LASER-DETECTOR-HOLOGRAM UNIT FOR THIN OPTICAL PICK-UP HEAD OF A CD-PLAYER

被引：9

作者：

YOSHIKAWA, A ^{[1
]}

NAKANISHI, H ^{[1
]}

ITOH, K ^{[1
]}

YAMAZAKI, T ^{[1
]}

KOMINO, T ^{[1
]}

MUSHA, T ^{[1
]}

机构：

[1] OLYMPUS OPT CO LTD,DIV INFORMAT PERIPHERAL,HACHIOJI,TOKYO 192,JAPAN

来源：

IEEE TRANSACTIONS ON COMPONENTS PACKAGING AND MANUFACTURING TECHNOLOGY PART B-ADVANCED PACKAGING | 1995年 / 18卷 / 02期

关键词：

D O I：

10.1109/96.386256

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A laser-detector-hologram (LDH) unit having the size of 4.8 x 8.2 x 4.3 mm for use as a thin optical pick-up head of a CD player has been successfully developed, The technology to make the LDH unit thin and small is based upon the following techniques: 1) an efficient optical combination of a low operating current laser diode and a 45 degrees built-in micromirror which is formed on a Si photodetector substrate, 2) a thin plastic-molded flat package with good thermal dissipation, and 3) a plastic-molded holographic optical element (HOE) as a cap. The pick-up head with the LDH unit has shown good optical performance, which is sufficient for the application to CD players.

引用

页码：245 / 249

页数：5

共 40 条

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