Communications: radio wave antennas – Antennas – With radio cabinet
Reexamination Certificate
2006-11-14
2006-11-14
Dinh, Trinh (Department: 2821)
Communications: radio wave antennas
Antennas
With radio cabinet
C343S895000
Reexamination Certificate
active
07136021
ABSTRACT:
A ceramic chip antenna for transmitting and receiving wireless signals. The antenna includes a substrate and a conductor. The substrate is made of sintered ceramic material with a low dielectric loss and a high dielectric constant. A pair of concavities is cut from both longitudinal ends of the substrate. The conductor is made of metal with a high Q factor as well as a good anti-oxidization property, being formed on surfaces of the substrate by means of mask etching or printing technology. The conductor has a circuit portion disposed on surfaces of the substrate in a meandered or helical manner, and two conducting electrodes disposed at the two concavities of the substrate and connected by the circuit portion.
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Fang Ching Shu
Huang Yuh Hui
Cirex Technology Corporation
Dinh Trinh
Mancuso Huedung
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