JP2010283327A - 熱伝導部材、電子装置及び該電子装置の製造方法 - Google Patents
熱伝導部材、電子装置及び該電子装置の製造方法 Download PDFInfo
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- JP2010283327A JP2010283327A JP2009293035A JP2009293035A JP2010283327A JP 2010283327 A JP2010283327 A JP 2010283327A JP 2009293035 A JP2009293035 A JP 2009293035A JP 2009293035 A JP2009293035 A JP 2009293035A JP 2010283327 A JP2010283327 A JP 2010283327A
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Abstract
【解決手段】熱伝導部材30は、保護温度が設定される熱源と放熱装置との間に設置され、前記熱源からの熱を前記放熱装置に伝えることに用いられる。該熱伝導部材は、基材31と、該基材の中に分散された複数の複合熱伝導粒子32とを含む。各々の複合熱伝導粒子が第一熱伝導粒子321及びカーボンナノチューブ322を含み、該カーボンナノチューブがそれぞれ前記第一熱伝導粒子の中に包まれる。また、前記熱伝導部材を含む電子装置及び該電子装置の製造方法。
【選択図】図2
Description
図1を参照すると、本発明の実施例は、電子装置100を提供する。該電子装置100は、熱源10、放熱装置20、及び前記熱源10と放熱装置20との間に設置され、前記熱源10からの熱を前記放熱装置20に伝える熱伝導部材30を含む。
20 放熱装置
30 熱伝導部材
31 基材
32 複合熱伝導粒子
321 第一熱伝導粒子
322 カーボンナノチューブ
3211 第二熱伝導粒子
100 電子装置
Claims (7)
- 保護温度が設定される熱源と放熱装置との間に設置され、前記熱源からの熱を前記放熱装置に伝えることに用いられる熱伝導部材において、
基材と、該基材の中に分散された複数の複合熱伝導粒子と、を含み、
各々の前記複合熱伝導粒子が、第一熱伝導粒子及びカーボンナノチューブを含み、且つ該カーボンナノチューブがそれぞれ前記第一熱伝導粒子の中に包まれたことを特徴とする熱伝導部材。 - 各々の前記複合熱伝導粒子の粒径が100ナノメートルより大きく、その融点が前記熱源の保護温度より高いことを特徴とする、請求項1に記載の熱伝導部材。
- 前記熱伝導部材は、粒径が100ナノメートルより大きい第一熱伝導粒子を含むことを特徴とする、請求項1又は2に記載の熱伝導部材。
- 前記熱伝導部材において、前記熱伝導部材に対する前記複合熱伝導粒子の質量比が15質量%〜95質量%であることを特徴とする、請求項1〜3のいずれか一項に記載の熱伝導部材。
- 前記第一熱伝導粒子が金属粒子又は合金粒子であることを特徴とする、請求項1〜4のいずれか一項に記載の熱伝導部材。
- 保護温度が設定される熱源と、放熱装置と、前記熱源及び放熱装置の間に設置される熱伝導部材と、を含む電子装置において、
前記熱伝導部材が基材と、該基材の中に分散された複数の複合熱伝導粒子と、を含み、
各々の前記複合熱伝導粒子が、第一熱伝導粒子及びカーボンナノチューブを含み、且つ該カーボンナノチューブがそれぞれ前記第一熱伝導粒子の中に包まれことを特徴とする電子装置。 - 熱伝導部材の予備成形体及び保護温度を有する熱源を提供して、前記熱伝導部材の予備成形体が、基材と、該基材の中に分散された複数の第二熱伝導粒子及びカーボンナノチューブとを含み、前記複数の第二熱伝導粒子の粒径が1ナノメートル〜100ナノメートルであり、その融点が前記熱源の保護温度より低いステップと、
前記熱伝導部材の予備成形体を前記熱源の一つ表面に設置するステップと、
前記熱源により、前記熱伝導部材の予備成形体を加熱させると、該加熱温度が、前記第二熱伝導粒子の融点より高く、且つ前記熱源の保護温度以下であり、前記複数の第二熱伝導粒子を溶融させた後、少なくとも一部の前記第二熱伝導粒子と少なくとも一つのカーボンナノチューブとが複合し、複合熱伝導粒子に形成され、該複合熱伝導粒子の粒径が100ナノメートルより大きく、その融点が前記保護温度より高いステップと、
前記熱伝導部材の予備成形体を冷却するステップと、
を含むことを特徴とする電子装置の製造方法。
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