Patent Number: 6,305,792

Title: Ink jet recording head

Abstract: In order to reduce a manufacturing cost of an ink jet type recording head by simplifying a structure of the ink jet type recording head and reducing the number of manufacturing steps thereof, to provide a capacity of an ink pool without increasing a size thereof, to make the freedom of nozzle layout high and to make the freedom of design by reducing a restriction on position and number of ink supply ports, the ink pool to which ink is supplied is formed in a rear surface of a nozzle plate having a front surface formed with a plurality of nozzles and an ink chamber plate is attached to the rear surface of the nozzle plate through discrete partition walls each defining a discrete space communicating with different one of the nozzles.

Inventors: Otsuka; Yasuhiro (Tokyo, JP), Kanda; Torahiko (Tokyo, JP), Okuda; Masakazu (Tokyo, JP), Takizawa; Fuminori (Tokyo, JP)

Assignee: NEC Corporation

International Classification: B41J 2/14 (20060101); B41S 002/045 ()

Expiration Date: 10/23/2018