Patent ID: 6349239
Filing Date: 2002-02-19
Classification: B41J

Abstract:
A method for manufacturing a liquid jet recording head provided with an element substrate having an array of discharge energy generating elements, and a ceiling plate having discharge ports and flow path grooves arranged in lines, the liquid jet recording head being formed by the element substrate and the ceiling plate being fixed together after positioning the discharge energy generating elements on the element substrate and the flow path grooves on the ceiling plate to present a specific positional relationship, the method comprising the following steps of:measuring a distance from a specific discharge energy generating element on the element substrate to an end face of the element substrate in an arrangement direction of the discharge energy generating elements, calculating a difference between the measured distance and a distance from an abutment reference of the ceiling plate to one of a specific flow path groove and a discharge port corresponding to the specific discharge energy generating element, and storing the calculated value; overlaying the element substrate and the ceiling plate, and enabling the abutment reference of the ceiling plate in an arrangement direction of the flow path grooves to abut upon the end face of the element substrate; and moving relatively for retraction the end face of the element substrate in a direction such that the end face separates from the abutment reference in accordance with a result of said calculating step, thereby positioning the element substrate relative to the ceiling plate.