Ostrolenk, Faber, Gerb & Soffen
Composite material for dielectric lens antennas
 This invention is to provide a composite material for dielectric lens antennas which contains 3-70 percent by volume of a high dielectric constant ceramic and 30-97 percent by volume of a macromolecular material. At this time it is desirable that the mean particle diameter of the high dielectric constant ceramic is 1-50 .mu.m. It is also preferable that the macromolecular material is a thermoplastic macromolecular material. A dielectric lens is made of this composite material for the dielectric lens antennas. Further, the dielectric lens antenna is preferably produced forming a matching layer on the dielectric lens surface. 
Murata Manufacturing Co., Ltd.
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Hiroshi Jun Shunjiro Hideaki Kazunari
Nagakubo Harada Imagawa Yamada Kawabata