KR101632650B1 - 희생층의 에칭 속도를 증가시키는 방법 및 이 방법으로 제조된 디바이스 - Google Patents
희생층의 에칭 속도를 증가시키는 방법 및 이 방법으로 제조된 디바이스 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B3/00—Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes
- B81B3/0064—Constitution or structural means for improving or controlling the physical properties of a device
- B81B3/0067—Mechanical properties
- B81B3/0072—For controlling internal stress or strain in moving or flexible elements, e.g. stress compensating layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
- B81C1/00015—Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems
- B81C1/00023—Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems without movable or flexible elements
- B81C1/00039—Anchors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
- B81C1/00015—Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems
- B81C1/00261—Processes for packaging MEMS devices
- B81C1/00333—Aspects relating to packaging of MEMS devices, not covered by groups B81C1/00269 - B81C1/00325
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
- B81C1/00436—Shaping materials, i.e. techniques for structuring the substrate or the layers on the substrate
- B81C1/00444—Surface micromachining, i.e. structuring layers on the substrate
- B81C1/00468—Releasing structures
- B81C1/00476—Releasing structures removing a sacrificial layer
-
- 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
-
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B2203/00—Basic microelectromechanical structures
- B81B2203/01—Suspended structures, i.e. structures allowing a movement
- B81B2203/0118—Cantilevers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B2203/00—Basic microelectromechanical structures
- B81B2203/03—Static structures
- B81B2203/0307—Anchors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B2207/00—Microstructural systems or auxiliary parts thereof
- B81B2207/09—Packages
- B81B2207/091—Arrangements for connecting external electrical signals to mechanical structures inside the package
- B81B2207/094—Feed-through, via
- B81B2207/096—Feed-through, via through the substrate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C2201/00—Manufacture or treatment of microstructural devices or systems
- B81C2201/01—Manufacture or treatment of microstructural devices or systems in or on a substrate
- B81C2201/0101—Shaping material; Structuring the bulk substrate or layers on the substrate; Film patterning
- B81C2201/0128—Processes for removing material
- B81C2201/013—Etching
- B81C2201/0132—Dry etching, i.e. plasma etching, barrel etching, reactive ion etching [RIE], sputter etching or ion milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C2201/00—Manufacture or treatment of microstructural devices or systems
- B81C2201/01—Manufacture or treatment of microstructural devices or systems in or on a substrate
- B81C2201/0101—Shaping material; Structuring the bulk substrate or layers on the substrate; Film patterning
- B81C2201/0128—Processes for removing material
- B81C2201/013—Etching
- B81C2201/0135—Controlling etch progression
- B81C2201/014—Controlling etch progression by depositing an etch stop layer, e.g. silicon nitride, silicon oxide, metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C2203/00—Forming microstructural systems
- B81C2203/01—Packaging MEMS
- B81C2203/0145—Hermetically sealing an opening in the lid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C2203/00—Forming microstructural systems
- B81C2203/07—Integrating an electronic processing unit with a micromechanical structure
- B81C2203/0707—Monolithic integration, i.e. the electronic processing unit is formed on or in the same substrate as the micromechanical structure
- B81C2203/0714—Forming the micromechanical structure with a CMOS process
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- Condensed Matter Physics & Semiconductors (AREA)
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Abstract
Description
도 1a 내지 도 1i는 여러 처리 단계에서 MEMS 디바이스의 개략 단면을 도시한다.
이해를 용이하게 하기 위해 동일한 참조 부호는 가능한 한 도면에 공통인 동일한 요소를 지시하는데 사용된다. 일 실시예에 개시된 요소는 특정 언급 없이 다른 실시예에서도 유리하게 사용될 수 있는 것으로 이해된다.
