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:
Nov. 04, 2014
Filed:
Aug. 15, 2012
Applicants:
Gyu Jei Lee, Seoul, KR;
Kang Won Lee, Icheon-si, KR;
Hyun Joo Kim, Icheon-si, KR;
Inventors:
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor chip includes a semiconductor substrate having one surface, an other surface which faces away from the one surface, and through holes which pass through the one surface and the other surface; through electrodes filled in the through holes; and a gettering layer formed of polysilicon interposed between the through electrodes and inner surfaces of the semiconductor substrate whose form is defined by the through holes.