JPS59164942U

JPS59164942U - optical card

Info

Publication number: JPS59164942U
Application number: JP1983059789U
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及びｂはそれぞれ磁気カードの断面図及び平面
図、第２図ａ及び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および読み取り時の動作
説明図、第４図は光記録部材に情報が記録された状態を
示す説明図、第５図は本考案に係る光カードの部分断面
図である。１・・・・・・台紙、２・・・・・・磁気記録材、３・
・間保護シール、４・・・・・・基板、５・・・・・・
光記録部材、６・・曲保護部材、７・・・・・・下層、
８・・・・・・レーザビーム、９・・・・・・ピット、
１０・・・・・・トラック、１１・・・・・・基板、１
２・・・・・・光記録部材、１３・・・・・・保護部材
。1A and 1B are a sectional view and a plan view of a magnetic card, respectively, FIGS. 2A and 2B are a sectional view and a plan view of an optical card, respectively, and FIG. 3 is an explanatory diagram of operations during recording and reading of an optical card. FIG. 4 is an explanatory diagram showing a state in which information is recorded on the optical recording member, and FIG. 5 is a partial sectional view of the optical card according to the present invention. 1... Mounting paper, 2... Magnetic recording material, 3.
・Interval protection seal, 4... Board, 5...
Optical recording member, 6... Song protection member, 7... Lower layer,
8... Laser beam, 9... Pit,
10... Track, 11... Board, 1
2... Optical recording member, 13... Protection member.

Claims

[Scope of utility model registration request]

(1) An optical card that has 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 on a card-shaped substrate, and a protective member formed in close contact thereon. A light source characterized in that the member is made of a material containing a cyanine dye and a quencher, and the substrate is made of a material that is transparent to laser light, so that it can be recorded and read from both the substrate side and the protective member side. card.

(2) Utility model registration claim No. 1, characterized in that the thickness of the optical recording member is 0.03 to 0.3 μm, and the thickness of the protection member is 0.2 to 0.5 mm. ) optical card.