Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroto Sugahara0
Date of Patent
March 2, 2010
0Patent Application Number
116548100
Date Filed
January 18, 2007
0Patent Primary Examiner
Patent abstract
A head is formed by stacking a plurality of plates including a cavity plate and a manifold plate, and includes a plurality of manifolds formed in the manifold plate, a communicating channel which makes the manifolds formed in the manifold plate communicate, and a plurality of pressure chambers formed in the cavity plate, which communicate with the manifold. Each pressure chamber is isolated by a partition wall of the cavity plate. Since the communicating channel and the pressure chambers are formed at different positions in terms of height, it is possible to widen a width of the communicating channel without widening an interval between the pressure chambers, and it is possible to accelerate a movement of a liquid between the manifolds.
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