KR100612893B1 - 트라이 스테이트 rf 스위치 - Google Patents
트라이 스테이트 rf 스위치 Download PDFInfo
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- KR100612893B1 KR100612893B1 KR1020050029575A KR20050029575A KR100612893B1 KR 100612893 B1 KR100612893 B1 KR 100612893B1 KR 1020050029575 A KR1020050029575 A KR 1020050029575A KR 20050029575 A KR20050029575 A KR 20050029575A KR 100612893 B1 KR100612893 B1 KR 100612893B1
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 44
- 239000002184 metal Substances 0.000 claims abstract description 44
- 239000012528 membrane Substances 0.000 claims abstract description 43
- 239000000758 substrate Substances 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005459 micromachining Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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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
- H01H59/0009—Electrostatic relays; Electro-adhesion relays making use of micromechanics
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
-
- 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
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/10—Auxiliary devices for switching or interrupting
- H01P1/12—Auxiliary devices for switching or interrupting by mechanical chopper
- H01P1/127—Strip line switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/0036—Switches making use of microelectromechanical systems [MEMS]
- H01H2001/0042—Bistable switches, i.e. having two stable positions requiring only actuating energy for switching between them, e.g. with snap membrane or by permanent magnet
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Micromachines (AREA)
- Electronic Switches (AREA)
Abstract
Description
Claims (7)
- 제1기판 상에 형성된 제1 우물;상기 제1 우물에서 제1갭을 형성하는 제1입력신호선 및 제1 출력신호선;상기 제1 우물에서 상기 신호선들과 격리되어 위치하는 RF그라운드들;상기 제1 우물에 형성된 제1구동전극;제1기판 상에서, 상기 제1 우물에 대응되는 제2 우물 및 제3 우물을 구비하는 제2기판;상기 제2기판에서 상기 제2 우물 및 상기 제3 우물의 경계를 이루는 포스트바;상기 제2 우물 및 제3 우물에서 각각 제2갭 및 제3갭을 형성하는 제2입력신호선 및 제2 출력신호선과, 제3입력신호선 및 제3 출력신호선;상기 제2 우물 및 제3 우물에서 상기 신호선들과 격리된 RF그라운드들;상기 제2 우물 및 제3 우물에 각각 형성된 제2구동전극 및 제3구동전극; 및상기 제1기판상에서 상기 제1갭과, 상기 제2갭 및 제3갭 사이에 배치되며, 상기 제1갭, 제2갭 및 제3갭을 마주보는 위치에 각각 제1금속패드, 제2금속패드, 및 제3금속패드를 구비하는 멤브레인;을 구비하는 것을 특징으로 하는 트라이 스테이트 RF 스위치.
- 제 1 항에 있어서,상기 멤브레인은 소정의 압축 스트레스를 가지고 형성된 것을 특징으로 하는 RF 스위치.
- 제 1 항에 있어서,상기 멤브레인은 상기 제1금속패드가 상기 제1갭을 형성하는 신호선들과 접촉하는 제1 스테이트;상기 제2금속패드가 상기 제2갭을 형성하는 신호선들과 접촉하는 제2스테이트; 및상기 제3금속패드가 상기 제3갭을 형성하는 신호선들과 접촉하는 제3 스테이트; 중 어느 하나의 스테이트에 래칭되는 것을 특징으로 하는 RF 스위치.
- 제 1 항에 있어서,상기 멤브레인은 금속층과 상기 금속층의 상부 및 하부에 각각 형성된 유전층을 구비하는 것을 특징으로 하는 RF 스위치.
- 제 1 항에 있어서,상기 제1~제3입력신호선은 하나의 RF 신호선으로부터 분기된 것을 특징으로 하는 RF 스위치.
- 제 1 항에 있어서,상기 멤브레인의 제2금속패드 또는 상기 제3금속패드가 해당되는 갭과 접촉시 상기 포스트바에 의해서 웨이브 형상으로 되는 것을 특징으로 하는 RF 스위치.
