Patent · US Expired

Transmission line to waveguide interconnect and method of forming same including a heat spreader

US7479841B2 · kind B2 · utility

196Cited by
10References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 15, 2005
Grant dateJan 20, 2009
Priority date
Expiry dateJul 15, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01P5/107
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

An MMIC chip is disclosed that includes a planar substrate having a first surface and a second surface, a conductive layer having an opening on the first surface, a transmission line on the second surface, at least one conductor extending from the conductive layer to the second surface defining a waveguide around the opening, wherein the transmission line is connected to the at least one conductor such that a signal traveling along the transmission line is guided toward the opening in the first side by the at least one conductor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.