Patent ID: 7682224

Claim:
A method of machining a substrate provided at a face-side surface with an appendant part including a protruding metal formed to protrude from said face-side surface, and a resin part surrounding said protruding metal and having a height in excess of the protrusion amount of said protruding metal, said method comprising: a substrate holding step of holding said substrate by suction in the condition where the back side of said substrate is matched to a suction surface of a suction table; an appendant part cutting step of cutting a surface of said appendant part until the tip of said protruding metal and said resin part become at least flush with each other; a back-side surface grinding step of grinding a back-side surface of said substrate in the condition where said cut appendant part is sucked directly onto said suction surface of said suction table so as to hold said substrate; and a resin part removing step of removing said resin part from said face-side surface of said substrate.