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Assignees(Dongguan) Grand Fame Industrial Limited, Zoltrix Material (Guangzhou) Limited
InventorsChi Hung Kevin LIU, Chi Hung HO
Estimating the term…
A method of manufacturing a workpiece with multiple metal layers is disclosed as including steps (a) providing a mold with at least a runner and a cavity, (b) providing in the cavity of the mold a first metal layer made of a first metal, the first metal layer having a surface which is roughened and/or includes an engagement structure, and (c) injecting a molten second metal onto the surface of the first metal layer to form a second metal layer on the first metal layer in which the second metal layer engages with the roughened surface of the first metal layer or with the engagement structure of the surface of the first metal layer, and the molten second metal enters the cavity of the mold at a speed of at least 70 meters per second (m/s).
A workpiece with multiple metal layers, said workpiece being formed by injecting at least a second metal layer onto a first metal layer, wherein each of said first metal layer and second metal layer includes at least one engagement structure.
A workpiece with multiple metal layers, said workpiece being formed by injecting at least a second metal layer onto a first metal layer, wherein said second metal layer is of a thickness of not more than substantially 0.5 mm.
Dependencies are inferred from the claim text.