David H Narum

Title: David H Narum: Innovator in Surface Imaging Technologies

Introduction

David H Narum is a notable inventor based in Orono, Minnesota, recognized for his contributions to surface imaging technologies. With a focus on methods and systems that enhance surface analysis, Narum has made significant strides in the field of charge neutralization.

Latest Patents

Narum holds a patent for "Methods and systems including pulsed dual-beam charge neutralization." This innovative patent encompasses surface imaging apparatuses and surface analysis apparatuses. It details methods based on the detection of secondary electrons or secondary ions, which include a spatially scanned and DC or pulsed primary excitation source. This technology results in secondary electrons or secondary ions that are detected to provide a modulated signal for imaging of the sample. Additionally, it incorporates dual polarity flood beams to effect neutralization of surface charge and surface potential variation.

Career Highlights

David H Narum is currently employed at Ulvac-Phi, Incorporated, where he continues to develop and refine technologies related to surface imaging and analysis. His work has positioned him as a key figure in advancing the capabilities of surface analysis tools.

Collaborations

Narum collaborates with esteemed colleagues, including Scott R Bryan and Gregory L Fisher, who contribute to the innovative environment at Ulvac-Phi, Incorporated.

Conclusion

David H Narum's work in surface imaging technologies exemplifies the impact of innovation in scientific research and development. His patent and ongoing contributions continue to shape the future of surface analysis.