Patent ID: 6799735
Filing Date: 2004-10-05
Classification: C23C,H01L,Y10T

Abstract:
A nozzle plate member for supplying fluids in a dispersed manner, comprising:a plurality of plate-like metal members each having a fluid path and/or a branch for supplying fluids on the surface of the metal members; said metal members being provided with either one or both of (1) an annular groove or an annular protrusion on the periphery of the same surface of metal members and (2) an annular groove provided around the fluid path and/or a branch portion on a surface of one of the metal members and an annular protrusion provided around the fluid path and/or a branch on a surface of the metal member oppositely to the former; wherein the plurality of plate-like metal members are laminated by inserting the protrusions into the grooves and the laminated surfaces thereof are joined together by press forging to form metal bonding.