Ultrawideband communication antenna

Details Ultrawideband communication antenna Ultrawideband communication antenna

2007-08-06

2010-12-14

Owens, Douglas W (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S872000, C343S873000

Reexamination Certificate

active

07852269

ABSTRACT:
According to the ultrawideband communication antenna, since surfaces of the antenna element are coated with the first resin layer and the second resin layer each of which is mixed with the nonmagnetic metal powder and has an insulating property and a high specific inductive capacity, the size is largely reduced. Further, since the nonmagnetic metal powder is used, the first resin layer and the second resin layer are free from a loss of magnetism generated therein, thereby enabling to maintain a loss of the antenna to a low level.

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Fujitsu Kabushiki Kaisha Electronic Device Division, “FIND”, vol. 23, No. 1, Jan. 2005 pp. 32-35, Japan.
Fujitsu Kabushiki Kaisha Electronic Device Division, “Uwb Ring Filter and Plane Antenna”, “FIND”, vol. 23, No. 1, Jan. 2005 pp. 37-42, Japan.
Aoyagi et al, “Small Resinous UWB Chip Antenna Using Metal Powder”, ICUWB 2007, IEEE International Conference of Ultra-wideband, Sep. 24, 2007-Sep. 26, 2007, pp. 692-695.

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