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. 10, 1994
Filed:
Jul. 17, 1992
James C Lau, Torrance, CA (US);
Richard P Malmgren, Rancho Dominguez, CA (US);
Kenneth Lui, Fountain Valley, CA (US);
TRW Inc., Redondo Beach, CA (US);
Abstract
An integrated waveguide/stripline signal transition structure and method for fabricating the same are provided for allowing high frequency signal transitions. The signal transition structure includes a waveguide which has a conductive cavity for guiding electromagnetic waves therethrough. A first conductive circuit layer is fabricated within the conductive cavity and is electrically connected thereto. A second conductive signal layer is fabricated within the conductive cavity and is isolated from the conductive cavity and the first conductive signal layer. A plurality of dielectric layers are provided which suspend the first and second conductive signal layers within the conductive cavity. The second conductive signal layer and the conductive cavity thereby allow for signal transitions therebetween. The first and second conductive signal layers and dielectric material are integrally fabricated on top of a removable material which is subsequently removed. In an alternate embodiment, a single dielectric layer is provided for suspending the first and second conductive signal layers. In addition, an array of signal transition structures may be integrally fabricated within a housing structure.