17822173. STACKED FET SUBSTRATE CONTACT simplified abstract (International Business Machines Corporation)

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STACKED FET SUBSTRATE CONTACT

Organization Name

International Business Machines Corporation

Inventor(s)

Su Chen Fan of Cohoes NY (US)

Jay William Strane of Warwick NY (US)

Gen Tsutsui of Glenmont NY (US)

Stuart Sieg of Albany NY (US)

STACKED FET SUBSTRATE CONTACT - A simplified explanation of the abstract

This abstract first appeared for US patent application 17822173 titled 'STACKED FET SUBSTRATE CONTACT

Simplified Explanation

The abstract describes a stacked field effect transistor (FET) device with an opening in a shallow trench isolation (STI) region on a substrate, an epitaxy region at the bottom of the STI region in the opening, and a substrate contact directly contacting the epitaxy region.

  • The device is a stacked field effect transistor (FET) device.
  • The device includes an opening in a shallow trench isolation (STI) region on a substrate.
  • An epitaxy region is located on the substrate at the bottom portion of the STI region in the opening.
  • A substrate contact directly contacts the epitaxy region.

Potential Applications

This technology could be used in:

  • Integrated circuits
  • Power amplifiers
  • Memory devices

Problems Solved

This technology addresses issues related to:

  • Improved performance of field effect transistors
  • Enhanced contact between substrate and epitaxy region
  • Better isolation in stacked FET devices

Benefits

The benefits of this technology include:

  • Higher efficiency in power amplifiers
  • Increased speed and performance in integrated circuits
  • Improved reliability in memory devices


Original Abstract Submitted

A stacked field effect transistor (FET) device. The device includes an opening in a shallow trench isolation (STI) region on a substrate. The device also includes an epitaxy region located on the substrate at a bottom portion of STI region in the opening. The device further includes a substrate contact that directly contacts the epitaxy region.