JP S5452629A JP 11861177 A JP11861177 A JP 11861177A JP 11861177 A JP11861177 A JP 11861177A JP S5452629 A JPS5452629 A JP S5452629A
- Authority
- JP
- Japan
- Prior art keywords
- radiation
- laser beam
- metal
- bulb member
- temp
- 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
- Laminated Bodies (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Solid Thermionic Cathode (AREA)
Abstract
PURPOSE: To prevent the occurence of electric leak due to a rise in temp. accompanying gas release by covering the surface of a bulb member in the vicinity of a cathode with a different metal by radiation of laser beam.
CONSTITUTION: The surface of a bulb member in the vicinity of a cathode raising the temp. inside the member is covered with a different metal such as Ni, Cr, W, Fe or Co by radiation of leaser beam. At this time, powder, foil pellets, etc. of the above metal are mounted on the surface and irradiated with laser beam. The radiation of laser beam may be carried out while dropping powder of the above metal onto the surface. Thus, the metal with little gas release is simply covered at a low cost
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11861177A JPS5452629A (en) | 1977-10-04 | 1977-10-04 | Bulb member |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11861177A JPS5452629A (en) | 1977-10-04 | 1977-10-04 | Bulb member |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5452629A true JPS5452629A (en) | 1979-04-25 |
Family
ID=14740830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11861177A Pending JPS5452629A (en) | 1977-10-04 | 1977-10-04 | Bulb member |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5452629A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6036615A (en) * | 1983-08-06 | 1985-02-25 | Nippon Steel Corp | Treatment of metallic surface layer by melting |
JPS60121278A (en) * | 1983-12-02 | 1985-06-28 | Fuji Electric Corp Res & Dev Ltd | Surface treatment of thick steel member |
-
1977
- 1977-10-04 JP JP11861177A patent/JPS5452629A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6036615A (en) * | 1983-08-06 | 1985-02-25 | Nippon Steel Corp | Treatment of metallic surface layer by melting |
JPH0372707B2 (en) * | 1983-08-06 | 1991-11-19 | Nippon Steel Corp | |
JPS60121278A (en) * | 1983-12-02 | 1985-06-28 | Fuji Electric Corp Res & Dev Ltd | Surface treatment of thick steel member |
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