Patent ID: 8231431

Claim:
A module for performing an edge deletion process on a solar cell device, comprising: an inlet conveyor configured to transport the solar cell device into the module; an edge deletion station configured to remove material from a top surface of the solar cell device at opposing edge regions of the solar cell device, wherein the edge deletion station comprises: a station support structure; a stationary grinding wheel device attached to the station support structure, wherein the stationary grinding wheel device comprises a stationary grinding wheel; a movable grinding wheel device disposed on the station support structure, wherein the movable grinding wheel device comprises a movable grinding wheel; a first automatic dressing device attached to the stationary grinding wheel device; and a second automatic dressing device attached to the movable grinding wheel device, wherein the first automatic dressing device and the second automatic dressing device each comprises: a lateral advancing device to advance an abrasive element toward the grinding wheel; a sensing mechanism configured to determine when the abrasive element is in a fully extended position; and a sensing mechanism configured to determine when the abrasive element is in a fully retracted position; and a cleaning assembly.