Title:
COMPOSITE SUBSTRATE TYPE CIRCULATOR
Document Type and Number:
WIPO Patent Application WO/2001/099225
Kind Code:
A1
Abstract:
A composite substrate type circulator comprising a conductive thin film formed on a ferrite disc (10) and a second dielectric material film (4) for constructing a circulator circuit, the conductive thin film being made of a three-layered laminate structure which is composed of a first conductive film (3) formed on the upper faces of the ferrite disc (10) and the second dielectric material film (4), a nonmagnetic conductive layer film (1) formed on the first conductive film (3), and a second conductive film (2) formed on said nonmagnetic conductive film (1).
Inventors:
MYOHGA OSAMU (JP)
FURUYA MITSURU (JP)
OKADA YOSHITSUGU (JP)
FURUYA MITSURU (JP)
OKADA YOSHITSUGU (JP)
Application Number:
PCT/JP2001/005220
Publication Date:
December 27, 2001
Filing Date:
June 19, 2001
Export Citation:
Assignee:
NEC CORP (JP)
MYOHGA OSAMU (JP)
FURUYA MITSURU (JP)
OKADA YOSHITSUGU (JP)
MYOHGA OSAMU (JP)
FURUYA MITSURU (JP)
OKADA YOSHITSUGU (JP)
International Classes:
H01P1/36; H01P1/387; H01P11/00; (IPC1-7): H01P1/387
Foreign References:
| JPS63232421A | 1988-09-28 | |||
| JPH02241680A | 1990-09-26 | |||
| JP2000323905A | 2000-11-24 |
Attorney, Agent or Firm:
Amano, Hiroshi (40-4 Shiba 3-chome Minato-ku, Tokyo, JP)
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