LIQUID EJECTION HEAD

原文（中文）

A liquid ejection head includes an ejection substrate including an ejection port row in a first surface, the ejection port row having a plurality of ejection ports configured to eject liquid arranged in the ejection port row, and a protective member configured to be bonded to the first surface of the ejection substrate via an adhesive, the protective member including a first opening corresponding to the ejection port row. The protective member further includes a second opening between the first opening and an outer edge of the protective member and outside a region where the ejection ports are formed, when viewed from a direction perpendicular to the first surface.