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. 18, 2011
Filed:
Jun. 25, 2009
Jong Han Shin, Seoul, KR;
Hyung Soon Park, Gyeonggi-do, KR;
Jum Yong Park, Gyeonggi-do, KR;
Sung Jun Kim, Gyeonggi-do, KR;
Young Ju Lee, Seoul, KR;
Jong Han Shin, Seoul, KR;
Hyung Soon Park, Gyeonggi-do, KR;
Jum Yong Park, Gyeonggi-do, KR;
Sung Jun Kim, Gyeonggi-do, KR;
Young Ju Lee, Seoul, KR;
Hynix Semiconductor Inc., Gyeonggi-do, KR;
Abstract
A semiconductor device having vertically aligned transistors made from pillar structures that have flat side surfaces is presented. The semiconductor device includes a semiconductor substrate, spacers, and gates. The semiconductor substrate has pillar structures that have flat side surfaces. The spacers are on sidewalls only on the upper portions of the pillar structures. The gates surround lower portions of the pillar structures.