SE7412716L - - Google Patents
Info
- Publication number
- SE7412716L SE7412716L SE7412716A SE7412716A SE7412716L SE 7412716 L SE7412716 L SE 7412716L SE 7412716 A SE7412716 A SE 7412716A SE 7412716 A SE7412716 A SE 7412716A SE 7412716 L SE7412716 L SE 7412716L
- Authority
- SE
- Sweden
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 true SE7412716L (it) | 1975-04-14 |
| SE398585B 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 |
| DE59207500D1 (de) * | 1991-03-28 | 1996-12-12 | Siemens Ag | Oberflächenwellenanordnung mit einer struktur zur vermeidung störender akustischer wellenanteile |
| 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 AU AU74178/74A patent/AU7417874A/en not_active Expired
- 1974-10-10 ES ES0430906A patent/ES430906A1/es 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 IT IT70045/74A patent/IT1020984B/it active
- 1974-10-11 CA CA211,280A patent/CA1019812A/en not_active Expired
- 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 |
|---|---|
| JPS5080051A (it) | 1975-06-28 |
| GB1440950A (en) | 1976-06-30 |
| US3956647A (en) | 1976-05-11 |
| FR2247850A1 (it) | 1975-05-09 |
| ES430906A1 (es) | 1976-10-16 |
| IT1020984B (it) | 1977-12-30 |
| SE398585B (sv) | 1977-12-27 |
| BE821003A (fr) | 1975-04-11 |
| CA1019812A (en) | 1977-10-25 |
| BR7408485D0 (pt) | 1975-09-16 |
| AU7417874A (en) | 1976-04-15 |
| FR2247850B1 (it) | 1979-06-01 |
| DE2447814A1 (de) | 1975-04-17 |