Patent ID: 9662885
Date: 2017-05-30
CPC Classifications: B41J,Y10T

Claim:
1. A process for producing a liquid ejection head, comprising: a first step of providing an element substrate including an element for generating energy to be utilized for ejecting a liquid, a wiring substrate electrically connected to the element substrate by a lead wire, and a support member including a first support portion and a second support portion which includes a tip surface of a projected portion projected with respect to the first support portion; a second step of applying a sealant to the tip surface of the second support portion, the second step being performed after the first step; a third step of placing the element substrate on the first support portion to which an adhesive is applied and embedding the lead wire in the sealant applied to the tip surface of the second support portion, the third step being performed after the second step; and a fourth step of curing the sealant in which the lead wire is embedded, the fourth step being performed after the third step.