Charles K Havasy

Title: Innovations of Charles K Havasy

Introduction

Charles K Havasy is a notable inventor based in Kettering, Ohio, with a remarkable portfolio of 13 patents. His work primarily focuses on advancements in semiconductor technology, particularly in the development of field-effect transistors.

Latest Patents

Havasy's latest patents include the "Complementary heterostructure integrated single metal transistor apparatus." This invention describes an enhancement mode periodic table group III-IV semiconductor field-effect transistor complementary pair device. The device features single metallization for ohmic and Schottky barrier contacts, a permanent non-photosensitive passivation layer, and gate elements designed for optimal microwave spectrum electrical characteristics. The complementary pair is fabricated from undoped semiconductor materials in a layered wafer structure, selectively doped by ion implantation to create both p-channel and n-channel transistors. This innovation promises reduced fabrication costs, increased dimensional accuracy, and state-of-the-art electrical performance.

Another significant patent is the "Complementary heterostructure integrated single metal transistor fabrication method." This method outlines the fabrication of a periodic table group III-IV metal semiconductor metal field-effect enhancement mode complementary transistor pair device, typically made from gallium arsenide materials. The process utilizes initially undoped semiconductor materials, single metallization for contacts, and an inorganic dielectric material layer for non-photosensitive masking. The invention employs selective ion implantations and a combination of optical and electron beam lithographic processes, resulting in a complementary pair that boasts reduced fabrication costs and low electrical energy operating requirements.

Career Highlights

Throughout his career, Havasy has contributed significantly to the field of semiconductor technology. He has worked with the United States of America as represented by the Secretary of the Air Force, where his innovations have played a crucial role in advancing military and aerospace technologies.

Collaborations

Havasy has collaborated with notable professionals in his field, including Kenichi Nakano and Christopher A Bozada. Their combined expertise has further enhanced the impact of his inventions.

Conclusion

Charles K Havasy's contributions to semiconductor technology through his innovative patents have established him as a prominent figure in the field. His work continues to influence advancements in electrical performance and fabrication methods.