SE398585B - Akustisk ytvagsanordning - Google Patents
Akustisk ytvagsanordningInfo
- Publication number
- SE398585B SE398585B SE7412716A SE7412716A SE398585B SE 398585 B SE398585 B SE 398585B SE 7412716 A SE7412716 A SE 7412716A SE 7412716 A SE7412716 A SE 7412716A SE 398585 B SE398585 B SE 398585B
- Authority
- SE
- Sweden
- Prior art keywords
- surface water
- water device
- acoustic surface
- acoustic
- water
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/30—Time-delay networks
-
- 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
- H03H9/02543—Characteristics of substrate, e.g. cutting angles
-
- 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
- H03H9/02614—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves
- H03H9/02622—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves of the surface, including back surface
-
- 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
- H03H9/02866—Means for compensation or elimination of undesirable effects of bulk wave excitation and reflections
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4774573A GB1440950A (en) | 1973-10-12 | 1973-10-12 | Acoustic surface-wave devices |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7412716L SE7412716L (it) | 1975-04-14 |
SE398585B true SE398585B (sv) | 1977-12-27 |
Family
ID=10446109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7412716A SE398585B (sv) | 1973-10-12 | 1974-10-10 | Akustisk ytvagsanordning |
Country Status (12)
Country | Link |
---|---|
US (1) | US3956647A (it) |
JP (1) | JPS5080051A (it) |
AU (1) | AU7417874A (it) |
BE (1) | BE821003A (it) |
BR (1) | BR7408485D0 (it) |
CA (1) | CA1019812A (it) |
DE (1) | DE2447814A1 (it) |
ES (1) | ES430906A1 (it) |
FR (1) | FR2247850B1 (it) |
GB (1) | GB1440950A (it) |
IT (1) | IT1020984B (it) |
SE (1) | SE398585B (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4044321A (en) * | 1976-03-01 | 1977-08-23 | Rockwell International Corporation | Surface acoustic wave band pass filtering |
GB2000926B (en) * | 1977-07-05 | 1982-04-28 | Texas Instruments Inc | Channel selector for television receiver |
JPS5643819A (en) * | 1979-09-18 | 1981-04-22 | Nec Corp | Surface elastic wave filter |
CA1227862A (en) * | 1981-08-17 | 1987-10-06 | Sumitomo Electric Industries, Ltd. | Optical integrated circuits |
JPS5964908A (ja) * | 1982-10-05 | 1984-04-13 | Nobuo Mikoshiba | 弾性表面波素子 |
JP3270042B2 (ja) * | 1991-03-28 | 2002-04-02 | エプコス アクチエンゲゼルシャフト | 障害音響波成分が発生するのを防止する表面波構造を有する表面波装置 |
JP3243047B2 (ja) * | 1993-03-12 | 2002-01-07 | 呉羽化学工業株式会社 | 受波型圧電素子 |
US5576589A (en) * | 1994-10-13 | 1996-11-19 | Kobe Steel Usa, Inc. | Diamond surface acoustic wave devices |
DE10102747B4 (de) * | 2001-01-22 | 2010-06-10 | Epcos Ag | Piezoelektrisches Substrat und Verfahren zur Herstellung |
DE102015106191A1 (de) * | 2015-04-22 | 2016-10-27 | Epcos Ag | Elektroakustisches Bauelement mit verbesserter Akustik |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3070761A (en) * | 1953-05-07 | 1962-12-25 | Smith & Sons Ltd S | Ultrasonic delay lines |
US3845420A (en) * | 1973-03-02 | 1974-10-29 | Raytheon Co | Surface acoustic wave phase control device |
US3846722A (en) * | 1973-04-04 | 1974-11-05 | Westinghouse Electric Corp | Surface wave preselector |
US3866153A (en) * | 1973-10-11 | 1975-02-11 | Us Air Force | Ultra low diffraction loss substrate members for acoustic surface wave devices |
US3845418A (en) * | 1974-01-02 | 1974-10-29 | Hughes Aircraft Co | Acoustic surface wave device with reduced rf feedthrough |
-
1973
- 1973-10-12 GB GB4774573A patent/GB1440950A/en not_active Expired
-
1974
- 1974-10-08 DE DE19742447814 patent/DE2447814A1/de not_active Withdrawn
- 1974-10-10 ES ES0430906A patent/ES430906A1/es not_active Expired
- 1974-10-10 AU AU74178/74A patent/AU7417874A/en not_active Expired
- 1974-10-10 SE SE7412716A patent/SE398585B/xx unknown
- 1974-10-11 BR BR8485/74A patent/BR7408485D0/pt unknown
- 1974-10-11 CA CA211,280A patent/CA1019812A/en not_active Expired
- 1974-10-11 IT IT70045/74A patent/IT1020984B/it active
- 1974-10-11 BE BE149475A patent/BE821003A/xx unknown
- 1974-10-12 JP JP49117633A patent/JPS5080051A/ja active Pending
- 1974-10-14 FR FR7434445A patent/FR2247850B1/fr not_active Expired
- 1974-10-15 US US05/514,472 patent/US3956647A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA1019812A (en) | 1977-10-25 |
FR2247850A1 (it) | 1975-05-09 |
BR7408485D0 (pt) | 1975-09-16 |
GB1440950A (en) | 1976-06-30 |
JPS5080051A (it) | 1975-06-28 |
BE821003A (fr) | 1975-04-11 |
IT1020984B (it) | 1977-12-30 |
US3956647A (en) | 1976-05-11 |
SE7412716L (it) | 1975-04-14 |
AU7417874A (en) | 1976-04-15 |
FR2247850B1 (it) | 1979-06-01 |
ES430906A1 (es) | 1976-10-16 |
DE2447814A1 (de) | 1975-04-17 |
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