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Title: Wafer characteristics via reflectometry and wafer processing apparatus and method

Patent ·
OSTI ID:913249

An exemplary system includes a measuring device to acquire non-contact thickness measurements of a wafer and a laser beam to cut the wafer at a rate based at least in part on one or more thicknesses measurements. An exemplary method includes illuminating a substrate with radiation, measuring at least some radiation reflected from the substrate, determining one or more cutting parameters based at least in part on the measured radiation and cutting the substrate using the one or more cutting parameters. Various other exemplary methods, devices, systems, etc., are also disclosed.

Research Organization:
Midwest Research Institute, Kansas City, MO (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC36-99GO10337
Assignee:
Midwest Research Institute (Kansas City, MO)
Patent Number(s):
7,238,912
Application Number:
10/547,579
OSTI ID:
913249
Country of Publication:
United States
Language:
English

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