Bernhard Ulrich Koelle

Title: Innovations of Bernhard Ulrich Koelle

Introduction

Bernhard Ulrich Koelle is a notable inventor based in Milpitas, CA (US). He has made significant contributions to the field of acoustic resonator devices, holding a total of 2 patents. His work focuses on enhancing the performance and fabrication processes of these devices.

Latest Patents

Koelle's latest patents include advancements in bulk acoustic resonator devices and processes for fabricating these devices. In his first patent, he describes a method where at least one additional metal feature is formed on the top surface of the bottom electrode. This innovation ensures that the bottom electrode retains sufficient thickness after the piezoelectric material layer is etched, thereby improving the reliability of the device. His second patent involves an acoustically coupled resonator filter that features a controlled impedance transformation ratio. This device includes two acoustic resonators with differing electrical impedances and resonance frequencies, allowing for enhanced signal processing capabilities.

Career Highlights

Throughout his career, Koelle has worked with prominent companies such as Avago Technologies and its subsidiaries, including Avago Technologies General IP (Singapore) Pte. Ltd. and Avago Technologies International Sales Pte. Limited. His experience in these organizations has contributed to his expertise in the field of acoustic resonators.

Collaborations

Koelle has collaborated with notable professionals in his field, including Tiberiu Jamneala and Alexandre Shirakawa. These collaborations have likely enriched his work and led to further innovations in acoustic technology.

Conclusion

Bernhard Ulrich Koelle's contributions to the field of acoustic resonators demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to advancing technology in this area, making him a significant figure in the realm of inventions.