JP2022534520A - 中央を固定されているmemsベースのアクティブ冷却システム - Google Patents
中央を固定されているmemsベースのアクティブ冷却システム Download PDFInfo
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- 238000001816 cooling Methods 0.000 title claims abstract description 1237
- 239000012530 fluid Substances 0.000 claims abstract description 164
- 230000003534 oscillatory effect Effects 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims description 27
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- 230000003190 augmentative effect Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 240000001973 Ficus microcarpa Species 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
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- 239000010409 thin film Substances 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20509—Multiple-component heat spreaders; Multi-component heat-conducting support plates; Multi-component non-closed heat-conducting structures
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B7/00—Microstructural systems; Auxiliary parts of microstructural devices or systems
- B81B7/0083—Temperature control
- B81B7/009—Maintaining a constant temperature by heating or cooling
- B81B7/0093—Maintaining a constant temperature by heating or cooling by cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D33/00—Non-positive-displacement pumps with other than pure rotation, e.g. of oscillating type
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/203—Cooling means for portable computers, e.g. for laptops
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/206—Cooling means comprising thermal management
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
- H01L23/467—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing gases, e.g. air
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
- H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
- H10N30/2041—Beam type
- H10N30/2042—Cantilevers, i.e. having one fixed end
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- Human Computer Interaction (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Micromachines (AREA)
- Reciprocating Pumps (AREA)
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Abstract
Description
本願は、2019年12月6日出願の米国仮特許出願第62/945,001号「CENTRALLY PINNED COOLING ELEMENTS IN A MEMS-BASED COOLING SYSTEM」に基づく優先権を主張し、その仮特許出願は、すべての目的のために参照により本明細書に組み込まれる。
Claims (20)
- 冷却システムであって、
支持構造と、
中央領域および外周を有する冷却素子とを備え、前記冷却素子は前記中央領域で前記支持構造によって支持され、前記外周の少なくとも一部は固定されておらず、前記冷却素子は、流体を熱発生構造に向かって駆動するために、作動された時に振動運動を行うよう構成されている、
冷却システム。 - 請求項1に記載の冷却システムであって、前記冷却素子は、前記熱発生構造の近位にある第1側および前記熱発生構造の遠位にある第2側を有し、前記振動運動は、前記冷却素子の前記第2側から前記第1側へ前記流体を駆動する、冷却システム。
- 請求項1に記載の冷却システムであって、さらに、
少なくとも1つのベントを有する上部プレートを備え、
前記冷却素子は、前記上部プレートと前記熱発生構造との間にあり、前記冷却素子と前記上部プレートとの間に上部チャンバを形成する、冷却システム。 - 請求項3に記載の冷却システムであって、前記上部チャンバは、奇数の整数に波長を乗じて4で除した値に対応する長さを有し、前記波長は、前記振動運動の周波数に対する音波長であり、前記振動運動の周波数は、前記冷却素子の構造共振と、前記波長を有する前記上部チャンバの音響共振とに対応する、冷却システム。
- 請求項4に記載の冷却システムであって、前記上部チャンバは、折り返し上部チャンバである、冷却システム。
- 請求項1に記載の冷却システムであって、さらに、
少なくとも1つのオリフィスを有するオリフィスプレートを備え、
前記オリフィスプレートは、前記冷却素子と前記熱発生構造との間に配置され、前記冷却素子は、前記少なくとも1つのオリフィスを通して前記流体を駆動するように作動される、冷却システム。 - 請求項6に記載の冷却システムであって、前記少なくとも1つのオリフィスは、前記外周から100マイクロメートル以上かつ前記外周から1ミリメートル以下の位置に配置されている、冷却システム。
- 請求項6に記載の冷却システムであって、前記オリフィスプレートは、レッジおよび少なくとも1つのトレンチの内の少なくとも一方を備え、前記少なくとも1つのトレンチは、前記少なくとも1つのオリフィスを備え、前記レッジは、前記少なくとも1つのオリフィスよりも前記冷却素子の前記外周に近い、冷却システム。
- 請求項1に記載の冷却システムであって、前記振動運動は、異相振動運動である、冷却システム。
- 請求項9に記載の冷却システムであって、前記中央領域の第1側にある前記冷却素子の第1部分および前記中央領域の第2側にある前記冷却素子の第2部分が振動し、前記第2側は前記第1側の反対側にあり、前記冷却素子の前記第1部分および前記第2部分は異相振動運動を行う、冷却システム。
- 請求項1に記載の冷却システムであって、さらに、
