KR20070027754A - Mems 스위치, 방법 및 무선 통신 시스템 - Google Patents
Mems 스위치, 방법 및 무선 통신 시스템 Download PDFInfo
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- KR20070027754A KR20070027754A KR1020077002280A KR20077002280A KR20070027754A KR 20070027754 A KR20070027754 A KR 20070027754A KR 1020077002280 A KR1020077002280 A KR 1020077002280A KR 20077002280 A KR20077002280 A KR 20077002280A KR 20070027754 A KR20070027754 A KR 20070027754A
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- actuation
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- mems switch
- wireless communication
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- 238000000034 method Methods 0.000 title claims description 17
- 238000004891 communication Methods 0.000 title claims description 16
- 239000000758 substrate Substances 0.000 claims abstract description 11
- 239000003990 capacitor Substances 0.000 claims description 18
- 238000003780 insertion Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 14
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 7
- 229920005591 polysilicon Polymers 0.000 claims description 7
- 239000002019 doping agent Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H59/00—Electrostatic relays; Electro-adhesion relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H59/00—Electrostatic relays; Electro-adhesion relays
- H01H59/0009—Electrostatic relays; Electro-adhesion relays making use of micromechanics
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G5/00—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
- H01G5/16—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture using variation of distance between electrodes
- H01G5/18—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture using variation of distance between electrodes due to change in inclination, e.g. by flexing, by spiral wrapping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G5/00—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
- H01G5/40—Structural combinations of variable capacitors with other electric elements not covered by this subclass, the structure mainly consisting of a capacitor, e.g. RC combinations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/10—Auxiliary devices for switching or interrupting
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Micromachines (AREA)
- Electronic Switches (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
Description
Claims (18)
- 마이크로전자기계적(MEMS-microelectromechanical) 스위치에 있어서,기판과,상기 기판 상에 장착된 하부 전극과,상기 하부 전극 상에 장착된 상부 전극과,상기 기판 상에 장착된 액츄에이션 전극(actuation electrode)과,상기 액츄에이션 전극에 연결되어, 상기 액츄에이션 전극에서의 자가-액츄에이션(self-actuation)을 방지하는 저항을 포함하는MEMS 스위치.
- 제 1 항에 있어서,상기 액츄에이션 전극에 연결된 캐패시터를 더 포함하되,상기 저항의 임피던스는 상기 캐패시터의 임피던스보다 큰MEMS 스위치.
- 제 2 항에 있어서,상기 저항의 임피던스는 20㏀ 내지 70㏀ 사이의 범위를 갖는MEMS 스위치.
- 제 2 항에 있어서,상기 저항은 스위치가 차단되었을 때마다 상기 액츄에이션 전극을 통한 삽입 손실을 방지하는MEMS 스위치.
- 제 1 항에 있어서,상기 저항은 폴리실리콘 구동 전극을 통해 상기 액츄에이션 전극과 집적되는MEMS 스위치.
- 제 5 항에 있어서,상기 구동 전극은 보다 높은 도펀트의 폴리실리콘으로 구성되어 액츄에이션 전하 분포에 있어서 충분한 전도성을 획득하는MEMS 스위치.
- 무선 통신 시스템에 있어서,고전압 RF 신호를 수신하는 수신기와,상기 고전압 RF 신호를 전송하는 송신기와,상기 수신기 및 상기 송신기에 연결된 MEMS 스위치를 포함하되,상기 MEMS 스위치는액츄에이션 전극과,상기 스위치가 개방되었을 때마다 상기 액츄에이션 전극에서 상기 고전압 RF 신호로 인한 자가-액츄에이션을 방지하는, 상기 액츄에이션 전극에 연결된 저항을 구비하는무선 통신 시스템.
- 제 7 항에 있어서,상기 MEMS 스위치는 상기 액츄에이션 전극에 연결된 캐패시터를 더 포함하되,상기 저항의 임피던스는 상기 캐패시터의 임피던스보다 큰무선 통신 시스템.
- 제 7 항에 있어서,상기 저항은 스위치가 차단되었을 때마다 상기 액츄에이션 전극을 통한 삽입 손실을 방지하는무선 통신 시스템.
- 제 7 항에 있어서,상기 MEMS 스위치에 연결된 전압 소스 제어기를 더 포함하는무선 통신 시스템.
