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

Preventing damaging electric fields eg in saw devices

Info

Publication number
GB2088167B
GB2088167B GB8130743A GB8130743A GB2088167B GB 2088167 B GB2088167 B GB 2088167B GB 8130743 A GB8130743 A GB 8130743A GB 8130743 A GB8130743 A GB 8130743A GB 2088167 B GB2088167 B GB 2088167B
Authority
GB
United Kingdom
Prior art keywords
electric fields
saw devices
preventing damaging
damaging electric
preventing
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.)
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.)
UK Secretary of State for Defence
Original Assignee
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.)
Filing date
Publication date
Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB8130743A priority Critical patent/GB2088167B/en
Publication of GB2088167A publication Critical patent/GB2088167A/en
Application granted granted Critical
Publication of GB2088167B publication Critical patent/GB2088167B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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 devices; 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 devices; 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

Also Published As

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

Similar Documents

Publication Publication Date Title
JPS5760615A (en) Electric device
GB2143957B (en) Electrical continuimeter
GB2092376B (en) Improvements in semiconductor devices
GB2076270B (en) Electrical air-heating device
JPS57149705A (en) Electric device
EP0054420A3 (en) Functional electric devices
JPS5791643A (en) Electric device
JPS5790394A (en) Electric hoist device
GB2071929B (en) Electrical connection device
JPS5737431A (en) Electric dustcloth
JPS56138971A (en) Electric device
GB2088167B (en) Preventing damaging electric fields eg in saw devices
JPS56156612A (en) Improvement in electric device
JPS5740832A (en) Electric facility
GB8426333D0 (en) Electrical device
GB2081367B (en) Clamping devices
JPS56143687A (en) Electric connecting device
JPS56121203A (en) Electric article
GB2082843B (en) Electric circuit device
JPS5792273A (en) Electric lock device
JPS5713792A (en) Electric circuit device
JPS57173308A (en) Enclosed electric device
JPS5731827A (en) Electric cleaner with enclosing case
YU335980A (en) Electric circuit diagram
JPS5726500A (en) Electric device

Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20011011