Patent 10217614 was granted and assigned to Lam Research on February, 2019 by the United States Patent and Trademark Office.
A gas distribution plate for a substrate processing system includes a ceramic lower portion of the gas distribution plate including a plurality of ceramic green sheets. A ceramic upper portion of the gas distribution plate includes a plurality of ceramic green sheets. An electrode is printed on at least one of an upper surface of the ceramic lower portion and a lower surface of the ceramic upper portion using metal screen printing. A first plurality of through holes is machined through the ceramic lower portion and the ceramic upper portion of the gas distribution plate prior to sintering.