Patent ID: 8162447

Claim:
A liquid ejection apparatus, comprising: a liquid ejection head; a plate-shaped flow path formation member having a first groove for a first liquid and a second groove for a second liquid different from the first liquid, the first groove and the second groove communicating with the liquid ejection head, wherein each of the first groove and the second groove has a bottom formed by the flow path formation member, wherein each of the first groove and the second groove has an opening on one side, wherein the bottom of the first groove has a first inlet port from which the first liquid is introduced into the first groove through the inside of the flow path formation member, and wherein the bottom of the second groove has a second inlet port from which the second liquid is introduced into the second groove through the inside of the flow path formation member, and a flexible film member sealing the openings of the first and second grooves to form first and second paths.