IT1020185B - Tubo di ionizzazione a vuoto perfezionato del tipo bayard alpert bricarla - Google Patents

Tubo di ionizzazione a vuoto perfezionato del tipo bayard alpert bricarla

Info

Publication number: IT1020185B
Authority: IT; Italy
Prior art keywords: bricarla; ionization tube; vacuum ionization; perfected; alpert type
Prior art date: 1973-08-24

Application number

IT26594/74A

Other languages

English (en)

Inventor

W Helgeland

D Sheldon

Original Assignee

Varian Associates

Priority date (The priority date 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 date listed.)

1973-08-24

Filing date

1974-08-26

Publication date

1977-12-20

1974-08-26 Application filed by Varian Associates filed Critical Varian Associates

1977-12-20 Application granted granted Critical

1977-12-20 Publication of IT1020185B publication Critical patent/IT1020185B/it

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

IT26594/74A 1973-08-24 1974-08-26 Tubo di ionizzazione a vuoto perfezionato del tipo bayard alpert bricarla IT1020185B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US00391392A US3839655A (en)	1973-08-24	1973-08-24	Bayard-alpert vacuum ionization tube

Publications (1)

Publication Number	Publication Date
IT1020185B true IT1020185B (it)	1977-12-20

Family

ID=23546407

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT26594/74A IT1020185B (it)	1973-08-24	1974-08-26	Tubo di ionizzazione a vuoto perfezionato del tipo bayard alpert bricarla

Country Status (5)

Country	Link
US (1)	US3839655A (it)
JP (1)	JPS5073684A (it)
DE (1)	DE2440090A1 (it)
FR (1)	FR2241779B3 (it)
IT (1)	IT1020185B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5991330A (ja) *	1982-11-17	1984-05-26	Ulvac Corp	絶縁形電離真空計
US4636680A (en) *	1983-05-24	1987-01-13	Granville-Phillips Company	Vacuum gauge
JPH01143928A (ja) *	1987-11-30	1989-06-06	Tokuda Seisakusho Ltd	イオンゲージ
US5128617A (en) *	1990-04-11	1992-07-07	Granville-Phillips Company	Ionization vacuum gauge with emission of electrons in parallel paths
US5422573A (en) *	1990-04-11	1995-06-06	Granville-Phillips Company	Ionization gauge and method of using and calibrating same
US5296817A (en) *	1990-04-11	1994-03-22	Granville-Phillips Company	Ionization gauge and method of using and calibrating same
US5250906A (en) *	1991-10-17	1993-10-05	Granville-Phillips Company	Ionization gauge and method of using and calibrating same
DE4112407A1 (de) *	1991-04-16	1992-10-22	Max Planck Gesellschaft	Heisskathoden-ionisationsmanometer
JP3069975B2 (ja) *	1991-09-06	2000-07-24	アネルバ株式会社	電離真空計
US6257069B1 (en)	1997-05-09	2001-07-10	The Fredericks Company	Bayard-alpert vacuum gauge with neutralization of x-ray effect
DE102005010716A1 (de) *	2005-03-09	2006-09-14	Inficon Gmbh	Kaltkathoden-Drucksensor
EP2800960B1 (en)	2012-02-08	2018-10-31	MKS Instruments, Inc.	Ionization gauge for high pressure operation
DE102016110495B4 (de) *	2016-06-07	2018-03-29	Vacom Vakuum Komponenten & Messtechnik Gmbh	Vorrichtung und Verfahren zum Erzeugen, Speichern und Freisetzen von Ionen aus einer umgebenden Restgasatmosphäre

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3743876A (en) *	1969-10-07	1973-07-03	Canadian Patents Dev	Hot-cathode ionization gauge having electrode means for shaping the electric field in the vicinity of the cathode

1973
- 1973-08-24 US US00391392A patent/US3839655A/en not_active Expired - Lifetime
1974
- 1974-08-21 DE DE2440090A patent/DE2440090A1/de active Pending
- 1974-08-24 JP JP49097461A patent/JPS5073684A/ja active Pending
- 1974-08-26 IT IT26594/74A patent/IT1020185B/it active
- 1974-08-26 FR FR7429162A patent/FR2241779B3/fr not_active Expired

Also Published As

Publication number	Publication date
US3839655A (en)	1974-10-01
FR2241779A1 (it)	1975-03-21
FR2241779B3 (it)	1976-03-19
DE2440090A1 (de)	1975-02-27
JPS5073684A (it)	1975-06-17

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