Claims (7)
- 기판 위에 제1 희생층을 증착하는 단계;
비아를 형성하고 상기 기판의 적어도 일부를 노출시키도록 상기 제1 희생층으로부터 물질을 제거하는 단계;
상기 제1 희생층 위에 및 상기 비아 내에 캔틸레버 구조체를 형성하는 단계;
상기 캔틸레버 구조체 위에 제2 희생층을 증착하는 단계;
공동 경계의 적어도 일부를 형성하도록, 상기 제2 희생층, 제1 희생층, 및 상기 기판 위에 캡슐층을 증착하는 단계;
상기 제2 희생층을 노출시키고 상기 비아와 축방향으로 정렬된 개구를 형성하도록, 상기 캡슐층의 적어도 일부를 제거하는 단계;
상기 개구를 통해 에칭 가스를 상기 제2 희생층으로 도입하는 단계; 및
공동 내에서 상기 캔틸레버 구조체를 자유롭게 하도록, 상기 공동에 대해 상기 제2 희생층과 상기 제1 희생층을 에칭하는 단계;를 포함하는 것을 특징으로 하는 방법. - 기판 위에 제1 희생층을 증착하는 단계;
비아를 형성하고 상기 기판의 적어도 일부를 노출시키도록 상기 제1 희생층으로부터 물질을 제거하는 단계;
상기 제1 희생층 위에 및 상기 비아 내에 캔틸레버 구조체를 형성하는 단계;
상기 캔틸레버 구조체 위에 제2 희생층을 증착하는 단계;
공동 경계의 적어도 일부를 형성하도록, 상기 제2 희생층, 제1 희생층, 및 상기 기판 위에 캡슐층을 증착하는 단계;
상기 제2 희생층을 노출시키고 상기 비아와 축방향으로 정렬된 개구를 형성하도록, 상기 캡슐층의 적어도 일부를 제거하는 단계;
상기 개구를 통해 에칭 가스를 상기 제2 희생층으로 도입하는 단계; 및
공동 내에서 상기 캔틸레버 구조체를 자유롭게 하도록, 상기 공동에 대해 상기 제2 희생층과 상기 제1 희생층을 에칭하는 단계;를 포함하고,
상기 캔틸레버 구조체를 형성하는 단계는,
제1 재결합 계수를 가지는 제1 물질을 포함하는 제1 층을 증착하는 단계; 및
상기 제1 층 위에, 상기 제1 재결합 계수보다 더 작은 제2 재결합 계수를 가지는 물질을 포함하는 제2 층을 증착하는 단계;를 포함하는 것을 특징으로 하는 방법. - 제2항에 있어서,
상기 제1 층을 증착하는 단계는, 티타늄 질화물 및 티타늄 알루미늄 질화물로 구성된 그룹으로부터 선택된 층을 증착하는 단계를 포함하는 것을 특징으로 하는 방법. - 제3항에 있어서,
상기 제2 층을 증착하는 단계는, 실리콘 질화물 또는 실리콘 산화물 층을 증착하는 단계를 포함하는 것을 특징으로 하는 방법. - 제1항에 있어서,
상기 개구를 통해 물질을 도입하는 것에 의해 상기 캔틸레버 구조체 위에 물질을 증착하는 단계를 더 포함하는 것을 특징으로 하는 방법. - 제1항에 있어서,
상기 제2 희생층을 에칭하는 단계와 상기 제1 희생층을 에칭하는 단계 후에 상기 캡슐층 위에 밀봉 층을 증착하는 단계를 더 포함하며, 상기 밀봉 층은 상기 개구를 통해 상기 캔틸레버 구조체 위에 연장하는 것을 특징으로 하는 방법. - 기판 위에 제1 희생층을 증착하는 단계;
비아를 형성하고 상기 기판의 적어도 일부를 노출시키도록 상기 제1 희생층으로부터 물질을 제거하는 단계;
상기 제1 희생층 위에 및 상기 비아 내에 캔틸레버 구조체를 형성하는 단계;
상기 캔틸레버 구조체 위에 제2 희생층을 증착하는 단계;
공동 경계의 적어도 일부를 형성하도록, 상기 제2 희생층, 제1 희생층, 및 상기 기판 위에 캡슐층을 증착하는 단계;
상기 제2 희생층을 노출시키고 상기 비아와 축방향으로 정렬된 개구를 형성하도록, 상기 캡슐층의 적어도 일부를 제거하는 단계;
상기 개구를 통해 에칭 가스를 상기 제2 희생층으로 도입하는 단계; 및
공동 내에서 상기 캔틸레버 구조체를 자유롭게 하도록, 상기 공동에 대해 상기 제2 희생층과 상기 제1 희생층을 에칭하는 단계;를 포함하고,
상기 캔틸레버 구조체를 형성하는 단계는,
상기 제1 희생층 위에 제1 구조적 층을 증착하는 단계;
상기 제1 구조적 층 위에 제1 절연층을 증착하는 단계;
상기 캔틸레버 구조체의 형상과 상기 공동의 외부 경계를 적어도 부분적으로 한정하고 상기 제1 희생층의 적어도 일부를 노출시키도록, 상기 제1 절연층과 상기 제1 구조적 층을 에칭하는 단계;
상기 제1 절연층과 노출된 상기 제1 희생층 위에 제3 희생층을 증착하는 단계;
상기 제1 절연층을 노출하도록, 상기 제2 희생층을 통해 비아를 에칭하는 단계;
상기 비아 내에 및 상기 제1 절연층 위에 포스트를 형성하는 단계;
상기 포스트와 상기 제3 희생층 위에 제2 구조적 층을 증착하는 단계;
상기 제2 구조적 층 위에 제2 절연층을 증착하는 단계;
상기 캔틸레버 구조체의 형상과 상기 공동의 외부 경계를 더 한정하도록, 상기 제2 절연층과 상기 제2 구조적 층을 에칭하는 단계; 및
상기 제2 절연층 위에 상기 제2 희생층을 증착하는 단계;를 포함하는 것을 특징으로 하는 방법.
