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:
Jan. 04, 2005
Filed:
Nov. 08, 2002
Applicant:
Ju-il Lee, Kyoungki-do, KR;
Inventor:
Ju-Il Lee, Kyoungki-do, KR;
Assignee:
Hynix Semiconductor Inc., Kyoungki-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2100 ;
U.S. Cl.
CPC ...
Abstract
A method capable of removing dangling bonds generated on a surface of a photodiode is disclosed herein. The method includes steps of providing a semiconductor substrate having a light sensing area and removing dangling bonds at a surface of the light sensing area by diffusing hydrogen ions to the surface of the light sensing area.