Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 17, 2016
Patent Application Number
14493824
Date Filed
September 23, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
Embodiments of the disclosure generally relate to comprehensive, expandable substrate inspection systems. The inspection systems include multiple metrology units adapted to inspect, detect, or measure one or more characteristics of a substrate, including thickness, resistivity, saw marks, geometry, stains, chips, micro cracks, crystal fraction, and photoluminescence. The inspection systems may be utilized to identify defects on substrates and estimate solar cell efficiency of a solar cell produced with the substrate, prior to processing a substrate into a solar cell. Substrates may be transferred through the inspection system between metrology units on a track or conveyor, and then sorted based upon inspection data.
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