KR970050374A

KR970050374A - All-in-one optical pick-up device

Info

Publication number: KR970050374A
Application number: KR1019950067938A
Authority: KR
Inventors: 최양오
Original assignee: 배순훈; 대우전자 주식회사
Priority date: 1995-12-30
Filing date: 1995-12-30
Publication date: 1997-07-29

Abstract

본 발명은 광학 데이타기록 매체에 신호를 기록하고, 그 기록된 정보를 전기신호로 재생시키는 광 픽-업장치에 관한 것으로서, 특히 다수의 광학소자를 일체로 집적형성하여 조립 및 조정의 용이성과 경박단소화에 기여할 수 있도록 하는 일체형 광 픽-업장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical pick-up apparatus for recording a signal on an optical data recording medium and reproducing the recorded information as an electrical signal. In particular, the optical pick-up apparatus is integrated and formed in a plurality of optical elements to facilitate assembly and adjustment. An integrated optical pick-up device for contributing to shortening.

이를 위하여 광학 데이타기록 매체에 신호를 기록하고, 그 기록된 정보를 전기신호로 재생시키는 광 픽-업 장치에 있어서, 다수의 광학소자가 안치되는 실리콘기판, 소정의 파장으로 레이저 빔을 발생하는 레이저 다이오드, 상기 실리콘기판 일측 상부에 집적 형성되는 상기 레이저 다이오드가 안치되며 방열기능을 갖는 지지 체, 상기 실리콘기판의 타측 상부에 집적 형성되어 상기 레이저 다이오드로부터 방출되는 빔을 반사하는 반사 프리즘, 상기 지지체 양측에 소정간격을 두고 배치되며 상기 실리콘기판 상부에 집적 형성되어 상기 반사 프리즘을 통해 되돌아오는 디스크의 광정보를 검출하는 제1 및 제2광검출기, 상기 반사 프리즘의 일측면에 형성되어 레이저 다이오드의 방출 빔을 회절시켜 쓰리빔으로 분리하는 홀로그램격자, 상기 실리콘기판의 상부에 형성되어 상기 다수의 광학소자를 밀폐시키는 플라스틱 케이스, 상기 플라스틱 케이스의 소정부분에 형성되어 포크스에러를 검출위한 비점수차를 발생시키는 마이크로 프로즈넬렌즈로 이루어진 것이다.To this end, an optical pick-up apparatus for recording a signal on an optical data recording medium and reproducing the recorded information as an electrical signal, comprising: a silicon substrate on which a plurality of optical elements are placed; a laser generating a laser beam at a predetermined wavelength Diode, the laser diode formed integrally on one side of the silicon substrate is placed, the support body having a heat dissipation function, a reflective prism integrally formed on the other side of the silicon substrate to reflect the beam emitted from the laser diode, both sides of the support First and second photodetectors which are formed at predetermined intervals on the silicon substrate and are integrated on the silicon substrate and detect the optical information of the disk returned through the reflective prism, and are formed on one side of the reflective prism to emit a laser diode Holographic lattice to diffract a beam into three beams and the silicon substrate Is formed above is made of a micro Fresnel lens for peurojeu plastic case, are formed on the predetermined portion of the plastic casing occurs astigmatism for detecting the error Forks for sealing the plurality of optical elements.

Description

All-in-one optical pick-up device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 본 발명에 일체형 광 픽-업장치의 구성도,2 is a block diagram of an integrated optical pick-up device according to the present invention;

제3도는 본 발명에 따른 일체형 광 픽-업장치의 평면도.3 is a plan view of the integrated optical pick-up device according to the present invention.

Claims

An optical pick-up apparatus for recording a signal on an optical data recording medium and reproducing the recorded information as an electrical signal, comprising: a silicon substrate 61 on which a plurality of optical elements are placed; A laser diode 63, the laser diode 63 is formed integrally formed on one side of the silicon substrate 61, the support 62 having a heat dissipation function, and integrally formed on the other side of the silicon substrate 61 and the Reflective prism 64 reflecting the beam emitted from the laser diode 63, disposed on both sides of the support 62 at a predetermined interval and integrally formed on the silicon substrate 61 through the reflective prism 64 First and second photodetectors 66a and 66b for detecting the optical information of the returned disk and one side of the reflective prism 64 are diffracted to separate the beam of the laser diode 63 into three beams. Ha Hologram lattice 65, a plastic case 67 formed on the silicon substrate 65 to seal the plurality of optical elements, formed in a predetermined portion of the plastic case 67, astigmatism for detecting forks errors An integrated optical pick-up device comprising a micro prosnel lens (68) for generating a light source.

※ Note: The disclosure is based on the initial application.