JP6727187B2 - 混合アスペクト比粒子分散を有する熱界面材料 - Google Patents
混合アスペクト比粒子分散を有する熱界面材料 Download PDFInfo
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- JP6727187B2 JP6727187B2 JP2017501170A JP2017501170A JP6727187B2 JP 6727187 B2 JP6727187 B2 JP 6727187B2 JP 2017501170 A JP2017501170 A JP 2017501170A JP 2017501170 A JP2017501170 A JP 2017501170A JP 6727187 B2 JP6727187 B2 JP 6727187B2
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
-
- 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
-
- 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
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
- H01L23/3737—Organic materials with or without a thermoconductive filler
-
- 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
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/209—Heat transfer by conduction from internal heat source to heat radiating structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/382—Boron-containing compounds and nitrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/382—Boron-containing compounds and nitrogen
- C08K2003/385—Binary compounds of nitrogen with boron
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/016—Additives defined by their aspect ratio
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/16—Solid spheres
- C08K7/18—Solid spheres inorganic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Thermal Sciences (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Description
A=Dmajor/Dminor
ここで、
A=アスペクト比
Dmajor=粒子の長さまたは幅軸に沿った最長寸法
Dminor=粒子の厚さ軸に沿った寸法
Dab
ここで、
D=直径
a=分布の重み付け(vは体積)
b=この粒子サイズ未満のサンプルの割合
10〜70ショアOOを含む上記の硬度範囲は、自動装置を含むハンドリングの容易さと組み合わせて、放射線遮蔽および熱伝達の有用なバランスを打ち出すことが本出願人によって見出されている。いくつかの実施形態では、界面材16は、室温で比較的寸法的に安定した自己支持体であってもよく、または、平面上に塗布するために分注可能な液状物を含む粘度の低いものであってもよい。上述の硬度および弾性率の範囲は、室温で設置された本発明の界面材16に適用されることが意図されている。本発明の界面材16の硬度値は、特に、相変化材料が本発明の界面材16のポリマーマトリックス24に使用される場合には、高温での動作条件下で低下してもよい。
A=電磁波吸収(dB/in)
S11=電磁反射係数
S21=電磁波透過係数
T=インターフェースパッドの厚さ(インチ)
である。
Denkaから入手可能な実質的に球状のアルミナ粒子、およびMomentiveから入手可能な窒化ホウ素(BN)板状粒子を用いて、第1の組の界面パッド試料を調製した。白金触媒およびマレイン酸塩阻害剤を含む、ビニル官能性シリコーンと水素化物官能性シリコーンのとの混合物を、界面パッドのポリマーマトリックスのベース樹脂として調製した。アルミナおよび窒化ホウ素フィラー粒子と樹脂材料との混合を、FlackTekスピードミキサーによって2200rpmで30秒間、100gのバッチで行った。混合後、材料を25℃に冷却し、次いで2200rpmでさらに15秒間混合した。
Denkaから入手可能な実質的に球状のアルミナ粒子と、Cabotから入手可能な板状のグラフェン粒子を使用して、もう1組の界面パッドを調製した。ポリマーマトリックスは、市販のRTV2部縮合硬化成型シリコーンから調製した。シリコーンA側をグラフェンおよびアルミナ粒子と2200rpmで30秒間混合した。材料を25℃に冷却し、次いでシリコーンB側を加え、2200rpmでさらに15秒間混合した。
Claims (8)
- 熱源からの熱放散および電磁干渉の遮蔽のために熱源に近接して配置可能な熱界面材料であって、
ポリマーマトリックスと、
前記ポリマーマトリックス中に30〜50体積%で分散された熱伝導性粒状フィラーであって、0.8〜1.2のアスペクト比および球状粒子直径を有する実質的に球状の粒子と、長さ、幅および厚さ並びに板状粒子直径を有する板状粒子であって、前記長さおよび前記幅の各々が前記厚さより実質的に大きく、かつ少なくとも10のアスペクト比を有する前記板状粒子と、を有し、前記球状粒子に対する前記板状粒子の体積充填比が0.1:1〜1:1であり、前記球状粒子の直径に対する前記板状粒子の直径の粒子直径比が2.5:1〜20:1である熱伝導性粒状フィラーと、
を有し、
少なくとも0.5W/m・Kの熱伝導率を示し、かつ、
前記ポリマーマトリックスは熱可塑性エラストマーである熱界面材料。 - 2.4GHzで少なくとも10dB/インチの電磁放射線吸収を示す、請求項1に記載の熱界面材料。
- 前記粒状フィラーは前記ポリマーマトリックス中に40〜50体積%で分散している、請求項1に記載の熱界面材料。
- 前記板状粒子は少なくとも100のアスペクト比を有する、請求項1に記載の熱界面材料。
- 前記板状粒子の前記長さおよび前記幅が実質的に等しい、請求項4に記載の熱界面材料。
- 前記球状粒子はアルミナを含み、前記板状粒子は、窒化ホウ素、グラフェン、およびそれらの組み合わせからなる群から選択される、請求項1に記載の熱界面材料。
- 20℃で5MPa未満の圧縮弾性率を示す、請求項1に記載の熱界面材料。
- 電子部品と、
放熱部材と、
前記電子部品と前記放熱部材との間に接触して配置される、請求項1に記載の熱界面材料と、
を有する電子パッケージ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/328,834 US9611414B2 (en) | 2014-07-11 | 2014-07-11 | Thermal interface material with mixed aspect ratio particle dispersions |
US14/328,834 | 2014-07-11 | ||
