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.:
Date of Patent:
Oct. 13, 2026
Filed:
Jun. 20, 2022
Changxin Memory Technologies, Inc., Hefei City, CN;
Shuai Guo, Hefei, CN;
CHANGXIN MEMORY TECHNOLOGIES, INC., Hefei City, CN;
Abstract
A storage device and a method for forming a storage device are provided. The storage device includes: a semiconductor substrate, active areas being formed in the semiconductor substrate, and spaced apart from each other by first trenches and second trenches extending along a first direction and third trenches extending along a second direction; a bit line doped area arranged at a bottom portion of each second trench and at a bottom portion of a communication region of each third trench with each second trench; a first isolation layer arranged in each first trench and each third trench; a gate dielectric layer arranged on surfaces of the active areas and surrounding the active areas; metal gates arranged on a surface of the gate dielectric layer on side walls of the active areas and surrounding the active areas; and a source area arranged on a top surface of each active area.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile