METHOD FOR MANUFACTURING A GLASS WAFER OF HIGH QUALITY, GLASS WAFER, GLASS PART ELEMENT, STACK, AUGMENTED REALITY DEVICE AND USE
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United States of America Patent
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Issued Date -
Dec 28, 2023
app pub date -
Sep 8, 2023
filing date -
Sep 8, 2023
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Abstract
A method for manufacturing a glass wafer for augmented reality applications includes the steps of: providing the raw wafer; edge-grinding of the raw wafer; lapping the raw wafer; rough polishing the raw wafer; fine polishing the raw wafer to obtain an intermediate wafer; gluing the intermediate wafer on a flat carrier; performing single-side polishing of a first main side of the intermediate wafer; and performing single-side polishing of a second main side of the intermediate wafer.
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