PCT/US2015/037336 WO2016007287A1 (en) | 2014-07-11 | 2015-06-24 | Thermal interface material with mixed aspect ratio particle dispersions |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017519888A JP2017519888A (ja) | 2017-07-20 |
JP6727187B2 true JP6727187B2 (ja) | 2020-07-22 |
Family
ID=55064681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2017501170A Active JP6727187B2 (ja) | 2014-07-11 | 2015-06-24 | 混合アスペクト比粒子分散を有する熱界面材料 |
Country Status (9)
Country | Link |
---|---|
US (3) | US9611414B2 (ja) |
EP (1) | EP3172734B1 (ja) |
JP (1) | JP6727187B2 (ja) |
KR (1) | KR102496868B1 (ja) |
CN (1) | CN106663473A (ja) |
ES (1) | ES2856408T3 (ja) |
PL (1) | PL3172734T3 (ja) |
TW (1) | TWI668261B (ja) |
WO (1) | WO2016007287A1 (ja) |
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JP6886175B2 (ja) * | 2017-03-08 | 2021-06-16 | 河合石灰工業株式会社 | ポーラス生石灰およびその製造方法 |
JP7092676B2 (ja) * | 2017-06-23 | 2022-06-28 | 積水化学工業株式会社 | 放熱シート、放熱シートの製造方法及び積層体 |
GB2571791B (en) * | 2018-03-09 | 2022-07-13 | Graphitene Ltd | Heat-sink formulation and method of manufacture thereof |
FR3084202B1 (fr) * | 2018-07-20 | 2020-10-23 | Inst Supergrid | Materiau d'isolation electrique comprenant un melange de charges inorganiques micrometriques et procede de fabrication |
WO2020131188A2 (en) * | 2018-09-27 | 2020-06-25 | Henkel IP & Holding GmbH | Abrasion-resistant coatings for thermal interfaces |
CN109651799A (zh) * | 2018-12-19 | 2019-04-19 | 航天科工武汉磁电有限责任公司 | 吸波贴片、其制备方法及其应用 |
CN114731061A (zh) | 2019-09-20 | 2022-07-08 | 艾诺格思公司 | 使用无线功率发射系统中的功率放大器控制器集成电路来分类和检测异物 |
JP2021051905A (ja) * | 2019-09-25 | 2021-04-01 | 富士高分子工業株式会社 | シーリング材用熱伝導シート及びこれを組み込んだ発熱性電気・電子部品 |
JP2023536573A (ja) * | 2020-07-28 | 2023-08-28 | スリーエム イノベイティブ プロパティズ カンパニー | 熱充填剤粒子、熱伝導性組成物、及びそれらを含むアセンブリ |
KR102542423B1 (ko) | 2020-09-23 | 2023-06-12 | 라이르드 테크놀로지스, 아이엔씨 | 열전도성 전자파 장해(emi) 흡수체 |
EP4269486A1 (en) * | 2021-12-22 | 2023-11-01 | Korea Institute of Ceramic Engineering and Technology | Heat dissipation material, composition including same, and preparation method therefor |
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-
2014
- 2014-07-11 US US14/328,834 patent/US9611414B2/en active Active
-
2015
- 2015-06-24 WO PCT/US2015/037336 patent/WO2016007287A1/en active Application Filing
- 2015-06-24 JP JP2017501170A patent/JP6727187B2/ja active Active
- 2015-06-24 PL PL15818517T patent/PL3172734T3/pl unknown
- 2015-06-24 ES ES15818517T patent/ES2856408T3/es active Active
- 2015-06-24 KR KR1020177000248A patent/KR102496868B1/ko active IP Right Grant
- 2015-06-24 EP EP15818517.3A patent/EP3172734B1/en active Active
- 2015-06-24 CN CN201580037686.4A patent/CN106663473A/zh active Pending
- 2015-07-09 TW TW104122390A patent/TWI668261B/zh active
-
2017
- 2017-02-16 US US15/434,713 patent/US20170158936A1/en not_active Abandoned
-
2019
- 2019-06-11 US US16/437,411 patent/US11447677B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
ES2856408T3 (es) | 2021-09-27 |
TWI668261B (zh) | 2019-08-11 |
US20160009975A1 (en) | 2016-01-14 |
KR102496868B1 (ko) | 2023-02-07 |
PL3172734T3 (pl) | 2021-07-05 |
US9611414B2 (en) | 2017-04-04 |
TW201615716A (zh) | 2016-05-01 |
EP3172734B1 (en) | 2021-01-20 |
JP2017519888A (ja) | 2017-07-20 |
KR20170032278A (ko) | 2017-03-22 |
US20170158936A1 (en) | 2017-06-08 |
EP3172734A1 (en) | 2017-05-31 |
US11447677B2 (en) | 2022-09-20 |
US20190322918A1 (en) | 2019-10-24 |
WO2016007287A1 (en) | 2016-01-14 |
CN106663473A (zh) | 2017-05-10 |
EP3172734A4 (en) | 2018-05-09 |
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