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Application filed by 황선두, 삼성전기 주식회사filedCritical황선두
Priority to KR1019910015176ApriorityCriticalpatent/KR930005343A/en
Publication of KR930005343ApublicationCriticalpatent/KR930005343A/en
탄성표면과 공진기의 전극형성방법Electrode Formation Method of Elastic Surface and Resonator
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제3도는 본 발명의 전극구조를 나타낸 도면.3 is a view showing an electrode structure of the present invention.
Claims (1)
탄성표면파를 발생시키는 압전체기판과, 탄성표면파를 전기신호로 또는 전기신호를 탄성표면파로 바꾸는 정규형전극(10)과, 상기 정극형 전극(10)으로 부터 전파되는 탄성표면파를 되돌려 보내는 반사기(20)로 구성된 탄성표면파 공진기에 있어서, 반사기(20)가 가중반사기(1) 및 더미전극(2)으로 구성되며, 상기한 가중반사기는 전극형상이 sin x/x함수 모양을 가지며 sin x/x함수의 첫번째 0점이 반사기(20)의 끝부분과 일치하도록 설계되고 상기한 더미전극은 금속-스트립 그레이팅(4)의 길이가 짧은 반사기(20)의 양단부에 설치되는 것을 특징으로 하는 탄성표면파 공진기의 전극 형성방법.A piezoelectric substrate for generating surface acoustic waves, a normal electrode 10 for converting surface acoustic waves into electric signals or surface acoustic waves, and a reflector 20 for returning surface acoustic waves propagated from the positive electrode 10. In the surface acoustic wave resonator composed of a reflector 20, the reflector 20 is composed of a weight reflector 1 and a dummy electrode 2. The weight reflector has an sin x / x function shape and an sin x / x function. The first zero point is designed to coincide with the end of the reflector 20, and the dummy electrode is formed at both ends of the reflector 20 having a short length of the metal-strip grating 4, thereby forming an electrode of the surface acoustic wave resonator. Way.※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019910015176A1991-08-311991-08-31
Electrode Formation Method of Elastic Surface and Resonator
KR930005343A
(en)