Patents Assigned to MITSUI MINING 7 SMELTING CO., LTD.
  • Publication number: 20060054349
    Abstract: To provide a COF film carrier tape which enables smooth conveyance of insulating film during a production step and prevents production failures, and to provide a method for producing the COF film carrier tape. In a COF film carrier tape including a continuous insulating film 12, a wiring pattern 21 formed of a conductor layer 11 provided on a surface of the insulating film 12, and a row of sprocket holes 22 along opposite longitudinal edges of the wiring pattern 21 on which electronic devices are to be mounted, a center section of the insulating layer 12 other than opposite longitudinal edges where the sprocket holes 22 are formed is provided with a support film 14 formed on another surface of the insulating film, which surface is opposite to the surface on which the wiring pattern 21 is provided.
    Type: Application
    Filed: June 23, 2003
    Publication date: March 16, 2006
    Applicant: MITSUI MINING 7 SMELTING CO., LTD.
    Inventor: Yutaka Iguchi