CN106849898A - 一种17%相对带宽低损耗声表滤波器及其制备方法 - Google Patents
一种17%相对带宽低损耗声表滤波器及其制备方法 Download PDFInfo
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- CN106849898A CN106849898A CN201611148487.3A CN201611148487A CN106849898A CN 106849898 A CN106849898 A CN 106849898A CN 201611148487 A CN201611148487 A CN 201611148487A CN 106849898 A CN106849898 A CN 106849898A
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- wavelength
- saw filter
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- relative bandwidth
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- 238000002360 preparation method Methods 0.000 title claims description 15
- 239000000463 material Substances 0.000 claims abstract description 27
- 229910003327 LiNbO3 Inorganic materials 0.000 claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 230000002745 absorbent Effects 0.000 claims abstract description 5
- 239000002250 absorbent Substances 0.000 claims abstract description 5
- 239000010949 copper Substances 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 241000826860 Trapezium Species 0.000 claims description 9
- 239000007772 electrode material Substances 0.000 claims description 8
- 239000011358 absorbing material Substances 0.000 claims description 7
- 210000003746 feather Anatomy 0.000 claims description 3
- 230000004044 response Effects 0.000 abstract description 7
- 238000007493 shaping process Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000010897 surface acoustic wave method Methods 0.000 description 1
- 239000002345 surface coating layer Substances 0.000 description 1
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
- H03H3/02—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 piezoelectric or electrostrictive resonators or 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
- H03H9/02818—Means for compensation or elimination of undesirable effects
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6406—Filters characterised by a particular frequency characteristic
- H03H9/6413—SAW comb filters
-
- 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
- H03H3/02—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 piezoelectric or electrostrictive resonators or networks
- H03H2003/026—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 piezoelectric or electrostrictive resonators or networks the resonators or networks being of the tuning fork type
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611148487.3A CN106849898A (zh) | 2016-12-13 | 2016-12-13 | 一种17%相对带宽低损耗声表滤波器及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611148487.3A CN106849898A (zh) | 2016-12-13 | 2016-12-13 | 一种17%相对带宽低损耗声表滤波器及其制备方法 |
Publications (1)
Publication Number | Publication Date |
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CN106849898A true CN106849898A (zh) | 2017-06-13 |
Family
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Family Applications (1)
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CN201611148487.3A Pending CN106849898A (zh) | 2016-12-13 | 2016-12-13 | 一种17%相对带宽低损耗声表滤波器及其制备方法 |
Country Status (1)
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CN (1) | CN106849898A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110995293A (zh) * | 2019-11-04 | 2020-04-10 | 三维通信股份有限公司 | 带内波动抑制装置和射频*** |
WO2021068670A1 (zh) * | 2019-10-11 | 2021-04-15 | 天津大学 | 一种滤波电路及提高滤波电路性能的方法和信号处理设备 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1257347A (zh) * | 1998-11-24 | 2000-06-21 | 株式会社村田制作所 | 表面声波滤波器 |
CN1751436A (zh) * | 2003-12-01 | 2006-03-22 | 株式会社村田制作所 | 滤波器装置 |
JP2015119449A (ja) * | 2013-12-20 | 2015-06-25 | 株式会社村田製作所 | 弾性表面波フィルタ |
-
2016
- 2016-12-13 CN CN201611148487.3A patent/CN106849898A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1257347A (zh) * | 1998-11-24 | 2000-06-21 | 株式会社村田制作所 | 表面声波滤波器 |
CN1751436A (zh) * | 2003-12-01 | 2006-03-22 | 株式会社村田制作所 | 滤波器装置 |
JP2015119449A (ja) * | 2013-12-20 | 2015-06-25 | 株式会社村田製作所 | 弾性表面波フィルタ |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021068670A1 (zh) * | 2019-10-11 | 2021-04-15 | 天津大学 | 一种滤波电路及提高滤波电路性能的方法和信号处理设备 |
CN110995293A (zh) * | 2019-11-04 | 2020-04-10 | 三维通信股份有限公司 | 带内波动抑制装置和射频*** |
CN110995293B (zh) * | 2019-11-04 | 2022-06-07 | 三维通信股份有限公司 | 带内波动抑制装置和射频*** |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Yang Sichuan Inventor after: Yan Kunkun Inventor after: Wei Yongping Inventor after: Huang Xin Inventor after: Zhang Enyu Inventor before: Yan Kunkun Inventor before: Wei Yongping Inventor before: Yang Sichuan Inventor before: Huang Xin Inventor before: Zhang Enyu |
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RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |