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.

Patent No.:

US 6646315 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 11, 2003

Filed:

Apr. 22, 2002
Applicant:
Inventors:

Mark B. Johnson, Springfield, VA (US);

Gary A. Prinz, Alexandria, VA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 3/1115 ;
U.S. Cl.
CPC ...
H01L 3/1115 ;
Abstract

A Hall effect device comprising: (a) an electrically-conductive layer or plate having a top surface; and (b) a ferromagnetic layer, where the conductive film or layer is composed of high mobility semiconductors. Also, a Hall effect device can have a ferromagnetic element that is a multilayer (e.g., a bilayer), and a device in which the Hall plate comprises an indium compound, germanium or mixtures thereof. The devices are useful for a variety of applications such as a memory element in a nonvolatile random access memory array (NRAM) and as a logic gate.


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Johnson, Mark. (2003). Conductive film layer for hall effect device (U.S. Patent No. 6646315). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6646315

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