Title:
FILM WITH METAL FILM
Document Type and Number:
WIPO Patent Application WO/2010/024370
Kind Code:
A1
Abstract:
Disclosed is a method for manufacturing a circuit board, wherein an insulating layer and a metal film layer having excellent adhesion to the insulating layer and excellent uniformity can be formed efficiently. The method exhibits excellent laser processability during formation of a blind via by laser. Also disclosed are a film with a metal film and an adhesive film with a metal film, which are used in the method for manufacturing a circuit board.
Specifically disclosed is a film with a metal film comprising a supporting layer, a releasing layer formed on the supporting layer, and a metal film layer formed on the releasing layer, said film with a metal film being characterized in that at least a surface of the releasing layer, which is in contact with the metal film layer, is composed of one or more water-soluble resins selected from water-soluble cellulose resins, water-soluble polyester resins and water-soluble acrylic resins, and that the water-soluble resins contain one or more materials selected from metal compound powders, carbon powders, metal powders and black dyes. Also specifically disclosed is an adhesive film with a metal film wherein a curable resin composition layer is formed on the metal film layer of the film with a metal film.
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Inventors:
NARAHASHI, Hirohisa (INC. 1-1, Suzuki-cho, Kawasaki-ku, Kawasaki-sh, Kanagawa 81, 〒2108681, JP)
奈良橋 弘久 (〒81 神奈川県川崎市川崎区鈴木町１－１ 味の素株式会社内 Kanagawa, 〒2108681, JP)
YASUDA, Ayami (INC. 1-2, Suzuki-cho, Kawasaki-ku, Kawasaki-sh, Kanagawa 01, 〒2100801, JP)
安田 文美 (〒01 神奈川県川崎市川崎区鈴木町１－２ 味の素ファインテクノ株式会社内 Kanagawa, 〒2100801, JP)
奈良橋 弘久 (〒81 神奈川県川崎市川崎区鈴木町１－１ 味の素株式会社内 Kanagawa, 〒2108681, JP)
YASUDA, Ayami (INC. 1-2, Suzuki-cho, Kawasaki-ku, Kawasaki-sh, Kanagawa 01, 〒2100801, JP)
安田 文美 (〒01 神奈川県川崎市川崎区鈴木町１－２ 味の素ファインテクノ株式会社内 Kanagawa, 〒2100801, JP)
Application Number:
JP2009/065031
Publication Date:
March 04, 2010
Filing Date:
August 28, 2009
Export Citation:
Assignee:
AJINOMOTO CO., INC. (15-1, Kyobashi 1-chome Chuo-k, Tokyo 15, 〒1048315, JP)
味の素株式会社 (〒15 東京都中央区京橋一丁目１５番１号 Tokyo, 〒1048315, JP)
NARAHASHI, Hirohisa (INC. 1-1, Suzuki-cho, Kawasaki-ku, Kawasaki-sh, Kanagawa 81, 〒2108681, JP)
奈良橋 弘久 (〒81 神奈川県川崎市川崎区鈴木町１－１ 味の素株式会社内 Kanagawa, 〒2108681, JP)
YASUDA, Ayami (INC. 1-2, Suzuki-cho, Kawasaki-ku, Kawasaki-sh, Kanagawa 01, 〒2100801, JP)
味の素株式会社 (〒15 東京都中央区京橋一丁目１５番１号 Tokyo, 〒1048315, JP)
NARAHASHI, Hirohisa (INC. 1-1, Suzuki-cho, Kawasaki-ku, Kawasaki-sh, Kanagawa 81, 〒2108681, JP)
奈良橋 弘久 (〒81 神奈川県川崎市川崎区鈴木町１－１ 味の素株式会社内 Kanagawa, 〒2108681, JP)
YASUDA, Ayami (INC. 1-2, Suzuki-cho, Kawasaki-ku, Kawasaki-sh, Kanagawa 01, 〒2100801, JP)
International Classes:
B32B15/08; C23C14/14; H05K1/03; H05K3/00; H05K3/20; H05K3/46
Attorney, Agent or Firm:
TAKASHIMA, Hajime (Meiji Yasuda Seimei Osaka Midosuji Bldg, 1-1 Fushimimachi 4-chome, Chuo-ku, Osaka-sh, Osaka 44, 〒5410044, JP)
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