JP2005094016A - 密封されたキャビティと組み込まれた光学素子とを有するオプトエレクトロニクスデバイスのパッケージング - Google Patents
密封されたキャビティと組み込まれた光学素子とを有するオプトエレクトロニクスデバイスのパッケージング Download PDFInfo
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- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
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- H01S5/00—Semiconductor lasers
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- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
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- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
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- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
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Abstract
【解決手段】ミラー(550)その他の光学素子が組み込まれる密閉されたキャビティ(540)を含むオプトエレクトロニクスデバイス(510)のためのパッケージ(500)。このパッケージングは個々のレーザ毎に又はウェハレベルで実施することができる。ウェハレベルでのプロセスは、第1のウェハ(120)内にサブマウントを作製し、第2のウェハ(130)内に反射領域(150)を有するくぼみを作製し、オプトエレクトロニクスデバイス(110)を第1のウェハ(120)上の個々のサブマウントに電気的に接続し、及び第2のウェハ(130)を第1のウェハ(120)に接合して、オプトエレクトロニクスデバイス(110)が第2のウェハ(130)内のくぼみに対応するキャビティ(140)内に密閉される。
【選択図】図1
Description
110 端面発光型レーザ
115 ボンディングパッド
120 サブマウントウェハ
122 ボンディングパッド
124 外部端子
130 キャップウェハ
140 キャビティ
150 リフレクタ
160 光学素子
200 構造
210 レーザ
212 結合パッド
220 サブマウントウェハ
222 バンプ
300 サブマウント
310 シリコン基板
320 レンズ
330 絶縁層
332 絶縁層
334 パッシベーション層
338 開口部
340 導電トレース
344 外部結合パッド
350 サブマウント
360 金属層
370 能動回路
Claims (10)
- 端面発光型レーザを含むオプトエレクトロニクスデバイス(510)と、
該オプトエレクトロニクスデバイス(510)に電気的に接続される電気トレースを含むサブマウント(520)と、
該サブマウント(520)に取り付けられて、前記オプトエレクトロニクスデバイス(510)を封入するキャビティ(540)を形成し、及び前記光信号のリフレクタとして機能する前記キャビティ(540)の壁の一部を形成する、キャップ(530)と
を備えている構造体。 - 前記キャップ(530)が、前記キャビティ(540)の壁を形成するくぼみを有するシリコン基板を含み、前記リフレクタとして機能する壁の一部が、前記シリコン基板の結晶構造の<111>面を含む、請求項1に記載の構造体。
- 前記光信号の経路が前記サブマウント(520)を通過する、請求項1又は請求項2に記載の構造体。
- 前記サブマウント(350)が、前記オプトエレクトロニクスデバイス(510)の動作に有用な能動回路(370)を更に含む、請求項1ないし請求項3の何れか一項に記載の構造体。
- 前記サブマウント(520)に対する前記キャップ(530)の接合が前記キャビティ(540)を密封する、請求項1ないし請求項4の何れか一項に記載の構造体。
- オプトエレクトロニクスデバイス(510)をサブマウントウェハ(520)に電気的に接続し、
光学素子(550)を含むキャップ(530)を作製し、
該キャップ(530)を前記サブマウント(520)に接合し、前記オプトエレクトロニクスデバイス(510)が前記サブマウントウェハ(520)と前記キャップ(530)との間のキャビティ(540)内に封入され、該オプトエレクトロニクスデバイス(510)の光信号が前記光学素子(550)上に入射する、
という各ステップを含むプロセス。 - 前記キャップを作製する前記ステップが、
キャップウェハ内にくぼみを作成し、該くぼみが前記キャビティ(540)の壁に対応する壁を有しており、
前記くぼみの壁上の反射領域に対応するリフレクタとして前記光学素子(550)を形成する、
という各ステップを含む、請求項6に記載のプロセス。 - 前記キャップウェハがシリコンを含み、前記反射領域が該シリコンの結晶構造の<111>面と一致する、請求項7に記載のプロセス。
- 複数のオプトエレクトロニクスデバイス(110)を前記サブマウントウェハ(120)の複数のサブマウント領域にそれぞれ電気的に接続し、各オプトエレクトロニクスデバイス(110)が対応する光信号を有しており、
複数のキャップを作製し、各キャップが光学素子(150)を1つずつ含み、
該キャップを前記サブマウントウェハ(120)に接合し、前記オプトエレクトロニクスデバイス(110)が前記サブマウントウェハ(120)と前記各キャップとの間の個々のキャビティ(140)内に封入され、該オプトエレクトロニクスデバイスの各々毎に、前記対応するキャップ内の光学素子(150)が該オプトエレクトロニクスデバイス(110)に対応する光信号を受信するよう配置され、
結果的に得られる構造体を、前記オプトエレクトロニクスデバイスを含む複数の別々のパッケージへと分割する、
という各ステップを更に含む、請求項7ないし請求項9の何れか一項に記載のプロセス。 - 前記キャップが前記キャップウェハ(130)のそれぞれの領域を含み、前記キャップを前記サブマウントウェハ(120)に接合する前記ステップが、前記キャップウェハ(130)を前記サブマウントウェハ(120)に接合するステップを含む、請求項9に記載のプロセス。
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US10/666,091 US6998691B2 (en) | 2003-09-19 | 2003-09-19 | Optoelectronic device packaging with hermetically sealed cavity and integrated optical element |
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JP2005094016A true JP2005094016A (ja) | 2005-04-07 |
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US (1) | US6998691B2 (ja) |
JP (1) | JP2005094016A (ja) |
CN (1) | CN100593271C (ja) |
DE (1) | DE102004025428A1 (ja) |
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Also Published As
Publication number | Publication date |
---|---|
CN100593271C (zh) | 2010-03-03 |
US6998691B2 (en) | 2006-02-14 |
US20050062056A1 (en) | 2005-03-24 |
CN1599158A (zh) | 2005-03-23 |
DE102004025428A1 (de) | 2005-05-04 |
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