Title:
グラファイトシート、高熱伝導性放熱基板、及びグラファイトシートの製造方法
Document Type and Number:
Japanese Patent JP6814267
Kind Code:
B2
Abstract:
To provide a high thermal conductive heat dissipation substrate which can use a substrate for electronics, and is flexible, smooth and light weight.SOLUTION: There is provided a graphite sheet having thickness of 20 μm to 50 μm, arithmetic surface roughness of 2.0 μm or less, thermal conductivity in a surface direction of 1500 W/mK to 1800 W/mK, and density of 1.8 g/cmto 2.26 g/cm. The graphite is not broken in a flexural test using a mandrel with diameter of 10 mm.SELECTED DRAWING: None
Inventors:
Atsumi Tatami
Tachibana Masamitsu
Mutsuaki Murakami
Tachibana Masamitsu
Mutsuaki Murakami
Application Number:
JP2019173909A
Publication Date:
January 13, 2021
Filing Date:
September 25, 2019
Export Citation:
Assignee:
Kaneka Corporation
International Classes:
B24B21/00; C01B32/21; B24B29/00; B24B37/00; B24B41/06; B24C1/00; B32B9/00
Domestic Patent References:
| JP2010064949A | ||||
| JP8023183A | ||||
| JP2007204301A | ||||
| JP11251141A |
Foreign References:
| WO2005023713A1 | ||||
| CN103121186A |
Attorney, Agent or Firm:
Asfi International Patent Office