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:
Sep. 19, 2017
Filed:
May. 06, 2016
Semiconductor Components Industries, Llc, Phoenix, AZ (US);
Samir Mouhoubi, Oudenaarde, BE;
Joris Baele, Ghent, BE;
SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC, Phoenix, AZ (US);
Abstract
A semiconductor device includes a charge-compensating region with a first structure disposed adjoining an end portion of the charge-compensating region. The first structure is configured to reduce charge-imbalances present in the charge-compensating region. In one embodiment, the first structure includes a trench that extends along the vertical depth of the charge-compensated trench so that the final charge-compensating region is provided without corner portions. In one embodiment, a material, such as a dielectric material and/or a polycrystalline semiconductor material, may be disposed within the trench and at least along the end portion of the charge-compensating region. Among other things, the first structure improves device electrical performance and manufacturing yields.