JPS59164941U

JPS59164941U - optical card

Info

Publication number: JPS59164941U
Application number: JP1983059788U
Authority: JP
Inventors: 浅見　茂; 黒岩　顕彦; 憲良南波; 利樹青井; 一夫高橋
Original assignee: ティーディーケイ株式会社
Priority date: 1983-04-21
Filing date: 1983-04-21
Publication date: 1984-11-05

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図ａ、　　ｂはそれぞれ磁気カードの断面図及び平
面図、−第２図ａ、　ｂはそれぞれ光カードの断面図及
び平面図、第３図は光カードの記録及び読み取り時の動
作説明図、第４図は光記録材料層に情報が記録された状
態を示す説明図、第５図ａ。ｂは本考案の一実施例構成図、第６図ａ、”ｂは本考案
の他の実施例構成図である。１・・・・・・台紙、２・・・・・・磁気記録材、３・
・・・・・保護シール、４・・・・・・基板、５・・・
・・・光記録材料、６・・・・・・保護部材、７・・・
・・・レーザビーム、８・曲・ピット、９・・・・・・
トラック、１０・・・・・・光学ヘッドの進行方向、１
１・・・・・・基板、１２・・・・・・光記録層、１３
・・・・・・表面層、１４・・・・・・着色部。 ■　−丼一」−ＬFigures 1a and b are a cross-sectional view and a plan view of the magnetic card, - Figures 2a and b are a cross-sectional view and a plan view of the optical card, respectively, and Figure 3 is an explanatory diagram of the operation of the optical card during recording and reading. , FIG. 4 is an explanatory diagram showing a state in which information is recorded on the optical recording material layer, and FIG. 5a. 6b is a diagram showing the configuration of one embodiment of the present invention, and FIGS. 6a and 6b are diagrams of the configuration of other embodiments of the present invention. ,3・
・・・Protective seal, 4... Board, 5...
... Optical recording material, 6... Protective member, 7...
・・・Laser beam, 8・Song・Pit, 9・・・・・・
Track, 10...Advancing direction of optical head, 1
1... Substrate, 12... Optical recording layer, 13
...Surface layer, 14... Colored part. ■ -Donichi"-L

Claims

[Claims for Utility Model Registration] 1. In an optical card having an optical recording member that records information by thermal action on the surface or inside of a recording material by selective irradiation of a laser beam onto a card-shaped substrate, an aromatic An optical card characterized in that a recording material containing a cyanine dye having an indole ring which may be fused is used, and a protective layer containing an ultraviolet absorber is provided on the outside of the optical recording member. 2 Utility model registration claim 1 characterized in that the protective layer contains a visible light absorber and an ultraviolet absorber
Optical card as described in section. 3. The optical card according to claim 1, wherein the protective layer is provided on both sides of the optical recording member. 4. The optical card according to claim 1, wherein the optical card can be classified by using a visible light absorber as the protective layer.