Robot blade
A robot blade is provided. The robot blade has a plate for containing a wafer and a plurality of bumps disposed on the plate align to an edge of the wafer. Each bump has a surface to directly contact the backside of the wafer, wherein the surface has a roughness from about 20 micro inches to about 5...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | A robot blade is provided. The robot blade has a plate for containing a wafer and a plurality of bumps disposed on the plate align to an edge of the wafer. Each bump has a surface to directly contact the backside of the wafer, wherein the surface has a roughness from about 20 micro inches to about 50 micro inches. |
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