15MB1800, Development of High Efficiency GaN-based Key Components and Modules for Base and Mobile Stations,
Jong-Won Lim
Abstract
본 발명은 패치 안테나에 관한 것으로, 본 발명의 일 실시 예에 따른 패치 안테나는, 복수의 유전체층들이 적층된 다층 기판; 상기 다층 기판의 중심 영역의 외부에서, 상기 복수의 유전체층들 사이에 개재된 적어도 하나의 금속 패턴층; 상기 다층 기판의 상부면 상에 배치되고, 상기 중심 영역 내에 위치하는 안테나 패치; 상기 다층 기판의 하부면에 배치된 접지층; 상기 복수의 유전체층들을 관통하여 상기 금속 패턴층과 상기 접지층을 전기적으로 연결하고, 상기 중심 영역을 에워싸는 복수의 연결 비아 패턴들; 상기 다층 기판의 상부면 상에 배치되고 상기 중심 영역 외부에 위치하는 제1 전송 선로부와, 상기 다층 기판의 상부면 상에 배치되고 상기 중심 영역 내에 위치하는 제2 전송 선로부를 포함하는 전송 선로; 및 상기 다층 기판의 중심 영역 내에서 상기 제2 전송 선로부의 아래에 위치하는 임피던스 변환기를 포함할 수 있다.
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