GB2088167B - Preventing damaging electric fields eg in saw devices - Google Patents

Preventing damaging electric fields eg in saw devices

Info

Publication number: GB2088167B
Authority: GB; United Kingdom
Prior art keywords: electric fields; saw devices; preventing damaging; damaging electric; preventing
Prior art date: 1980-11-17
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 - Lifetime

Application number

GB8130743A

Other versions

GB2088167A (en

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.)

SECR DEFENCE

UK Secretary of State for Defence

Original Assignee

SECR DEFENCE

UK Secretary of State for Defence

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.)

1980-11-17

Filing date

1981-10-12

Publication date

1984-06-20

1981-10-12 Application filed by SECR DEFENCE, UK Secretary of State for Defence filed Critical SECR DEFENCE

1981-10-12 Priority to GB8130743A priority Critical patent/GB2088167B/en

1982-06-03 Publication of GB2088167A publication Critical patent/GB2088167A/en

1984-06-20 Application granted granted Critical

1984-06-20 Publication of GB2088167B publication Critical patent/GB2088167B/en

2001-10-12 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/19—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions
- G06G7/195—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions using electro- acoustic elements
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02818—Means for compensation or elimination of undesirable effects
- H03H9/02921—Measures for preventing electric discharge due to pyroelectricity
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02984—Protection measures against damaging
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
- H10N30/06—Forming electrodes or interconnections, e.g. leads or terminals

Landscapes

Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Mathematical Physics (AREA)
Engineering & Computer Science (AREA)
Theoretical Computer Science (AREA)
Software Systems (AREA)
Computer Hardware Design (AREA)
General Physics & Mathematics (AREA)
Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)

GB8130743A 1980-11-17 1981-10-12 Preventing damaging electric fields eg in saw devices Expired - Lifetime GB2088167B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB8130743A GB2088167B (en)	1980-11-17	1981-10-12	Preventing damaging electric fields eg in saw devices

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB8036806		1980-11-17
GB8130743A GB2088167B (en)	1980-11-17	1981-10-12	Preventing damaging electric fields eg in saw devices

Publications (2)

Publication Number	Publication Date
GB2088167A GB2088167A (en)	1982-06-03
GB2088167B true GB2088167B (en)	1984-06-20

Family

ID=26277535

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8130743A Expired - Lifetime GB2088167B (en)	1980-11-17	1981-10-12	Preventing damaging electric fields eg in saw devices

Country Status (1)

Country	Link
GB (1)	GB2088167B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4410824A (en) *	1982-08-03	1983-10-18	The Bendix Corporation	Means for preventing cracks in the gap region of a surface acoustic wave device
JP2673993B2 (en) *	1990-07-02	1997-11-05	日本無線株式会社	Surface acoustic wave device
JPH06188675A (en) *	1992-12-18	1994-07-08	Canon Inc	Surface acoustic wave convolver
DE4307726C1 (en) *	1993-03-11	1994-07-28	Siemens Matsushita Components	Component working with surface acoustic waves
DE19758198A1 (en) *	1997-12-30	1999-08-19	Siemens Ag	Surface wave (SAW) device on pyroelectric single crystal substrate
JP2004297619A (en)	2003-03-27	2004-10-21	Kyocera Corp	Surface acoustic wave device

1981
- 1981-10-12 GB GB8130743A patent/GB2088167B/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
GB2088167A (en)	1982-06-03

Publication	Publication Date	Title
JPS5760615A (en)	1982-04-12	Electric device
GB2143957B (en)	1985-09-25	Electrical continuimeter
GB2092376B (en)	1985-03-06	Improvements in semiconductor devices
GB2076270B (en)	1984-08-30	Electrical air-heating device
JPS57149705A (en)	1982-09-16	Electric device
EP0054420A3 (en)	1983-04-06	Functional electric devices
JPS5790394A (en)	1982-06-05	Electric hoist device
JPS5791643A (en)	1982-06-07	Electric device
GB2071929B (en)	1984-03-14	Electrical connection device
JPS5737431A (en)	1982-03-01	Electric dustcloth
JPS56138971A (en)	1981-10-29	Electric device
GB2088167B (en)	1984-06-20	Preventing damaging electric fields eg in saw devices
GB2081367B (en)	1985-05-22	Clamping devices
JPS56156612A (en)	1981-12-03	Improvement in electric device
JPS5740832A (en)	1982-03-06	Electric facility
GB8426333D0 (en)	1984-11-21	Electrical device
JPS56143687A (en)	1981-11-09	Electric connecting device
JPS56121203A (en)	1981-09-24	Electric article
JPS5717598A (en)	1982-01-29	Electric fencing device
GB2082843B (en)	1984-09-19	Electric circuit device
JPS5713792A (en)	1982-01-23	Electric circuit device
JPS5792273A (en)	1982-06-08	Electric lock device
JPS57173308A (en)	1982-10-25	Enclosed electric device
JPS5731827A (en)	1982-02-20	Electric cleaner with enclosing case
JPS5726500A (en)	1982-02-12	Electric device

Legal Events

Date	Code	Title	Description
1982-08-04	732	Registration of transactions, instruments or events in the register (sect. 32/1977)
1992-04-29	732	Registration of transactions, instruments or events in the register (sect. 32/1977)
2001-10-31	PE20	Patent expired after termination of 20 years	Effective date: 20011011