OPTICAL DATA STORAGE METHOD AND MATERIALS THEREFOR - Patent 0316394

(19)

(11)

EP 0 316 394 A1

(12)

(43)	Date of publication:
	24.05.1989 Bulletin 1989/21

(21)	Application number: 88904589.0

(22)	Date of filing: 27.05.1988

(51)

International Patent Classification (IPC):

G11B 7/ 00^{( . )}
G11B 7/ 004^{( . )}
G11B 7/ 24^{( . )}
G11B 7/ 30^{( . )}

B41M 5/ 26^{( . )}
G11B 7/ 0055^{( . )}
G11B 7/ 244^{( . )}

(86)	International application number:
	PCT/GB1988/000423

(87)	International publication number:
	WO 1988/009549 (01.12.1988 Gazette 1988/26)

(84)	Designated Contracting States:
	AT BE CH DE FR GB IT LI LU NL SE

(30)

Priority:

29.05.1987 GB 19870012687

(71)	Applicant: TRAQSON LIMITED
	London WC2A 1JB (GB)

(72)	Inventor:
	WALLACE, Stephen, Charles Toronto, Ontario M5R 2K4 (CA)

(74)	Representative: Garratt, Peter Douglas
	Mathys & Squire 100 Grays Inn Road London WC1X 8AL London WC1X 8AL (GB)

(54)	OPTICAL DATA STORAGE METHOD AND MATERIALS THEREFOR