Semiconductor processing device and semiconductor processing system
AssigneeSamsung Electronics Co., Ltd.
InventorsHyunwoong Choi, Kongwoo Lee, Beomsoo Hwang, Myungki Song, Kyusang Lee, Jinhyuk Choi
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AssigneeSamsung Electronics Co., Ltd.
InventorsHyunwoong Choi, Kongwoo Lee, Beomsoo Hwang, Myungki Song, Kyusang Lee, Jinhyuk Choi
Estimating the term…
A semiconductor processing device includes a stage configured to receive a bare wafer placed thereon, a laser sensor located above the stage in a vertical direction, orthogonal to an upper surface of the bare wafer, a camera sensor located above the stage in a first direction, a lighting device radiating an imaging region imaged by camera sensor with light, and a controller, configured to rotate the bare wafer using the stage, obtain a plurality of sub-images of the bare wafer captured by the camera sensor to generate an original image of the bare ware, and detect a first defect of the bare wafer using the original image, wherein the controller is configured to detect a second defect of the bare wafer by measuring a distance between the laser sensor and the bare wafer, while rotating the bare wafer using the stage.
A semiconductor processing device comprising:
A semiconductor processing device comprising:
A semiconductor processing device comprising:
Dependencies are inferred from the claim text.