JP7155455B2 - Vcselモジュール - Google Patents
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- JP7155455B2 JP7155455B2 JP2022516276A JP2022516276A JP7155455B2 JP 7155455 B2 JP7155455 B2 JP 7155455B2 JP 2022516276 A JP2022516276 A JP 2022516276A JP 2022516276 A JP2022516276 A JP 2022516276A JP 7155455 B2 JP7155455 B2 JP 7155455B2
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Description
電流制御素子は、VCSEL及びスイッチング素子と直列に電気的に接続される、ことが好ましい。
スイッチング素子又は電流制御素子は、配線電極と、半田ボール、スタッドバンプ、又は、金属片を介して電気的に接続されている、ことが好ましい。
基板は金属製の第2電極として機能し、
VCSELは、表面に配置されるVCSEL第1端子、及び、裏面に配置されるVCSEL第2端子を有し、スイッチング素子は半導体装置内に形成され、
半導体装置は、第1電極及びカソードと接続される第1端子、カソードと接続される第2端子、及び、前記第2電極と接続される第3端子、を有することが好ましい。
第1端子は、第1電極に近接する第1側面に沿った上面の端部に配置され、
第2端子は、上面の中央部に配置され、
第3端子は、第2側面又は第3側面に沿った上面の端部に配置される、ことが好ましい。
監視回路と接続される監視回路用端子は、半導体装置の表面の第4面に沿った端部に配置される、ことが好ましい。
第4端子は、第3端子が配置された第2側面又は第3側面の他方に沿った上面の端部に配置され、
VCSELのカソードから半導体装置内に流入した電流は、第3端子及び第4端子により、半導体装置の左右に分かれて第2電極へ流れる、ことが好ましい。
Claims (13)
- 表面に配置されるVCSEL第1端子、及び、裏面に配置されるVCSEL第2端子を有するVCSELと、
第1側面、前記第1側面に直交する第2側面及び第3側面、前記第1側面と対向する第4側面、上面、及び下面を備える矩形の平板形状を有し且つ前記VCSELの下に配置され、前記VCSEL第2端子と電気的に接続されたVCSEL用のスイッチング素子が内部に形成される半導体装置と、
前記第1側面に沿って配置される金属製の第1電極と、
前記半導体装置の下に配置される金属製の第2電極と、を有し、
前記半導体装置は、
前記第1側面に沿う辺、前記第1側面に直交し且つ前記第1側面に沿う辺よりも短い一対の辺、及び前記第1側面に沿う辺に対向する辺により形成される矩形の平面形状を有し、前記上面の端部に配置され、且つ、第1電極及び前記VCSEL第1端子と接続される第1端子と、
前記上面の中央部に配置され、前記VCSEL第2端子と接続される第2端子と、
前記第2電極と接続される第3端子と、
を更に有する、ことを特徴とするVCSELモジュール。 - 前記半導体装置は、前記VCSELを流れる電流を制御する電流制御素子を有し、前記電流制御素子は、前記第2端子と前記スイッチング素子との間、又は、前記スイッチング素子と前記第3端子との間に接続される、請求項1に記載のVCSELモジュール。
- 前記第3端子は、前記第2側面又は前記第3側面に沿った前記上面の端部に配置される、請求項2に記載のVCSELモジュール。
- 前記第1電極と前記第1端子とは、複数のボンディングワイヤで接続されている、請求項3に記載のVCSELモジュール。
- 前記第2電極と前記第3端子とは、複数のボンディングワイヤで接続されている、請求項3又は4に記載のVCSELモジュール。
- 前記半導体装置は、前記VCSELの温度、前記VCSELを流れる電流、又は、前記VCSELから出射される光の光量を関する監視回路を有し、
前記監視回路と接続される監視回路用端子は、前記半導体装置の表面の前記第4側面に沿った端部に配置される、請求項3~5の何れか一項に記載のVCSELモジュール。 - 前記監視回路用端子と接続される第3電極を更に有する、請求項6に記載のVCSELモジュール。
- 前記第1電極及び前記第2電極の表面の一部、及び、前記第1端子及び第3端子の表面の一部を覆うように形成される樹脂製のフレームを更に有する、請求項2~7の何れか一項に記載のVCSELモジュール。
- 前記フレームは、前記VCSELが視認可能な開口部が形成される支持面を有する、請求項8に記載のVCSELモジュール。
- 前記支持面に支持され、前記VCSELから出射された光を透過する光学素子を更に有する、請求項9記載のVCSELモジュール。
- 前記フレームは、前記光学素子の位置決めをするために、前記支持面の上方で、且つ、当該フレームの外壁から内側に迫り出した凸部を有する、請求項10に記載のVCSELモジュール。
- 前記VCSELからの放熱を前記第2電極へ向けて伝達するための放熱経路が、前記半導体装置において、前記第2端子と前記半導体装置の前記下面との間に形成される、請求項3~11の何れか一項に記載のVCSELモジュール。
- 前記半導体装置は、前記第2電極と接続される第4端子、を有し、
前記第4端子は、前記第3端子が配置された前記第2側面又は前記第3側面の他方に沿った前記上面の端部に配置され、
前記VCSEL第2端子から前記半導体装置内に流入した電流は、前記第3端子及び前記第4端子により、前記半導体装置の左右に分かれて前記第2電極へ流れる、請求項3~12の何れか一項に記載のVCSELモジュール。
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Citations (10)
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JP2010531546A (ja) | 2007-06-27 | 2010-09-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 光センサ・モジュール及びその製造方法 |
JP2012037276A (ja) | 2010-08-04 | 2012-02-23 | Sharp Corp | 光学式測距装置 |
WO2014017256A1 (ja) | 2012-07-24 | 2014-01-30 | シャープ株式会社 | 光学式測距装置および電子機器 |
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JP2012037276A (ja) | 2010-08-04 | 2012-02-23 | Sharp Corp | 光学式測距装置 |
WO2014017256A1 (ja) | 2012-07-24 | 2014-01-30 | シャープ株式会社 | 光学式測距装置および電子機器 |
WO2018100082A1 (en) | 2016-11-30 | 2018-06-07 | Sony Semiconductor Solutions Corporation | Apparatus and method |
US20180278011A1 (en) | 2017-03-23 | 2018-09-27 | Infineon Technologies Ag | Laser diode module |
JP2019158693A (ja) | 2018-03-15 | 2019-09-19 | 株式会社リコー | 受光装置、物体検出装置、距離測定装置、移動体装置、ノイズ計測方法、物体検出方法及び距離測定方法 |
US20200006271A1 (en) | 2018-07-02 | 2020-01-02 | Taiwan Semiconductor Manufacturing Co., Ltd. | Structures for bonding a group iii-v device to a substrate |
WO2020044817A1 (ja) | 2018-08-31 | 2020-03-05 | ソニーセミコンダクタソリューションズ株式会社 | 光源装置、検出方法、センシングモジュール |
WO2020054257A1 (ja) | 2018-09-11 | 2020-03-19 | ソニーセミコンダクタソリューションズ株式会社 | 光源装置、センシングモジュール |
US20200185875A1 (en) | 2018-12-06 | 2020-06-11 | Finisar Corporation | Optoelectronic assembly |
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