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:
Jul. 31, 1989
Filed:
Oct. 18, 1987
Applicant:
Inventors:
William R Knolle, Lower Macungie Township, Lehigh County, PA (US);
John W Osenbach, Spring Township, Berks County, PA (US);
Assignee:
Bell Telephone Laboratories, Incorporated, Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 52 ; 357 14 ; 357 54 ;
Abstract
A high voltage silicon device with a resistive field shield comprising semi-insulating silicon nitride (sin-SiN). The N/Si ratio is controlled to provide the resistive field shield with the desired conductivity. This resistive field shield material may also serve as an outer protection layer for the device.