ARLA/CLUSTER: Nova técnica para a produção de antenas compactas.

[João Gonçalves Costa]

 3-D printing method advances electrically small antenna design

Science Daily report on a new technique to produce compact antennas that are a twelfth of a wavelength or less.

The report says:
"Recent attention has been directed toward producing antennas by screen-printing, inkjet printing, and liquid metal-filled microfluidics in simple motifs, such as dipoles and loops," explained Jennifer T. Bernhard, a professor of electrical and computer engineering at Illinois.

"However, these fabrication techniques are limited in both spatial resolution and dimensionality, yielding planar antennas that occupy a large area relative to the achieved performance."

"Omnidirectional printing of metallic nanoparticle inks offers an attractive alternative for meeting the demanding form factors of 3D electrically small antennas (ESAs)," stated Jennifer A. Lewis, the Hans Thurnauer Professor of Materials Science and Engineering and director of the Frederick Seitz Materials Research Laboratory at Illinois.

"To our knowledge, this is the first demonstration of 3D printed antennas on curvilinear surfaces," Lewis stated.

Read the full Science Daily article at
http://www.sciencedaily.com/releases/2011/03/110316113047.htm


Fonte: George Boorer, ZL3PN