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Fibrous solid carbon complex and its prepn. method

A fibrous, solid carbon technology, used in carbon preparation/purification, fiber chemical characterization, cold cathode manufacturing, etc.

Inactive Publication Date: 2006-02-08
HOKKAIDO UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For this reason, when the needle of the electron gun is damaged in use, it is necessary to replace it with a new one

Method used

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  • Fibrous solid carbon complex and its prepn. method
  • Fibrous solid carbon complex and its prepn. method
  • Fibrous solid carbon complex and its prepn. method

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Embodiment Construction

[0029] Embodiments of the present invention will be described below in conjunction with the accompanying drawings. figure 1 is a cross-sectional view of an apparatus for producing a fibrous solid carbon aggregate according to an embodiment of the present invention. Figure 2 to Figure 4 is a diagram for explaining the formation of the fibrous substrate used in the present invention. Figure 5 is a typical diagram used to explain the growth process of graphite fibrils. Image 6 It is a typical diagram used to show the growth state of graphite fibrils on the surface of the fiber body. Figure 7 It is a typical diagram used to show the growth state of graphite fibrils inside the fiber body. Figure 8 It is a typical diagram used to show the growth state of graphite fibrils in the gap between two fiber bodies. Figure 9 is a sectional view of an intermediate product in which a fibril fixing layer is formed. Figure 10 is a sectional view of a display device formed by using a f...

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Abstract

A fibrous solid carbon manifold assembly and a method for producing the fibrous solid carbon manifold assembly are provided. The fibrous solid carbon manifold assembly has fibrous bodies carbonized, and a limitless number of superfine graphite filaments grown on surfaces of the carbonized fibrous bodies, in the inside of each of said fibrous bodies and in a gap between adjacent ones of said fibrous bodies. With such a configuration, the number of superfine graphite filaments can be increased more greatly.

Description

technical field [0001] The present invention relates to a fibrous solid carbon aggregate and a method for preparing the fibrous solid carbon aggregate, which is used in a wide range of technical fields such as field emission electron sources (especially, needles of electron guns) , various gas adsorption materials, battery electrode materials, ultra-fine shock-absorbing materials and ultra-fine elastic materials, etc. Background technique [0002] Conventional needles for emitting electron guns etc. are provided as a whole. For this reason, when the needle of the electron gun is damaged in use, it must be replaced with a new one. [0003] JP-A-2001-2290806 proposes a material for use as a field emission electron source, which includes: a metal substrate containing metal such as iron as a main component, which functions as a carbon fiber on which nanotube-like The role of the core of the metal substrate; a large number of through-holes formed in the metal substrate; and a c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B31/02D01F9/12D01F9/127H01J1/304H01J9/02
CPCH01J9/025B82Y30/00D01F9/127Y10T428/30H01J1/3044C01B32/05
Inventor 武笠幸一纲渕辉幸末冈和久
Owner HOKKAIDO UNIVERSITY