Optical head disk device
AssigneeFunai Electric Co., Ltd.
InventorTsutomu Matsui
Life of this patent
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Abstract
The optical head device for carrying recording/reproducing of data by irradiating a recording face of an optical disk with a laser beam, includes a base frame provided with an optical system for guiding the laser beam to the optical disk; and a sub-frame provided with a semiconductor laser for and fixed to the base frame. In this optical head device, a diamond-like carbon (DLC) film is formed on the mating faces of the base frame and the sub-frame, respectively.
Claims5
An optical head device for carrying out recording or reproducing of data by irradiating a recording face of an optical disk with a laser beam, comprising:
- a base frame provided with an optical system for guiding the laser beam to the optical disk;
- and
- a sub-frame provided with a laser output element for outputting the laser bema and fixed to said base frame, wherein
- a diamond-like carbon film is formed on at least one of mating faces of said base frame and said sub-frame.
An optical head device for carrying out recording or reproducing of data by irradiating a recording face of an optical disk with a laser beam, comprising:
- a base frame provided with an optical system for guiding the laser beam to the optical disk;
- and
- a sub-frame provided with a laser output element for outputting the laser bema and fixed to said base frame, wherein
- at least one of mating faces of said base frame and said sub-frame is formed of a graphite plate, and fullerene gel or fullerene sol is applied to the mating face.
An optical head device for carrying out recording or reproducing of data by irradiating a recording face of an optical disk with a laser beam, comprising:
- a base frame provided with an optical system for guiding the laser beam to the optical disk;
- and
- a sub-frame provided with a laser output element for outputting the laser bema and fixed to said base frame, wherein
- one of mating faces of said base frame and said sub-frame is made of a member of Mohs hardness of 9 or more whereas the other thereof is made of a member of Mohs hardness of 6.
An optical head device for carrying recording or reproducing of data by irradiating a recording face of an optical disk with a laser beam, comprising:
- a base frame provided with an optical system for guiding the laser beam to the optical disk;
- and
- a sub-frame provided with a laser output element for outputting the laser bema and fixed to said base frame, wherein
- lubricant doped is applied to mating faces of said base frame and said sub-frame.
Dependencies are inferred from the claim text.