Patent ID: 9159596
Filing Date: 2015-10-13
Classification: B32B,C09J,H01L,Y10S,Y10T

Abstract:
1. An apparatus for cleaving a bonded wafer structure comprising a first wafer and a second wafer, the first wafer having a peripheral edge including a first portion, the second wafer having a peripheral edge including a second portion, the first portion disposed opposite the second portion, the apparatus comprising: a first grasping member having one or more first annular members, the first annular members having a surface for contacting the first portion of the peripheral edge of the first wafer; and a second grasping member having one or more second annular members, the second annular members having a surface for contacting the second portion of the peripheral edge of the second wafer, wherein the first annular member or the second annular member has an actuated edge for grasping and releasing the wafer.