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. 17, 2005
Filed:
Aug. 20, 2003
Ming-yeh Chuang, McKinney, TX (US);
William C. Loftin, Plano, TX (US);
Scott K. Montgomery, Rowlett, TX (US);
Ming-Yeh Chuang, McKinney, TX (US);
William C. Loftin, Plano, TX (US);
Scott K. Montgomery, Rowlett, TX (US);
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
The present invention provides a diodethat includes a substratedoped with a first type dopant and a double implanted guard ringlocated within the substrate and doped with a second type dopant opposite the first type dopant and having a first doped profile regionand a second doped profile region. The present invention also includes a method of manufacturing this diode and an integrated circuit that utilizes this diodewithin a CMOS and bipolar transistor integrated circuit