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:
Dec. 14, 2000
Lars-Anders Olofsson, Järfälla, SE;
Bengt Ahl, Gävle, SE;
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Abstract
The present invention relates to a power transistor module for radio frequency applications, particularly for use in an amplifier stage in a radio base station or a ground transmitter for TV or radio, wherein said power transistor module comprises a support, a power transistor chip arranged thereon, outer electrical connections projecting from the module, and inner electrical connections connected between said transistor chip and said outer connections, where at least one of said outer electrical connections is comprised of a first conductor pattern arranged on a flexible foil. The invention further comprises a power amplifier comprising said power transistor module, a method for fabrication of a power amplifier, wherein said module is electrically connected to a circuit board mounted at a heat sink and is mounted at said heat sink, and finally a power amplifier manufactured according to the method.