JPS6445409A - Base plate for optical disk - Google Patents

Base plate for optical disk

Info

Publication number
JPS6445409A
JPS6445409A JP62200954A JP20095487A JPS6445409A JP S6445409 A JPS6445409 A JP S6445409A JP 62200954 A JP62200954 A JP 62200954A JP 20095487 A JP20095487 A JP 20095487A JP S6445409 A JPS6445409 A JP S6445409A
Authority
JP
Japan
Prior art keywords
base plate
formula
structural unit
optical disk
resistance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP62200954A
Other languages
Japanese (ja)
Inventor
Masayoshi Oshima
Teiji Obara
Yoshio Natsuume
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zeon Corp
Original Assignee
Nippon Zeon Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Zeon Co Ltd filed Critical Nippon Zeon Co Ltd
Priority to JP62200954A priority Critical patent/JPS6445409A/en
Publication of JPS6445409A publication Critical patent/JPS6445409A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used

Abstract

PURPOSE:To provide the titled novel base plate composed of a (co)polymer containing more than a specific amount of a specific structural unit, having excellent heat-resistance, water-resistance, light-transmittance and birefringence and resistant to warpage, lowering of reflectivity, etc. CONSTITUTION:The objective base plate contains a (co)polymer containing >=25wt.%, preferably 30-80wt.% of a structural unit of formula I (preferably having a number-average mol.wt. of 20,000-500,000) and preferably containing other structural unit of formula II (R1 is H, CH3, F, Cl or CF3; R2 is 1-8C alkyl, 1-8C fluoroalkyl or 8-20C cycloalkyl) and formula III [R3 is group of formula IV (X and Y are H, CH3, F, Cl or CF3; p and q are 0-5; p+q=5)].
JP62200954A 1987-08-13 1987-08-13 Base plate for optical disk Pending JPS6445409A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62200954A JPS6445409A (en) 1987-08-13 1987-08-13 Base plate for optical disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62200954A JPS6445409A (en) 1987-08-13 1987-08-13 Base plate for optical disk

Publications (1)

Publication Number Publication Date
JPS6445409A true JPS6445409A (en) 1989-02-17

Family

ID=16433070

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62200954A Pending JPS6445409A (en) 1987-08-13 1987-08-13 Base plate for optical disk

Country Status (1)

Country Link
JP (1) JPS6445409A (en)

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