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. 04, 2011
Filed:
Dec. 17, 2007
Richard K. Williams, Cupertino, CA (US);
Donald Ray Disney, Cupertino, CA (US);
Wai Tien Chan, Hong Kong, CN;
Richard K. Williams, Cupertino, CA (US);
Donald Ray Disney, Cupertino, CA (US);
Wai Tien Chan, Hong Kong, CN;
Advanced Analogic Technologies, Inc., Santa Clara, CA (US);
Advanced Analogic Technologies (Hong Kong) Limited, Hong Kong, CN;
Abstract
An isolated diode comprises a floor isolation region, a dielectric-filled trench and a sidewall region extending from a bottom of the trench at least to the floor isolation region. The floor isolation region, dielectric-filled trench and a sidewall region are comprised in one terminal (anode or cathode) of the diode and together form an isolated pocket in which the other terminal of the diode is formed. In one embodiment the terminals of the diode are separated by a second dielectric-filled trench and sidewall region.