The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 02, 2025

Filed:

Feb. 16, 2022
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Alexander Reznicek, Troy, NY (US);

Bahman Hekmatshoartabari, White Plains, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H10D 84/60 (2025.01); H10D 10/01 (2025.01); H10D 10/40 (2025.01); H10D 64/27 (2025.01);
U.S. Cl.
CPC ...
H10D 84/615 (2025.01); H10D 10/051 (2025.01); H10D 10/40 (2025.01); H10D 64/281 (2025.01);
Abstract

A sensor device includes a vertically stacked cascode bipolar junction transistor pair, and a first trench having a first sidewall, wherein a portion of the first sidewall is provided by the first sensing surface, wherein a bipolar junction transistor and a dual-base bipolar junction transistor of the cascode bipolar junction transistor pair are stacked vertically along the first trench.


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