TREATED CERAMIC CHAMBER PARTS
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United States of America Patent
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Issued Date -
Sep 19, 2024
app pub date -
Aug 4, 2022
filing date -
Aug 19, 2021
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Abstract
A method for treating a ceramic component for use in a semiconductor processing chamber, wherein the ceramic component comprises a ceramic laminate comprising a base zone comprising a first dielectric ceramic material, a protective, wherein the protective zone comprises a second dielectric ceramic material, and a transition zone between the protective zone and base zone, wherein the transition zone comprises the first dielectric ceramic material and the second dielectric ceramic material, wherein exposure of the ceramic component to UV light changes an optical property of at least a first part of the ceramic component is provided. A heat treatment of the ceramic component is provided by heating the ceramic component in a furnace to a temperature of between 400° C. to 1000° C. for a period between 2 hours to 20 hours, wherein the heat treatment changes the optical property of the first part of the ceramic component.
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