Floating sheet measurement apparatus and method

Optics: measuring and testing – Dimension

Reexamination Certificate

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C356S635000, C438S015000, C438S696000, C023S30800S

Reexamination Certificate

active

08064071

ABSTRACT:
A sheet measurement apparatus has a sheet disposed in a melt. The measurement system uses a beam to determine a dimension of the sheet. This dimension may be, for example, height or width. The beam may be, for example, collimated light, a laser, x-rays, or gamma rays. The production of the sheet may be altered based on the measurements.

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