| 摘要 |
PROBLEM TO BE SOLVED: To solve problems such as hardening inhibition occurring between sealants when various kinds of sealants are applied and influence of swelling of the sealants on a channel member.SOLUTION: A liquid discharge head includes: a first sealant which seals a lower part of an electric connection part; a third sealant which seals an upper region of the electric connection part; and a second sealant which seals a side surface located on the side, at which the electric connection part is not formed, from among side surfaces of a substrate. The elastic modulus of the third sealant is larger than the elastic modulus of the first sealant, and the elastic modulus of the second sealant is smaller than the elastic modulus of the first sealant. The first sealant and the third sealant include the same kind of resin. |
