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A heat-dissipating member (1) provided with a heat-radiating ceramic material (10), the heat-radiating ceramic material (10) containing: a first metal oxide as a main component, which is a metal oxide having a wurtzite-type crystal structure; and a second metal oxide which is a metal oxide having an average emissivity of 70% or more in a wavelength region of 3 [mu] m or more and 25 [mu] m or less. The second metal oxide includes at least one of a trivalent metal-doped metal oxide that substitutes a portion of metal atoms of the first metal oxide with trivalent metal atoms and a monovalent metal-doped metal oxide that substitutes with monovalent metal atoms.
散热构件，是具备热辐射陶瓷材料(10)的散热构件(1)，热辐射陶瓷材料(10)包含：第一金属氧化物作为主成分，其为具有纤锌矿型的晶体结构的金属氧化物；和第二金属氧化物，其为3μm以上且25μm以下的波长区域中的平均辐射率成为70％以上的金属氧化物。第二金属氧化物包含将第一金属氧化物的一部分的金属原子用三价的金属原子置换的三价金属掺杂金属氧化物和用一价的金属原子置换的一价金属掺杂金属氧化物中的至少一者。
A heat-dissipating member (1) provided with a heat-radiating ceramic material (10), the heat-radiating ceramic material (10) containing: a first metal oxide as a main component, which is a metal oxide having a wurtzite-type crystal structure; and a second metal oxide which is a metal oxide having an average emissivity of 70% or more in a wavelength region of 3 [mu] m or more and 25 [mu] m or less. The second metal oxide includes at least one of a trivalent metal-doped metal oxide that substitutes a portion of metal atoms of the first metal oxide with trivalent metal atoms and a monovalent metal-doped metal oxide that substitutes with monovalent metal atoms.
散热构件，是具备热辐射陶瓷材料(10)的散热构件(1)，热辐射陶瓷材料(10)包含：第一金属氧化物作为主成分，其为具有纤锌矿型的晶体结构的金属氧化物；和第二金属氧化物，其为3μm以上且25μm以下的波长区域中的平均辐射率成为70％以上的金属氧化物。第二金属氧化物包含将第一金属氧化物的一部分的金属原子用三价的金属原子置换的三价金属掺杂金属氧化物和用一价的金属原子置换的一价金属掺杂金属氧化物中的至少一者。
Heat dissipation member and heat sink
散热构件和散热器
MASAKI MOTOKI (author)
2023-12-08
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
CERAMIC HEAT DISSIPATION MEMBER AND MANUFACTURING METHOD OF CERAMIC HEAT DISSIPATION MEMBER
| European Patent Office | 2024