Patents Represented by Law Firm Fitzpatrick, Chella, Harper & Scinto
  • Process for producing ink jet recording head
    Patent number: 5582678
    Abstract: An ink jet recording head wherein a substrate with a groove for forming an ink pathway connected to an orifice for discharging ink and a plate member are bonded so as to form the ink pathway bycharging the recessed portion of groove with a filling material;evening the upper surface of the substrate and the upper surface of said filling material;bonding the substrate and said plate member to the evened surface; andremoving said filling material therefrom.
    Type: Grant
    Filed: February 28, 1995
    Date of Patent: December 10, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hirokazu Komuro