Title:
バラン
Document Type and Number:
Japanese Patent JP4703698
Kind Code:
B2
Abstract:
A balun includes a first, second, and third metallic layers, a first dielectric layer disposed between the second and third metallic layers, and a dielectric substrate. The second metallic layer includes a first spiral line having sequentially connected first line segments and a second spiral line having sequentially connected second line segments. A first distance between each two opposite sides of a first region encircled by the innermost first line segments is greater than a second distance between each two adjacent parallel first line segments. A third distance between each two opposite sides of a second region encircled by the innermost second line segments is greater than a fourth distance between each two adjacent parallel second line segments. The third metallic layer includes a third and a fourth spiral lines. The first metallic layer and other elements as a whole are disposed on an opposite surface of the dielectric substrate.
Inventors:
Liu Qinghong
Yanagi Tadashi
Hiroshi Wang
Yanagi Tadashi
Hiroshi Wang
Application Number:
JP2008222325A
Publication Date:
June 15, 2011
Filing Date:
August 29, 2008
Export Citation:
Assignee:
Inui Technology Co., Ltd.
International Classes:
H01P5/10; H01F19/06
Domestic Patent References:
| JP61021601A | ||||
| JP2002050910A | ||||
| JP2006025237A | ||||
| JP2004320561A |
Attorney, Agent or Firm:
sk patent corporation
Akihiko Okuno
Hiroyuki Ito
Akihiro Ryuka
Kazutoshi Iiyama
Akashi Hideya
Higashiyama Tadayoshi
Shigenori Hayashi
Manabu Takada
Akihiko Okuno
Hiroyuki Ito
Akihiro Ryuka
Kazutoshi Iiyama
Akashi Hideya
Higashiyama Tadayoshi
Shigenori Hayashi
Manabu Takada