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. 01, 2001
Filed:
Apr. 02, 1999
Applicant:
Inventors:
Ik-Sung Lim, Gilbert, AZ (US);
David G. Morgan, Phoenix, AZ (US);
Kuntal Joardar, Chandler, AZ (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/900 ; H01L 2/976 ; H01L 2/994 ;
U.S. Cl.
CPC ...
H01L 2/900 ; H01L 2/976 ; H01L 2/994 ;
Abstract
A semiconductor structure (,) having device isolation structures (,) and shielding structures (,). The shielding structures (,) are formed in a semiconductor material (,) and the device isolation structures (,) are formed within the corresponding shielding structures (,). A noise generating device is formed within a first shielding structure (,) and a noise sensitive device is formed within a second shielding structure (,). The two shielding structures (,) are grounded and prevent noise from the noise generating device from interfering with the noise sensitive device.