Patent ID: 6244696
Filing Date: 2001-06-12
Classification: B41J

Abstract:
A print cartridge for an inkjet printer comprising:a flexible circuit having a nozzle member formed therein, said nozzle member including a plurality of ink orifices and the flexible circuit having electrical leads;a substrate containing a plurality of heating elements and associated ink vaporization chambers, said substrate having electrodes to which the electrical leads are bonded, said substrate mounted on a back surface of said nozzle member, each heating element being located proximate to an associated ink orifice, said back surface of said nozzle member extending over two or more outer edges of said substrate;a print cartridge body having a headland portion located proximate to the back surface of said nozzle member and including an inner raised wall circumscribing the substrate, the inner raised wall having wall openings therein, said wall openings having a support surface; and an elevated substrate support surface raised above said support surface for supporting the substrate;an adhesive layer between the back surface of said nozzle member and the headland to affix said nozzle member to said headland, said adhesive layer located on the inner raised wall and along the support surface within the wall openings therein and on the elevated substrate support surface, so as to encapsulate the ends of the substrate.