CN110943709B - 一种温度补偿声表滤波器的改善结构及其方法 - Google Patents
一种温度补偿声表滤波器的改善结构及其方法 Download PDFInfo
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- CN110943709B CN110943709B CN201911052661.8A CN201911052661A CN110943709B CN 110943709 B CN110943709 B CN 110943709B CN 201911052661 A CN201911052661 A CN 201911052661A CN 110943709 B CN110943709 B CN 110943709B
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- 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
- H03H9/6489—Compensation of undesirable effects
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- 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
- H03H9/02834—Means for compensation or elimination of undesirable effects of temperature influence
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
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CN201911052661.8A CN110943709B (zh) | 2019-10-31 | 2019-10-31 | 一种温度补偿声表滤波器的改善结构及其方法 |
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CN110943709B true CN110943709B (zh) | 2023-03-17 |
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CN112803911B (zh) * | 2021-01-05 | 2023-05-26 | 无锡市好达电子股份有限公司 | 一种具有温度补偿功能的声表面波换能器的制备方法 |
CN115296638A (zh) * | 2022-08-22 | 2022-11-04 | 武汉敏声新技术有限公司 | 一种谐振器及其制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013115826A (ja) * | 2011-11-29 | 2013-06-10 | Epcos Ag | 導波路層を備えるマイクロ音響デバイス |
CN107733392A (zh) * | 2016-08-11 | 2018-02-23 | 三星电机株式会社 | 体声波滤波器装置及其制造方法 |
CN107871813A (zh) * | 2017-11-17 | 2018-04-03 | 中电科技集团重庆声光电有限公司 | 一种温度补偿型声表面波器件的温度补偿层平坦化方法 |
JP2018157508A (ja) * | 2017-03-21 | 2018-10-04 | 太陽誘電株式会社 | 弾性波デバイスおよびその製造方法 |
CN108923763A (zh) * | 2018-06-01 | 2018-11-30 | 厦门市三安集成电路有限公司 | 一种高频saw之idt铜工艺制造方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005176152A (ja) * | 2003-12-15 | 2005-06-30 | Alps Electric Co Ltd | 弾性表面波素子及びその製造方法 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013115826A (ja) * | 2011-11-29 | 2013-06-10 | Epcos Ag | 導波路層を備えるマイクロ音響デバイス |
CN107733392A (zh) * | 2016-08-11 | 2018-02-23 | 三星电机株式会社 | 体声波滤波器装置及其制造方法 |
JP2018157508A (ja) * | 2017-03-21 | 2018-10-04 | 太陽誘電株式会社 | 弾性波デバイスおよびその製造方法 |
CN107871813A (zh) * | 2017-11-17 | 2018-04-03 | 中电科技集团重庆声光电有限公司 | 一种温度补偿型声表面波器件的温度补偿层平坦化方法 |
CN108923763A (zh) * | 2018-06-01 | 2018-11-30 | 厦门市三安集成电路有限公司 | 一种高频saw之idt铜工艺制造方法 |
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Effective date of registration: 20240523 Address after: No. 2, Lianshan Industrial Zone, Gushan Village, Shijing Town, Nan'an City, Quanzhou City, Fujian Province, 362343 Patentee after: Quanzhou San'an integrated circuit Co.,Ltd. Country or region after: China Address before: No.753-799 Min'an Avenue, Hongtang Town, Tong'an District, Xiamen City, Fujian Province, 361000 Patentee before: XIAMEN SANAN INTEGRATED CIRCUIT Co.,Ltd. Country or region before: China |