Graphite plateIt can be used not only for electronic equipment, but also for industrial equipment, automobiles and many other equipment as exothermic components.

A graphite plate, wherein the proportion of voids is 1% or more and 30% or less, and graphite is used except for the voids.

2. The graphite plate according to claim 1, wherein the mosaic diffusion angle of X-ray diffraction is 3 degrees or more and 6.5 degrees or less.

3. The graphite plate according to claim 1, wherein the thermal conductivity of the graphite plate is 1000 W / m · K or more and less than 1500 W / m · K.

4. The graphite plate according to claim 1, wherein the thickness of the graphite plate is 50 μηι More than 1.5 mm and less.

5. A method for manufacturing a graphite plate, comprising a glassy carbon manufacturing step of heat treating a polymer film at 400 ° C or more and 2000 ° C or less to obtain glassy carbon, a forming preparation step of overlapping at least one piece of glassy carbon obtained in the glassy carbon manufacturing step, and a forming step of adjusting the pressurization pressure of the glassy carbon at a temperature higher than that in the glassy carbon manufacturing step in an inert atmosphere, The pressure is applied in such a manner that 1% or more and 30% or less of the voids are formed.

6. The method for manufacturing a graphite plate according to claim 5, wherein the pressing force is 5 MPa or more and 20 MPa or less.

7. One kindGraphite plateThe method comprises a glassy carbon manufacturing step of subjecting the laminated polymer film to heat treatment at 400 ° C or more and 2000 ° C or less to obtain laminated glassy carbon, and a forming step of adjusting the pressurizing pressure of the laminated glassy carbon at a higher temperature than the glassy carbon manufacturing step in an inert atmosphere, and pressurizing the laminated glassy carbon in such a manner that it is formed at a ratio of 1% or more and 30% or less in accordance with a void ratio.

8. The method for manufacturing a graphite plate according to claim 7, wherein the pressing force is 5 MPa or more and 20 MPa or less.