- MEMS 스위치의 기판 상에 액츄에이션 전극을 장착하는 단계와,상기 액츄에이션 전극을 폴리실리콘 구동 전극과 집적시킴으로써, 상기 액츄에이션 전극에 연결되어 상기 액츄에이션 전극에서의 자가-액츄에이션을 방지하는 저항을 형성하는 단계를 포함하는방법.
- 제 11 항에 있어서,상기 기판 상에 하부 전극을 장착하는 단계와,상기 하부 전극 상에 상부 전극을 장착하는 단계를 더 포함하는방법.
- 무선 통신 시스템에 있어서,고전압 RF 신호를 수신하는 수신기와,고전압 RF 신호를 송신하는 전송기와,상기 수신기 및 상기 전송기에 연결된 MEMS 스위치를 포함하되,상기 MEMS 스위치는,액츄에이션 전극과,상기 스위치가 개방되었을 때마다 상기 액츄에이션 전극에서 상기 고전압 RF 신호로 인한 자가-액츄에이션을 방지하는, 상기 액츄에이션 전극에 연결된 저항과,상기 MEMS 스위치에 연결된 전방향성의 안테나를 구비하는무선 통신 시스템.
- 제 13 항에 있어서,상기 MEMS 스위치는 상기 액츄에이션 전극에 연결된 캐패시터를 더 포함하는무선 통신 시스템.
- 제 14 항에 있어서,상기 저항의 임피던스는 상기 캐패시터의 임피던스보다 더 큰무선 통신 시스템.
- 제 14 항에 있어서,상기 저항의 임피던스는 20㏀ 내지 70㏀ 사이의 범위를 갖는무선 통신 시스템.
- 제 13 항에 있어서,상기 저항은 스위치가 차단되었을 때마다 상기 액츄에이션 전극을 통한 삽입 손실을 방지하는무선 통신 시스템.
- 제 13 항에 있어서,상기 MEMS 스위치에 연결된 전압 소스 제어기를 더 포함하는무선 통신 시스템.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/879,539 US7042308B2 (en) | 2004-06-29 | 2004-06-29 | Mechanism to prevent self-actuation in a microelectromechanical switch |
US10/879,539 | 2004-06-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070027754A true KR20070027754A (ko) | 2007-03-09 |
KR100877223B1 KR100877223B1 (ko) | 2009-01-07 |
Family
ID=35058883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020077002280A Expired - Fee Related KR100877223B1 (ko) | 2004-06-29 | 2005-06-23 | Mems 스위치, 방법 및 무선 통신 시스템 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7042308B2 (ko) |
EP (1) | EP1779401B1 (ko) |
JP (1) | JP4523969B2 (ko) |
KR (1) | KR100877223B1 (ko) |
CN (1) | CN1961397B (ko) |
WO (1) | WO2006012253A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101041896B1 (ko) * | 2007-12-13 | 2011-06-16 | 브로드콤 코포레이션 | 집적 회로 패키지 내에 제조되는 멤스 스위치들을 위한 방법 및 시스템 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006011239A1 (ja) * | 2004-07-29 | 2006-02-02 | Hitachi Media Electronics Co., Ltd. | 容量型mems素子とその製造方法、及び高周波装置 |
US7321275B2 (en) * | 2005-06-23 | 2008-01-22 | Intel Corporation | Ultra-low voltage capable zipper switch |
JP2007103312A (ja) | 2005-10-07 | 2007-04-19 | Fujitsu Media Device Kk | スイッチ |
US7602261B2 (en) * | 2005-12-22 | 2009-10-13 | Intel Corporation | Micro-electromechanical system (MEMS) switch |
US7554421B2 (en) * | 2006-05-16 | 2009-06-30 | Intel Corporation | Micro-electromechanical system (MEMS) trampoline switch/varactor |
US7605675B2 (en) * | 2006-06-20 | 2009-10-20 | Intel Corporation | Electromechanical switch with partially rigidified electrode |
US8067810B2 (en) * | 2008-03-28 | 2011-11-29 | Imec | Self-actuating RF MEMS device by RF power actuation |
US8054147B2 (en) | 2009-04-01 | 2011-11-08 | General Electric Company | High voltage switch and method of making |
US8054589B2 (en) * | 2009-12-16 | 2011-11-08 | General Electric Company | Switch structure and associated circuit |
US9911563B2 (en) * | 2013-07-31 | 2018-03-06 | Analog Devices Global | MEMS switch device and method of fabrication |
CN104409286B (zh) * | 2014-11-28 | 2016-07-06 | 京东方科技集团股份有限公司 | 一种微电子开关及有源矩阵有机发光显示装置 |
US10048348B2 (en) * | 2015-08-05 | 2018-08-14 | Teradyne, Inc. | MEM relay assembly for calibrating automated test equipment |
EP3815123A1 (en) * | 2018-06-28 | 2021-05-05 | Menlo Microsystems, Inc. | Switch self-actuation mitigation using a tracking signal |
