Title: Optical parts, optical recording medium and method for manufacture thereof
Application Number: 200480035096 Application Date: 2004.11.18
Publication Number: 1886683 Publication Date: 2006.12.27
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G02B5/32,G03H1/02
Applicant(s) Name: TDK Corp. Address:
Inventor(s) Name: Mizushima Tetsuro, Miura Hideaki, Tsukagoshi Takuy
Attorney & Agent: lei zhigang
Abstract:
     When an optical material layer such as an organic-inorganic hybrid material or the like is used as an optical part or an optical recording medium, the above method can be employed for resolving the adverse effect of the unevenness in the thickness of the layer caused in a drying step. A method for manufacturing an optical recording medium (20) which comprises providing an organic-inorganic hybrid material layer (12) on a substrate (10) by application and drying, covering the hybrid material layer with an organic silicon resin (16), and then laminating a light-transmitting substrate (18) on said organic silicon resin (16), wherein the hybrid material layer (12) and the organic silicon resin (16)are so selected as to have a little difference in refractive index and thus to be optically continuous and conform with each other, thereby resolving the effect of the unevenness in the thickness of the hybrid material layer (12).
Time: 10