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:
Dec. 21, 1999
Filed:
Apr. 03, 1998
Applicant:
Inventors:
Richard R Mett, Santa Clara, CA (US);
Mahmoud Dahimene, Gaithersburg, MD (US);
Siamak Salimian, Sunnyvale, CA (US);
Assignee:
Applied Materials, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F / ;
U.S. Cl.
CPC ...
323281 ; 323275 ;
Abstract
A DC power supply having a pair of 'piggybacked' voltage supplies, where a reference voltage supply provides a reference voltage for a variable voltage supply and each voltage supply is coupled to a current sink. The power supply is capable of sourcing and sinking current through a single output terminal when supplying a positive or negative output voltage with respect to ground.