Location History:
- Plano, TX (US) (1998 - 2003)
- Allen, TX (US) (1999 - 2007)
Company Filing History:
19 out of 29,232 
1 out of 832,680 Years Active: 1998-2007
Title: Darius Lammont Crenshaw: A Pioneer in Capacitor Innovations
Introduction
Darius Lammont Crenshaw, located in Allen, Texas, is a notable inventor with an impressive portfolio of 20 patents. His work has significantly contributed to advancements in capacitor technology, particularly in mitigating copper diffusion issues in electrical components.
Latest Patents
Among his latest inventions is a method for fabricating metal insulator metal (MIM) capacitors with sidewall spacers and aluminum cap (ALCAP) top electrodes. This innovation addresses the adverse effects associated with copper diffusion while enabling the scaling down of capacitors. By incorporating a sidewall spacer against the edges of various layers, Crenshaw's method reduces shorting currents that can develop due to copper diffusion. Additionally, he has developed a single mask MIM capacitor and resistor with a trench copper drift barrier. This invention allows the concurrent formation of a MIM capacitor and a resistor, utilizing a copper diffusion barrier to prevent unwanted copper migration, thereby enhancing the reliability of the device.
Career Highlights
Darius Crenshaw has had a remarkable career, including significant contributions while working at Texas Instruments Corporation. His innovative spirit and technical expertise have led him to achieve numerous patents that address critical challenges in electronics.
Collaborations
Throughout his career, Crenshaw has collaborated with esteemed colleagues, including Yu-Pei Chen and Rick L Wise. These partnerships have helped to foster a creative and productive environment, leading to groundbreaking developments in capacitor technology.
Conclusion
Darius Lammont Crenshaw stands out as a distinguished inventor whose contributions to capacitor fabrication have paved the way for more reliable electronic devices. His continuous innovation and dedication to solving complex engineering problems underscore his vital role in the electronics industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.