Multifunctional Composite Sheet Having Electromagnetic Wave Shielding and Thermal Conductivity Method of Preparing the Same and Electrical and Electronic Products Using the Same

• Main Author: SEO, BO KEE
• Format: Patent
• Language: English; Korean
• Published: 03.07.2023
• Subjects: CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; PERFORMING OPERATIONS; PRINTED CIRCUITS; TRANSPORTING

The present invention relates to a multifunctional composite sheet having electromagnetic wave shielding and thermal conductivity, a manufacturing method thereof, and an electrical and electronic product using the same and specifically, the composite sheet consisting of a heat-resistant film layer, a graphite layer, an adhesive layer, and a polymer elastic cushion layer is applied to various electronic products to improve heat conduction characteristics and electromagnetic wave shielding functions, and has an effect of having heat resistance, flame retardancy, and shock absorption functions. 본 발명은 전자파 차폐 및 열전도성을 갖는 다기능성 복합시트, 이의 제조방법 및 이를 이용한 전기전자제품에 관한 것으로, 더욱 상세하게는 내열필름층, 그라파이트층, 접착층 및 고분자 탄성 쿠션층으로 구성된 복합시트는 다양한 전자제품에 적용되어 열전도 특성 및 전자파 차폐 기능이 향상되고, 내열성, 난연성 및 충격흡수 기능을 갖는 효과가 있다.