FR646813A - Adaptation of magnesium in high emission lamps - Google Patents
Adaptation of magnesium in high emission lampsInfo
- Publication number
- FR646813A FR646813A FR646813DA FR646813A FR 646813 A FR646813 A FR 646813A FR 646813D A FR646813D A FR 646813DA FR 646813 A FR646813 A FR 646813A
- Authority
- FR
- France
- Prior art keywords
- adaptation
- magnesium
- high emission
- emission lamps
- lamps
- 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
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR646813T | 1928-01-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR646813A true FR646813A (en) | 1928-11-16 |
Family
ID=9001682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR646813D Expired FR646813A (en) | 1928-01-07 | 1928-01-07 | Adaptation of magnesium in high emission lamps |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR646813A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE739183C (en) * | 1934-09-15 | 1943-09-14 | Aeg | Process for gettering electrical discharge tubes with metallic walls |
-
1928
- 1928-01-07 FR FR646813D patent/FR646813A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE739183C (en) * | 1934-09-15 | 1943-09-14 | Aeg | Process for gettering electrical discharge tubes with metallic walls |
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