Location History:
- Longmont, CO (US) (1981 - 1993)
- Newtown, CT (US) (2009 - 2022)
Company Filing History:
10 out of 618 
1 out of 4,883 
3 out of 832,680 Years Active: 1981-2025
Title: **Innovative Contributions of James Hamilton Walsh in Lithography Technology**
Introduction
James Hamilton Walsh, based in Newtown, Connecticut, is a distinguished inventor with an impressive portfolio of 11 patents. His innovative work primarily focuses on advancements in lithographic technologies, significantly enhancing precision and efficiency in the field.
Latest Patents
Walsh's latest patents include two key inventions that contribute to the cleaning and measurement processes in lithographic systems. The first patent is for an "Apparatus for and method cleaning a support inside a lithography apparatus." This invention details a cleaning substrate equipped with at least one motor that enables lateral movement across a support surface within a lithographic system. The unique design includes a power supply that can be electrically connected to the motor, enhancing the cleaning capability of the apparatus.
The second patent, "Apparatus including a gas gauge and method of operating the same," describes a sophisticated metrology frame within a lithographic apparatus. This apparatus includes a gas gauge that moves relative to a reference surface, allowing for precise measurements of backpressure utilizing a microelectromechanical (MEM) sensor. The design also allows for multiple gas gauges to be arranged in an array, which aids in improving measurement accuracy.
Career Highlights
Walsh has made significant contributions to the field while working at prominent companies, most notably ASML Holding N.V. His expertise in lithography and innovative thinking have established him as a notable figure in engineering and technology development.
Collaborations
During his career, Walsh has collaborated with notable colleagues, including Yuli Vladimirsky and Joseph Harry Lyons. These partnerships have likely fostered an environment of creativity and innovation, contributing to their shared advancements in lithographic technology.
Conclusion
James Hamilton Walsh exemplifies the spirit of innovation within the realm of lithographic systems. Through his patents and collaborative efforts, he continues to push the boundaries of technology, ensuring precision and efficiency in this critical field. His work stands as a testament to the impact of dedicated inventors on modern technology and industry advancements.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.