David I Ma

Title: David I Ma: Innovator in Photodetector Technology

Introduction

David I Ma is a notable inventor based in Arlington, VA, who has made significant contributions to the field of photodetector technology. He holds a patent for a groundbreaking invention that enhances the performance of photodetector-amplifier devices. His work is particularly relevant in applications requiring high sensitivity and efficiency.

Latest Patents

David I Ma's patent, titled "Monolithic multichannel detector amplifier arrays and circuit channels," presents an integrated, planar, single-channel photodetector-amplifier device. This innovative device features a low-doped photodetector layer that minimizes dark current while maximizing quantum efficiency. The amplifier layer, which is more highly doped and thinner, provides high gain. An insulating layer is strategically placed between the photodetector and amplifier layers to ensure electrical isolation. The invention also includes isolation regions that laterally separate the various components of the device, enhancing its functionality. Furthermore, the patent describes an integrated multi-channel photodetector-amplifier array, which can be configured as either a linear or area array.

Career Highlights

David I Ma is currently associated with the United States Navy, where he contributes his expertise in developing advanced photodetector technologies. His work has implications for various applications, including military and civilian technologies that rely on precise detection and amplification of signals.

Collaborations

David has collaborated with notable colleagues such as Gordon W Anderson and John Bradley Boos, further enriching his contributions to the field.

Conclusion

David I Ma's innovative work in photodetector technology exemplifies the impact of dedicated inventors in advancing scientific and technological frontiers. His patent reflects a significant step forward in the design and functionality of photodetector-amplifier devices.