Family Cites Families (14)
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AU1159783A (en) * | 1982-12-14 | 1984-07-05 | Schmanski, D.W. | Skirt member for crossing guard rail |
DE4008832C1 (en) | 1990-03-20 | 1991-07-18 | Rohde & Schwarz Gmbh & Co Kg, 8000 Muenchen, De | Microswitch operated by electrostatic force - has force electrode of resistance material between end contacts |
US5479042A (en) * | 1993-02-01 | 1995-12-26 | Brooktree Corporation | Micromachined relay and method of forming the relay |
DE19950373B4 (de) | 1998-10-23 | 2005-06-30 | Rohde & Schwarz Gmbh & Co. Kg | Mikromechanisches Relais mit federndem Kontakt und Verfahren zum Herstellen desselben |
GB9907317D0 (en) * | 1999-03-31 | 1999-05-26 | Univ St Andrews | Antenna system |
JP3137112B2 (ja) * | 1999-04-27 | 2001-02-19 | 日本電気株式会社 | マイクロマシンスイッチおよびその製造方法 |
US6310339B1 (en) * | 1999-10-28 | 2001-10-30 | Hrl Laboratories, Llc | Optically controlled MEM switches |
US6417807B1 (en) * | 2001-04-27 | 2002-07-09 | Hrl Laboratories, Llc | Optically controlled RF MEMS switch array for reconfigurable broadband reflective antennas |
EP1156504A3 (de) | 2000-05-16 | 2003-12-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mikromechanisches Relais mit verbessertem Schaltverhalten |
US6698082B2 (en) * | 2001-08-28 | 2004-03-02 | Texas Instruments Incorporated | Micro-electromechanical switch fabricated by simultaneous formation of a resistor and bottom electrode |
JP2004134370A (ja) * | 2002-07-26 | 2004-04-30 | Matsushita Electric Ind Co Ltd | スイッチ |
JP4278960B2 (ja) * | 2002-08-08 | 2009-06-17 | 富士通コンポーネント株式会社 | マイクロリレー及びマイクロリレーの製造方法 |
US6639494B1 (en) * | 2002-12-18 | 2003-10-28 | Northrop Grumman Corporation | Microelectromechanical RF switch |
US6777765B2 (en) * | 2002-12-19 | 2004-08-17 | Northrop Grumman Corporation | Capacitive type microelectromechanical RF switch |
-
2004
- 2004-06-29 US US10/879,539 patent/US7042308B2/en not_active Expired - Lifetime
-
2005
- 2005-06-23 EP EP05767833.6A patent/EP1779401B1/en not_active Expired - Lifetime
- 2005-06-23 KR KR1020077002280A patent/KR100877223B1/ko not_active Expired - Fee Related
- 2005-06-23 CN CN2005800173527A patent/CN1961397B/zh not_active Expired - Fee Related
- 2005-06-23 JP JP2007511731A patent/JP4523969B2/ja not_active Expired - Fee Related
- 2005-06-23 WO PCT/US2005/022357 patent/WO2006012253A1/en active Application Filing
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101041896B1 (ko) * | 2007-12-13 | 2011-06-16 | 브로드콤 코포레이션 | 집적 회로 패키지 내에 제조되는 멤스 스위치들을 위한 방법 및 시스템 |
US8384500B2 (en) | 2007-12-13 | 2013-02-26 | Broadcom Corporation | Method and system for MEMS switches fabricated in an integrated circuit package |
Also Published As
Publication number | Publication date |
---|---|
CN1961397A (zh) | 2007-05-09 |
US20050285697A1 (en) | 2005-12-29 |
JP2007535798A (ja) | 2007-12-06 |
KR100877223B1 (ko) | 2009-01-07 |
CN1961397B (zh) | 2011-03-02 |
EP1779401B1 (en) | 2014-05-14 |
EP1779401A1 (en) | 2007-05-02 |
WO2006012253A1 (en) | 2006-02-02 |
US7042308B2 (en) | 2006-05-09 |
JP4523969B2 (ja) | 2010-08-11 |
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