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:
May. 18, 2004
Filed:
Oct. 06, 2000
Applicant:
Inventor:
Tetsuo Toma, Miyagi, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/700 ;
U.S. Cl.
CPC ...
H01L 2/700 ;
Abstract
The vertical charge transfer paths have portions (regions A) whose both sides are defined, by the device isolation regions and portions (regions B) whose one side is defined by the device isolation regions . The impurity concentration of the device isolation regions used to define both sides is set lower than that of the device isolation regions used to define only one side such that a narrow channel effect in the portions of the vertical charge transfer paths , whose both sides are defined, can be reduced.