JP7126619B2 - アレイアンテナ装置 - Google Patents
アレイアンテナ装置 Download PDFInfo
- Publication number
- JP7126619B2 JP7126619B2 JP2021530740A JP2021530740A JP7126619B2 JP 7126619 B2 JP7126619 B2 JP 7126619B2 JP 2021530740 A JP2021530740 A JP 2021530740A JP 2021530740 A JP2021530740 A JP 2021530740A JP 7126619 B2 JP7126619 B2 JP 7126619B2
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- carrier
- main surface
- antenna unit
- groove
- array antenna
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- H01Q—ANTENNAS, i.e. RADIO AERIALS
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- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
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- H01Q21/065—Patch antenna array
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Description
図1から図4Fを参照して、実施の形態1のアレイアンテナ装置1を説明する。アレイアンテナ装置1は、キャリア6と、接合部材7と、第1アンテナユニット2aと、第2アンテナユニット2bとを主に備えている。アレイアンテナ装置1は、筐体5と、外部基板35と、電子部品37と、電気接続部材40とをさらに備えてもよい。
配線層15は、導体17をさらに含んでいる。導体17は、絶縁層16中に設けられている。導体17の一方端は、接続端子30に接続されている。導体17の他方端は、能動回路13または制御回路14に接続されている。導体17の厚さは、例えば、5μm以上30μm以下である。導体17の幅は、導体17を流れる電流の量または周波数などによって決定される。導体17の幅は、特に限定されないが、5μm以上500μm以下である。導体17は、例えば、銅のような低い電気抵抗を有する金属材料で形成されている。導体17の防錆のために、導体17の表面に、ニッケルめっきと金めっきとが施されてもよい。
本実施の形態のアレイアンテナ装置1は、キャリア6と、接合部材7と、第1アンテナユニット2aと、第2アンテナユニット2bを備えている。キャリア6は、第1主面6sと、第1主面6sとは反対側の第2主面6uとを有する。接合部材7は、第1接合部7aと、第2接合部7bとを含む。第1アンテナユニット2aは、キャリア6の第1主面6sに、第1接合部7aを用いて接合されている。第2アンテナユニット2bは、キャリア6の第1主面6sに、第2接合部7bを用いて接合されている。第2アンテナユニット2bは、第1アンテナユニット2aからギャップ10gを空けて配置されている。第1アンテナユニット2aと第2アンテナユニット2bとは、各々、キャリア6に近位する配線基板10と、キャリア6から遠位する誘電体基板26とを含む。配線基板10は、キャリア6に対向する第3主面10hと、第3主面10hとは反対側であり、かつ、誘電体基板26に対向する第4主面10sとを有する。配線基板10は、配線基板10の第4主面10s上に設けられている給電パッチアンテナ素子19を含む。誘電体基板26は、給電パッチアンテナ素子19に対応して配置されている無給電パッチアンテナ素子29を含む。キャリア6には、第1主面6sから第2主面6uに向けて延在する溝8が設けられている。キャリア6の第1主面6sの平面視において、溝8は、第1アンテナユニット2aと第2アンテナユニット2bとの間のギャップ10gに対応して配置されている。給電パッチアンテナ素子19の第1頂面19tから溝8の底面8bまで延在するスリット60が、第1アンテナユニット2aと第2アンテナユニット2bとの間に形成されている。
図21から図23を参照して、実施の形態2に係るアレイアンテナ装置1bを説明する。本実施の形態のアレイアンテナ装置1bは、実施の形態1のアレイアンテナ装置1と同様の構成を備えているが、以下の点で主に異なっている。
図24及び図25を参照して、実施の形態3に係るアレイアンテナ装置1cを説明する。本実施の形態のアレイアンテナ装置1cは、実施の形態1のアレイアンテナ装置1と同様の構成を備えているが、以下の点で主に異なっている。
図27から図31を参照して、実施の形態4に係るアレイアンテナ装置1dを説明する。本実施の形態のアレイアンテナ装置1dは、実施の形態1のアレイアンテナ装置1と同様の構成を備えているが、以下の点で主に異なっている。
Claims (14)
- 第1主面と、前記第1主面とは反対側の第2主面とを有するキャリアと、
第1接合部と、第2接合部とを含む接合部材と、
前記キャリアの前記第1主面に前記第1接合部を用いて接合されている第1アンテナユニットと、
