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Design of microstrip patch antennas in LTCC technology

Pérez Alvarez, Vicente (2007) Design of microstrip patch antennas in LTCC technology. Diploma. DLR-Interner Bericht. IB 554/-07/02, 69 S.

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Abstract

LTCC (Low Temperature Co-fired Ceramic) is a process technology used to manufacture circuits with multiple layers. LTCC has been mainly used for integrated circuits. However, its applications to microstip patch antennas are also advantageous. Microstrip patch antennas have been designed and manufactured with different materials for many years within the Antenna Group of the German Aerospace Center. However, the group had till present no experience with LTCC technology. The aim of this work is to determine the advantages and disadvantages in the modelling and fabrication of microstrip antennas in LTCC technology taking into account the manufacturing constraints. For this purpose a design of a single patch antenna for future use in an array is done. LTCC technology can handle buried active and passive components, and the manufacturing is suitable for mass production at low cost. A drawback of LTCC is that it uses substrates with high dielectric constant causing inefficient radiators. Techniques for improvement of the efficiency, radiation pattern and polarization bandwidth of patch antennas are also analysed. With the aid of simulation tools, it is shown that the gain pattern of patch antennas can remain constant through a wide observation angle with respect to broadside. This is a useful result when extending the single element design to an array.

Document Type:Monograph (DLR-Interner Bericht, Diploma)
Title:Design of microstrip patch antennas in LTCC technology
Authors:
AuthorsInstitution or Email of Authors
Pérez Alvarez, VicenteUNSPECIFIED
Date:April 2007
Refereed publication:No
Number of Pages:69
Status:Published
Keywords:antenna, LTCC, Ka-band, patch
Institution:Chalmers University of Technology
Department:Department of Electrical Engineering
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L - no assignement
DLR - Research theme (Project):L -- no assignement
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation
Institute of Communication and Navigation > Navigation
Deposited By: Dr.-Ing. Lukasz Greda
Deposited On:16 Jul 2007
Last Modified:12 Dec 2013 20:26

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