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:
Nov. 18, 2014

Filed:

May. 06, 2013
Applicant:

Elpida Memory, Inc, Tokyo, JP;

Inventor:

Yoshihiro Takaishi, Tokyo, JP;

Assignee:

PS4 Luxco S.A.R.L., Luxembourg, LU;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/76 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed is a semiconductor device comprising a semiconductor substrate including first, second and third surfaces, the second surface being placed above the first surface, the third surface having first and second edges connecting to the first and second surfaces, respectively; an isolation region including an insulator and formed on the first and third surfaces; an active region including the second surface and fenced with the insulator of the isolation region; and first and second semiconductor pillars each protruding upwardly from the second surface in the active region, wherein the first semiconductor pillar is thinner than the second semiconductor pillar.


Find Patent Forward Citations

Takaishi, Yoshihiro. (2014). Semiconductor device (U.S. Patent No. 8890241). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8890241

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…