USB501482I5 - - Google Patents
Info
- Publication number
- USB501482I5 USB501482I5 US50148274A USB501482I5 US B501482 I5 USB501482 I5 US B501482I5 US 50148274 A US50148274 A US 50148274A US B501482 I5 USB501482 I5 US B501482I5
- Authority
- US
- United States
- 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.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4147973A GB1438777A (en) | 1973-09-04 | 1973-09-04 | Electromechanical propagation devices and the manufacture thereof |
UK41479/73 | 1973-09-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
USB501482I5 true USB501482I5 (sv) | 1976-01-13 |
US4012650A US4012650A (en) | 1977-03-15 |
Family
ID=10419872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US05/501,482 Expired - Lifetime US4012650A (en) | 1973-09-04 | 1974-08-29 | Diced substrate S.A.W. device for bulk wave attenuation |
Country Status (7)
Country | Link |
---|---|
US (1) | US4012650A (sv) |
JP (2) | JPS5056224A (sv) |
CA (1) | CA1027230A (sv) |
DE (1) | DE2440718C2 (sv) |
FR (1) | FR2242814B1 (sv) |
GB (1) | GB1438777A (sv) |
IT (1) | IT1019166B (sv) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5134651A (ja) * | 1974-09-19 | 1976-03-24 | Toko Inc | Hyomenhafuirutaoyobisonoseizohoho |
CA1089544A (en) * | 1976-11-09 | 1980-11-11 | Sadao Takahashi | Elastic surface wave device |
JPS56132806A (en) * | 1980-03-22 | 1981-10-17 | Murata Mfg Co Ltd | Elastic surface wave equipment |
US4609843A (en) * | 1983-01-27 | 1986-09-02 | The United States Of America As Represented By The Secretary Of The Air Force | Temperature compensated berlinite for surface acoustic wave devices |
DE3729014A1 (de) * | 1987-08-31 | 1989-03-09 | Siemens Ag | Oberflaechenwellenbauteil mit unterdrueckung unerwuenschter akustischer wellen |
JP2828983B2 (ja) * | 1988-02-18 | 1998-11-25 | 株式会社東芝 | 弾性表面波フィルタおよびその製造方法 |
US5345134A (en) * | 1988-06-29 | 1994-09-06 | Raytheon Company | Saw device and method of manufacture |
JPH04102319U (ja) * | 1991-01-31 | 1992-09-03 | 京セラ株式会社 | 弾性表面波フイルタ |
EP0622897B1 (en) * | 1993-04-28 | 2001-03-07 | Matsushita Electric Industrial Co., Ltd. | Surface acoustic wave device and method of manufacturing the same |
JP3206285B2 (ja) * | 1994-03-25 | 2001-09-10 | 株式会社村田製作所 | 端面反射型表面波共振子 |
JPH0897675A (ja) * | 1994-09-28 | 1996-04-12 | Canon Inc | 弾性表面波素子及びその作製方法及びそれを用いた通信装置 |
DE19548043A1 (de) * | 1995-12-21 | 1997-07-03 | Siemens Matsushita Components | Verfahren zur Strukturierung von Substraten von mit akustischen Oberflächenwellen arbeitenden Bauelementen - OFW-Bauelemente - |
WO2003041273A1 (en) * | 2001-11-06 | 2003-05-15 | Infineon Technologies Ag | Filter device and method of fabricating a filter device |
US20050108869A1 (en) * | 2003-05-16 | 2005-05-26 | Shuen-Shing Hsiao | Method for manufacturing teeth of linear step motors |
JP2005303980A (ja) * | 2004-03-15 | 2005-10-27 | Matsushita Electric Ind Co Ltd | 弾性表面波デバイスおよびその形成方法 |
GB2452191B8 (en) * | 2006-06-09 | 2012-01-25 | Ultra Scan Corp | Acoustic waveguide plate |
US7745522B2 (en) * | 2006-06-09 | 2010-06-29 | Ultra-Scan Corporation | Acoustic waveguide plate with nonsolid cores |
US8119709B2 (en) * | 2006-06-09 | 2012-02-21 | Ultra-Scan Corporation | Acoustic waveguide array |
US20100060389A1 (en) * | 2006-06-09 | 2010-03-11 | Schneider John K | Acoustic Waveguide Array With Nonsolid Cores |
