This inventor holds 2 USPTO granted patents and 21 published patent applications. Top assignee: Taiwan Semiconductor Manufacturing Comp. Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Innovations by Yu-hung Cheng
Introduction
Yu-hung Cheng is an inventor based in Tainan City, Taiwan. He is known for his contributions to the field of semiconductor technology. Although he currently holds no granted patents, his work in developing innovative techniques for semiconductor devices is noteworthy.
Latest Patent Applications
Yu-hung Cheng has submitted several patent applications that showcase his inventive capabilities. One of his latest applications is titled "Pre-Cleaning for a Deep Trench Isolation Structure in a Pixel Sensor." This application describes a cyclic pre-cleaning technique that cleans the surfaces of a recess where a deep trench isolation (DTI) structure is to be formed. The technique involves performing deposition and etch cycles to reduce oxygen concentration on the surfaces, which enhances the quality of the epitaxial growth of the passivation layer. Another significant application is "Multilayer Isolation Structure for High Voltage Silicon-On-Insulator Device." This application details a deep trench isolation structure that surrounds an active region of a semiconductor-on-insulator substrate. It includes a multilayer silicon-comprising isolation structure that is formed through selective and non-selective deposition processes.
Conclusion
Yu-hung Cheng's innovative approaches in semiconductor technology highlight his potential as an inventor. His latest patent applications reflect a commitment to advancing the field, even in the absence of granted patents.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile