JP6843745B2 - 光学要素スタックアセンブリ - Google Patents
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Description
本出願は2014年10月14日に提出されたUS仮特許出願番号62/063,532の優先権の利益を主張する。先願の開示はその全体が引用により本明細書に組み込まれる。
本開示は光学要素スタックアセンブリに関する。
たとえば、映像アプリケーションのために、三次元(3D)映像など、距離測定アプリケーションのために、近接感知などの様々な光電子モジュールが使用される。いくつかのアプリケーションにおいて、光学エミッタアセンブリは投影光学パターンを発するために操作可能であり、映像にも距離測定にも有用である。投影光は物体上に投影される個別の特徴のパターン(すなわちテクスチャ)に帰着する。物体によって反射された光は、感知される場所であるイメージセンサに向かって戻る。感知されたシグナルは距離計算のために使用される。いくつかのケースにおいて、投影光はステレオ映像アプリケーションにおいてピクセルを合わせるために追加のテクスチャを提供する。
本開示はたとえばウェハレベルの方法により組み立て可能な光学要素スタックアセンブリを説明する。
本開示は互いに積み重ねられた複数の基板を含む光学要素スタックアセンブリを説明する。基板の少なくとも1つはその表面上に、DOEなどの光学要素を含む。いくつかのケースにおいて、双方の基板はそれぞれの表面上に光学要素を有する。基板と、光学要素は、スタックを通過する光学シグナルが基板および光学要素を通過するように並べられる。
Claims (13)
- 複数のスタックアセンブリを組み立てるウェハレベルの方法であって、方法は、
第1および第2のウェハを提供するステップを備え、前記第1のウェハまたは前記第2のウェハの少なくとも1つはその面上に複数の光学要素を有し、前記第2のウェハは、前記第1のウェハに向かい合う第1の表面と前記第1の表面に対向する第2の表面とを有する対向面を備え、方法はさらに、
前記第2のウェハの前記対向面上に上側および下側スペーサであって前記上側および前記下側スペーサは同一の真空射出成形ピースの一部であるものを形成するために単一の真空射出技術を使用するステップと、
ウェハスタックを形成するために前記第1のウェハを前記第2のウェハの取り付けるステップとを備え、それぞれの光学要素が前記第1および前記第2のウェハの間に配置されるよう前記第1および前記第2のウェハは取り付けられ、方法はさらに、
前記ウェハスタックを複数のスタックアセンブリに分離するステップを備え、そのそれぞれは前記光学要素の少なくとも1つを含む、方法。 - 前記第2のウェハに貫通孔を形成するステップをさらに含み、前記真空射出技術は前記貫通孔を前記上側および前記下側スペーサを形成するものと同じ素材で充填する、請求項1に記載の方法。
- 前記第1および前記第2のウェハはそれぞれ複数の光学要素をそれぞれの面上に有し、それぞれのスタックアセンブリは前記光学要素の少なくとも2つを含む、請求項1または2に記載の方法。
- 前記第1および前記第2のウェハを取り付けるステップは前記第1および前記第2のウェハを前記光学要素の横方向側部と前記第2のスペーサ上の前記上側スペーサとの間に配置された接着剤を通じて互いに取り付けることを含む、請求項1から3のいずれか1項に記載の方法。
- 前記光学要素は回折光学要素である、請求項1から4のいずれか1項に記載の方法。
- 前記光学要素は複製された光学要素である請求項1から5のいずれか1項に記載の方法。
- スタックアセンブリであって、
第1の基板と、
前記第1の基板に取り付けられた第2の基板と、
前記第1の基板または前記第2の基板上の光学要素とを備え、前記光学要素の少なくとも1つは、前記第1および前記第2の基板の間に配置され、スタックアセンブリはさらに、
前記第1または前記第2の基板の外側に取り付けられた第1のスペーサと、
前記第1および前記第2の基板の間の第2のスペーサをさらに備え、前記第1および前記第2のスペーサは同一の真空射出成形ピースの一部である、スタックアセンブリ。 - 前記真空射出成形ピースは前記第2の基板の側縁部を横方向に取り囲む、請求項7に記載のスタックアセンブリ。
- 前記第1および第2のウェハはそれぞれその表面上に光学要素を有し、前記光学要素は互いに面する、請求項7または8に記載のスタックアセンブリ。
- それぞれの光学要素は回折光学要素である、請求項7から9のいずれか1項に記載のスタックアセンブリ。
- それぞれの光学要素は複製された光学要素である、請求項7から10のいずれか1項に記載のスタックアセンブリ。
- 前記第1および前記第2の基板は前記光学要素の横方向側部上の接着剤によって互いに取り付けられる、請求項7に記載のスタックアセンブリ。
- 複数のスタックアセンブリを組み立てるウェハレベルの方法であって、方法は、
第1および第2のウェハを提供するステップを備え、前記第1のウェハまたは前記第2のウェハの少なくとも1つはその表面上に複数の光学要素を備え、前記第2のウェハは、前記第1のウェハに向かい合う第1の表面と前記第1の表面に対向する第2の表面とを有する対向面を備え、方法はさらに、
前記第2のウェハをテープに取り付けて前記第2のウェハを複数の単一化された基板に分離するステップと、
前記単一化された基板を真空射出ツール内に位置づけて前記単一化された基板の前記対向面上の上側および下側スペーサであって前記上側および前記下側スペーサは同一の真空射出成形ピースの一部であるものを形成するステップと、
前記第1のウェハを前記単一化された基板に取り付けてそれぞれの光学要素が前記第1のウェハと前記単一化された基板の1つとの間に配置されるようスタックを形成するステップと、
スタックを複数のスタックアセンブリに分離し、それぞれ前記光学要素の少なくとも1つを含むステップと、を備える方法。
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Application Number | Priority Date | Filing Date | Title |
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US201462063532P | 2014-10-14 | 2014-10-14 | |
US62/063,532 | 2014-10-14 | ||
PCT/SG2015/050387 WO2016060615A1 (en) | 2014-10-14 | 2015-10-14 | Optical element stack assemblies |
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JP2017531832A JP2017531832A (ja) | 2017-10-26 |
JP2017531832A5 JP2017531832A5 (ja) | 2018-11-22 |
JP6843745B2 true JP6843745B2 (ja) | 2021-03-17 |
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US (1) | US10741613B2 (ja) |
EP (1) | EP3207416B1 (ja) |
JP (1) | JP6843745B2 (ja) |
KR (1) | KR102433712B1 (ja) |
CN (1) | CN106817910B (ja) |
SG (1) | SG11201702556TA (ja) |
TW (1) | TWI684802B (ja) |
WO (1) | WO2016060615A1 (ja) |
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US10241244B2 (en) | 2016-07-29 | 2019-03-26 | Lumentum Operations Llc | Thin film total internal reflection diffraction grating for single polarization or dual polarization |
DE102017123798B4 (de) | 2017-10-12 | 2022-03-03 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Halbleiterlaser und Herstellungsverfahren für optoelektronische Halbleiterbauteile |
TWI645637B (zh) * | 2017-10-18 | 2018-12-21 | 華立捷科技股份有限公司 | 面射型雷射裝置及其製造方法 |
US12025826B2 (en) | 2018-09-17 | 2024-07-02 | Ams Sensors Singapore Pte. Ltd. | Optical light guides and methods of manufacturing the same |
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