DE102007047648A1 (de) * | 2007-10-05 | 2009-04-09 | BSH Bosch und Siemens Hausgeräte GmbH | Bürstenanordnung und elektrische Maschine, insbesondere elektrisches Hausgerät |
JP2020161899A (ja) * | 2019-03-25 | 2020-10-01 | 太陽誘電株式会社 | 弾性波デバイス、フィルタおよびマルチプレクサ |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3283264A (en) * | 1963-12-24 | 1966-11-01 | Bell Telephone Labor Inc | Frequency selective system |
US3353120A (en) * | 1964-01-15 | 1967-11-14 | Csf | Acoustic propagation line for compressing trains of electric waves |
US3435381A (en) * | 1965-05-03 | 1969-03-25 | Csf | Dispersive acoustic line using two-layer fluid media |
US3458831A (en) * | 1966-06-10 | 1969-07-29 | Philips Corp | Semiconductor device for producing and amplifying electrical signals of very high frequencies |
US3464033A (en) * | 1966-03-17 | 1969-08-26 | Csf | Acoustical dispersive delay line having stratified waveguide of at least two solid media coupling input and output transducers |
US3573673A (en) * | 1969-01-08 | 1971-04-06 | Zenith Radio Corp | Acoustic surface wave filters |
US3678304A (en) * | 1969-11-25 | 1972-07-18 | Reginald Frederick Humphryes | Acoustic wave device for converting bulk mode waves to surface waves and vice versa |
US3887887A (en) * | 1973-12-28 | 1975-06-03 | Texas Instruments Inc | Acoustic bulk mode suppressor |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4998552A (sv) * | 1973-01-20 | 1974-09-18 |
-
1973
- 1973-09-04 GB GB4147973A patent/GB1438777A/en not_active Expired
-
1974
- 1974-08-24 DE DE2440718A patent/DE2440718C2/de not_active Expired
- 1974-08-29 US US05/501,482 patent/US4012650A/en not_active Expired - Lifetime
- 1974-08-30 IT IT52813/74A patent/IT1019166B/it active
- 1974-09-02 JP JP49100788A patent/JPS5056224A/ja active Pending
- 1974-09-03 FR FR7429924A patent/FR2242814B1/fr not_active Expired
- 1974-09-03 CA CA208,289A patent/CA1027230A/en not_active Expired
-
1980
- 1980-09-09 JP JP1980127357U patent/JPS5733627Y2/ja not_active Expired
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3283264A (en) * | 1963-12-24 | 1966-11-01 | Bell Telephone Labor Inc | Frequency selective system |
US3353120A (en) * | 1964-01-15 | 1967-11-14 | Csf | Acoustic propagation line for compressing trains of electric waves |
US3435381A (en) * | 1965-05-03 | 1969-03-25 | Csf | Dispersive acoustic line using two-layer fluid media |
US3464033A (en) * | 1966-03-17 | 1969-08-26 | Csf | Acoustical dispersive delay line having stratified waveguide of at least two solid media coupling input and output transducers |
US3458831A (en) * | 1966-06-10 | 1969-07-29 | Philips Corp | Semiconductor device for producing and amplifying electrical signals of very high frequencies |
US3573673A (en) * | 1969-01-08 | 1971-04-06 | Zenith Radio Corp | Acoustic surface wave filters |
US3678304A (en) * | 1969-11-25 | 1972-07-18 | Reginald Frederick Humphryes | Acoustic wave device for converting bulk mode waves to surface waves and vice versa |
US3887887A (en) * | 1973-12-28 | 1975-06-03 | Texas Instruments Inc | Acoustic bulk mode suppressor |
Also Published As
Publication number | Publication date |
---|---|
CA1027230A (en) | 1978-02-28 |
DE2440718A1 (de) | 1975-03-13 |
DE2440718C2 (de) | 1983-09-22 |
FR2242814B1 (sv) | 1978-04-28 |
US4012650A (en) | 1977-03-15 |
JPS5733627Y2 (sv) | 1982-07-24 |
JPS5652311U (sv) | 1981-05-08 |
GB1438777A (en) | 1976-06-09 |
JPS5056224A (sv) | 1975-05-16 |
IT1019166B (it) | 1977-11-10 |
FR2242814A1 (sv) | 1975-03-28 |