美迪凯：关于光刻用掩模版衬底，公司已完成了其整套生产工艺的开发，并已开始逐步向客户送样

Core Viewpoint - The company has completed the development of its entire production process for photomask substrates and has begun gradually sending samples to customers, indicating progress in certification efforts [2]. Group 1 - The company has successfully developed the complete production process for photomask substrates [2]. - The company has started to gradually deliver samples to customers as part of its certification process [2]. - The company will continue to promote the ongoing work related to photomask substrate certification [2].