Title:
SCRATCH-RESISTANT PRECOATED METALLIC SHEET
Document Type and Number:
Japanese Patent JP3875985
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a precoated metallic sheet which scarcely causes a scratch on an optical disk even when the disk comes into contact with a protrusion of the inner surface of a drive of an electric or electronic device.
SOLUTION: This scratch-resistant precoated metallic sheet is a metallic sheet such as an aluminum alloy sheet with a chemical conversion film on the one surface thereof, wherein the film comprises a base resin, a bead resin, and a lubricant and has an arithmetic mean roughness Ra of 1.3 to 6.2 μm, an average length RSm of a profile curve element of 300 to 550 μm, and a coefficient of dynamic friction of 0.20 or lower.
Inventors:
Takehiro Ozawa
Shoji Saito
Shoji Saito
Application Number:
JP2005137121A
Publication Date:
January 31, 2007
Filing Date:
May 10, 2005
Export Citation:
Assignee:
Furukawa Sky Co., Ltd.
International Classes:
C23C26/00; G11B23/03
Domestic Patent References:
| JP10219188A | ||||
| JP8167320A | ||||
| JP2000186233A | ||||
| JP2002235040A | ||||
| JP3071835A | ||||
| JP2004217998A | ||||
| JP2004098624A | ||||
| JP2003242703A | ||||
| JP10106215A |
Attorney, Agent or Firm:
Kunihiko Ohashi
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