GB9212940D0 - Semiconductor deep cavity device - Google Patents

Semiconductor deep cavity device

Info

Publication number: GB9212940D0
Authority: GB; United Kingdom
Prior art keywords: cavity device; deep cavity; semiconductor deep; semiconductor; deep
Prior art date: 1989-12-28
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

GB929212940A

Other versions

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.)

BTG International Ltd

Original Assignee

British Technology Group Ltd

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.)

1989-12-28

Filing date

1992-06-18

Publication date

1992-08-26

1989-12-28 Priority claimed from GB898929277A external-priority patent/GB8929277D0/en

1992-06-18 Application filed by British Technology Group Ltd filed Critical British Technology Group Ltd

1992-06-18 Priority to GB9212940A priority Critical patent/GB2255230A/en

1992-08-26 Publication of GB9212940D0 publication Critical patent/GB9212940D0/en

1992-10-28 Publication of GB2255230A publication Critical patent/GB2255230A/en

Status Withdrawn legal-status Critical Current

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0076—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means
- G01L9/0077—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means for measuring reflected light
- G01L9/0079—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means for measuring reflected light with Fabry-Perot arrangements

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Recrystallisation Techniques (AREA)
Laminated Bodies (AREA)

GB9212940A 1989-12-28 1992-06-18 Semiconductor deep cavity device Withdrawn GB2255230A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB9212940A GB2255230A (en)	1989-12-28	1992-06-18	Semiconductor deep cavity device

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
GB898929277A GB8929277D0 (en)	1989-12-28	1989-12-28	Semiconductor deep cavity device
PCT/GB1990/002034 WO1991010119A2 (en)	1989-12-28	1990-12-28	Semiconductor deep cavity device
GB9212940A GB2255230A (en)	1989-12-28	1992-06-18	Semiconductor deep cavity device

Publications (2)

Publication Number	Publication Date
GB9212940D0 true GB9212940D0 (en)	1992-08-26
GB2255230A GB2255230A (en)	1992-10-28

Family

ID=26296439

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9212940A Withdrawn GB2255230A (en)	1989-12-28	1992-06-18	Semiconductor deep cavity device

Country Status (1)

Country	Link
GB (1)	GB2255230A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8506589D0 (en) *	1985-03-14	1985-04-17	Ici Plc	Pressure sensor
GB2202936B (en) *	1987-03-31	1990-11-14	Plessey Co Plc	Improvements relating to optical pressure or displacement sensors

1992
- 1992-06-18 GB GB9212940A patent/GB2255230A/en not_active Withdrawn

Also Published As

Publication number	Publication date
GB2255230A (en)	1992-10-28

Similar Documents

Publication	Publication Date	Title
GB8713440D0 (en)	1987-07-15	Semiconductor device
GB2213988B (en)	1992-02-05	Semiconductor device
GB2237446B (en)	1993-07-07	Semi-conductor device
GB8713386D0 (en)	1987-07-15	Semiconductor device
EP0279605A3 (en)	1989-06-07	Semiconductor device
GB8804954D0 (en)	1988-03-30	Semiconductor device
GB8713388D0 (en)	1987-07-15	Semiconductor device
GB8723775D0 (en)	1987-11-11	Semiconductor device
GB8713382D0 (en)	1987-07-15	Semiconductor device
EP0416195A3 (en)	1991-07-24	Semiconductor laser device
GB8814297D0 (en)	1988-07-20	Semiconductor device
SG67297A1 (en)	1999-09-21	Semiconductor device
GB2228826B (en)	1993-01-27	Semiconductor device
GB8901342D0 (en)	1989-03-15	Semiconductor device
EP0431586A3 (en)	1992-06-03	High-power semiconductor device
EP0412772A3 (en)	1991-10-09	Semi-conductor device
EP0415318A3 (en)	1992-05-27	Semiconductor device
EP0305121A3 (en)	1990-03-28	Semiconductor device
GB8717734D0 (en)	1987-09-03	Semiconductor device
GB9005732D0 (en)	1990-05-09	Compound semiconductor device
GB8811703D0 (en)	1988-06-22	Semiconductor device
GB8712971D0 (en)	1987-07-08	Semiconductor device
GB8916107D0 (en)	1989-08-31	Semiconductor device
EP0421404A3 (en)	1992-12-02	Semiconductor device
EP0405501A3 (en)	1991-07-24	Semiconductor device

Legal Events

Date	Code	Title	Description
1994-09-28	WAP	Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)