Kristofer S Pister

Title: The Innovative Contributions of Kristofer S Pister

Introduction

Kristofer S Pister, based in Pacific Palisades, CA, is an esteemed inventor known for his significant contributions to the field of micromachining and sensors. With a total of two patents to his name, Pister has made remarkable strides in the development of advanced accelerometers and integrated microsensors.

Latest Patents

Pister's latest patents include groundbreaking inventions in the area of accelerometers and CMOS integrated microsensors. One notable patent describes etchants for micromachining CMOS microaccelerometers. This specification presents a novel approach using tiny proof masses and piezoresistive force detection. Contrary to conventional wisdom suggesting limited utility, these devices have proven useful across a wide range of applications. The innovation incorporates deformable hinges that enable the fabrication of three-dimensional structures while utilizing a unique system that etches silicon selectively at moderate temperatures without hydrodynamic forces that could potentially damage small features. This system leverages the gas phase etchant xenon difluoride, which is a solid at standard temperature and pressure.

His second patent discusses the advancements in surface micromachined substrates combined with bulk micromachined wafer bonded substrates. This integration allows for improved microsensors that include essential components of microelectromechanical sensing elements. For accelerometers, the proof mass is contained within the wafer bonded bulk machined substrate that connects to the CMOS surface machine substrate, enhancing the device's performance by strategically suspending a differential sensor electrode over defined etch pits. This design assists in removing parasitic capacitance and improving sensitivity without the need for precision transformers or regulated power sources.

Career Highlights

Kristofer S Pister has represented the University of California, where he has honed his expertise in the fields of engineering and applied physics. His innovative work has positioned him as a leader in the development of micro-sensors, and he continues to push the boundaries of modern technology with his research.

Collaborations

In his professional journey, Pister has collaborated with notable colleagues such as William J Kaiser and Oscar Magnus Stafsudd. Their collective efforts have significantly advanced the field, contributing to novel solutions and enhancing the performance of microsensing technologies.

Conclusion

Kristofer S Pister has demonstrated a profound impact on the field of micromachining and sensors through his inventive patents and fervent collaboration with peers. His innovative spirit and dedication to advancing technology continue to pave the way for significant advancements in sensor applications, underscoring his role as a pivotal figure in modern engineering.