前記冷却素子に結合されている弾性構造を備える、冷却システム。 - 請求項1に記載の冷却システムであって、さらに、
追加の冷却素子を備え、
前記冷却素子は、前記追加の冷却素子と前記熱発生構造との間にある、冷却システム。 - 請求項1に記載の冷却システムであって、前記冷却素子は、10ミリメートルを超えない長さを有する圧電型冷却素子であり、前記振動運動は、少なくとも30メートル/秒の速度で前記熱発生構造に向かって前記流体を駆動する、冷却システム。
- 冷却システムであって、
複数の冷却セルと、前記複数の冷却セルの各々は、支持構造と、中央領域および外周を有する冷却素子とを備え、前記冷却素子は、前記中央領域で前記支持構造によって支持され、前記外周の少なくとも一部が固定されておらず、前記冷却素子は、流体を熱発生構造に向かって駆動するために、作動された時に振動運動を行うよう構成されており、
複数のオリフィスを有するオリフィスプレートと、を備え、前記複数のオリフィスの一部は、前記複数の冷却セルの各々に対応し、前記オリフィスプレートは、前記冷却素子と前記熱発生構造との間に配置されている、冷却システム。 - 請求項14に記載の冷却システムであって、さらに、
前記複数の冷却セルの各々に対して少なくとも1つのベントを有する上部プレートを備え、
前記冷却素子は、前記上部プレートと前記熱発生構造との間にあり、前記複数の冷却セルの各々に対して前記冷却素子と前記上部プレートとの間に上部チャンバを形成し、前記上部チャンバは、奇数の整数に波長を乗じて4で除した値に対応する音響共振を提供するよう構成されている長さを有し、前記波長は、前記振動運動の周波数に対する音波長であり、前記振動運動の前記周波数は、前記冷却素子の構造共振にある、冷却システム。 - 請求項15に記載の冷却システムであって、前記複数のオリフィスの前記一部は、前記複数の冷却セルの各々において、前記冷却素子の前記外周から100マイクロメートル以上かつ前記冷却素子の前記外周から1ミリメートル以下の位置に配置されている、冷却システム。
- 請求項14に記載の冷却システムであって、前記振動運動は、前記複数の冷却セルの内の隣接する冷却セルについては異相振動運動である、冷却システム。
- 請求項17に記載の冷却システムであって、前記中央領域の第1側にある前記冷却素子の第1部分および前記中央領域の第2側にある前記冷却素子の第2部分が振動し、前記第2側は前記第1側の反対側にあり、前記冷却素子の前記第1部分および前記第2部分は異相振動運動を行う、冷却システム。
- 熱発生構造を冷却する方法であって、
ある周波数の振動運動を引き起こすように冷却素子を駆動することを備え、
前記冷却素子は、中央領域および外周を有し、前記冷却素子は、前記中央領域で前記支持構造によって支持され、前記外周の少なくとも一部が固定されておらず、前記冷却素子は、流体を熱発生構造に向かって駆動するために、作動された時に振動運動を行うよう構成されている、方法。 - 請求項19に記載の方法であって、前記駆動することは、さらに、
前記振動運動のための前記周波数で前記冷却素子を駆動することを備え、
前記周波数は、前記冷却素子の構造共振に対応し、前記冷却素子は、上部プレートと前記熱発生構造との間にあり、前記上部プレートは、少なくとも1つのベントを有し、前記冷却素子および前記上部プレートは、前記冷却素子と前記上部プレートとの間に上部チャンバを形成し、前記上部チャンバは、構成されている長さを有し、前記周波数は、さらに、前記長さに4を乗じて奇数の整数で除した値に対応する波長を有する音響共振に対応する、方法。
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US201962945001P | 2019-12-06 | 2019-12-06 | |
US62/945,001 | 2019-12-06 | ||
US16/915,912 | 2020-06-29 | ||
US16/915,912 US11464140B2 (en) | 2019-12-06 | 2020-06-29 | Centrally anchored MEMS-based active cooling systems |
PCT/US2020/055578 WO2021112959A1 (en) | 2019-12-06 | 2020-10-14 | Centrally anchored mems-based active cooling systems |
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JP2022534520A true JP2022534520A (ja) | 2022-08-01 |
JP7304436B2 JP7304436B2 (ja) | 2023-07-06 |
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US (3) | US11464140B2 (ja) |
EP (1) | EP4070020A4 (ja) |
JP (1) | JP7304436B2 (ja) |
KR (1) | KR20210143203A (ja) |
CN (2) | CN115843171A (ja) |
TW (1) | TWI786465B (ja) |
WO (1) | WO2021112959A1 (ja) |
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US11802554B2 (en) | 2019-10-30 | 2023-10-31 | Frore Systems Inc. | MEMS-based airflow system having a vibrating fan element arrangement |
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US12033917B2 (en) | 2019-12-17 | 2024-07-09 | Frore Systems Inc. | Airflow control in active cooling systems |
US11956921B1 (en) * | 2020-08-28 | 2024-04-09 | Frore Systems Inc. | Support structure designs for MEMS-based active cooling |
WO2022072286A1 (en) * | 2020-10-02 | 2022-04-07 | Frore Systems Inc. | Active heat sink |
US12033787B2 (en) | 2021-08-04 | 2024-07-09 | Medtronic, Inc. | Thermal transfer system and method |
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TW202312851A (zh) | 2023-03-16 |
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CN113841018B (zh) | 2023-01-10 |
CN113841018A (zh) | 2021-12-24 |
WO2021112959A1 (en) | 2021-06-10 |
TWI786465B (zh) | 2022-12-11 |
TW202127993A (zh) | 2021-07-16 |
CN115843171A (zh) | 2023-03-24 |
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US20220354021A1 (en) | 2022-11-03 |
US20210392788A1 (en) | 2021-12-16 |
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