Thomas L Guthrie

Title: Thomas L. Guthrie: Innovator in Photoplotting Technology

Introduction

Thomas L. Guthrie is an accomplished inventor based in Huntington Beach, CA (US). He has made significant contributions to the field of photoplotting technology, particularly in the production of printed circuit boards. His innovative methods have streamlined processes and improved accuracy in the industry.

Latest Patents

Guthrie holds a patent for a method titled "Method of mapping geometric entities from a continuous plane to a pixel graphic representation." This patent focuses on generating mask transparencies for the mass production of printed circuit boards using a laser photoplotting system. The method includes an algorithm that effectively reduces offset errors between rectangular and circular entities in phototool primitives. By selecting a pixel that best represents the corner of a rectangular entity closest to the circumference of a circular entity, the method enhances the precision of the graphic representation.

Career Highlights

Guthrie is currently employed at Excellon Industries, Inc., where he continues to develop and refine technologies related to photoplotting. His work has been instrumental in advancing the capabilities of printed circuit board manufacturing.

Collaborations

Guthrie collaborates with various professionals in his field, including his coworker Paul K. Stephenson. Their combined expertise contributes to the innovative solutions developed at Excellon Industries.

Conclusion

Thomas L. Guthrie's contributions to photoplotting technology exemplify the impact of innovation in the manufacturing sector. His patented methods continue to influence the efficiency and accuracy of printed circuit board production.