NL56922C - - Google Patents
Info
- Publication number
- NL56922C NL56922C NL56922DA NL56922C NL 56922 C NL56922 C NL 56922C NL 56922D A NL56922D A NL 56922DA NL 56922 C NL56922 C NL 56922C
- Authority
- NL
- Netherlands
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
- H01J9/40—Closing vessels
-
- 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
- H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
-
- 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
- H01J7/186—Getter supports
-
- 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
- H01J2893/0002—Construction arrangements of electrode systems
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE217069X | 1940-01-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL56922C true NL56922C (da) |
Family
ID=5830551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL56922D NL56922C (da) | 1940-01-06 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH217069A (da) |
| FR (1) | FR868505A (da) |
| NL (1) | NL56922C (da) |
-
0
- NL NL56922D patent/NL56922C/xx active
-
1940
- 1940-11-05 CH CH217069D patent/CH217069A/de unknown
- 1940-12-28 FR FR868505D patent/FR868505A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH217069A (de) | 1941-09-30 |
| FR868505A (fr) | 1942-01-05 |