JP5371997B2 - 高周波回路パッケージおよびセンサモジュール - Google Patents
高周波回路パッケージおよびセンサモジュール Download PDFInfo
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- JP5371997B2 JP5371997B2 JP2010527796A JP2010527796A JP5371997B2 JP 5371997 B2 JP5371997 B2 JP 5371997B2 JP 2010527796 A JP2010527796 A JP 2010527796A JP 2010527796 A JP2010527796 A JP 2010527796A JP 5371997 B2 JP5371997 B2 JP 5371997B2
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Description
また、本発明は、高周波半導体チップが裏面表層に搭載された高周波回路を有し、該裏面表層に前記高周波回路の接地導体と同電位で、かつ前記高周波回路を囲むように第1の接地導体が形成される第1の誘電体基板と、前記高周波回路を挟むように前記第1の誘電体基板を搭載し、前記高周波回路を駆動する信号を供給する線路が形成され、前記高周波回路に対向する部位に第2の接地導体が形成された第2の誘電体基板と、を備え、前記第1の誘電体基板の第1の接地導体上に前記高周波回路を囲むように複数の第1のランドを設け、前記第2の誘電体基板の表層の前記複数の第1のランドに対向する位置に前記第2の接地導体に電気的に接続される複数の第2のランドを設け、第1のランドおよび第2のランド間を接続する複数の導電性接続部材を備え、前記高周波回路を前記複数の導電性接続部材と第1および第2の接地導体と前記高周波回路の接地導体とによって囲まれた擬似遮蔽キャビティ内に収納し、上記導電性接続部材は、半田ボールであり、前記高周波半導体チップは、前記第1の誘電体基板の裏面表層にバンプを介して実装されたことを特徴とする。
また、本発明は、高周波半導体チップが裏面表層に搭載された高周波回路を有し、該裏面表層に前記高周波回路の接地導体と同電位で、かつ前記高周波回路を囲むように第1の接地導体が形成される第1の誘電体基板と、前記高周波回路を挟むように前記第1の誘電体基板を搭載し、前記高周波回路を駆動する信号を供給する線路が形成され、前記高周波回路に対向する部位に第2の接地導体が形成された第2の誘電体基板と、を備え、前記第1の誘電体基板の第1の接地導体上に前記高周波回路を囲むように複数の第1のランドを設け、前記第2の誘電体基板の表層の前記複数の第1のランドに対向する位置に前記第2の接地導体に電気的に接続される複数の第2のランドを設け、第1のランドおよび第2のランド間を接続する複数の導電性接続部材を備え、前記高周波回路を前記複数の導電性接続部材と第1および第2の接地導体と前記高周波回路の接地導体とによって囲まれた擬似遮蔽キャビティ内に収納し、上記導電性接続部材は、半田ボールであり、前記高周波半導体チップは、前記第1の誘電体基板の裏面表層にバンプを介して実装され、前記高周波回路は複数であり、前記複数の第1及び第2の導体ランドおよび複数の半田ボールは、複数の高周波回路をそれぞれ別個に囲むように配設され、複数の高周波回路を各々、別個に区画された擬似遮蔽キャビティに収納したことを特徴とする。
また、本発明は、異なるチップ間を接続する線路が通る半田ボールを間隔L1をλ/2より小さくすることを特徴とする。
また、本発明は、第1チップが送信回路用であり、第2チップが受信回路用であり、第1チップおよび第2チップ間を接続する接続線路を第2の誘電体基板に形成することを特徴とする。
また、本発明は、複数のチップのうちの一部が複数のミキサ回路を構成し、異なる区画間に配置されたミキサ回路が所定長の伝送線路で分岐する電力分配器に接続されていることを特徴とする。
1)高周波半導体チップ22と制御アンテナ基板1に搭載された制御回路とのDCバイアス、信号接続のためのインタフェース
2)制御アンテナ基板1に形成されたトリプレート線路6との高周波信号(LOCAL信号)の接続
3)個別回路(ミキサ、電力分配器など)の動作安定のためのキャビティ形成
4)複数のチャネル間の空間アイソレーションの確保
5)受信回路全体の電磁シールド(蓋体の代わり)
6)不要波の漏洩防止
2 樹脂アンテナ基板
3 マザー制御基板
4 送信導波管
5 受信導波管
6 トリプレート線路
10 BGAボール
20 高周波回路搭載基板(高周波樹脂基板)
21 高周波回路
22 高周波半導体チップ
30 BGAボール
30G、30G1、30G2、30G3 BGAボール(接地接続)
30S、30S1、30S2 BGAボール(信号用)
40、43 信号ビア
41 導体パッド
42 信号線路
50 導波管−マイクロストリップ変換器
51 BGA導波管
52 導波管開口
53 バックショート
54 先端開放プローブ
55 誘電体が露出された部分
60 誘電体
65 導体ランド(接地接続)
66 導体ランド(信号接続)
70 マイクロストリップ線路
75 電力分配器
76 チップ抵抗器
80 ミキサ
81 APDP
90 高周波回路搭載基板
91 送信系の高周波回路
92 送信用の高周波半導体チップ
100 Auバンプ
GB 接地導体ビア
GP 接地導体パターン
RX 受信回路パッケージ
TX 送信回路パッケージ
Claims (5)
- 高周波半導体チップが裏面表層にバンプを介して実装された高周波回路を有し、前記高周波回路の接地導体と同電位で、かつ前記高周波回路を囲むように第1の接地導体が前記高周波回路の実装面である裏面表層に形成される第1の誘電体基板と、
前記高周波回路を挟むように前記第1の誘電体基板を搭載し、前記高周波回路を駆動する信号を供給する線路が形成され、前記高周波回路に対向する部位でかつ表層に第2の接地導体が形成された、第2の誘電体基板と、
を備え、前記第1の誘電体基板の第1の接地導体上に前記高周波回路を囲むように、高周波回路の動作信号波長の1/4未満の間隔で、複数の第1のランドを設け、前記第2の誘電体基板の表層の前記複数の第1のランドに対向する位置に前記第2の接地導体に電気的に接続されて、高周波回路の動作信号波長の1/4未満の間隔で形成される複数の第2の導体ランドを設け、
第1のランドおよび第2のランド間を接続する複数の半田ボールを備え、
前記第2の接地導体が形成される第2の誘電体基板の表層と、前記第2のランドが設けられる前記第2の誘電体基板の表層とは同一面であり、
前記第1及び第2の導体ランドを接続する半田ボールによって囲まれた領域は、高周波信号の自由空間伝搬波長の1/2未満であるか、あるいは1/2となる長さを避けた縦横寸法を有し、
前記高周波回路を前記複数の半田ボールと第1および第2の接地導体と前記高周波回路の接地導体とによって囲まれた擬似遮蔽キャビティ内に収納することを特徴とする高周波回路パッケージ。 - 前記高周波回路は、前記第1の誘電体基板と前記第2の誘電体基板の間で非気密に収容されたことを特徴とする請求項1に記載の高周波回路パッケージ。
- 前記第1の誘電体基板は、裏面表層に
前記高周波回路に接続され、高周波回路を駆動するためのDCバイアス、制御信号を伝送する第1の配線パターンと、
前記配線パターンに接続される第1の信号用ランドと、
を備え、
前記第2の誘電体基板は、
前記高周波回路を駆動するためのDC電源および制御回路を搭載し、
前記第1の誘電体基板搭載面に、
前記DC電源および制御回路からの信号を伝送する第2の配線パターンと、
前記第2の配線パターンに接続され、前記第1の信号用ランドに対向する位置に配置された複数の第2の信号用ランドと、
を備え、
対向する前記第1および第2の信号用ランドを半田ボールによって、相互に接続することにより、前記第2の誘電体基板上のDC電源および制御回路によって、前記第1の誘電体基板上の高周波回路を駆動することを特徴とする請求項1または2に記載の高周波回路パッケージ。 - 前記高周波回路は複数であり、
前記複数の第1及び第2の導体ランドおよび複数の半田ボールは、複数の高周波回路をそれぞれ別個に囲むように配設され、
複数の高周波回路を各々、別個に区画された擬似遮蔽キャビティに収納したことを特徴とする請求項1〜3のいずれか一つに記載の高周波回路パッケージ。 - 請求項1〜4の何れか一つに記載の高周波回路パッケージと、前記第2の誘電体基板の前記第1の誘電体基板の搭載面と反対側に配置され、前記第2の誘電体基板に形成された導波管に接続されたアンテナを備えたことを特徴とするセンサモジュール。
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WO2010026990A1 (ja) * | 2008-09-05 | 2010-03-11 | 三菱電機株式会社 | 高周波回路パッケージおよびセンサモジュール |
JP2011151367A (ja) * | 2009-12-25 | 2011-08-04 | Sony Corp | 回路基板積層モジュール及び電子機器 |
WO2012140934A1 (ja) | 2011-04-14 | 2012-10-18 | 三菱電機株式会社 | 高周波パッケージ |
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JPH08330696A (ja) * | 1995-05-26 | 1996-12-13 | Japan Radio Co Ltd | 高放熱効果のコプレーナ型mmic回路 |
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EP3598484A1 (en) | 2020-01-22 |
JP2015167422A (ja) | 2015-09-24 |
JP2013165273A (ja) | 2013-08-22 |
JP5517982B2 (ja) | 2014-06-11 |
JP2016197882A (ja) | 2016-11-24 |
EP2333828A1 (en) | 2011-06-15 |
JP6180592B2 (ja) | 2017-08-16 |
EP3598484B1 (en) | 2021-05-05 |
US20150257254A1 (en) | 2015-09-10 |
EP2333828A4 (en) | 2012-07-18 |
JP2011155287A (ja) | 2011-08-11 |
US9648725B2 (en) | 2017-05-09 |
JP5960886B2 (ja) | 2016-08-02 |
CN102144289A (zh) | 2011-08-03 |
US20110175793A1 (en) | 2011-07-21 |
JP2014187369A (ja) | 2014-10-02 |
US9433080B2 (en) | 2016-08-30 |
CN102144289B (zh) | 2015-08-05 |
US20110163919A1 (en) | 2011-07-07 |
JPWO2010026990A1 (ja) | 2012-02-02 |
EP2333828B1 (en) | 2019-11-20 |
US9070961B2 (en) | 2015-06-30 |
JP5519815B2 (ja) | 2014-06-11 |
WO2010026990A1 (ja) | 2010-03-11 |
JP5775194B2 (ja) | 2015-09-09 |
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