Company Filing History:
Years Active: 1985-1994
Title: The Innovations of Emilio E Mendez
Introduction
Emilio E Mendez is a prominent inventor based in Croton-on-Hudson, NY (US). He has made significant contributions to the field of semiconductor technology, holding a total of 6 patents. His work focuses on advanced laser technologies and resonant tunneling devices, which have applications in optical communications and computing.
Latest Patents
One of Mendez's latest patents is for a Coupled Quantum Well Tunable Laser. This invention utilizes coupled quantum wells in the active region of a semiconductor laser to modulate the frequency and amplitude of the light output. The design features a graded index of refraction semiconductor double heterostructure laser, with the active region consisting of two quantum wells approximately 50 Angstroms wide, separated by a barrier layer of about 20 Angstroms. The quantum well material is intrinsic GaAs, while the barrier layer is Al.sub.x Ga.sub.1-x As, with x=0.23. The laser operates as a p-i-n type structure, allowing for modulation of both frequency and intensity through a reverse bias. This tunable laser is particularly useful in optical communications and computing.
Another notable patent is related to Biaxial-Stress Barrier Shifts in Pseudomorphic Tunnel Devices. This invention discloses resonant tunneling devices that exhibit improved peak-to-valley current ratios. The device comprises a quantum well layer surrounded by first and second barrier layers made of an indirect first III-V compound semiconductor. The first barrier layer is formed on a substrate of a second III-V compound semiconductor, inducing biaxial stress that enhances the energy shift at resonance, thereby increasing the peak-to-valley current ratio.
Career Highlights
Emilio E Mendez is currently employed at International Business Machines Corporation (IBM), where he continues to innovate in the field of semiconductor technology. His work has significantly advanced the understanding and application of tunable lasers and resonant tunneling devices.
Collaborations
Mendez has collaborated with notable figures in the field, including Leo Esaki and Chin-An Chang. These collaborations have contributed to the development of groundbreaking technologies in semiconductor devices.
Conclusion
Emilio E Mendez is a distinguished inventor whose work in semiconductor technology has led to several important patents. His innovations in tunable lasers and resonant tunneling devices are paving
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