KR20010056825A - 타축감도를 최소화한 압저항형 센서 구조 및 그 센서의제조방법 - Google Patents
타축감도를 최소화한 압저항형 센서 구조 및 그 센서의제조방법 Download PDFInfo
- Publication number
- KR20010056825A KR20010056825A KR1019990058450A KR19990058450A KR20010056825A KR 20010056825 A KR20010056825 A KR 20010056825A KR 1019990058450 A KR1019990058450 A KR 1019990058450A KR 19990058450 A KR19990058450 A KR 19990058450A KR 20010056825 A KR20010056825 A KR 20010056825A
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- Prior art keywords
- piezoresistive
- sensor
- acceleration
- sensitivity
- axis
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000035945 sensitivity Effects 0.000 title abstract description 38
- 230000001133 acceleration Effects 0.000 claims abstract description 55
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 239000004065 semiconductor Substances 0.000 claims abstract description 8
- 238000005530 etching Methods 0.000 claims description 10
- 238000001020 plasma etching Methods 0.000 claims description 5
- 238000005468 ion implantation Methods 0.000 claims description 3
- 238000004088 simulation Methods 0.000 description 11
- 238000009826 distribution Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000005459 micromachining Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 241001416181 Axis axis Species 0.000 description 1
- 235000002597 Solanum melongena Nutrition 0.000 description 1
- 244000061458 Solanum melongena Species 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/18—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D48/00—Individual devices not covered by groups H10D1/00 - H10D44/00
- H10D48/50—Devices controlled by mechanical forces, e.g. pressure
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- High Energy & Nuclear Physics (AREA)
- Power Engineering (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Pressure Sensors (AREA)
- Micromachines (AREA)
Abstract
Description
Claims (4)
- 압저항형 센서 구조에 있어서,반도체 기판에 형성된 십자형 4빔중에서 서로 동일한 방향에 있는 2빔위에 각기 2개의 압저항 쌍을 배치하여 상기 센서를 이루는 휘트스톤 브릿지 회로를 구성함에 의해, 필요로 하는 축 이외의 축으로부터의 가속도에 의한 압저항의 저항 변화가 상기 휘트스톤 브릿지 회로에서 소거되도록 함을 특징으로 하는 압저항형 센서 구조.
- 제1항에 있어서, 상기 압저항 쌍은 2개의 저항이 직렬로 연결된 형태의 등가회로를 가지는 2개의 압저항 소자임을 특징으로 하는 압저항형 센서 구조.
- 제1항에 있어서, 상기 압저항형 센서는 y축 방향의 가속도 검출을 위한 가속도 센서임을 특징으로 하는 압저항형 센서 구조.
- 압저항형 센서의 제조방법에 있어서:브이 그루브법을 이용하여 상기 센서의 빔을 이룰 두께만큼 기판의 일부상부를 미리 식각한 다음 상기 기판을 하부에서 식각하는 단계;반응성 이온에칭법으로 상기 기판상부에서 상기 빔이 형성될 부분을 제외하고 관통식각을 하여 십자형 4빔을 형성하는 단계;상기 십자형 4빔중에서 서로 동일한 방향에 있는 2빔상부에 각기 2개의 압저항 쌍을 이온주입법으로 형성하는 단계; 및상기 형성된 4개의 압저항 쌍을 상호연결하여 휘트스톤 브릿지를 형성하는 단계를 가짐을 특징으로 하는 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1999-0058450A KR100413093B1 (ko) | 1999-12-17 | 1999-12-17 | 타축감도를 최소화한 압저항형 센서 구조 및 그 센서의제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1999-0058450A KR100413093B1 (ko) | 1999-12-17 | 1999-12-17 | 타축감도를 최소화한 압저항형 센서 구조 및 그 센서의제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010056825A true KR20010056825A (ko) | 2001-07-04 |
KR100413093B1 KR100413093B1 (ko) | 2003-12-31 |
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KR10-1999-0058450A KR100413093B1 (ko) | 1999-12-17 | 1999-12-17 | 타축감도를 최소화한 압저항형 센서 구조 및 그 센서의제조방법 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102322984A (zh) * | 2011-05-30 | 2012-01-18 | 吉林大学 | 多种类型微载荷检测装置 |
CN109231157A (zh) * | 2018-11-07 | 2019-01-18 | 西安交通大学 | 四梁圆膜与同轴圆柱结合的压力和位移集成式mems传感器 |
CN113371676A (zh) * | 2020-03-10 | 2021-09-10 | 上海新微技术研发中心有限公司 | 微细结构及其加工方法 |
CN114414110A (zh) * | 2022-01-27 | 2022-04-29 | 无锡胜脉电子有限公司 | 一种微压mems压力传感器芯片及制备方法 |
CN116678544A (zh) * | 2023-08-04 | 2023-09-01 | 龙微科技无锡有限公司 | 一种硅应变计及制造方法 |
CN118050540A (zh) * | 2024-01-31 | 2024-05-17 | 南京高华科技股份有限公司 | 一种mems压阻式加速度计及其制备方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101515828B1 (ko) | 2008-12-19 | 2015-05-06 | 재단법인 포항산업과학연구원 | 전단응력을 이용한 압저항형 압력센서 및 그 제조방법 |
KR101542971B1 (ko) | 2013-12-27 | 2015-08-07 | 현대자동차 주식회사 | 압저항 센서 |
KR101718654B1 (ko) | 2016-03-18 | 2017-03-22 | 주식회사 풍산 | L자형 비틀림 구조를 가지는 발사체용 가속도센서 |
-
1999
- 1999-12-17 KR KR10-1999-0058450A patent/KR100413093B1/ko not_active IP Right Cessation
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102322984A (zh) * | 2011-05-30 | 2012-01-18 | 吉林大学 | 多种类型微载荷检测装置 |
CN109231157A (zh) * | 2018-11-07 | 2019-01-18 | 西安交通大学 | 四梁圆膜与同轴圆柱结合的压力和位移集成式mems传感器 |
CN109231157B (zh) * | 2018-11-07 | 2024-04-09 | 西安交通大学 | 四梁圆膜与同轴圆柱结合的压力和位移集成式mems传感器 |
CN113371676A (zh) * | 2020-03-10 | 2021-09-10 | 上海新微技术研发中心有限公司 | 微细结构及其加工方法 |
CN114414110A (zh) * | 2022-01-27 | 2022-04-29 | 无锡胜脉电子有限公司 | 一种微压mems压力传感器芯片及制备方法 |
CN116678544A (zh) * | 2023-08-04 | 2023-09-01 | 龙微科技无锡有限公司 | 一种硅应变计及制造方法 |
CN116678544B (zh) * | 2023-08-04 | 2023-10-24 | 龙微科技无锡有限公司 | 一种硅应变计及制造方法 |
CN118050540A (zh) * | 2024-01-31 | 2024-05-17 | 南京高华科技股份有限公司 | 一种mems压阻式加速度计及其制备方法 |
Also Published As
Publication number | Publication date |
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KR100413093B1 (ko) | 2003-12-31 |
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