Patent ID: 6626524
Filing Date: 2003-09-30
Classification: B41J

Abstract:
An ink jet recording head, comprising:a vibrator unit, in which at least one piezoelectric vibrator is fixed on a base member in a cantilevered manner, such that a first region of the piezoelectric vibrator is fixed on a first face of the base member; and a resin case, formed with a housing space extending through a first end face to a second end face thereof, the housing space including: a first housing part, which opens to the first end face of the case, in which the piezoelectric vibrator is housed; a second housing part, which continues to the first housing part, the second housing part defined by a first inner face extending in a first direction which is parallel with an extending direction of the piezoelectric vibrator, on which a first part of a second face of the base member which is opposite to the first face of the base member is bonded, and a second inner face of the second housing extending in a second direction which is perpendicular to the first direction, on which a part of a third face of the base member which connects the first face of the base member and the first part of the second face of the base member is bonded; and a third housing part, which continues to the second housing part, the third housing part being isolated from a part of the base member which includes a second part of the second face, wherein the second part of the second face of the base member is larger than the first part of the second face of the base member.