AN ELECTRONIC DEVICE BASED ON MICROPATTERN FORMED BY ADDICTIVE PRINTING USING SMART MATERIALS AND A MANUFACTURING METHOD THEREOF

• Main Authors: KIM YOUNG SOO, OH SUN JONG, YEO SEON JU, LEE BO YEON
• Format: Patent
• Language: English; Korean
• Published: 05.10.2023
• Subjects: ADDITIVE MANUFACTURING TECHNOLOGY; ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES; PERFORMING OPERATIONS; SEMICONDUCTOR DEVICES; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

One embodiment of the present invention provides a technique for laminating and patterning a transparent stimulus-variable material (programmable material) based on 3D printing technology on a flexible/stretchable conductive device (film) to enable it to deform itself in three dimensions in response to an external stimulus in a desired shape. An electronic device based on smart material micropatterned additive manufacturing, according to an embodiment of the present invention, includes: a conductive part formed of a conductive material and having electrical conductivity and flexibility; and a stimulus variable part formed by laminating and patterning a stimulus variable material whose molecular arrangement changes by an external physical stimulus onto a surface of the conductive part. 본 발명의 일 실시 예는 유연/신축 전도성 소자(필름) 위에 3D 프린팅 기술 기반으로 투명한 자극가변 소재(프로그래머블 소재)를 적층 및 패터닝하여 원하는 형상으로 외부자극에 대해 스스로 3차원 변형이 가능하게끔 하는 기술을 제공한다. 본 발명의 실시 예에 따른 스마트 소재 미세패턴 적층 프린팅 기반 전자소자는, 전도성 소재로 형성되어 전기 전도성 및 유연성을 구비하는 전도성부; 및 외부의 물리적 자극에 의해 분자 배열이 가변하는 자극가변 소재가 전도성부의 표면에 적층 및 패터닝되어 형성되는 자극가변부를 포함한다.