This inventor holds 3 USPTO granted patents. Top assignee: Texas Instruments Corporation. Active years: 1998-2001.
Company Filing History:
Years Active: 1998-2001
Title: Innovations of John David Drummond
Introduction
John David Drummond is a notable inventor based in Wylie, Texas. He has made significant contributions to the field of semiconductor technology and memory systems. With a total of 3 patents, Drummond's work has had a considerable impact on both commercial and military markets.
Latest Patents
One of Drummond's latest patents is titled "Rerouted semiconductor device and method of fabrication." This invention presents a flexible and cost-effective method for fabricating customized rerouting metallization of circuit contact pads. The process involves localized depositions of insulating and conducting paths, enabling the manufacturing of multi-layered networks of interconnection. Utilizing a gas-filled chamber, either a focused laser or an unfocused laser impinging through a mask is employed to locally heat selected areas of the chip surface. This innovative approach allows for the precise deposition of materials, enhancing product design and assembly capabilities.
Another significant patent is the "Bias generator for column multiplexed static random access memory." This invention is particularly useful in column multiplexed memories, especially static random access memories (SRAM) used in application-specific integrated circuits (ASIC). The bias generator connects all bitlines during write operations and utilizes a combination of P-channel and N-channel field effect transistors to optimize performance. This design ensures efficient memory operations and enhances the overall functionality of the memory cells.
Career Highlights
Drummond is currently employed at Texas Instruments Corporation, a leading company in semiconductor design and manufacturing. His work at Texas Instruments has allowed him to contribute to cutting-edge technologies and innovations in the field.
Collaborations
Throughout his career, Drummond has collaborated with notable colleagues, including Bryan David Sheffield and Robert E. Terrill. These collaborations have fostered an environment of innovation and creativity, leading to advancements in their respective fields.
Conclusion
John David Drummond's contributions to semiconductor technology and memory systems exemplify the spirit of innovation. His patents reflect a commitment to advancing technology and meeting the demands of modern markets.