- 제 1 항에 있어서,상기 포스트 바의 높이는 상기 제2 우물의 깊이와 실질적으로 같은 것을 특징으로 하는 RF 스위치.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050029575A KR100612893B1 (ko) | 2005-04-08 | 2005-04-08 | 트라이 스테이트 rf 스위치 |
CNA2006100513099A CN1845281A (zh) | 2005-04-08 | 2006-01-05 | 三态射频开关 |
US11/345,237 US7477884B2 (en) | 2005-04-08 | 2006-02-02 | Tri-state RF switch |
Applications Claiming Priority (1)
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---|---|---|---|
KR1020050029575A KR100612893B1 (ko) | 2005-04-08 | 2005-04-08 | 트라이 스테이트 rf 스위치 |
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KR100612893B1 true KR100612893B1 (ko) | 2006-08-14 |
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KR1020050029575A KR100612893B1 (ko) | 2005-04-08 | 2005-04-08 | 트라이 스테이트 rf 스위치 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7477884B2 (ko) |
KR (1) | KR100612893B1 (ko) |
CN (1) | CN1845281A (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108508392A (zh) * | 2018-06-21 | 2018-09-07 | 中北大学 | 一种t型四悬臂梁式电子校准件开关 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8451077B2 (en) * | 2008-04-22 | 2013-05-28 | International Business Machines Corporation | MEMS switches with reduced switching voltage and methods of manufacture |
US8339764B2 (en) * | 2008-05-12 | 2012-12-25 | Nxp B.V. | MEMs devices |
DK2230679T3 (da) * | 2009-03-20 | 2012-07-30 | Delfmems | MEMS-struktur med en fleksibel membran og forbedrede elektriske påvirkningsmidler |
WO2012164725A1 (ja) * | 2011-06-02 | 2012-12-06 | 富士通株式会社 | 電子デバイスとその製造方法、及び電子デバイスの駆動方法 |
EP2969912A4 (en) * | 2013-03-15 | 2016-11-09 | Wispry Inc | DEVICES AND METHODS FOR CONTROLLING AND SEPARATING ACTUATOR PLATES |
FR3051784B1 (fr) * | 2016-05-24 | 2018-05-25 | Airmems | Membrane mems a ligne de transmission integree |
CN107128873B (zh) * | 2017-05-09 | 2019-04-16 | 北方工业大学 | Mems微驱动器及其制作方法 |
CN108109882B (zh) * | 2018-01-24 | 2019-08-27 | 瑞声科技(南京)有限公司 | 一种射频微机械开关及其制作方法 |
CN112262101A (zh) | 2018-04-09 | 2021-01-22 | 应美盛股份有限公司 | 环境保护的传感设备 |
US11027967B2 (en) * | 2018-04-09 | 2021-06-08 | Invensense, Inc. | Deformable membrane and a compensating structure thereof |
US11225409B2 (en) | 2018-09-17 | 2022-01-18 | Invensense, Inc. | Sensor with integrated heater |
CN111261980B (zh) * | 2018-11-30 | 2021-06-01 | 华为技术有限公司 | 开关组件和天线设备 |
CN109950063A (zh) * | 2019-04-16 | 2019-06-28 | 苏州希美微纳系统有限公司 | 基于杠杆原理的双稳态rf mems接触式开关 |
DE102022200337A1 (de) | 2022-01-13 | 2023-07-13 | Robert Bosch Gesellschaft mit beschränkter Haftung | MEMS-Relais |
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US5867302A (en) * | 1997-08-07 | 1999-02-02 | Sandia Corporation | Bistable microelectromechanical actuator |
US6100477A (en) * | 1998-07-17 | 2000-08-08 | Texas Instruments Incorporated | Recessed etch RF micro-electro-mechanical switch |
US6615028B1 (en) * | 1998-12-29 | 2003-09-02 | Skyworks Solutions, Inc. | System and method for selecting amplifiers in a communications device |
DE69926064T2 (de) * | 1999-09-29 | 2006-04-13 | Sony International (Europe) Gmbh | Drei-Tor Struktur mit modulierten Injektionssignal |
US6608268B1 (en) * | 2002-02-05 | 2003-08-19 | Memtronics, A Division Of Cogent Solutions, Inc. | Proximity micro-electro-mechanical system |
US6791441B2 (en) * | 2002-05-07 | 2004-09-14 | Raytheon Company | Micro-electro-mechanical switch, and methods of making and using it |
US7265429B2 (en) * | 2002-08-07 | 2007-09-04 | Chang-Feng Wan | System and method of fabricating micro cavities |
KR100492004B1 (ko) * | 2002-11-01 | 2005-05-30 | 한국전자통신연구원 | 미세전자기계적 시스템 기술을 이용한 고주파 소자 |
US6949985B2 (en) * | 2003-07-30 | 2005-09-27 | Cindy Xing Qiu | Electrostatically actuated microwave MEMS switch |
JP4109182B2 (ja) * | 2003-11-10 | 2008-07-02 | 株式会社日立メディアエレクトロニクス | 高周波memsスイッチ |
-
2005
- 2005-04-08 KR KR1020050029575A patent/KR100612893B1/ko active IP Right Grant
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2006
- 2006-01-05 CN CNA2006100513099A patent/CN1845281A/zh active Pending
- 2006-02-02 US US11/345,237 patent/US7477884B2/en active Active
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108508392A (zh) * | 2018-06-21 | 2018-09-07 | 中北大学 | 一种t型四悬臂梁式电子校准件开关 |
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Publication number | Publication date |
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US20060229045A1 (en) | 2006-10-12 |
US7477884B2 (en) | 2009-01-13 |
CN1845281A (zh) | 2006-10-11 |
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