The Dow Chemical Company

Csk Corporation

Takayuki Kawamura

Do I Lee

Edwin F Stevens

A recording format for an optical recording medium having a rectangular data recording region capable of containing n data-bit lines. In the recording format, the data recording region is sectioned into bands having a width corresponding to an appropriate number of data-bit lines to form blocks. Each of the blocks is provided with an identifier to allow the access by block units. Each of the blocks may be formed of a group of data-bit lines and check bit line. Each block may have a plurality of sectors. The blocks may be sectioned by boundary information lines having a specific code pattern.

Recording format for optical recording medium

Structural latexes exhibit good heat and light stability and good physical properties. For example, a styrene/butadiene polymer network is polymerized in a continuous network comprising an essentially hydrophilic polymer. The microdomains of each polymer network within the latex particle are described as an interpenetrating polymer network.

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Tokyo, Japan

Takayuki Kawamura