| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an inkjet recording head having a higher heat radiation property, and to provide a method of producing the inkjet recording head. <P>SOLUTION: The inkjet recording head 1 includes: an ink ejection part 2 that gives the ink with a pressure for ejecting the ink by applying heat; a substrate 3 having the ink ejection part 2 on a first surface 3a and at least one recess 9 on a second surface 3b at an opposite side to the first surface 3a; and a heat radiation member 8 that is the heat radiation member 8 releasing heat being transmitted from the ink ejection part 2 to the substrate 3 outside, having a protrusion 10 with a shape conforming to a shape of the recess 9 wherein the protrusion 10 is embedded in the recess 9 to be connected with the second surface 3b. <P>COPYRIGHT: (C)2012,JPO&INPIT |
