Company Filing History:
Years Active: 1989-2019
Title: Thomas Warren Lassiter: Innovator in Semiconductor Technology
Introduction
Thomas Warren Lassiter is a prominent inventor based in Garland, TX (US). He has made significant contributions to the field of semiconductor technology, holding a total of 7 patents. His innovative work has advanced the development of microelectronic devices, showcasing his expertise and dedication to the industry.
Latest Patents
Lassiter's latest patents include a method of forming a semiconductor device. This invention involves creating a microelectronic device that contains a piezoelectric thin film element. The process begins with oxidizing the top surface of a piezoelectric layer using an oxygen plasma. Following this, an etch mask containing photoresist is formed on the oxidized surface. The etch mask undergoes conditioning through an oven bake and a UV bake. The piezoelectric layer is then etched using a three-step process, which includes a wet etch with a specific aqueous solution, an agitated rinse, and a short etch in the same solution. Another notable patent involves a high-temperature isotropic plasma etching process designed to prevent electrical shorts. This method includes placing a device with a titanium nitride layer into a chamber and performing an ashing process on the mask. The etching process follows, utilizing a gas mixture at elevated temperatures.
Career Highlights
Lassiter is currently employed at Texas Instruments Corporation, where he continues to innovate and contribute to the field of semiconductor technology. His work has been instrumental in developing advanced microelectronic devices that are crucial for various applications.
Collaborations
Some of his notable coworkers include Joel Soman and Neng Jiang, who have collaborated with him on various projects within the company.
Conclusion
Thomas Warren Lassiter's contributions to semiconductor technology through his patents and work at Texas Instruments Corporation highlight his role as a key innovator in the field. His dedication to advancing microelectronic devices continues to impact the industry positively.