Patent ID: 6550132
Filing Date: 2003-04-22
Classification: B41J,Y10T

Abstract:
A manufacturing method of an ink-jet recording head which comprises:a substrate having energy generating elements for ejecting ink; a top board for forming liquid paths by connecting said substrate; and an ejecting port forming plate having ejecting ports communicating said liquid paths for ejecting ink; said manufacturing method comprising the steps of: forming a water repellant layer on a plate member constituting said ejecting port forming plate, masking a peelable sheet member having an adhesive layer, on a surface of said water repellant layer of said plate member, forming openings constituting said ejecting ports on said plate member, said water repellent layer, and said peelable sheet member by irradiating laser light, and peeling off said peelable sheet member from said water-repellant layer and said plate member.