| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an inkjet recording head which can downsize a recording head while suppressing a temperature increase in an entire recording element substrate. <P>SOLUTION: Out of ink supply port rows formed to be partitioned by nozzle rows, thermal resistance is reduced in parts (beams) of the recording element substrates between the ink supply ports of the ink supply port rows close to the end of a common liquid chamber. <P>COPYRIGHT: (C)2013,JPO&INPIT |
