US Patent 7324412 Actuator using focusing-substrate

Patent 7324412 was granted and assigned to Samsung on January, 2008 by the United States Patent and Trademark Office.

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Patent Inventor Names

Do-Sun Nam0

Goo Hong0

Jang-Young Im0

Jeen-Gie Kim0

Young-Bok Yoon0

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Patent abstract

An actuator includes a focusing-substrate having a focusing coil pattern for generating focusing driving force, the focusing-substrate being provided with a land part and a hole through which laser beams pass, tracking coils for generating tracking driving force, the tracking coils being wound around opposite sides of the focusing substrate in parallel with the a wire direction, magnets for providing magnetic force to the focusing coil pattern and the tracking coils, and a yoke plate provided with a pair of first yokes for fixing the magnets.

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=073244120

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