Patent ID: 8083314

Claim:
An ink jet head for being mounted on a recording apparatus, comprising: a recording element substrate comprising ejection outlets for ejecting ink and an electrical connecting portion being provided at an outer portion of said recording element substrate; an electric wiring member comprising a plurality of wiring lines therein and comprising inner leads, wherein an end portion of said electric wiring member is electrically connected to an end portion of said recording element substrate by the inner leads of said electric wiring member; a supporting member comprising an outer surface, a first recess which is provided in the outer surface to accommodate said recording element substrate, and a second recess which is provided in the outer surface with a depth less than that of the first recess to accommodate the end portion of said electric wiring member; and a sealant for sealing a spacing between the second recess and the end portion of said electric wiring member, at least a portion of the sealant being provided in the second recess, wherein said electric wiring member, the portion of said sealant and the outer surface of said supporting member define a region to which a cap member, provided to the recording apparatus, for covering the ejection outlets is to be contacted.