Thermal conductive sheet, and method for manufacturing a thermal conductive sheet
A thermal conductive sheet with oriented graphite particles and controlled manufacturing processes addresses the need for strength, flexibility, and conductivity, ensuring effective heat dissipation without breakage.
JP7892961B2Active Publication Date: 2026-07-22ZEON CORP
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Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- ZEON CORP
- Filing Date
- 2021-07-21
- Publication Date
- 2026-07-22
AI Technical Summary
Technical Problem
Thermal conductive sheets require improved strength, flexibility, and thermal conductivity to effectively dissipate heat from electronic components without breaking during use.
Method used
A thermal conductive sheet comprising graphite particles with a specific (110) plane orientation degree of 0.11 to 0.22, manufactured by roll molding with differentially speeded rolls, and a method involving primary sheet formation, lamination, and slicing at an angle to enhance orientation and strength.
Benefits of technology
The sheet achieves excellent thermal conductivity, flexibility, and strength, suitable for use between heating elements and heat dissipation components, enhancing heat dissipation efficiency.
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Smart Images
Figure 0007892961000001
Abstract
To provide a thermally conductive sheet having excellent thermal conductivity and flexibility, and excellent strength.SOLUTION: A thermally conductive sheet contains resin and graphite particles. When calculated by the Lotgering method using an X-ray diffraction profile, the graphite particles have a (110) plane orientation of 0.11 or more and 0.22 or less.SELECTED DRAWING: None
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