INFORMATION RECORDING MEDIUM AND METHOD FOR PRODUCING SAME, AND INFORMATION RECORDING MATERIAL

WIPO Patent Application WO/2011/155574

A1

Provided are an information recording medium which is excellent for long-term storage and with which high-density recording is possible, a method for producing the information recording medium, and an information recording material. A recording mark is formed by condensing pulse laser light onto a recording layer obtained by polymerization of a curing agent and a thermosetting epoxy resin having a highly two-dimensional skeleton. It is possible to reduce the distance between recording marks (voids) by bringing the molecular weight between crosslinking points in the cured product of the recording layer to 2,000 or less, preferably 500 or less.

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HATSUDA, Kouki (Gate City Osaki East Tower 8F., 1-11-2, Osaki, Shinagawa-k, Tokyo 32, 〒1410032, JP)
初田　弘毅 (〒32 東京都品川区大崎１丁目１１番２号　ゲートシティ大崎イーストタワー８階　ソニーケミカル＆インフォメーションデバイス株式会社内 Tokyo, 〒1410032, JP)

JP2011/063285

December 15, 2011

June 09, 2011

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SONY CHEMICAL & INFORMATION DEVICE CORPORATION (Gate City Osaki, East Tower 8F. 1-11-2, Osaki, Shinagawa-k, Tokyo 32, 〒1410032, JP)
ソニーケミカル＆インフォメーションデバイス株式会社 (〒32 東京都品川区大崎１丁目１１番２号　ゲートシティ大崎イーストタワー８階 Tokyo, 〒1410032, JP)
HATSUDA, Kouki (Gate City Osaki East Tower 8F., 1-11-2, Osaki, Shinagawa-k, Tokyo 32, 〒1410032, JP)

G11B7/244; B41M5/26; G11B7/125; G11B7/24; G11B7/26

KOIKE, Akira et al. (32F, St. Luke's Tower 8-1, Akashi-cho, Chuo-k, Tokyo 44, 〒1040044, JP)

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