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Patent Searching and Data


Title:
PERFORATED ALUMINUM FOIL
Document Type and Number:
WIPO Patent Application WO/2011/004777
Kind Code:
A1
Abstract:
Disclosed is a perforated aluminum foil which has high strength and a plurality of through holes, since the perforated aluminum foil has a high cube orientation occupancy in spite of a thin foil thickness. Specifically disclosed is a perforated aluminum foil which is composed of 5-80 ppm by weight of Fe, 5-100 ppm by weight of Si and 10-100 ppm by weight of Cu, with the balance made up of Al and unavoidable impurities. The perforated aluminum foil is characterized in that: (1) the foil thickness is not more than 50 μm; (2) the foil has a plurality of through holes penetrating therethrough from the front surface to the back surface; and (3) the ratio of the vertical through hole occupancy (c) (%) to the foil thickness (t) (μm) in the perforated aluminum foil, namely c/t is not less than 1.4.

Inventors:
KONISHI, Atsushi (6-8 Kyutaromachi 3-chome, Chuo-ku, Osaka-sh, Osaka 56, 〒5410056, JP)
小西 敦志 (〒56 大阪府大阪市中央区久太郎町3丁目6番8号 東洋アルミニウム株式会社内 Osaka, 〒5410056, JP)
Application Number:
JP2010/061355
Publication Date:
January 13, 2011
Filing Date:
July 03, 2010
Export Citation:
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Assignee:
TOYO ALUMINIUM KABUSHIKI KAISHA (6-8 Kyutaromachi 3-chome, Chuo-ku Osaka-sh, Osaka 56, 〒5410056, JP)
東洋アルミニウム株式会社 (〒56 大阪府大阪市中央区久太郎町3丁目6番8号 Osaka, 〒5410056, JP)
KONISHI, Atsushi (6-8 Kyutaromachi 3-chome, Chuo-ku, Osaka-sh, Osaka 56, 〒5410056, JP)
International Classes:
C22C21/00; H01G11/68; H01G11/70; H01M4/66
Foreign References:
JP2004207117A
JPH06306520A
JPH10189396A
JPH08260117A
JPH07268525A
Attorney, Agent or Firm:
FUJII, Atsushi (Shinosaka-meikou-building 8F, 4-3-12 Miyahara, Yodogawa-ku, Osaka-sh, Osaka 03, 〒5320003, JP)
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