JP2004319485A - 液体金属のスイッチを作動させる方法 - Google Patents
液体金属のスイッチを作動させる方法 Download PDFInfo
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- JP2004319485A JP2004319485A JP2004115591A JP2004115591A JP2004319485A JP 2004319485 A JP2004319485 A JP 2004319485A JP 2004115591 A JP2004115591 A JP 2004115591A JP 2004115591 A JP2004115591 A JP 2004115591A JP 2004319485 A JP2004319485 A JP 2004319485A
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- liquid metal
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- 229910001338 liquidmetal Inorganic materials 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 230000003287 optical effect Effects 0.000 claims description 17
- 230000008859 change Effects 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 5
- 230000005672 electromagnetic field Effects 0.000 claims 2
- 230000003213 activating effect Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000010891 electric arc Methods 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 description 6
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 6
- 229910052753 mercury Inorganic materials 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/004—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H29/00—Switches having at least one liquid contact
- H01H29/28—Switches having at least one liquid contact with level of surface of contact liquid displaced by fluid pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/005—Details of electromagnetic relays using micromechanics
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H55/00—Magnetostrictive relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H57/00—Electrostrictive relays; Piezoelectric relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H29/00—Switches having at least one liquid contact
- H01H2029/008—Switches having at least one liquid contact using micromechanics, e.g. micromechanical liquid contact switches or [LIMMS]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H57/00—Electrostrictive relays; Piezoelectric relays
- H01H2057/006—Micromechanical piezoelectric relay
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Micromachines (AREA)
- Contacts (AREA)
Abstract
【解決手段】 本発明は、液体金属スイッチをすぐにスイッチングできる状態で維持する方法と装置に関する。液体金属スイッチは、スイッチ本体のキャビティ内に含まれる液体金属の塊を有する。スイッチング信号に応答してアクチュエータに電圧を印加し、キャビティ内の液体金属塊を移動させることによって、キャビティを介した信号経路を作成したり切断したりすることができる。スイッチングできる状態を維持するために、信号生成装置が振動信号をアクチュエータに供給する。この結果液体金属の塊が振動し、この結果、液体金属塊は低減された電力でも移動できるようになる。
【選択図】図2
Description
させる。
20 上のキャップ層
22 下のキャップ層
24 スイッチング層
102,103 液体金属の塊
104 キャビティ
106,108,110 接点
112,114,116 導電体
118,120 液体溜め
122,124 アクチュエータ
202,204,206,208 光導波管
302,304 電気コイル
306,308 導電体
310 磁気スラグ
418 キャビティ
420,422 圧電アクチュエータ
423,425 チャンバ
402 カバー
404 アクチュエータ層
406 ダイアフラム
408 キャビティ層
410 基部
412,414,416 接点
418 第2のキャビティ
420,422 圧電アクチュエータ
502 信号生成装置
504 スイッチ信号生成装置
506 振動信号生成装置
508 スイッチング信号
510 振動信号
512 信号加算器
514 組み合わされた信号
Claims (10)
- 液体金属のスイッチを作動させる方法であって、
液体金属の塊に作用するアクチュエータに供給される振動信号に応答して、前記スイッチ内で前記液体金属の塊を振動させることを含み、それにより前記スイッチがすぐに作動できる状態に維持され、
前記アクチュエータに供給されたスイッチング信号に応答して、前記液体金属の塊を移動させることを含み、それにより前記スイッチを介した信号経路を作成または切断する前記方法。 - 前記液体金属の塊を移動させることは、前記液体金属の塊を含むキャビティ内で圧力を変化させ、それにより前記液体金属の塊全体で圧力差を生じさせる、請求項1に記載の方法。
- 前記圧力の変化は、ヒータを使用して前記キャビティ内の液体を加熱することによって生じる、請求項2に記載の方法。
- 前記圧力の変化は、前記キャビティの塊を変えることによって生じる請求項2に記載の方法。
- 前記キャビティは少なくとも部分的にダイアフラムの境界を有し、前記キャビティの塊は、圧電素子を使用して前記ダイアフラムを変形することによって変化させる請求項4に記載の方法。
- 前記液体金属の塊を移動させることは、電磁アクチュエータを使用して前記液体金属の塊を含むキャビティ内に電磁場を生成することを含む、請求項1に記載の方法。
- 前記信号経路は電気経路と光路のうち1つであり、前記電気経路は前記液体金属の塊を前記電気経路内に移動することによって完成し、前記光路は前記液体金属の塊を前期光路内に移動することによって切断される請求項1に記載の方法。
