CN107871813B - 一种温度补偿型声表面波器件的温度补偿层平坦化方法 - Google Patents
一种温度补偿型声表面波器件的温度补偿层平坦化方法 Download PDFInfo
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- CN107871813B CN107871813B CN201711147126.1A CN201711147126A CN107871813B CN 107871813 B CN107871813 B CN 107871813B CN 201711147126 A CN201711147126 A CN 201711147126A CN 107871813 B CN107871813 B CN 107871813B
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- photoresist
- temperature compensation
- silicon dioxide
- compensation layer
- acoustic wave
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000010897 surface acoustic wave method Methods 0.000 title claims abstract description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 148
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 82
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 73
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 73
- 239000002184 metal Substances 0.000 claims abstract description 67
- 238000001312 dry etching Methods 0.000 claims abstract description 19
- XKRFYHLGVUSROY-UHFFFAOYSA-N argon Substances [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052786 argon Inorganic materials 0.000 claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 238000005530 etching Methods 0.000 claims abstract description 7
- 230000001133 acceleration Effects 0.000 claims description 3
- 238000004528 spin coating Methods 0.000 claims description 3
- 239000013256 coordination polymer Substances 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 2
- 230000033772 system development Effects 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/20—Sequence of activities consisting of a plurality of measurements, corrections, marking or sorting steps
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
- H10N30/02—Forming enclosures or casings
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/88—Mounts; Supports; Enclosures; Casings
- H10N30/883—Additional insulation means preventing electrical, physical or chemical damage, e.g. protective coatings
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
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Claims (7)
Priority Applications (1)
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CN201711147126.1A CN107871813B (zh) | 2017-11-17 | 2017-11-17 | 一种温度补偿型声表面波器件的温度补偿层平坦化方法 |
Applications Claiming Priority (1)
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CN201711147126.1A CN107871813B (zh) | 2017-11-17 | 2017-11-17 | 一种温度补偿型声表面波器件的温度补偿层平坦化方法 |
Publications (2)
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CN107871813A CN107871813A (zh) | 2018-04-03 |
CN107871813B true CN107871813B (zh) | 2020-08-11 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108461626A (zh) * | 2018-04-28 | 2018-08-28 | 中国电子科技集团公司第二十六研究所 | 一种温度补偿型声表面波器件的温度补偿层平坦化方法 |
CN110943709B (zh) * | 2019-10-31 | 2023-03-17 | 厦门市三安集成电路有限公司 | 一种温度补偿声表滤波器的改善结构及其方法 |
CN113162580A (zh) * | 2021-04-30 | 2021-07-23 | 江苏卓胜微电子股份有限公司 | 一种声表面波谐振器的制作方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3965444A (en) * | 1975-01-03 | 1976-06-22 | Raytheon Company | Temperature compensated surface acoustic wave devices |
JPS59125629A (ja) * | 1983-01-05 | 1984-07-20 | Nec Corp | 平担化方法 |
JPH05129247A (ja) * | 1991-11-07 | 1993-05-25 | Fujitsu Ltd | 半導体装置の製造方法 |
KR100954688B1 (ko) * | 2006-03-02 | 2010-04-27 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 장치 및 그 제조방법 |
US7408286B1 (en) * | 2007-01-17 | 2008-08-05 | Rf Micro Devices, Inc. | Piezoelectric substrate for a saw device |
CN101796724B (zh) * | 2007-12-17 | 2013-06-19 | 太阳诱电株式会社 | 弹性波元件、通信组件、以及通信装置 |
CN102097311B (zh) * | 2010-11-16 | 2012-08-29 | 无锡中微晶园电子有限公司 | 一种平坦化方法 |
DE102014111993B4 (de) * | 2014-08-21 | 2017-12-21 | Snaptrack, Inc. | Mikroakustische Bauelement mit verbesserter Temperaturkompensation |
CN107317560B (zh) * | 2017-05-11 | 2021-01-05 | 华南理工大学 | 一种温度补偿表面声波器件及其制备方法 |
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Address after: No.23 Xiyong Avenue, Shapingba District, Chongqing 401332 Patentee after: CETC Chip Technology (Group) Co.,Ltd. Country or region after: China Address before: No.23 Xiyong Avenue, Shapingba District, Chongqing 401332 Patentee before: CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION CHONGQING ACOUSTIC-OPTIC-ELECTRONIC CO.,LTD. Country or region before: China |
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