Optical disc

申请公布号：US4503531(A)

申请号：US19820447853

申请日期：1982.12.08

申请公布日期：1985.03.05

申请人：

PIONEER ELECTRONIC CORPORATION

发明人：KATO, HIROSHI

分类号：B32B7/12;G11B7/24;G11B7/26;(IPC1-7):G11B7/24

主分类号：B32B7/12

摘要：An optical disc includes a pair of substrates, at least one of which has predetermined information pits formed on one surface. The two substrates are bonded with a hot-melt adhesive having (1) a softening point of not more than 140 DEG C., (2) a dry tensile adhesive strength of not less than 1 kg/cm2 at 20 DEG C. and (3) a melt viscosity of not more than 1,000 P at 160 DEG C.

ADDRESS GENERATION CIRCUIT EXTENDING ADDRESS

PRINTING CONTROLLER

FLUID CONTROLLER

ROBOT CONTROLLER

COMPRESSING AND EXPANDING DEVICE FOR SPEECH SIGNAL

PRINTING DEVICE

OFF-LINE TEACHING METHOD

POSITION SPECIFYING METHOD

RECORDER

LIQUID CRYSTAL DISPLAY DEVICE

NOTICE BODY

DISPLAY DEVICE

DISPLAY DEVICE

PROGRAMABLE CONTROLLER

METHOD AND DEVICE FOR DESIGNING CONNECTION WIRE BETWEEN EQUIPMENT AND PROGRAMABLE CONTROLLER

IMAGE FORMING DEVICE

CYLINDRICAL VESSEL USED AS SMALL-SIZED AEROPHONE (POCKET RECORDER) WITH SHEATH PIPE

METHOD FOR COMPRESSING CHARACTER FONT

SYSTEM FOR EDUCATION BY CORRESPONDENCE

PRINTING DEVICE