G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 7/24 (2006.01) G11B 7/0037 (2006.01) G11B 7/257 (2006.01)
Patent
CA 2415710
This invention is a write-once near-field optical medium using a zinc oxide nano-structured thin film as the localized near-field optical interaction layer. This write-once near-field optical medium is a multi-layered body at least comprising: (a) a substrate of transparent material; (b) a first protective and spacer layer formed on one surface of the substrate, which is made of transparent dielectric material; (c) a zinc oxide nano-structured thin film which is capable of causing localized near-field optical interactions; (d) a second protective and spacer layer formed on the localized near-field optical interaction layer, which is also made of transparent dielectric material; (e) a write-once recording layer; (f) a third protective and spacer layer formed on the write-once recording layer, which is also made of transparent dielectric material. Ultra-high density near-field optical recording can be achieved by the localized near-field optical interactions of the zinc-oxide (ZnO) nano- structured thin film that is in the near-field region of the write-once recording layer.
Chang Hsun-Hao
Lin Wei-Chih
Lin Yu-Hsuan
Tsai Din-Ping
Deeth Williams Wall Llp
National Science Council
National Taiwan University
LandOfFree
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