| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a highly reliable liquid injection head eliminating peeling of a cover plate and discharge failure with respect to temperature change in a use environment and during movement. <P>SOLUTION: The liquid injection head 1 includes: an actuator base plate 3 having a plurality of channels 11 which are formed on the surface, are constituted of grooves 13 and are arranged in one direction; and the cover plate 2 which has a plurality of liquid supply holes 7a, 7b used for supplying liquid to the channels 11 and arranged to be spaced from each other in one direction, and which is joined to the surface of the actuator base plate 3. A first recess M1 is installed on a surface of a spaced region SR where the plurality of liquid supply holes 7a, 7b of the cover plate 2 are spaced from each other. <P>COPYRIGHT: (C)2012,JPO&INPIT |
