BE821002A - Procede pour la fabrication d'un dispositif mettant a profit des ondes de surface acoustiques - Google Patents
Procede pour la fabrication d'un dispositif mettant a profit des ondes de surface acoustiquesInfo
- Publication number
- BE821002A BE821002A BE149474A BE149474A BE821002A BE 821002 A BE821002 A BE 821002A BE 149474 A BE149474 A BE 149474A BE 149474 A BE149474 A BE 149474A BE 821002 A BE821002 A BE 821002A
- Authority
- BE
- Belgium
- Prior art keywords
- manufacture
- taking advantage
- surface waves
- acoustic surface
- device taking
- 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
- H03H9/02—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
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/08—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/42—Piezoelectric device making
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4774473 | 1973-10-12 | ||
| GB4774373A GB1474180A (en) | 1973-10-12 | 1973-10-12 | Acoustic surface wave devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE821002A true BE821002A (fr) | 1975-04-11 |
Family
ID=26266126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE149474A BE821002A (fr) | 1973-10-12 | 1974-10-11 | Procede pour la fabrication d'un dispositif mettant a profit des ondes de surface acoustiques |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3983515A (xx) |
| JP (1) | JPS5080054A (xx) |
| AR (1) | AR208674A1 (xx) |
| AU (1) | AU7398374A (xx) |
| BE (1) | BE821002A (xx) |
| BR (1) | BR7408384D0 (xx) |
| CA (1) | CA1019829A (xx) |
| DE (1) | DE2448097A1 (xx) |
| ES (2) | ES430875A1 (xx) |
| FR (1) | FR2247849B1 (xx) |
| GB (1) | GB1474180A (xx) |
| SE (1) | SE402393B (xx) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1585087A (en) * | 1976-07-29 | 1981-02-25 | Plessey Co Ltd | Surface acoustic wave filters |
| US4047130A (en) * | 1976-08-27 | 1977-09-06 | Rockwell International Corporation | Surface acoustic wave filter |
| GB1591624A (en) * | 1977-01-24 | 1981-06-24 | Secr Defence | Acoustic wave devices |
| US4109172A (en) * | 1977-08-19 | 1978-08-22 | The United States Of America As Represented By The Secretary Of The Air Force | High piezoelectric coupling-temperature compensated berlinite substrate member for surface acoustic wave devices |
| US4109173A (en) * | 1977-08-19 | 1978-08-22 | The United States Of America As Represented By The Secretary Of The Air Force | High piezoelectric coupling, low diffraction loss, temperature compensated berlinite substrate members for surface acoustic wave devices |
| JP2869075B2 (ja) * | 1988-12-09 | 1999-03-10 | 日立建機株式会社 | 配向性薄膜パターンの形成方法、配向性薄膜パターンおよび薄膜アレイ超音波変換器の薄膜素子の形成方法 |
| EP0758818B1 (en) * | 1995-08-15 | 2000-03-22 | CTS Corporation | Surface-skimming bulk wave substrate and device including same |
| JPH09167936A (ja) | 1995-10-13 | 1997-06-24 | Fujitsu Ltd | 弾性表面波装置 |
| DE19641662B4 (de) * | 1995-10-13 | 2004-07-01 | Fujitsu Ltd., Kawasaki | Oberflächenakustikwellenvorrichtung mit einem optimierten Schnittwinkel eines piezoelektrischen Substrats |
| WO2004112093A2 (en) | 2003-06-06 | 2004-12-23 | P.C.T. Systems, Inc. | Method and apparatus to process substrates with megasonic energy |
| CN107112978B (zh) * | 2014-12-24 | 2020-10-02 | 西铁城时计株式会社 | 表面声波器件 |
| WO2018140939A1 (en) | 2017-01-30 | 2018-08-02 | The Charles Stark Draper Laboratory, Inc. | Electro-holographic light field generators and displays |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3387233A (en) * | 1964-06-11 | 1968-06-04 | Bell Telephone Labor Inc | Signal dispersion system |
-
1973
- 1973-10-12 GB GB4774373A patent/GB1474180A/en not_active Expired
-
1974
- 1974-10-04 AU AU73983/74A patent/AU7398374A/en not_active Expired
- 1974-10-09 DE DE19742448097 patent/DE2448097A1/de not_active Withdrawn
- 1974-10-09 AR AR256010A patent/AR208674A1/es active
- 1974-10-09 BR BR8384/74A patent/BR7408384D0/pt unknown
- 1974-10-09 SE SE7412652A patent/SE402393B/xx unknown
- 1974-10-10 US US05/513,701 patent/US3983515A/en not_active Expired - Lifetime
- 1974-10-10 ES ES430875A patent/ES430875A1/es not_active Expired
- 1974-10-11 BE BE149474A patent/BE821002A/xx unknown
- 1974-10-11 CA CA211,259A patent/CA1019829A/en not_active Expired
- 1974-10-12 JP JP49117632A patent/JPS5080054A/ja active Pending
- 1974-10-14 FR FR7434444A patent/FR2247849B1/fr not_active Expired
-
1975
- 1975-03-18 ES ES435723A patent/ES435723A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2247849A1 (xx) | 1975-05-09 |
| BR7408384D0 (pt) | 1975-07-29 |
| US3983515A (en) | 1976-09-28 |
| SE7412652L (xx) | 1975-05-23 |
| ES430875A1 (es) | 1977-02-16 |
| FR2247849B1 (xx) | 1978-10-13 |
| GB1474180A (en) | 1977-05-18 |
| AU7398374A (en) | 1976-04-08 |
| AR208674A1 (es) | 1977-02-28 |
| DE2448097A1 (de) | 1975-04-17 |
| JPS5080054A (xx) | 1975-06-28 |
| CA1019829A (en) | 1977-10-25 |
| ES435723A1 (es) | 1977-02-01 |
| SE402393B (sv) | 1978-06-26 |
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