With the expansion of chip size. the challenge of achieving uniform etching becomes progressively more formidable. Implementing CVD SiC etching rings enhances etching uniformity effectively and offers notable attributes of high purity and prolonged operational lifespan. Controlling the resistivity of CVD SiC etching rings is essential to cater to diverse processes and equipment requir... https://yeswellneses.shop/product-category/resveratrol/