Method for making an eyeglass lens coated by means of physical vapor deposition PVD
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United States of America Patent
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Oct 3, 2023
Grant Date -
Aug 20, 2020
app pub date -
Feb 18, 2020
filing date -
Feb 18, 2019
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Abstract
Method for making an eyeglass lens coated by means of physical vapor deposition PVD, such method comprising a step of arranging a lens blank, provided with a first centering reference, a step of arranging a support body, provided with a first shaped and through opening oriented with respect to a second centering reference thereof, and a step of arranging a centering template. The present method then comprises an assembly step of the lens blank with the support body and of the support body with the centering template. Subsequently, the present method comprises a step of coating the lens blank by means of physical vapor deposition PVD, and finally comprises a cutting step in which the lens blank is cut along a cutting profile shaped in eyeglass lens form and oriented with respect to the first centering reference.
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