Write-once-read-many optical recording media and process for recording and reproducing information on the media

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6933032
APP PUB NO 20040265532A1
SERIAL NO

10824227

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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For recording information at high density even at blue-laser wavelengths, a write-once-read-many optical recording medium includes a first inorganic thin film and at least one of a second inorganic thin film and an organic thin film, in which the first inorganic thin film contains at least 'R' and 'O,' wherein 'R' is at least one selected from Y, Bi, In, Mo, V and lanthanum series elements; and 'O' is oxygen atom, and the second inorganic thin film and the organic thin film are capable of suppressing at least one of deformation and breakage of the first inorganic thin film and receiving the change of state of the first inorganic thin film.

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Patent Owner(s)

  • RICOH COMPANY, LTD.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujii, Toshishige Kanagawa, JP 30 206
Hayashi, Yoshitaka Kanagawa, JP 55 815
Kamezaki, Hisamitsu Kanagawa, JP 20 123
Komoda, Hirotaka Osaka, JP 2 20
Sasa, Noboru Kanagawa, JP 34 286
Tanaka, Kawori Kanagawa, JP 6 37
Watada, Atsuyuki Shizuoka, JP 19 290

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