- 液体金属のスイッチであって、
中にキャビティを有するスイッチ本体と、
前記キャビティ内に含まれる液体金属の塊と、
スイッチング信号に応答して前記キャビティ内の液体金属の塊を移動させることにより、前記キャビティを介した信号経路を作成または切断するように動作可能なアクチュエータと、
前記アクチュエータに電気的に結合し、前記アクチュエータに振動信号を供給することにより、前記スイッチをすぐにスイッチできる状態に維持するように動作可能な信号生成装置とを備える液体金属のスイッチ。 - 前記アクチュエータは、前記液体金属の塊全体で圧力差を生成するように、前記キャビティ内の圧力を変化させるように動作可能である請求項8に記載の液体金属のスイッチ。
- 前記アクチュエータは、前記キャビティ内に電磁場を生成するように動作可能な電気コイルである請求項8に記載の液体金属のスイッチ。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/413,002 US6946776B2 (en) | 2003-04-14 | 2003-04-14 | Method and apparatus for maintaining a liquid metal switch in a ready-to-switch condition |
Publications (1)
Publication Number | Publication Date |
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JP2004319485A true JP2004319485A (ja) | 2004-11-11 |
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Application Number | Title | Priority Date | Filing Date |
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JP2004115591A Pending JP2004319485A (ja) | 2003-04-14 | 2004-04-09 | 液体金属のスイッチを作動させる方法 |
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US (1) | US6946776B2 (ja) |
JP (1) | JP2004319485A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011126255A2 (ko) * | 2010-04-06 | 2011-10-13 | 한국과학기술원 | 관성 스위치 및 그 제조방법, 관성 스위치를 이용한 자동차 에어백 센서 및 포탄의 신관 |
KR101075467B1 (ko) | 2010-03-02 | 2011-10-20 | 한국과학기술원 | 액체금속을 이용한 다채널 관성스위치, 그 제조방법, 이를 이용한 자동차 에어백 센서 및 포탄의 신관 |
JP2013516636A (ja) * | 2009-12-31 | 2013-05-13 | ビーエーエスエフ ソシエタス・ヨーロピア | 電子流体インジケータ及び通知方法 |
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CN100576404C (zh) * | 2005-08-31 | 2009-12-30 | 松下电工株式会社 | 使用导电流体的继电装置 |
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JP4420581B2 (ja) * | 2001-05-09 | 2010-02-24 | 三菱電機株式会社 | 光スイッチおよび光導波路装置 |
US20030035611A1 (en) * | 2001-08-15 | 2003-02-20 | Youchun Shi | Piezoelectric-optic switch and method of fabrication |
US6512322B1 (en) | 2001-10-31 | 2003-01-28 | Agilent Technologies, Inc. | Longitudinal piezoelectric latching relay |
US6515404B1 (en) | 2002-02-14 | 2003-02-04 | Agilent Technologies, Inc. | Bending piezoelectrically actuated liquid metal switch |
US6633213B1 (en) * | 2002-04-24 | 2003-10-14 | Agilent Technologies, Inc. | Double sided liquid metal micro switch |
US6559420B1 (en) * | 2002-07-10 | 2003-05-06 | Agilent Technologies, Inc. | Micro-switch heater with varying gas sub-channel cross-section |
US6876130B2 (en) * | 2003-04-14 | 2005-04-05 | Agilent Technologies, Inc. | Damped longitudinal mode latching relay |
US6879089B2 (en) * | 2003-04-14 | 2005-04-12 | Agilent Technologies, Inc. | Damped longitudinal mode optical latching relay |
-
2003
- 2003-04-14 US US10/413,002 patent/US6946776B2/en not_active Expired - Fee Related
-
2004
- 2004-04-09 JP JP2004115591A patent/JP2004319485A/ja active Pending
Cited By (5)
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JP2013516636A (ja) * | 2009-12-31 | 2013-05-13 | ビーエーエスエフ ソシエタス・ヨーロピア | 電子流体インジケータ及び通知方法 |
KR101075467B1 (ko) | 2010-03-02 | 2011-10-20 | 한국과학기술원 | 액체금속을 이용한 다채널 관성스위치, 그 제조방법, 이를 이용한 자동차 에어백 센서 및 포탄의 신관 |
WO2011126255A2 (ko) * | 2010-04-06 | 2011-10-13 | 한국과학기술원 | 관성 스위치 및 그 제조방법, 관성 스위치를 이용한 자동차 에어백 센서 및 포탄의 신관 |
KR101078668B1 (ko) | 2010-04-06 | 2011-11-01 | 한국과학기술원 | 볼베어링을 이용한 관성스위치, 그 제조방법, 이를 이용한 자동차 에어백 센서 및 포탄의 신관 |
WO2011126255A3 (ko) * | 2010-04-06 | 2012-03-15 | 한국과학기술원 | 관성 스위치 및 그 제조방법, 관성 스위치를 이용한 자동차 에어백 센서 및 포탄의 신관 |
Also Published As
Publication number | Publication date |
---|---|
US6946776B2 (en) | 2005-09-20 |
US20040201330A1 (en) | 2004-10-14 |
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