Film, optical memory material with the film, and method for...

Details Film, optical memory material with the film, and method for... Film, optical memory material with the film, and method for...

2007-02-13

2007-02-13

Hess, Bruce H. (Department: 1774)

Coating processes

Fluorescent or phosphorescent coating

C264S021000, C427S425000, C428S690000

Reexamination Certificate

active

10808517

ABSTRACT:
Disclosed is a film comprising PMMA and a fluorescent substance having a xanthene skeleton and a lactone ring and/or a fluorescent substance having a xanthene skeleton and a group —COOR, where R represents a hydrogen atom or a substituent, capable of forming an intramolecular lactone ring, said fluorescent substances being dispersed in the PMMA. The film is useful as an optical memory.

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patent: 2005/0003133 (2005-01-01), Akiba et al.
Dvornikov, et al., “Materials and Systems for Two Photon 3-D ROM Devices”, Jun. 1997, IEEE Transactions on Components, Packaging, and Manufacturing Technology, Part A, vol. 20, No. 2, pp. 203-212.
Tanaka, et al., “Rhodamine-B-doped and Au(III)-doped PMMA film for three-dimensional mulit-layered optaical memory”, Oct. 2002, Optics Communications, ol. 212, Issues 1-3, pp. 45-50.

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