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US08876255B2 Orifice structure for fluid ejection device and method of forming same 有权
流体喷射装置的孔结构及其形成方法

Orifice structure for fluid ejection device and method of forming same
Abstract:
An orifice structure for a fluid ejection device includes a surface, an orifice formed through the surface, a first region of the surface projecting from the orifice, and a second region of the surface surrounding the first region, with the first region having a first surface energy, and the second region having a second surface energy higher than the first surface energy.
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