Optical recording medium having protective and/or adhesive...

Details Optical recording medium having protective and/or adhesive... Optical recording medium having protective and/or adhesive...

2007-07-17

2007-07-17

Dinh, Tan (Department: 2627)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

C369S283000, C428S064400

Reexamination Certificate

active

10384452

ABSTRACT:
An optical recording medium including a substrate having guide groove thereon; a first protective layer located overlying the substrate; a recording layer located overlying the first protective layer; a second protective layer located overlying the recording layer; a third protective layer of from 2 to 9 nm thick located overlying the second protective layer and comprising Si in an amount not less than 35 atomic percent; and a reflection layer including Ag in an amount not less than 95% by weight. An overcoat layer having a glass transition temperature of from 90° C. to 180° C. is preferably formed overlying the reflection layer. A method for manufacturing the optical recording medium is also provided.

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