CA933238A - Ion gauge - Google Patents

Ion gauge

Info

Publication number: CA933238A
Authority: CA; Canada
Prior art keywords: ion gauge; gauge; ion
Prior art date: 1969-10-29
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

Application number

CA096891A

Other versions

CA96891S (en

Inventor

G. Pittaway Lawrence

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1969-10-29

Filing date

1970-10-29

Publication date

1973-09-04

1970-10-29 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1973-09-04 Application granted granted Critical

1973-09-04 Publication of CA933238A publication Critical patent/CA933238A/en

Status Expired legal-status Critical Current

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
- H01J41/06—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of cold cathodes
- 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

CA096891A 1969-10-29 1970-10-29 Ion gauge Expired CA933238A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB5300769		1969-10-29

Publications (1)

Publication Number	Publication Date
CA933238A true CA933238A (en)	1973-09-04

Family

ID=10466254

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA096891A Expired CA933238A (en)	1969-10-29	1970-10-29	Ion gauge

Country Status (6)

Country	Link
US (1)	US3742343A (en)
JP (1)	JPS497511B1 (en)
CA (1)	CA933238A (en)
DE (1)	DE2052094A1 (en)
FR (1)	FR2066651A5 (en)
GB (1)	GB1336126A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1437174A (en) *	1972-05-26	1976-05-26	Mullard Ltd	Ion gauges
US4307323A (en) *	1980-04-04	1981-12-22	Granville-Phillips Company	Vacuum gauge
US4636680A (en) *	1983-05-24	1987-01-13	Granville-Phillips Company	Vacuum gauge
US5422573A (en) *	1990-04-11	1995-06-06	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
US5296817A (en) *	1990-04-11	1994-03-22	Granville-Phillips Company	Ionization gauge and method of using and calibrating same
DE4338535C2 (en) *	1993-11-11	2003-06-18	Unaxis Deutschland Holding	Extractor ion gauge
DE29614489U1 (en) *	1996-08-21	1996-10-10	Leybold Vakuum GmbH, 50968 Köln	Measuring system for a vacuum meter
CH707685A1 (en) *	2013-03-06	2014-09-15	Inficon Gmbh	Ionization vacuum measuring cell with shielding.

1969
- 1969-10-29 GB GB5300769A patent/GB1336126A/en not_active Expired
1970
- 1970-10-23 DE DE19702052094 patent/DE2052094A1/en active Pending
- 1970-10-27 JP JP45094244A patent/JPS497511B1/ja active Pending
- 1970-10-28 FR FR7038866A patent/FR2066651A5/fr not_active Expired
- 1970-10-29 US US00085157A patent/US3742343A/en not_active Expired - Lifetime
- 1970-10-29 CA CA096891A patent/CA933238A/en not_active Expired

Also Published As

Publication number	Publication date
US3742343A (en)	1973-06-26
DE2052094A1 (en)	1971-05-06
FR2066651A5 (en)	1971-08-06
JPS497511B1 (en)	1974-02-20
GB1336126A (en)	1973-11-07

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