To provide an antenna which is a stacked structure antenna applicable to short wavelengths and has good dimensional accuracy and is excellent in productivity and is inexpensive, and a manufacturing method therefor.
A planar antenna is disclosed which includes: an antenna layer 10 having a plurality of antenna parts 11A, 11B disposed on the same substrate; an active layer 50 including an electronic circuit having an active element for transmitting or receiving a signal to or from the antenna layer 10; a coupling layer 30 which connects the antenna layer 10 to the electronic circuit by contact or electromagnetic coupling and transmits the signal from the antenna layer 10 to the active layer 50 or from the active layer 50 to the antenna layer 10; and a separation band 70 for electromagnetically separating the active layer 50 from the coupling layer 30.
COPYRIGHT: (C)2007,JPO&INPIT
KOYAMA EIJI
JPH10303640A | 1998-11-13 | |||
JPH01290301A | 1989-11-22 | |||
JP2000196331A | 2000-07-14 | |||
JP2001024401A | 2001-01-26 |
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