Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Patent
1997-06-03
1999-07-06
Lee, Benny
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
333219, 333238, 333243, H01P 1203, H01P 308, H01P 3006, H01P 700
Patent
active
059202432
ABSTRACT:
A multi-layer thin-film electrode comprises thin conductor films and thin dielectric films each being alternately laminated on a dielectric substrate, in which an electro-magnetic field generated in the dielectric substrate and that generated in each of the thin dielectric films have substantially the same phase at a predetermined frequency. According to the multi-layer thin-film electrode of the present invention, adhesive conductor films that more readily form metallic oxide as compared with the thin conductor films are provided between the dielectric substrate and the thin conductor films adjacent thereto and between each of the thin conductor films and the thin dielectric film adjacent thereto, respectively, and an increase in the surface reactance of the thin conductor films caused by the adhesive conductor film formation is canceled by correcting the thickness of each of the thin dielectric films based on the dielectric constant of the thin dielectric film and the dielectric substrate and the thickness of at least one of the adhesive conductor films.
REFERENCES:
patent: 2769170 (1956-10-01), Clogston
patent: 5770988 (1998-06-01), Goto et al.
Hidaka Seiji
Ise Tomoyuki
Ishikawa Yohei
Matsui Norifumi
Lee Benny
Murata Manufacturing Co. Ltd.
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