Invention Grant
US09343289B2 Chemistry compatible coating material for advanced device on-wafer particle performance 有权
化学相容涂层材料,用于先进的晶片颗粒性能

Chemistry compatible coating material for advanced device on-wafer particle performance
Abstract:
To manufacture a coating for an article for a semiconductor processing chamber, the article including a body of at least one of Al, Al2O3, or SiC, and a ceramic coating on the body. The ceramic coating includes a compound comprising Y2O3 in a range from about 50 mol % to about 75 mol %, ZrO2 in a range from about 10 mol % to about 30 mol %, and Al2O3 in a range from about 10 mol % to about 30 mol %, wherein the number of nodules per inch is in a range from about 30 nodules to about 45 nodules and the porosity is in a range from about 2.5% to about 3.2%.
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