Location History:
- Dallas, TX (US) (1994 - 1995)
- Allentown, PA (US) (2013 - 2016)
Company Filing History:
4 out of 29,314 
1 out of 832,966 Years Active: 1994-2016
Title: Mark E Granahan: Innovator in Semiconductor Technology
Introduction
Mark E Granahan is a notable inventor based in Dallas, TX (US), recognized for his contributions to semiconductor technology. He holds a total of 5 patents, showcasing his innovative approach to solving complex engineering challenges.
Latest Patents
One of his latest patents is titled "Simplified charge balance in a semiconductor device." This invention outlines a method for forming a charge balance region in an active semiconductor device. The process involves creating an epitaxial region with a first conductivity type on a substrate, forming recessed features, and depositing a film of a second conductivity type using atomic layer deposition. The thermal processing ensures that the film forms a region of the second conductivity type, which is crucial for the charge balance region.
Another significant patent is the "Synchronous buck converter having coplanar array of contact bumps of equal volume." This invention describes a packaged power supply module that includes a chip with a first power field effect transistor (FET) and a second chip with a second FET. These transistors are conductively attached side-by-side onto a conductive carrier, with coplanar conductive bumps of equal volume, enhancing the efficiency of power delivery.
Career Highlights
Mark has worked with Texas Instruments Corporation, where he applied his expertise in semiconductor technology. His work has significantly impacted the field, leading to advancements in power supply modules and semiconductor devices.
Collaborations
Throughout his career, Mark has collaborated with notable professionals, including Brad P Whitney and Todd M Neale. These collaborations have contributed to the development of innovative technologies in the semiconductor industry.
Conclusion
Mark E Granahan's contributions to semiconductor technology through his patents and collaborations highlight his role as a leading inventor in the field. His innovative solutions continue to influence advancements in the industry.