捷捷微电(300623.SZ)：公司目前有少量碳化硅器件的封测，该系列产品仍在持续研究推进过程中

Core Viewpoint - The company is collaborating with the Institute of Microelectronics of the Chinese Academy of Sciences and Xi'an University of Electronic Science and Technology to develop semiconductor devices using third-generation semiconductor materials such as SiC and GaN [1] Group 1: Patents and Research - The company currently holds 5 invention patents and 6 utility model patents related to gallium nitride (GaN) and silicon carbide (SiC) [1] - Additionally, there are 8 invention patents that are still under application [1] Group 2: Product Development - The company has a small amount of silicon carbide (SiC) devices in the packaging and testing phase, with ongoing research and development [1] - The product series has not yet entered mass production [1]