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Patent Searching and Data


Title:
LENTICULAR PLATE AND MANUFACTURE THEREOF
Document Type and Number:
Japanese Patent JPH0890664
Kind Code:
A
Abstract:

PURPOSE: To provide a lenticular plate which has small spherical aberration and a chromatic aberration (i.e., a light condensing position is constant), and sharp light ray converging state and a method for manufacturing the same.

CONSTITUTION: A lenticular plate comprises a multilayer structure having a part which forms aligned cylindrical surfaces and functions as a convex lens 14, and a part which so forms aligned cylindrical surfaces and functions as a concave lens 12 as to correspond to the lens 14, wherein the resins for forming both the parts are materials having different refractive indexes.


Inventors:
YAMADA SENHIKO
Application Number:
JP23005194A
Publication Date:
April 09, 1996
Filing Date:
September 26, 1994
Export Citation:
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Assignee:
TOPPAN PRINTING CO LTD
International Classes:
G02B27/22; B29D11/00; G02B3/06; (IPC1-7): B29D11/00; G02B3/06