Fine carbon fiber-metal composite material and method for production thereof
US7563502B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 2, 2005 |
| Grant date | Jul 21, 2009 |
| Priority date | — |
| Expiry date | Jul 24, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/30
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
To provide a fine carbon fiber/metal composite material having high mechanical strength, a high thermal conductivity and a low coefficient of thermal expansion and suitable as a substrate for an electronic device.A fine carbon fiber/metal composite material, which is prepared by pressure impregnating a molded product containing fine carbon fibers having a fiber diameter of from 0.5 to 500 nm and a fiber length of at most 1,000 μm, having a multilayer structure wherein cylindrical carbon layers overlap one another, and having a hollow-structured central axis, with aluminum, magnesium, copper or an alloy of such a metal, by molten metal forging.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.