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. 08, 1998
Filed:
Jul. 31, 1997
Charles D Schaper, Union City, CA (US);
Khalid A El-Awady, Mountain View, CA (US);
Thomas Kailath, Stanford, CA (US);
Stanford University, Stanford, CA (US);
Abstract
A thermal cycling module includes an array of thermoelectric devices �36! divided into multiple zones �A, B, C, D! independently controlled by corresponding variable power supplies �56, 58, 60, 62!. The thermoelectric devices �36! provide localized, precise, and rapid control of both heating and cooling, while fluid from one of several fluid supplies �64, 66, 68! provides bulk heating or cooling via a fluid heat exchanger �38!. Sensors �46, 48, 50, 52! provide feedback of temperature or other process parameters to a controller �54! which generates control signals for controlling the power supplies �56, 58, 60, 62!, the fluid supplies �64, 66, 68!, and fluid valves �70, 72! which control fluid flow through the heat exchanger �38!.
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