Patent ID: 6113214
Filing Date: 2000-09-05
Classification: B41J

Abstract:
An ink jet recording head, comprising:a recording element substrate having a plurality of recording elements and a plurality of connecting electrodes respectively connected to said recording elements, arranged on a surface thereof;a driving element substrate having a plurality of driving elements to drive said recording elements and a plurality of connecting electrodes respectively connected to said driving elements, arranged on a surface thereof;a ceiling plate having an ink chamber formed thereon to retain ink to be supplied to a plurality of ink paths conductively and respectively connected with a plurality of discharge ports for discharging ink, said ceiling plate being arranged on said recording element substrate;a first base plate to hold said driving element substrate; anda second base plate to hold said recording element substrate,wherein said recording element substrate and said driving element substrate are pressed together such that said surface of said recording element substrate faces said surface of said driving element substrate, thereby connecting together in direct contact said connecting electrodes of said recording element substrate and said connecting electrodes of said driving element substrate, andwherein said recording element substrate, said driving element substrate, said ceiling plate, said first base plate and said second base plate are substantially composed of a same material.