前記キャリアの前記第1主面に前記第2接合部を用いて接合されており、かつ、前記第1アンテナユニットからギャップを空けて配置されている第2アンテナユニットとを備え、
前記第1アンテナユニットと前記第2アンテナユニットとは、各々、前記キャリアに近位する配線基板と、前記キャリアから遠位する誘電体基板とを含み、
前記配線基板は、前記キャリアに対向する第3主面と、前記第3主面とは反対側であり、かつ、前記誘電体基板に対向する第4主面とを有し、
前記配線基板は、前記第4主面上に設けられている給電パッチアンテナ素子を含み、
前記誘電体基板は、前記給電パッチアンテナ素子に対応して配置されている無給電パッチアンテナ素子を含み、
前記キャリアには、前記第1主面から前記第2主面に向けて延在する溝が設けられており、
前記第1主面の平面視において、前記溝は、前記第1アンテナユニットと前記第2アンテナユニットとの間の前記ギャップに対応して配置されており、
前記給電パッチアンテナ素子の第1頂面から前記溝の底面まで延在するスリットが、前記第1アンテナユニットと前記第2アンテナユニットとの間に形成されており、
前記接合部材は、前記溝に入り込んでいる、アレイアンテナ装置。 - 前記配線基板は、前記第4主面上に設けられており、かつ、前記給電パッチアンテナ素子から離間されている接地導体層を含み、
前記接地導体層の第2頂面は、前記給電パッチアンテナ素子の前記第1頂面と実質的に面一であり、
前記キャリアは、電気的に接地されており、
前記スリットの深さは、実質的に、前記給電パッチアンテナ素子が送信または受信する電磁波の波長の半分の整数倍である、請求項1に記載のアレイアンテナ装置。 - 前記スリットの最小幅は、前記スリットの前記深さよりも小さい、請求項2に記載のアレイアンテナ装置。
- 前記ギャップの幅は、前記溝の幅より狭い、請求項1から請求項3のいずれか一項に記載のアレイアンテナ装置。
- 前記接合部材は、前記溝の前記底面から離間されている、請求項1から請求項4のいずれか一項に記載のアレイアンテナ装置。
- 前記第1接合部は、前記溝において、前記第2接合部から離間されている、請求項1から請求項5のいずれか一項に記載のアレイアンテナ装置。
- 前記溝の前記底面は、前記第2主面から離間されている、請求項1から請求項6のいずれか一項に記載のアレイアンテナ装置。
- 前記キャリアの前記第2主面を支持する筐体をさらに備え、
前記溝は、前記第1主面から前記第2主面まで延在しており、
前記溝の前記底面は、前記第2主面に面する前記筐体の前面であり、
前記筐体は、電気的に接地されている、請求項1から請求項6のいずれか一項に記載のアレイアンテナ装置。 - 前記キャリアの前記第2主面を支持する筐体をさらに備え、
前記筐体は、前記第2主面に面する前面を含み、
前記筐体の前記前面には、複数のピン部が設けられており、
前記キャリアの前記第2主面には、前記複数のピン部に対応した複数の挿入部が設けられており、
前記複数のピン部と前記複数の挿入部との嵌め合いによって、前記前面の平面視における前記キャリアと前記筐体との相対的な位置が固定される、請求項1から請求項6のいずれか一項に記載のアレイアンテナ装置。 - 前記溝は、前記第1主面から前記第2主面まで延在しており、
前記溝の前記底面は、前記筐体の前記前面であり、
前記筐体は、電気的に接地されている、請求項9に記載のアレイアンテナ装置。 - 前記キャリアの前記第1主面に凹部が設けられており、
前記第1アンテナユニットと前記第2アンテナユニットとは、前記凹部に接合されている、請求項1から請求項10のいずれか一項に記載のアレイアンテナ装置。 - 前記接合部材は、導電性接合部材である、請求項1から請求項11のいずれか一項に記載のアレイアンテナ装置。
- 前記接合部材は、絶縁性接合部材である、請求項1から請求項11のいずれか一項に記載のアレイアンテナ装置。
- 前記第1アンテナユニットの前記無給電パッチアンテナ素子は、複数の無給電パッチアンテナ素子であり、
前記第2アンテナユニットの前記無給電パッチアンテナ素子は、複数の無給電パッチアンテナ素子であり、
前記第1主面の前記平面視において、前記第1アンテナユニットの前記複数の無給電パッチアンテナ素子と前記第2アンテナユニットの前記複数の無給電パッチアンテナ素子とは等間隔に配列されている、請求項1から請求項13のいずれか一項に記載のアレイアンテナ装置。
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US20130187830A1 (en) | 2011-06-02 | 2013-07-25 | Brigham Young University | Planar array feed for satellite communications |
WO2016067906A1 (ja) | 2014-10-30 | 2016-05-06 | 三菱電機株式会社 | アレイアンテナ装置およびその製造方法 |
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GB2598674B (en) | 2023-07-05 |
WO2021006344A1 (ja) | 2021-01-14 |
GB202115467D0 (en) | 2021-12-08 |
GB2598674A (en) | 2022-03-09 |
JPWO2021006344A1 (ja) | 2021-01-14 |
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