Patent ID: 8184283

Claim:
An inspection apparatus for inspecting a substrate comprising: a transport system for transporting said substrate; a scanning system for receiving said substrate from said transport system and moving said substrate for scanning; an irradiation system for irradiating said substrate with first light; a detection system for detecting second light from said substrate; and a processing system for determining a defect of said substrate based on said second light, wherein said transport system comprises: a pressure source for supplying a medium; a spring for expanding and contracting correspondingly to supply of said medium; a rod for receiving a force caused by expansion or contraction of said spring at an end thereof and moving by said force; a fixing unit by which said substrate is gripped at an edge of said substrate correspondingly to the movement of said rod; and (1) a first exhaust tube for exhausting air surrounding said spring, and (2) a second exhaust tube for exhausting air surrounding said rod.