恒坤新材：光刻胶的替换对客户产品品质良率的影响很大

Group 1 - The core viewpoint of the article highlights that the replacement of photoresist materials significantly impacts the quality yield of customer products, affecting the entire product ecosystem [1] - Customers need to be willing to invest time in testing and validating the compatibility of materials and processes until stable supply is achieved, which may take as long as 3-4 years [1]