Samuel Kay Doran

Title: Samuel Kay Doran: Innovator in Electron Emission Control

Introduction

Samuel Kay Doran, an accomplished inventor based in Wappingers Falls, NY, holds an impressive portfolio of 15 patents. His innovations primarily focus on advanced control systems for electron sources, enhancing precision and stability in applications that require high emittance electron emissions.

Latest Patents

Among Doran's latest contributions to technology are two significant patents that reflect his expertise in servo control systems:

1. **Servo Control for High Emittance Electron Source**

This invention revolves around an automatic control servo system that comprises multiple cascaded loops, aligned with the voltage sources applied to a high-emittance electron source. It delivers precise and stable control of electron emission current, regardless of beam energy while accommodating large variances in thermal mass inherent to indirectly heated cathode electron sources. This innovative design allows for individual tuning of the loops, enhancing the system's adaptability and efficiency.

2. **Servo Guided Stage System with Yaw Sensor**

Doran's second patent features a sophisticated positioning stage designed to optimize motion control. The system includes a base with a stage plate that moves along both the x and y axes and provides rotational capabilities. Ingeniously, it integrates three rotatable drives that ensure precise movements. Additionally, a yaw sensor measures the yaw angle, utilizing a light-emitting source alongside a position-sensing detector, ensuring that any yaw error is promptly corrected, thus maintaining high positional accuracy.

Career Highlights

Throughout his career, Doran has made significant contributions while collaborating with major corporations, notably IBM and Nikon Corporation. These experiences have enriched his understanding and insights into electronic systems and servo mechanisms, enabling him to push the boundaries of innovation in his field.

Collaborations

Doran has worked alongside an impressive group of professionals, including Merlyn H Perkins and Rodney A Kendall. Their collaborative efforts have fostered an environment of creativity and innovation, leading to groundbreaking advancements in technology.

Conclusion

Samuel Kay Doran's work exemplifies the spirit of innovation in engineering and technology. With his 15 patents, particularly in the realm of electron emission control systems, he continues to make remarkable strides. His partnerships with influential companies and dedicated colleagues highlight the collaborative nature of scientific advancement. Doran stands as a testament to the profound impact that inventors can have on technology and society.