US 2026/0184057 A1 · MANUFACTURING METHOD OF GRAPHITE HEAT DISSIPATION SHEET

Abstract

Proposed is a manufacturing method of a graphite heat dissipation sheet. The manufacturing method includes a first process in which a graphite sheet having a predetermined width is disposed between a pair of protective films having inner side surfaces provided with thermal fusion layers and both side surfaces of the protective films are thermally fused so that both side surfaces of the graphite sheet are sealed, a second process in which an inner portion of the graphite sheet is vacuum-evacuated, opening parts of the protective films are thermally fused so that the graphite sheet is entirely sealed, and then heat is applied to surfaces of the protective films such that the surfaces of the protective films are thermally fused with the graphite sheet, and a third process in which a border part of the graphite sheet is cut.

Claims7

Dependent claims

A manufacturing method of a graphite heat dissipation sheet, the manufacturing method comprising:

a first process in which a graphite sheet having a predetermined width is disposed between a pair of films having inner side surfaces provided with thermal fusion layers that have a thermoplastic characteristic that causes the thermal fusion layers to melt at a predetermined temperature and in which both side surfaces of the pair of films are thermally fused, thereby sealing both side surfaces of the graphite sheet;
a second process in which an inner portion of the graphite sheet having both sealed side surfaces thereof is vacuum-evacuated, opening parts of the pair of films are thermally fused so that the graphite sheet is entirely sealed, and then heat is applied to surfaces of the pair of films such that the thermal fusion layers are melted so that the graphite sheet and the surfaces of the pair of films are thermally fused;
and
a third process in which a border part of the graphite sheet is cut.

1 more element

A manufacturing method of a graphite heat dissipation sheet, the manufacturing method comprising:

a first process in which a graphite sheet having a predetermined width is inserted into and disposed inside a film-type pouch which has an inner side surface provided with a thermal fusion layer with a thermoplastic characteristic that causes the thermal fusion layer to melt at a predetermined temperature and which has a first side open;
a second process in which an inner portion of the graphite sheet is vacuum-evacuated by applying vacuum to the film-type pouch having the first side open, thermally fusing an opening part of the film-type pouch so that the graphite sheet is entirely sealed, and applying heat to a surface of the film-type pouch such that the thermal fusion layer is melt so that the graphite sheet and the surface of the film-type pouch are thermally fused with each other;
and
a third process in which a border part of the graphite sheet is cut.

1 more element

Dependencies are inferred from the claim text.

Manufacturing method of graphite heat dissipation sheet

Life of this patent

Manufacturing method of graphite heat dissipation sheet

Life of this patent

Abstract

Claims7