Fujimi Kenmazai Kogyo Kabushiki Kaisha

Fujimi Kanmazai Kogyo Kabushiki Kaisha of Japan

Takashi Baba

Tetsuji Senda

Toshiki Oowaki

Hirohito Kitano

A composition for polishing a layer of non-electrolysis nickel plating, an alumite layer or an aluminium substrate in a memory hard disc, the composition comprising water, a polishing agent of aluminium oxide, and a polishing accelerator of one of nickel nitrate and aluminium nitrate, or two compounds, nickel nitrate and aluminium nitrate, or two compounds, nickel sulfate and aluminium nitrate.

Process for polishing surface of memory hard disc

A composition for polishing a layer of non-electrolysis nickel plating, an alumite layer or an aluminum substrate in a memory hard disc the composition comprising water, a polishing agent of aluminum oxide, and a polishing accelerator of one of nickel nitrate and aluminum nitrate, or two compounds, nickel nitrate and aluminum nitrate, or two compounds, nickel sulfate and aluminum nitrate.

Polishing composition for memory hard disc

A composition for polishing a plastic product, a layer of non-electrolysis nickel plating, an alumite layer or an aluminum product comprises water, a polishing agent of aluminum oxide and a polishing accelerator of nickel sulfate, and is neutral or weak acid.

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Aichi, Japan

Takashi Baba