US 7,583,226 B2
Dielectric antenna
Kiyoyasu Sakurada, Moriyama (Japan)
Assigned to Murata Manufacturing Co., Ltd., Kyoto-fu (Japan)
Appl. No. 10/585,672
PCT Filed Feb. 17, 2005, PCT No. PCT/JP2005/002392
§ 371(c)(1), (2), (4) Date Jul. 07, 2006,
PCT Pub. No. WO2005/081363, PCT Pub. Date Sep. 01, 2005.
Claims priority of application No. 2004-049515 (JP), filed on Feb. 25, 2004.
Prior Publication US 2009/0021443 A1, Jan. 22, 2009
Int. Cl. H01Q 1/38 (2006.01)
U.S. Cl. 343—700MS  [343/702] 12 Claims
OG exemplary drawing
 
1. A dielectric antenna comprising:
a dielectric block; and
a radiation electrode, a feeding electrode and a fixing electrode provided on the dielectric block,
wherein the dielectric block contains:
at least one crystalline thermoplastic resin selected from the group consisting of polypropylenes, polyethylenes, polyethylene terephthalates, polybutylene terephthalates, polyphenylene sulfides and polyacetals;
ceramic powder; and
an acid-modified styrenic thermoplastic elastomer, and
wherein the acid-modified styrenic thermoplastic elastomer content in the dielectric block is 3% to 20% by volume.