This inventor holds 2 USPTO granted patents. Top assignees: Nikon Corporation, Nuflare Technology, Inc.. Active years: 1989-2011.
Company Filing History:
Years Active: 1989-2011
Title: Tetsuyuki Arai: Innovator in Pattern Inspection Technology
Introduction
Tetsuyuki Arai is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of pattern inspection technology, holding a total of 2 patents. His work has been instrumental in advancing the capabilities of inspection apparatuses used in various industries.
Latest Patents
Arai's latest patents include a pattern inspection apparatus and a pattern inspection method. The pattern inspection apparatus features a light source that emits pulsed light, a stage for placing the inspection target workpiece, and a sensor with a two-dimensional array of light receiving elements. This setup captures a pattern image in a two-dimensional region of the workpiece, which is then compared to predetermined reference pattern image data. The stage is designed to shift by a number of pixels between pulses of the pulsed light, enhancing the accuracy of the inspection process.
Another significant patent is the mask inspecting apparatus, which is a pattern forming apparatus that inverts at least one of multiple patterns based on numerical design data. This apparatus synthesizes the inverted pattern with the remaining patterns, utilizing operational devices to manage the design data effectively.
Career Highlights
Throughout his career, Arai has worked with prominent companies such as Nikon Corporation and Nuflare Technology, Inc. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in the field of optical inspection.
Collaborations
Arai has collaborated with notable colleagues, including Tomohiro Iijima and Shigeru Takemoto. These partnerships have fostered a creative environment that has led to advancements in their respective fields.
Conclusion
Tetsuyuki Arai's contributions to pattern inspection technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively, showcasing the importance of innovation in technology.