Yunhan Chen

Title: Innovations of Yunhan Chen in Ultrasonic Technology

Introduction

Yunhan Chen is an innovative inventor based in San Jose, CA. He has made significant contributions to the field of ultrasonic technology, particularly through his work at Apple Inc. His expertise in micro-machined ultrasonic transducers (MUTs) has led to advancements in wearable technology.

Latest Patents

Yunhan Chen holds a patent for embedded ultrasonic transducers. This patent focuses on micro-machined ultrasonic transducers that can be integrated into a flexible band of a watch. These transducers are designed to detect touch, gestures, and physiological signals while also transferring data. The technology involves a piezoelectric material situated between two electrodes, coupled to a base material with multiple cavities to support the motion of the transducer structure. The design allows for modifications in size, shape, and arrangement to enhance ultrasonic transmission characteristics. Additionally, the MUT array can be driven by CMOS circuitry to beamform transmitted and received ultrasonic waves, and it can generate haptic feedback through the flexible band.

Career Highlights

Yunhan Chen's career at Apple Inc. has been marked by his dedication to innovation in wearable technology. His work on ultrasonic transducers has positioned him as a key player in the development of advanced sensing technologies.

Collaborations

Yunhan has collaborated with notable colleagues, including Qi S Wang and Jere C Harrison, to further enhance the capabilities of ultrasonic technology in consumer electronics.

Conclusion

Yunhan Chen's contributions to the field of ultrasonic technology exemplify the innovative spirit at Apple Inc. His work on embedded ultrasonic transducers is paving the way for future advancements in wearable devices.