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Title:
B STAGE SHEET, METAL FOIL WITH APPLIED RESIN, METAL SUBSTRATE AND LED SUBSTRATE
Document Type and Number:
WIPO Patent Application WO/2012/002546
Kind Code:
A1
Abstract:
A B stage sheet is configured from a semi-cured epoxy resin composition that comprises epoxy resin with a biphenyl structure, curing agent having a partial structure represented by general formula (IIa), inorganic filler and elastomer. In the formula, m and n represent positive numbers and Ar represents a group represented by general formula (IIIa) or (IIIb). R11 and R14 represent hydrogen atoms or hydroxyl groups. R12 and R13 represent hydrogen atoms or alkyl groups.

Inventors:
TAKEZAWA, Yoshitaka (48, Wadai, Tsukuba-sh, Ibaraki 47, 〒3004247, JP)
竹澤 由高 (〒47 茨城県つくば市和台48 日立化成工業株式会社内 Ibaraki, 〒3004247, JP)
AMANUMA, Shinji (1150, Goshomiya, Chikusei-sh, Ibaraki 24, 〒3088524, JP)
天沼 真司 (〒24 茨城県筑西市五所宮1150番地 日立化成工業株式会社内 Ibaraki, 〒3088524, JP)
KOBAYASHI, Yuuji (13-1, Higashi-cho 4-chome, Hitachi-sh, Ibaraki 55, 〒3178555, JP)
小林 雄二 (〒55 茨城県日立市東町四丁目13番1号 日立化成工業株式会社内 Ibaraki, 〒3178555, JP)
TANAKA, Hiroyuki (1150, Goshomiya, Chikusei-sh, Ibaraki 24, 〒3088524, JP)
田仲 裕之 (〒24 茨城県筑西市五所宮1150番地 日立化成工業株式会社内 Ibaraki, 〒3088524, JP)
HARA, Naoki (13-1, Higashi-cho 4-chome, Hitachi-sh, Ibaraki 55, 〒3178555, JP)
Application Number:
JP2011/065227
Publication Date:
January 05, 2012
Filing Date:
July 01, 2011
Export Citation:
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Assignee:
Hitachi Chemical Company, Ltd. (1-1Nishi-Shinjuku 2-chome, Shinjuku-ku Tokyo, 49, 〒1630449, JP)
日立化成工業株式会社 (〒49 東京都新宿区西新宿2丁目1番1号 Tokyo, 〒1630449, JP)
TAKEZAWA, Yoshitaka (48, Wadai, Tsukuba-sh, Ibaraki 47, 〒3004247, JP)
竹澤 由高 (〒47 茨城県つくば市和台48 日立化成工業株式会社内 Ibaraki, 〒3004247, JP)
AMANUMA, Shinji (1150, Goshomiya, Chikusei-sh, Ibaraki 24, 〒3088524, JP)
天沼 真司 (〒24 茨城県筑西市五所宮1150番地 日立化成工業株式会社内 Ibaraki, 〒3088524, JP)
KOBAYASHI, Yuuji (13-1, Higashi-cho 4-chome, Hitachi-sh, Ibaraki 55, 〒3178555, JP)
小林 雄二 (〒55 茨城県日立市東町四丁目13番1号 日立化成工業株式会社内 Ibaraki, 〒3178555, JP)
TANAKA, Hiroyuki (1150, Goshomiya, Chikusei-sh, Ibaraki 24, 〒3088524, JP)
田仲 裕之 (〒24 茨城県筑西市五所宮1150番地 日立化成工業株式会社内 Ibaraki, 〒3088524, JP)
International Classes:
C08L63/00; B32B15/08; C08G59/24; C08G59/62; C08K3/22; H01L33/64
Attorney, Agent or Firm:
HIZATATE, Shoji et al. (TAIYO, NAKAJIMA & KATO Seventh Floor, HK-Shinjuku Bldg., 3-17, Shinjuku 4-chome, Shinjuku-k, Tokyo 22, 〒1600022, JP)
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Claims: