Title:
INFORMATION RECORDING MEDIUM, PROCESS FOR PRODUCING THE SAME AND OPTICAL INFORMATION RECORDING AND REPRODUCING DEVICE
Document Type and Number:
WIPO Patent Application WO/2004/036569
Kind Code:
A1
Abstract:
An information recording medium comprising recording zones capable of three-dimensional information recording, the recording zones (3) comprising at least one recording layer (1a-1f) containing titanium oxide. The titanium oxide is preferably a titanium oxide of at least one of anatase and brookite types. The recording layer (1a-1f) may consist substantially of titanium oxide or may comprise titanium oxide and a low-refractive-index material whose refractive index is lower than that of titanium oxide.
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Inventors:
SHIONO TERUHIRO (JP)
YAMAMOTO HIROAKI (JP)
NISHINO SEIJI (JP)
MITSUYU TSUNEO (JP)
ITO TATSUO (JP)
YAMAMOTO HIROAKI (JP)
NISHINO SEIJI (JP)
MITSUYU TSUNEO (JP)
ITO TATSUO (JP)
Application Number:
PCT/JP2003/011172
Publication Date:
April 29, 2004
Filing Date:
September 01, 2003
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
SHIONO TERUHIRO (JP)
YAMAMOTO HIROAKI (JP)
NISHINO SEIJI (JP)
MITSUYU TSUNEO (JP)
ITO TATSUO (JP)
SHIONO TERUHIRO (JP)
YAMAMOTO HIROAKI (JP)
NISHINO SEIJI (JP)
MITSUYU TSUNEO (JP)
ITO TATSUO (JP)
International Classes:
G11B7/005; G11B7/24; G11B7/24035; G11B7/24038; G11B7/243; G11B7/2433; G11B7/26; G11B7/0045; (IPC1-7): G11B7/24; G11B7/0045; G11B7/005; G11B7/26
Foreign References:
| JP2002288901A | 2002-10-04 | |||
| JP2000081682A | 2000-03-21 | |||
| JPH05307222A | 1993-11-19 | |||
| JPH05273690A | 1993-10-22 | |||
| JPH08220688A | 1996-08-30 | |||
| JP2000036133A | 2000-02-02 | |||
| JPH11232706A | 1999-08-27 | |||
| JPH06333259A | 1994-12-02 | |||
| JPH0778353A | 1995-03-20 | |||
| JPH05101398A | 1993-04-23 |
Other References:
See also references of EP 1553577A4
Attorney, Agent or Firm:
IKEUCHI SATO & PARTNER PATENT ATTORNEYS (OAP TOWER 8-30, Tenmabashi 1-chome, Kita-k, Osaka-shi Osaka, JP)
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