Company Filing History:
2 out of 1,723 
2 out of 934 Years Active: 2020
Title: Innovations by Hongjun Yu in Microphone Technology
Introduction
Hongjun Yu is a notable inventor based in Shanghai, China. He has made significant contributions to the field of semiconductor techniques, particularly in microphone technology. With a total of 2 patents, his work focuses on enhancing the performance and durability of microphones.
Latest Patents
One of Hongjun Yu's latest patents is titled "Microphone and manufacture thereof." This invention relates to semiconductor techniques and features a microphone design that includes a substrate with a back through-hole. The design incorporates a first electrode layer that covers the back through-hole and a back plate that forms a cavity with the first electrode layer. A gap in the first electrode layer enhances the sensitivity and improves the Signal-to-Noise Ratio (SNR). Another patent under his name also focuses on microphone technology, featuring a capacitor design that includes a back plate and a vibration film plate with multiple holes. These holes provide ventilation for pressured air, reducing the risk of damage to the vibration film plate under high air pressure, thus improving the microphone's acoustic tolerance.
Career Highlights
Hongjun Yu has worked with prominent companies in the semiconductor industry, including Semiconductor Manufacturing International (Shanghai) Corporation and Semiconductor Manufacturing International (Beijing) Corporation. His experience in these organizations has contributed to his expertise in microphone technology and semiconductor applications.
Collaborations
Throughout his career, Hongjun Yu has collaborated with talented individuals such as Pan Ding and Shuhui Chen. These collaborations have likely enriched his work and led to innovative advancements in his field.
Conclusion
Hongjun Yu's contributions to microphone technology through his patents demonstrate his innovative spirit and technical expertise. His work continues to influence the development of advanced microphone systems in the semiconductor industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.