JP2015507374A - オプトエレクトロニクス半導体チップの製造方法、およびオプトエレクトロニクス半導体チップ - Google Patents
オプトエレクトロニクス半導体チップの製造方法、およびオプトエレクトロニクス半導体チップ Download PDFInfo
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Abstract
Description
発光半導体積層体のキャリア基板に対向する第1の主領域に反射層、特にミラー層が設けられ、または形成され、この層が、半導体積層体で発生した電磁放射の少なくとも一部を反射して積層体に戻すこと、
半導体積層体が20μm以下、特に4μm〜10μmの範囲の厚さを有すること、および
半導体積層体が、理想的には当該半導体積層体における光の略エルゴード的な分布すなわち可能な限りエルゴード的に確率論的な散乱挙動を与える混合構造を有する少なくとも1つの領域を有する少なくとも1つの半導体層を含むこと
によって区別することができる。
成長基板上にオプトエレクトロニクス半導体積層体を成長させる工程と、
エアロゾル・デポジション法により電気的絶縁材料の粒子を堆積することによって、成長基板の反対を向くオプトエレクトロニクス半導体積層体の面上に電気的絶縁層を形成する工程と、
電気的絶縁層の形成後に成長基板の少なくとも一部を除去する工程と、
を含む。
− コーティング・チャンバの圧力:0.05kPa〜2kPa
− エアロゾル・チャンバの圧力:10kPa〜80kPa
− ノズル開口部のサイズ:5×0.3mm2、10×0.4mm2
− 加速ガス:He、N2、空気
− 加速ガスの消費量:1L/min〜10L/min
− 堆積中のコーティング対象基板の温度:300K
− コーティング可能面積:40×40mm2〜400×400mm2
− コーティング対象基板の上方でのノズルの移動速度:0.125mm/s〜10mm/s
− ノズルとコーティング対象基板間の距離:1mm〜40mm
ここに特定するエアロゾル・デポジション法により、少なくとも局所的には、1分当たり数マイクロメートルの堆積速度が可能であり、最大0.1mmの層厚を効果的に実現可能である。
本特許出願は、ドイツ特許出願第10212101889.8号の優先権を主張するものであり、その開示内容を本明細書に援用する。
Claims (15)
- 成長基板(1)上にオプトエレクトロニクス半導体積層体(2)を成長させる工程と、
エアロゾル・デポジション法により電気的絶縁材料の粒子を堆積することによって、前記成長基板(1)の反対を向く前記オプトエレクトロニクス半導体積層体(2)の面上に電気的絶縁層(4)を形成する工程と、
前記電気的絶縁層(4)の形成後に前記成長基板(1)の少なくとも一部を除去する工程と、
を含む、オプトエレクトロニクス半導体チップの製造方法。 - 前記電気的絶縁材料が、特にAlN、BN、Al2O3、BeO、SiC、Si3N4、またはダイヤモンド粉末から選択されるセラミック材料を含む、請求項1に記載の方法。
- 前記電気的絶縁材料が、熱膨張係数の異なる粒子を含む、請求項1または2に記載の方法。
- 前記エアロゾル・デポジション法を室温で実行する、請求項1〜3のいずれか一項に記載の方法。
- 前記電気的絶縁層(4)を設けた後に前記半導体積層体(2)を個々の半導体チップ(101、102、103、104)に個片化する、請求項1〜4のいずれか一項に記載の方法。
- 前記電気的絶縁層(4)を形成するプロセスにおいて前記電気的絶縁材料が存在しない個片化線(10)に沿って前記個片化を実行する、請求項5に記載の方法。
- 個片化前に中間キャリア材料(11)を成形法で前記電気的絶縁層(4)に成形し、個片化後に前記中間キャリア材料(11)の少なくとも一部を除去することによって前記電気的絶縁層(4、41)の少なくとも一部を露出させる、請求項5または6に記載の方法。
- 前記電気的絶縁層(4)を形成するプロセスの前に、ミラー層(3)を前記オプトエレクトロニクス半導体積層体(2)に設け、前記半導体積層体(2)の反対を向く前記ミラー層(3)の面上に前記電気的絶縁層(4)を設ける、請求項1〜7のいずれか一項に記載の方法。
- 金属層(9、91)を前記ミラー層(3)に設けて、前記電気的絶縁層(4)を前記金属層(9、91)上に形成し、前記金属層(9、91)が好ましくは、前記電気的絶縁層(4)を設けた後に実行する前記半導体積層体(2)の個片化後に前記オプトエレクトロニクス半導体チップ(101、102、103、104)を構成する領域において構造化により形成可能である、請求項8に記載の方法。
- 前記金属層(9、91)が前記電気的絶縁層(4)によって囲まれた、請求項9に記載の方法。
- 前記電気的絶縁層(4)が、前記半導体チップ(101、102、103、104)のキャリア要素(5)として具現化された、請求項1〜10のいずれか一項に記載の方法。
- 前記半導体積層体(2)の反対を向く前記電気的絶縁層(4)の面上に、1つまたは複数の金属層もしくは接着層で構成された接続層(7、8)を設ける、請求項1〜11のいずれか一項に記載の方法。
- キャリア要素(5)、特にシリコンで構成されたキャリア要素を前記接続層(8)上に貼り付ける、請求項12に記載の方法。
- 前記接続層(8)が、電気メッキ法または溶射法、特にコールド・プラズマ・コーティングによって金属補強層をキャリア要素(5)として設ける1つまたは複数の金属層で構成された、請求項12に記載の方法。
- ミラー層(3)上に半導体積層体(2)を備え、前記半導体積層体(2)の反対を向く前記ミラー層(3)の面上に金属層(9)が配置されており、前記ミラー層(3)および前記金属層(9)が、エアロゾル・デポジション法により設けられた電気的絶縁層(4)によって囲まれた、オプトエレクトロニクス半導体チップ。
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DE102012101889.8 | 2012-03-06 | ||
DE102012101889A DE102012101889A1 (de) | 2012-03-06 | 2012-03-06 | Verfahren zur Herstellung eines optoelektronischen Halbleiterchips und optoelektronischer Halbleiterchip |
PCT/EP2013/052995 WO2013131729A1 (de) | 2012-03-06 | 2013-02-14 | Verfahren zur herstellung eines optoelektronischen halbleiterchips |
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US (1) | US9397280B2 (ja) |
JP (1) | JP2015507374A (ja) |
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WO (1) | WO2013131729A1 (ja) |
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DE102013103760A1 (de) | 2013-04-15 | 2014-10-16 | Osram Opto Semiconductors Gmbh | Optoelektronisches Bauelement |
KR102227981B1 (ko) * | 2013-06-20 | 2021-03-16 | 삼성전자주식회사 | 단일 광자 소자, 단일 광자 방출 전달 장치, 단일 광자 소자의 제조 및 동작 방법 |
KR101568580B1 (ko) * | 2014-04-21 | 2015-11-11 | 고려대학교 산학협력단 | 수직형 발광 소자의 제조 방법 |
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Also Published As
Publication number | Publication date |
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US20150048400A1 (en) | 2015-02-19 |
US9397280B2 (en) | 2016-07-19 |
WO2013131729A1 (de) | 2013-09-12 |
DE102012101889A1 (de) | 2013-09-12 |
CN104145044A (zh) | 2014-11-12 |
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