GB0126265D0 - Vacuum gauge - Google Patents
Vacuum gaugeInfo
- Publication number
- GB0126265D0 GB0126265D0 GB0126265A GB0126265A GB0126265D0 GB 0126265 D0 GB0126265 D0 GB 0126265D0 GB 0126265 A GB0126265 A GB 0126265A GB 0126265 A GB0126265 A GB 0126265A GB 0126265 D0 GB0126265 D0 GB 0126265D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- vacuum gauge
- gauge
- vacuum
- 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.)
- Withdrawn
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
- H01J41/06—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of cold cathodes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L21/00—Vacuum gauges
- G01L21/30—Vacuum gauges by making use of ionisation effects
- G01L21/34—Vacuum gauges by making use of ionisation effects using electric discharge tubes with cold cathodes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0126265A GB2381652A (en) | 2001-11-01 | 2001-11-01 | Cold cathode ionisation vacuum gauge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0126265A GB2381652A (en) | 2001-11-01 | 2001-11-01 | Cold cathode ionisation vacuum gauge |
Publications (2)
Publication Number | Publication Date |
---|---|
GB0126265D0 true GB0126265D0 (en) | 2002-01-02 |
GB2381652A GB2381652A (en) | 2003-05-07 |
Family
ID=9924973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0126265A Withdrawn GB2381652A (en) | 2001-11-01 | 2001-11-01 | Cold cathode ionisation vacuum gauge |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2381652A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7768267B2 (en) | 2007-07-11 | 2010-08-03 | Brooks Automation, Inc. | Ionization gauge with a cold electron source |
US8686733B2 (en) | 2007-12-19 | 2014-04-01 | Brooks Automation, Inc. | Ionization gauge having electron multiplier cold emission source |
EP2252869B1 (en) * | 2008-02-21 | 2018-12-12 | MKS Instruments, Inc. | Ionization gauge with operational parameters and geometry designed for high pressure operation |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB722788A (en) * | 1952-06-05 | 1955-01-26 | Siemens Ag | Improvements in or relating to a method of measuring low pressures with an ionisation gauge comprising a cold cathode |
US3872377A (en) * | 1972-10-11 | 1975-03-18 | Tokyo Shibaura Electric Co | Cold cathode ionization gauge |
GB1380094A (en) * | 1972-10-30 | 1975-01-08 | Tokyo Shibaura Electric Co | Vacuum gauge with cold cathode |
US4000457A (en) * | 1975-10-06 | 1976-12-28 | Varian Associates | Cold cathode ionization gauge control for vacuum measurement |
US4967157A (en) * | 1988-08-29 | 1990-10-30 | Mks Instruments, Inc. | Method and circuit for extending the range of a cold cathode discharge vacuum gauge |
-
2001
- 2001-11-01 GB GB0126265A patent/GB2381652A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2381652A (en) | 2003-05-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2370978B (en) | Vacuum cleaner | |
DE50211046D1 (en) | Sensor | |
GB2378125B (en) | Vacuum cleaner | |
AU2002352199A1 (en) | Level gauge | |
GB9906788D0 (en) | Vacuum gauge | |
GB0124595D0 (en) | Pressure sensor | |
HK1050033A1 (en) | Vacuum membrane - making device | |
AU146419S (en) | Vacuum cleaner | |
AU147708S (en) | Vacuum | |
AU150513S (en) | A hand vacuum | |
GB0126265D0 (en) | Vacuum gauge | |
GB0214494D0 (en) | Vacuum flask | |
CA97505S (en) | Hand held vacuum | |
GB0108926D0 (en) | Indicator | |
GB0106072D0 (en) | Blade-use indicator | |
GB0110045D0 (en) | Pressure sensors | |
GB0114852D0 (en) | Happiar mapping | |
GB0120092D0 (en) | Location indicator | |
CA92354S (en) | Vacuum cleaner | |
CA92356S (en) | Vacuum cleaner | |
CA93446S (en) | Vacuum cleaner | |
CA92351S (en) | Vacuum cleaner | |
TW483572U (en) | Pneumatic microswitch | |
AU2002255143A1 (en) | Gauge | |
GB0111831D0 (en) | Former |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |