JP2019129532A - アンテナ装置及びアンテナモジュール - Google Patents
アンテナ装置及びアンテナモジュール Download PDFInfo
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Abstract
Description
110 アンテナパターン
115 上部結合パターン
120 給電ビア(feed via)
121 第2遮蔽ビア
122 スリット
125 グランド(ground)パターン
126 第1遮蔽ビア
130 メタ(meta)部材
131 導電性ビア
132、133、134、135、136 導電性パターン
200、1200 連結部材
210 第2アンテナパターン
215 ディレクターパターン
220 給電線(feed line)
310 IC(Integrated Circuit)
320 接着部材
330 電気連結構造体
340 封止材(encapsulant)
350 受動部品(passive component)
360 遮蔽(shielding)部材
410 サブ基板
420 コネクタ(connector)
Claims (20)
- 貫通孔を有するグランドパターンと、
前記グランドパターンの上側に配置され、RF信号を送信及び/又は受信するように構成されたアンテナパターンと、
前記貫通孔を貫通するように配置され、一端が前記アンテナパターンと電気的に連結される給電ビアと、
複数の導電性パターン、及び前記複数の導電性パターンを電気的に連結する少なくとも一つの導電性ビアをそれぞれ含む複数のセルが離隔して繰り返し配置された構造を有するメタ部材と、を含み、
前記メタ部材は、グランドパターンの上側で前記アンテナパターンの側境界の少なくとも一部に沿って配置され、且つ前記アンテナパターンよりも上位まで拡張して配置される、アンテナ装置。 - 上下方向から見たとき、少なくとも一部が前記アンテナパターンと重なるように、前記アンテナパターンの上側に配置される上部結合パターンをさらに含む、請求項1に記載のアンテナ装置。
- 前記メタ部材は、上下方向から見たとき、前記アンテナパターンにおいて第1側面方向に離隔して配置される複数の第1セルと、上下方向から見たとき、前記アンテナパターンにおいて前記第1側面方向と反対方向に離隔して配置される複数の第2セルと、を含み、
前記給電ビアの一端は、前記アンテナパターンの中心から前記第1側面方向と異なる第2側面方向に偏った地点に電気的に連結される、請求項2に記載のアンテナ装置。 - 一端が前記アンテナパターンの中心から前記第1側面方向に偏った地点に電気的に連結される第2給電ビアをさらに含み、
前記メタ部材は、上下方向から見たとき、前記アンテナパターンにおいて前記第2側面方向に離隔して配置される複数の第3セルと、上下方向から見たとき、前記アンテナパターンにおいて前記第2側面方向と反対方向に離隔して配置される複数の第4セルと、をさらに含む、請求項3に記載のアンテナ装置。 - 前記複数の第1セルはa×n構造で配列され、
前記複数の第2セルはb×n構造で配列され、
前記複数の第3セルはc×n構造で配列され、
前記複数の第4セルはd×n構造で配列され、
前記nは自然数であり、前記a、b、c、dはnよりも大きい自然数である、請求項4に記載のアンテナ装置。 - 前記メタ部材は、前記複数の第1セルの一端と前記複数の第3セルの一端の間に配置された複数の第1ダミーセルと、前記複数の第1セルの他端と前記複数の第4セルの一端の間に配置された複数の第2ダミーセルと、前記複数の第2セルの一端と前記複数の第3セルの他端の間に配置された複数の第3ダミーセルと、前記複数の第2セルの他端と前記複数の第4セルの他端の間に配置された複数の第4ダミーセルと、を含み、
前記複数の第1ダミーセル、前記複数の第2ダミーセル、前記複数の第3ダミーセル及び前記複数の第4ダミーセルはそれぞれ、前記複数の第1セル、前記複数の第2セル、前記複数の第3セル及び前記複数の第4セルのそれぞれよりも大きい、請求項5に記載のアンテナ装置。 - 前記メタ部材は、前記アンテナパターンの側境界の少なくとも一部に沿って配置され、且つ前記上部結合パターンの同位まで拡張して配置される、請求項2から6のいずれか一項に記載のアンテナ装置。
- 前記メタ部材は、前記複数の導電性パターンのうち最上位の導電性パターンの前記グランドパターンからの垂直離隔距離が、前記上部結合パターンの前記グランドパターンからの垂直離隔距離と同一となるように配置され、
前記メタ部材は、前記複数の導電性パターンのうち最下位の導電性パターンの前記グランドパターンからの垂直離隔距離が、前記アンテナパターンの前記グランドパターンからの垂直離隔距離と同一となるように配置される、請求項2から7のいずれか一項に記載のアンテナ装置。 - 前記メタ部材は、前記複数の導電性パターンのうち少なくとも一つの前記グランドパターンからの垂直離隔距離が、前記上部結合パターンの前記グランドパターンからの垂直離隔距離よりも短く、前記アンテナパターンの前記グランドパターンからの垂直離隔距離よりも長くなるように配置される、請求項8に記載のアンテナ装置。
- 前記メタ部材は、上下方向から見たとき、前記複数のセルのアンテナパターンの水平離隔距離が、前記複数の導電性パターンのうち最上位の導電性パターンの前記グランドパターンからの垂直離隔距離よりも短く、前記複数の導電性パターンのうち最下位の導電性パターンの前記グランドパターンからの垂直離隔距離よりも長くなるように配置される、請求項1から9のいずれか一項に記載のアンテナ装置。
- 前記メタ部材は、上下方向から見たとき、前記複数のセルのアンテナパターンに対する水平離隔距離が互いに均一であり、且つ前記複数のセル間の間隔よりも長くなるように配置される、請求項1から10のいずれか一項に記載のアンテナ装置。
- 前記アンテナパターンは多角形のパッチ(patch)形態を有し、
前記複数の導電性パターンはそれぞれ、前記アンテナパターンに対応する多角形の形状を有しており、
前記複数の導電性パターンのそれぞれの一辺の長さは、前記複数の導電性パターンのうち最上位の導電性パターンの前記グランドパターンからの離隔距離よりも短く、前記複数の導電性パターンのうち最下位の導電性パターンの前記グランドパターンからの離隔距離よりも長い、請求項1から11のいずれか一項に記載のアンテナ装置。 - 前記メタ部材は、最下位の導電性パターンから前記グランドパターンまでの離隔距離が、前記複数の導電性パターンのうち最上位の導電性パターンから前記最下位の導電性パターンまでの離隔距離よりも長くなるように配置される、請求項1から12のいずれか一項に記載のアンテナ装置。
- 前記グランドパターンと電気的に連結されるように配置され、上下方向から見たとき、前記メタ部材の少なくとも一部を囲むように配置される複数の第1遮蔽ビアをさらに含む、請求項1から13のいずれか一項に記載のアンテナ装置。
- 前記グランドパターンと電気的に連結されるように配置され、上下方向から見たとき、前記貫通孔を囲むように配置される複数の第2遮蔽ビアをさらに含む、請求項14に記載のアンテナ装置。
- 前記グランドパターンは、上下方向から見たとき、前記メタ部材と前記アンテナパターンの間、前記アンテナパターン、及び前記メタ部材の少なくとも一部とすべて重なる、請求項1から15のいずれか一項に記載のアンテナ装置。
- 前記複数のセルは、RF信号に対する負の屈折率を有するように配列される、請求項1から16のいずれか一項に記載のアンテナ装置。
- 複数の配線、前記複数の配線の上側に配置されたグランドパターン、及び前記複数の配線の下側で前記複数の配線と電気的に連結される複数の配線ビアを含む連結部材と、
前記複数の配線ビアのうちの少なくとも1つと電気的に連結され、前記連結部材の下側に配置されたICと、
前記複数の配線と電気的に連結され、前記連結部材の上側に配置された複数のアンテナ装置と、を含み、
前記複数のアンテナ装置のうち少なくとも一つは、RF信号を送信及び/又は受信するように構成されたアンテナパターンと、上下方向から見たとき、少なくとも一部が前記アンテナパターンと重なるように前記アンテナパターンの上側に配置される上部結合パターンと、一端が前記アンテナパターンの中心から第2側面方向に偏った地点に電気的に連結される第1給電ビアと、一端が前記アンテナパターンの中心から第1側面方向に偏った地点に電気的に連結される第2給電ビアと、RF信号に対する負の屈折率を有するように配列された複数の導電性パターンを含み、上下方向から見たとき、前記アンテナパターンを囲むメタ部材と、を含む、アンテナモジュール。 - 前記連結部材は、前記複数の配線と電気的に連結され、前記アンテナパターンと異なる方向にRF信号を送信及び/又は受信するように構成された第2アンテナパターンをさらに含む、請求項18に記載のアンテナモジュール。
- 前記連結部材の下側に配置され、前記ICよりも長い高さを有し、前記複数の配線のうち前記複数のアンテナ装置と電気的に連結されていない配線と電気的に連結されるコアビアを含む支持部材と、
前記コアビアと電気的に連結されるように前記支持部材の下側に配置される電気連結構造体と、をさらに含む、請求項18または19に記載のアンテナモジュール。
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