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Title:
貫通構造を有する薄膜化回路基板の製造方法と保護用粘着テープ
Document Type and Number:
Japanese Patent JP4234630
Kind Code:
B2
Abstract:
A method of manufacturing a thin-film circuit substrate, containing: (a) gouging a surface of a circuit substrate in a depth at least approximately equal to a thickness of a final product of the substrate, to form a section to be formed a penetrating section; (b) providing a protecting adhesive tape to adhere to the gouged surface of the substrate, before a backing surface of the substrate is ground; (c) grinding the backing surface in such a thickness that the gouged section would not penetrate; (d) dry etching entirely the backing surface, while the tape adheres to the substrate, after completion of the grinding for the backing surface; and (e) making the gouged section of the substrate to penetrate, by the dry etching, thereby forming the penetrating structure section; and, a protecting adhesive tape usable in the method.

Inventors:
Shinichi Ishiwata
Inada Masakatsu
Application Number:
JP2004106510A
Publication Date:
March 04, 2009
Filing Date:
March 31, 2004
Export Citation:
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Assignee:
THE FURUKAW ELECTRIC CO.,LTD.
International Classes:
B24B7/22; H01L21/301; B23K26/38; B23K26/40; C09J7/02; C09J7/20; C09J7/38; C09J201/00; H05K3/00
Domestic Patent References:
JP8020756A
JP7106285A
JP8330257A
JP2002319554A
JP2003007649A
JP2003007648A
JP2002075942A
JP2000294522A
JP2001210701A
JP2000038556A
Attorney, Agent or Firm:
Toshizo Iida