DE3586199D1 - Wandler fuer akustische oberflaechenwellen. - Google Patents
Wandler fuer akustische oberflaechenwellen.Info
- Publication number
- DE3586199D1 DE3586199D1 DE8585402357T DE3586199T DE3586199D1 DE 3586199 D1 DE3586199 D1 DE 3586199D1 DE 8585402357 T DE8585402357 T DE 8585402357T DE 3586199 T DE3586199 T DE 3586199T DE 3586199 D1 DE3586199 D1 DE 3586199D1
- Authority
- DE
- Germany
- Prior art keywords
- converter
- surface waves
- acoustic surface
- acoustic
- waves
- 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
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
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for 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
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14502—Surface acoustic wave [SAW] transducers for a particular purpose
- H03H9/14505—Unidirectional SAW transducers
-
- 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)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/677,513 US4910839A (en) | 1984-12-03 | 1984-12-03 | Method of making a single phase unidirectional surface acoustic wave transducer |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3586199D1 true DE3586199D1 (de) | 1992-07-16 |
DE3586199T2 DE3586199T2 (de) | 1993-01-14 |
Family
ID=24719016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585402357T Expired - Lifetime DE3586199T2 (de) | 1984-12-03 | 1985-11-29 | Wandler fuer akustische oberflaechenwellen. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4910839A (de) |
EP (1) | EP0184508B1 (de) |
JP (1) | JP2731805B2 (de) |
KR (1) | KR940006926B1 (de) |
DE (1) | DE3586199T2 (de) |
GB (1) | GB2168212B (de) |
IT (1) | IT1183990B (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4749964A (en) * | 1986-12-08 | 1988-06-07 | R. F. Monolithics, Inc. | Superregenerative detector having a saw device in the feedback circuit |
US5196753A (en) * | 1989-07-31 | 1993-03-23 | Raytheon Company | Surface acoustic wave devices having long-term frequency stability |
US5264751A (en) * | 1989-10-20 | 1993-11-23 | Thomson-Csf | Unilateral surface wave transducer |
FR2653632B1 (fr) * | 1989-10-20 | 1991-12-20 | Thomson Csf | Transducteur d'ondes de surface unidirectionnel. |
US5073763A (en) * | 1990-11-02 | 1991-12-17 | R.F. Monolithics, Inc. | Group single-phase unidirectional transducers with 3/8λand 5/8λ sampling |
JP2844968B2 (ja) * | 1991-06-27 | 1999-01-13 | 日本電気株式会社 | 弾性表面波フィルタ用重み付け電極 |
US5274345A (en) * | 1992-05-13 | 1993-12-28 | Andersen Laboratories | Dual function reflector structures for interdigital saw transducer |
FR2695771B1 (fr) * | 1992-09-15 | 1994-10-28 | Thomson Csf | Transducteur d'ondes unidirectionnel. |
US5703427A (en) * | 1993-03-19 | 1997-12-30 | Thomson-Csf | Surface-wave distributed acoustic reflection transducer and filter including such a transducer |
US5406159A (en) * | 1993-11-11 | 1995-04-11 | Rf Monolithics, Inc. | Surface acoustic wave gratings having selected reflectivity |
US5793146A (en) * | 1993-11-12 | 1998-08-11 | Rf Monolithics, Inc. | Surface acoustic wave transducer having selected reflectivity |
EP0704967B1 (de) * | 1994-09-28 | 2001-08-08 | Masao Takeuchi | Akustische Oberflächenwellenanordnung |
EP0758818B1 (de) * | 1995-08-15 | 2000-03-22 | CTS Corporation | Surface-Skimming-Bulk-Welle-Substrat, und diese enthaltende Vorrichtung |
JP3268179B2 (ja) * | 1995-11-08 | 2002-03-25 | 正男 竹内 | 弾性表面波変換器及びこの変換器を用いた弾性表面波フィルタ |
US6147574A (en) * | 1997-11-20 | 2000-11-14 | Murata Manufacturing Co., Ltd. | Unidirectional surface acoustic wave transducer and transversal-type saw filter having the same |
JP2000036722A (ja) * | 1998-05-11 | 2000-02-02 | Tdk Corp | 弾性表面波装置の設計方法および弾性表面波装置 |
JP2001257554A (ja) * | 2000-01-07 | 2001-09-21 | Tdk Corp | 弾性表面波装置 |
DE10010089A1 (de) * | 2000-03-02 | 2001-09-06 | Epcos Ag | Oberflächenwellenwandler mit optimierter Reflexion |
DE10026074B4 (de) * | 2000-05-25 | 2010-02-18 | Epcos Ag | Rekursives OFW-Filter mit geringer Chiplänge |
JP3414373B2 (ja) * | 2000-07-26 | 2003-06-09 | 株式会社村田製作所 | 弾性表面波装置 |
DE10040813A1 (de) | 2000-08-21 | 2002-03-21 | Zeiss Carl | Spektrometeranordnung |
DE10041040A1 (de) * | 2000-08-22 | 2002-03-07 | Zeiss Carl | Vorrichtung und Verfahren zur Belichtung einer strahlungsempfindlichen Schicht mittels geladener Teilchen sowie Maske hierfür |
DE10113788A1 (de) | 2001-03-21 | 2002-09-26 | Zeiss Carl | Beugungsoptische Komponente, Beleuchtungssystem und Belichtungssystem mit einer solchen beugungsoptischen Komponente und Belichtungsverfahren unter Verwendung eines solchen Belichtungssystems |
US20020141039A1 (en) * | 2001-04-02 | 2002-10-03 | Michael Mermelstein | Spatial light modulation |
US6534896B2 (en) * | 2001-05-15 | 2003-03-18 | Nortel Networks Limited | Spatial harmonic transducers for surface wave devices |
TW519750B (en) * | 2001-06-27 | 2003-02-01 | Asia Pacific Microsystems Inc | Manufacturing method of steady-type film bulk acoustic wave device |
US7132696B2 (en) | 2002-08-28 | 2006-11-07 | Micron Technology, Inc. | Intermeshed guard bands for multiple voltage supply structures on an integrated circuit, and methods of making same |
DE10314153A1 (de) * | 2003-03-28 | 2004-10-07 | Epcos Ag | Oberflächenwellen-Anordnung zur breitbandigen Signalübertragung |
US7002281B2 (en) | 2003-07-16 | 2006-02-21 | Biode Inc. | Multi-reflective acoustic wave device |
JP4527968B2 (ja) * | 2003-11-26 | 2010-08-18 | 住友ゴム工業株式会社 | 空気入りタイヤ |
CN100571026C (zh) * | 2004-03-30 | 2009-12-16 | 中国科学院声学研究所 | 具有单相单向结构的声表面波延迟线 |
DE102019107010A1 (de) * | 2019-03-19 | 2020-09-24 | RF360 Europe GmbH | DMS-Filter, elektroakustisches Filter und Multiplexer |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3866153A (en) * | 1973-10-11 | 1975-02-11 | Us Air Force | Ultra low diffraction loss substrate members for acoustic surface wave devices |
JPS5532051B2 (de) * | 1974-02-14 | 1980-08-22 | ||
JPS56116317A (en) * | 1980-02-19 | 1981-09-12 | Matsushita Electric Ind Co Ltd | Material for elastic surface wave |
US4353046A (en) * | 1980-11-04 | 1982-10-05 | R F Monolithics, Inc. | Surface acoustic wave device with reflectors |
-
1984
- 1984-12-03 US US06/677,513 patent/US4910839A/en not_active Expired - Lifetime
-
1985
- 1985-11-20 GB GB08528582A patent/GB2168212B/en not_active Expired
- 1985-11-29 EP EP85402357A patent/EP0184508B1/de not_active Expired - Lifetime
- 1985-11-29 DE DE8585402357T patent/DE3586199T2/de not_active Expired - Lifetime
- 1985-12-02 IT IT68010/85A patent/IT1183990B/it active
- 1985-12-03 KR KR1019850009047A patent/KR940006926B1/ko not_active IP Right Cessation
- 1985-12-03 JP JP60272340A patent/JP2731805B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2168212A (en) | 1986-06-11 |
KR860005331A (ko) | 1986-07-21 |
EP0184508B1 (de) | 1992-06-10 |
GB2168212B (en) | 1988-12-07 |
IT1183990B (it) | 1987-10-22 |
KR940006926B1 (ko) | 1994-07-29 |
DE3586199T2 (de) | 1993-01-14 |
EP0184508A3 (en) | 1987-02-04 |
JP2731805B2 (ja) | 1998-03-25 |
GB8528582D0 (en) | 1985-12-24 |
JPS61136313A (ja) | 1986-06-24 |
IT8568010A0 (it) | 1985-12-02 |
EP0184508A2 (de) | 1986-06-11 |
US4910839A (en) | 1990-03-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |