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:
Mar. 18, 1997

Filed:

Jan. 25, 1994
Applicant:
Inventors:

Jon T Fitch, Austin, TX (US);

Carlos A Mazure, Austin, TX (US);

Keith E Witek, Austin, TX (US);

Assignee:

Motorola Inc., Schaumburg, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
257329 ; 257369 ;
Abstract

A transistor (10) has a substrate (12) and a diffusion (14). A gate conductive layer (18) overlies the substrate (12) and has a sidewall formed by an opening that exposes the substrate (12). A sidewall dielectric layer (22) formed laterally adjacent the conductive layer (18) sidewall functions as a gate dielectric for the transistor (10). A conductive region is formed within the opening. The conductive region has a first current electrode region (28) and a second control electrode region (34) and a channel region (30) laterally adjacent the sidewall dielectric layer (22). A plurality of transistors, each in accordance with transistor (10), can be stacked in a vertical manner to form logic gates such as NMOS or PMOS NAND, NOR, and inverter gates, and/or CMOS NAND, NOR, and inverter gates with one or more inputs.


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