Company Filing History:
Years Active: 2001-2002
Title: Innovations of Bii-Cheng Chang in Semiconductor Imaging Devices
Introduction
Bii-Cheng Chang is a notable inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of semiconductor imaging devices, holding a total of 3 patents. His work focuses on enhancing light collection efficiency in color filter processes, which is crucial for the advancement of solid-state cameras.
Latest Patents
Chang's latest patents include innovative designs and methods that optimize the performance of imaging devices. One of his patents, titled "Multi-microlens design for semiconductor imaging devices to increase light collection efficiency in the color filter process," discloses multi-microlens arrays that enhance light collection efficiency in CCD/CMOS solid-state color image cameras. This invention includes microelectronic fabrication methods for creating planar array multi-microlenses, which are integrated with color filters and compatible with high-volume manufacturing processes.
Another significant patent is "High efficiency color filter process for semiconductor array imaging devices." This microelectronic method optimizes the fabrication of optical and semiconductor array structures, enabling high efficiency in color image formation. The patent outlines a fabrication sequence where microlens formation occurs before color filter layer formation, which increases image light collection efficiency and protects microlens elements from damage during processing.
Career Highlights
Bii-Cheng Chang is currently employed at Taiwan Semiconductor Manufacturing Company Limited, where he continues to innovate in the field of semiconductor technology. His work has been instrumental in advancing the capabilities of imaging devices, making them more efficient and effective.
Collaborations
Chang has collaborated with notable colleagues, including Yang-Tung Fan and Sheng-Liang Pan, who have contributed to his research and development efforts in semiconductor imaging technologies.
Conclusion
Bii-Cheng Chang's contributions to semiconductor imaging devices through his innovative patents have significantly impacted the field. His work continues to pave the way for advancements in imaging technology, enhancing the efficiency and effectiveness of solid-state cameras.