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:
Jun. 17, 2003
Filed:
Aug. 16, 2001
Franco Preti, Bollate, IT;
LPE SpA, Milan, IT;
Abstract
Chemical vapor deposition epitaxial reactor comprising two reaction chambers, each provided with a susceptor, enclosed in a bell jar, to be induction heated by an induction coil supplied by a medium frequency AC generator, and generator means for providing a medium frequency power supply to the two induction coils of both the reaction chambers, wherein the means for power supplying the two induction coils are alternatively actuated, so that when one of the reaction chambers is heated the other one is purged, loaded and/or unloaded, providing however a time overlap of 1 to 10 minutes between the heating times of the two processes. A computerized controller provides to control the medium frequency generators in accordance with a dedicated software for providing an actuating method to the specific reactor.