CH463819A - Ionization vacuum gauge - Google Patents
Ionization vacuum gaugeInfo
- Publication number
- CH463819A CH463819A CH675867A CH675867A CH463819A CH 463819 A CH463819 A CH 463819A CH 675867 A CH675867 A CH 675867A CH 675867 A CH675867 A CH 675867A CH 463819 A CH463819 A CH 463819A
- Authority
- CH
- Switzerland
- Prior art keywords
- vacuum gauge
- ionization vacuum
- ionization
- gauge
- vacuum
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
- H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
- H01J41/04—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of thermionic cathodes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEL0055264 | 1966-12-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH463819A true CH463819A (en) | 1968-10-15 |
Family
ID=7276821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH675867A CH463819A (en) | 1966-12-12 | 1967-05-12 | Ionization vacuum gauge |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH463819A (en) |
FR (1) | FR1559689A (en) |
NL (1) | NL6705566A (en) |
-
1967
- 1967-04-20 NL NL6705566A patent/NL6705566A/xx unknown
- 1967-05-12 CH CH675867A patent/CH463819A/en unknown
- 1967-12-12 FR FR1559689D patent/FR1559689A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1559689A (en) | 1969-03-14 |
NL6705566A (en) | 1968-06-13 |
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