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| US201161432628P | 2011-01-14 | 2011-01-14 | |
| US61/432,628 | 2011-01-14 | ||
| PCT/US2012/021218 WO2012097234A2 (en) | 2011-01-14 | 2012-01-13 | Method for mems device fabrication and device formed |
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| KR1020137021344A Active KR101609229B1 (ko) | 2011-01-14 | 2012-01-13 | 희생층의 에칭 속도를 증가시키는 방법 및 이 방법으로 제조된 디바이스 |
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| KR101632650B1 (ko) | 2011-01-14 | 2016-06-22 | 카벤디시 키네틱스, 인크. | 희생층의 에칭 속도를 증가시키는 방법 및 이 방법으로 제조된 디바이스 |
| US9630836B2 (en) * | 2015-09-30 | 2017-04-25 | Mems Drive, Inc. | Simplified MEMS device fabrication process |
| US10000373B2 (en) * | 2016-01-27 | 2018-06-19 | Taiwan Semiconductor Manufacturing Co., Ltd. | Nano-electromechanical system (NEMS) device structure and method for forming the same |
| GB2599072A (en) * | 2020-08-12 | 2022-03-30 | Indira Kunhiraman Manoj | A toilet covering |
| KR102671793B1 (ko) | 2023-10-31 | 2024-06-04 | 부성스틸(주) | 위생 및 편의 구조의 스마트 변기장치 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006062016A (ja) | 2004-08-26 | 2006-03-09 | Nippon Telegr & Teleph Corp <Ntt> | 微細構造の製造方法 |
| WO2010072431A1 (en) * | 2008-12-24 | 2010-07-01 | International Business Machines Corporation | Hybrid mems rf switch and method of fabricating same |
| JP2010162629A (ja) | 2009-01-14 | 2010-07-29 | Seiko Epson Corp | Memsデバイスの製造方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6046659A (en) * | 1998-05-15 | 2000-04-04 | Hughes Electronics Corporation | Design and fabrication of broadband surface-micromachined micro-electro-mechanical switches for microwave and millimeter-wave applications |
| US6384353B1 (en) * | 2000-02-01 | 2002-05-07 | Motorola, Inc. | Micro-electromechanical system device |
| US6939809B2 (en) * | 2002-12-30 | 2005-09-06 | Robert Bosch Gmbh | Method for release of surface micromachined structures in an epitaxial reactor |
| JP4489651B2 (ja) * | 2005-07-22 | 2010-06-23 | 株式会社日立製作所 | 半導体装置およびその製造方法 |
| JP2008296336A (ja) | 2007-05-31 | 2008-12-11 | Toshiba Corp | 中空封止構造体及び中空封止構造体の製造方法 |
| CN100573768C (zh) * | 2007-11-08 | 2009-12-23 | 重庆大学 | 双稳态微机电继电器 |
| US8592925B2 (en) * | 2008-01-11 | 2013-11-26 | Seiko Epson Corporation | Functional device with functional structure of a microelectromechanical system disposed in a cavity of a substrate, and manufacturing method thereof |
| FR2932791B1 (fr) * | 2008-06-23 | 2010-06-18 | Commissariat Energie Atomique | Procede de realisation d'une structure comportant un element mobile au moyen d'une couche sacrificielle heterogene. |
| US8901950B2 (en) * | 2009-02-19 | 2014-12-02 | Advantest America, Inc | Probe head for a microelectronic contactor assembly, and methods of making same |
| KR101298114B1 (ko) | 2009-06-02 | 2013-08-20 | 한국과학기술원 | Mems 또는 mems 소자의 패키지 및 패키징 방법 |
| CN102001616A (zh) * | 2009-08-31 | 2011-04-06 | 上海丽恒光微电子科技有限公司 | 装配和封装微型机电系统装置的方法 |
| US8742872B2 (en) * | 2010-03-18 | 2014-06-03 | Panasonic Corporation | MEMS element, and manufacturing method of MEMS element |
| KR101632650B1 (ko) | 2011-01-14 | 2016-06-22 | 카벤디시 키네틱스, 인크. | 희생층의 에칭 속도를 증가시키는 방법 및 이 방법으로 제조된 디바이스 |
| CN102616727B (zh) * | 2011-01-31 | 2015-04-29 | 中芯国际集成电路制造(上海)有限公司 | Mems器件及其制作方法 |
-
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006062016A (ja) | 2004-08-26 | 2006-03-09 | Nippon Telegr & Teleph Corp <Ntt> | 微細構造の製造方法 |
| WO2010072431A1 (en) * | 2008-12-24 | 2010-07-01 | International Business Machines Corporation | Hybrid mems rf switch and method of fabricating same |
| JP2010162629A (ja) | 2009-01-14 | 2010-07-29 | Seiko Epson Corp | Memsデバイスの製造方法 |
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| US8921953B2 (en) | 2014-12-30 |
| WO2012097234A2 (en) | 2012-07-19 |
| US20120181638A1 (en) | 2012-07-19 |
| KR101609229B1 (ko) | 2016-04-20 |
| KR20140002731A (ko) | 2014-01-08 |
| TW201235290A (en) | 2012-09-01 |
| CN103443020B (zh) | 2015-11-25 |
| US8513043B2 (en) | 2013-08-20 |
| EP2663520A2 (en) | 2013-11-20 |
| TWI574911B (zh) | 2017-03-21 |
| WO2012097234A3 (en) | 2012-09-13 |
| US20130299926A1 (en) | 2013-11-14 |
| CN103443020A (zh) | 2013-12-11 |
| EP2663520B1 (en) | 2019-01-09 |
| KR20150063599A (ko) | 2015-06-09 |
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