John M Harrell

Title: John M Harrell: Innovator in Semiconductor Manufacturing

Introduction

John M Harrell is a notable inventor based in Waxahachie, TX (US). He has made significant contributions to the field of semiconductor manufacturing, holding a total of 2 patents. His innovative designs focus on improving processes and equipment used in the industry.

Latest Patents

One of Harrell's latest patents is a "Transfer system for use with a horizontal furnace." This apparatus is designed to prevent cross-contamination of heating elements within horizontal furnaces. It features a rotating spindle that connects to the lifting arm of a triaxial loader or the transfer plate of a loading station. The system includes a pair of spindles capable of lifting a single wafer boat, with each spindle having multiple active positions linked to the heating elements of the furnace. A control processor monitors the spindle's position and rotates it to the appropriate active position during loading or unloading processes.

Another significant patent is the "Holder for semiconductor wafer cassettes." This device is intended to hold a semiconductor wafer cassette, facilitating its manipulation during manufacturing processes. It includes a shielding plate that encloses the open face of the cassette and features gripping arms that pivot to grasp the edges of the cassette. The gripping mechanism is actuated by a trigger and linkage within the handle, allowing operators to manipulate the cassette in both horizontal and vertical directions.

Career Highlights

Throughout his career, John M Harrell has worked with various companies, including Novus Corporation. His experience in the semiconductor industry has allowed him to develop innovative solutions that enhance manufacturing efficiency and safety.

Collaborations

Harrell has collaborated with notable individuals such as George E Niemirowski and Adam F Niemirowski. Their teamwork has contributed to advancements in semiconductor technology and manufacturing processes.

Conclusion

John M Harrell's contributions to semiconductor manufacturing through his patents and collaborations highlight his role as an innovator in the field. His work continues to influence the industry and improve manufacturing practices.