WO2023032304A1 - Memsデバイス - Google Patents
Memsデバイス Download PDFInfo
- Publication number
- WO2023032304A1 WO2023032304A1 PCT/JP2022/012194 JP2022012194W WO2023032304A1 WO 2023032304 A1 WO2023032304 A1 WO 2023032304A1 JP 2022012194 W JP2022012194 W JP 2022012194W WO 2023032304 A1 WO2023032304 A1 WO 2023032304A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- movable electrode
- capacitance
- substrate
- electrode
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- Prior art date
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- 239000000758 substrate Substances 0.000 claims abstract description 72
- 239000000463 material Substances 0.000 claims description 19
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 7
- 230000014759 maintenance of location Effects 0.000 abstract 3
- 229910052751 metal Inorganic materials 0.000 description 19
- 239000002184 metal Substances 0.000 description 19
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 14
- 239000010931 gold Substances 0.000 description 14
- 229910052710 silicon Inorganic materials 0.000 description 14
- 239000010703 silicon Substances 0.000 description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 13
- 238000006073 displacement reaction Methods 0.000 description 13
- 229910052814 silicon oxide Inorganic materials 0.000 description 13
- 230000001133 acceleration Effects 0.000 description 12
- 229910052782 aluminium Inorganic materials 0.000 description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 12
- 239000003990 capacitor Substances 0.000 description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 7
- 229910052737 gold Inorganic materials 0.000 description 7
- 230000005496 eutectics Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 229910052732 germanium Inorganic materials 0.000 description 4
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000006023 eutectic alloy Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910000927 Ge alloy Inorganic materials 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/125—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by capacitive pick-up
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/84—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by variation of applied mechanical force, e.g. of pressure
Abstract
Description
接続部70A及び接続配線75Bは、それぞれ、第1金属層と第2金属層とを含んでいる。図4に示す例では、第1金属層と第2金属層とは、それぞれ独立した層として記載しているが、実際には、これらの界面は共晶接合している。すなわち、接続部70A,70Bは、第1金属層と第2金属層との共晶合金で構成されている。
Claims (6)
- 第1可動電極及び第2可動電極を有し、前記第1可動電極と前記第2可動電極との間の距離に応じて静電容量が変化するように構成された静電容量部と、前記静電容量部を保持するように構成された保持部と、前記静電容量部と前記保持部とを接続する弾性部であって、前記保持部に対して前記第1可動電極及び前記第2可動電極のそれぞれを変位可能に支持するように構成された弾性部と、を含む第1基板と、
前記第1基板に接合された第2基板と、を備える、
MEMSデバイス。 - 前記静電容量部は、前記第1可動電極と前記第2可動電極との間に空間を形成するキャビティをさらに有する、
請求項1に記載のMEMSデバイス。 - 前記静電容量部は、前記第1可動電極及び前記第2可動電極の少なくとも一方に、前記空間に突起するバンプをさらに有する、
請求項2に記載のMEMSデバイス。 - 前記バンプの材料は、不純物がドーピングされた非晶質シリコンである、
請求項3に記載のMEMSデバイス。 - 前記第1基板は、平面視において、前記保持部の周囲の少なくとも一部に形成された溝部をさらに含む、
請求項1から4のいずれか一項に記載のMEMSデバイス。 - 前記第1可動電極及び前記第2可動電極は、同一材料である、
請求項1から5のいずれか一項に記載のMEMSデバイス。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202280059137.7A CN117897621A (zh) | 2021-08-30 | 2022-03-17 | 微机电系统器件 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021-140359 | 2021-08-30 | ||
JP2021140359 | 2021-08-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023032304A1 true WO2023032304A1 (ja) | 2023-03-09 |
Family
ID=85411672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2022/012194 WO2023032304A1 (ja) | 2021-08-30 | 2022-03-17 | Memsデバイス |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN117897621A (ja) |
WO (1) | WO2023032304A1 (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06138143A (ja) * | 1992-10-26 | 1994-05-20 | Omron Corp | 半導体加速度センサ及びその自己診断方法 |
JP2006189433A (ja) * | 2004-12-29 | 2006-07-20 | Commiss Energ Atom | 微小機械加工された櫛に基づく容量型の加速度計 |
JP2008070284A (ja) * | 2006-09-15 | 2008-03-27 | Ricoh Co Ltd | 半導体センサ及びその製造方法 |
US20130340525A1 (en) * | 2011-03-15 | 2013-12-26 | Memsen Electronics Inc | Integrated inertial sensor and pressure sensor, and forming method therefor |
JP2017090069A (ja) * | 2015-11-03 | 2017-05-25 | 株式会社デンソー | 力学量センサ |
WO2017183082A1 (ja) | 2016-04-18 | 2017-10-26 | 株式会社日立製作所 | 加速度センサ |
-
2022
- 2022-03-17 CN CN202280059137.7A patent/CN117897621A/zh active Pending
- 2022-03-17 WO PCT/JP2022/012194 patent/WO2023032304A1/ja active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06138143A (ja) * | 1992-10-26 | 1994-05-20 | Omron Corp | 半導体加速度センサ及びその自己診断方法 |
JP2006189433A (ja) * | 2004-12-29 | 2006-07-20 | Commiss Energ Atom | 微小機械加工された櫛に基づく容量型の加速度計 |
JP2008070284A (ja) * | 2006-09-15 | 2008-03-27 | Ricoh Co Ltd | 半導体センサ及びその製造方法 |
US20130340525A1 (en) * | 2011-03-15 | 2013-12-26 | Memsen Electronics Inc | Integrated inertial sensor and pressure sensor, and forming method therefor |
JP2017090069A (ja) * | 2015-11-03 | 2017-05-25 | 株式会社デンソー | 力学量センサ |
WO2017183082A1 (ja) | 2016-04-18 | 2017-10-26 | 株式会社日立製作所 | 加速度センサ |
Also Published As
Publication number | Publication date |
---|---|
CN117897621A (zh) | 2024-04-16 |
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