(19)
(11) EP 0 909 445 A1

(12)

(43) Date of publication:
21.04.1999 Bulletin 1999/16

(21) Application number: 97928753.0

(22) Date of filing: 29.05.1997
(51) International Patent Classification (IPC): 
C03C 17/ 22( . )
C23C 16/ 26( . )
G11B 5/ 72( . )
H01J 27/ 18( . )
 C23C 14/ 32( . )
C23C 16/ 27( . )
G11B 5/ 84( . )
H01J 37/ 08( . )
(86) International application number:
PCT/US1997/009375
(87) International publication number:
WO 1997/045834 (04.12.1997 Gazette 1997/52)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 31.05.1996 US 19960018793P
31.05.1996 US 19960018746P
10.12.1996 US 19960761336
10.12.1996 US 19960761338

(71) Applicant: AKASHIC MEMORIES CORPORATION
San Jose, CA 95164-0310 (US)

(72) Inventors:
  • VEERASAMY, Vijayen
    Farmington Hills, MI 48335-2414 (US)
  • WEILER, Manfred
    D-01833 Elbersdorf (DE)
  • LI, Eric
    Palo Alto, CA 94306 (US)

(74) Representative: Eggert, Hans-Gunther, Dr. 
Räderscheidtstrasse 1
50935 Köln
50935 Köln (DE)

   


(54) RECORDING MEDIA HAVING PROTECTIVE OVERCOATS OF HIGHLY TETRAHEDRAL AMORPHOUS CARBON AND METHODS FOR THEIR PRODUCTION