BE467049A - - Google Patents
Info
- Publication number
- BE467049A BE467049A BE467049DA BE467049A BE 467049 A BE467049 A BE 467049A BE 467049D A BE467049D A BE 467049DA BE 467049 A BE467049 A BE 467049A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
- H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
- H01J7/183—Composition or manufacture of getters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0012—Constructional arrangements
- H01J2893/0019—Chemical composition and manufacture
- H01J2893/0022—Manufacture
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB931742X | 1945-08-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE467049A true BE467049A (ko) |
Family
ID=10740830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE467049D BE467049A (ko) | 1945-08-03 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE467049A (ko) |
| FR (1) | FR931742A (ko) |
-
0
- BE BE467049D patent/BE467049A/xx unknown
-
1946
- 1946-08-01 FR FR931742D patent/FR931742A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR931742A (fr) | 1948-03-02 |