Patent Number: 6,332,671

Title: Ink jet recording head and method of manufacturing the same

Abstract: An ink jet recording head of the type in which a passage unit is formed as a layer structure made up of a passage forming plate and an elastic plate. The elastic plate is formed with a thick portion and a thin film portion. The thick portion bonded to the common ink chamber is used as a beam structure deformable toward the common ink chamber. The beam structure is deformed to create a flexure in a thin film sealing the common ink chamber.

Inventors: Takahashi; Tomoaki (Nagano, JP), Okazawa; Noriaki (Nagano, JP), Tanaka; Ryoichi (Nagano, JP)

Assignee: Seiko Epson Corporation

International Classification: B41J 2/14 (20060101); B41J 2/16 (20060101); B41J 002/45 ()

Expiration Date: 12/25/2018