FR869501A - Perfectionnements aux substances dites getters - Google Patents
Perfectionnements aux substances dites gettersInfo
- Publication number
- FR869501A FR869501A FR869501DA FR869501A FR 869501 A FR869501 A FR 869501A FR 869501D A FR869501D A FR 869501DA FR 869501 A FR869501 A FR 869501A
- Authority
- FR
- France
- Prior art keywords
- called getter
- getter substances
- substances
- called
- getter
- 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
- H01J7/183—Composition or manufacture of getters
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE869501X | 1939-05-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR869501A true FR869501A (fr) | 1942-02-04 |
Family
ID=6802959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR869501D Expired FR869501A (fr) | 1939-05-22 | 1941-01-25 | Perfectionnements aux substances dites getters |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR869501A (fr) |
IT (1) | IT383299A (fr) |
NL (1) | NL55499C (fr) |
-
0
- IT IT383299D patent/IT383299A/it unknown
- NL NL55499D patent/NL55499C/xx active
-
1941
- 1941-01-25 FR FR869501D patent/FR869501A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL55499C (fr) | |
IT383299A (fr) |
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