JP2021092762A - ダイの受取基板への移転を用いたフォトニックチップの製造方法 - Google Patents
ダイの受取基板への移転を用いたフォトニックチップの製造方法 Download PDFInfo
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- 239000000758 substrate Substances 0.000 title claims abstract description 108
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 69
- 230000005693 optoelectronics Effects 0.000 claims abstract description 36
- 230000002093 peripheral effect Effects 0.000 claims abstract description 30
- 239000004065 semiconductor Substances 0.000 claims description 27
- 238000001039 wet etching Methods 0.000 claims description 20
- 238000005530 etching Methods 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 5
- 101150027985 NAA35 gene Proteins 0.000 claims description 4
- 238000001312 dry etching Methods 0.000 abstract description 25
- 238000000034 method Methods 0.000 abstract description 11
- 238000000151 deposition Methods 0.000 abstract description 3
- 230000015556 catabolic process Effects 0.000 description 19
- 238000006731 degradation reaction Methods 0.000 description 19
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 238000001020 plasma etching Methods 0.000 description 9
- 229910052710 silicon Inorganic materials 0.000 description 9
- 239000010703 silicon Substances 0.000 description 9
- 230000006866 deterioration Effects 0.000 description 6
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 1
- -1 InP Chemical class 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
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- 230000014509 gene expression Effects 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
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- 230000001681 protective effect Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
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- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
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- H01S5/00—Semiconductor lasers
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- H01S5/22—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure
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Abstract
Description
−受取基板の上面上に、受取基板の平面内で所定の寸法Lc、lcを有する中央領域Zcを画定し、該領域は、中央領域Zcに関するダイの位置決めにおける所定の不確実性dipを許容した後に、受取基板にダイを移転する工程に続いて、前記ダイによって全体が覆われることが意図され、
−初期寸法Lv(i)、lv(i)を有し、寸法Lc、lc及び位置決めの不確実性性dipに基づいて予め設定された前記ダイを製造し、
−受取基板と、中央領域Zcを含む上面と、中央領域Zcを囲み、移転工程後に前記ダイによって部分的に覆われることが意図される周辺領域Zpとを形成し、これらが一体となって、前記ダイが全体的に配置されることが意図される実際の移転領域Zreを形成し、受取基板は、
・中心領域Zcのみに存在する第1集積導波路と、
・第1集積導波路に重ね合わされ、光学的に結合された、少なくとも周辺領域Zp内に位置し、上面に対して予め設定された閾値Pthよりも大きい間隔egap (2)を有する第2集積導波路とを含み、
−前記ダイを受取基板の実際の移転領域Zreに移転して、中央領域Zcは前記ダイによって完全に覆われ、周辺領域Zpは前記ダイによって覆われない自由表面を有し、
−エッチングマスクを一方で前記ダイのセグメント上に堆積させ、他方で実際の移転領域Zreの周囲に堆積させ、
−エッチングマスクで被覆されていない前記ダイの自由部分をドライエッチングして、周辺領域Zpの自由表面を閾値Pth以下の深さPsgv (a)までエッチングすることにより、前記ダイから光電子部品を製造する。
−XZ平面内の中央領域Zcのみに位置し、受取基板20の上面20aに対してY軸に沿った間隔egap (1)が閾値Pth以下である、光電子部品に光学的に結合されることが意図された第1導波路23と、
−XZ平面内の少なくとも周辺領域Zpに位置し、受取基板20の上面20aに対するY軸に沿った間隔egap (2)が閾値Pthより大きい、Y軸に沿って重ね合わされ、第1導波路23に光学的に結合された少なくとも1つの第2導波路24と、
を含む。
Claims (12)
- 受取基板(20)上に配置され、第1集積導波路(23)に光学的に結合された少なくとも1つの光電子部品を含む、フォトニックチップ(1)の製造方法であって、
−受取基板(20)の上面(20a)上に、受取基板の平面内で所定の寸法Lc、lcを有する中央領域Zcを画定し、該領域は、中央領域Zcに関するダイ(10)の位置決めにおける所定の不確実性dipを許容した後に、受取基板(20)に前記ダイを移転する工程に続いて、前記ダイ(10)によって全体が覆われることが意図され、
−初期寸法Lv(i)、lv(i)を有し、寸法Lc、lc及び位置決めの不確実性性dipに基づいて予め設定された前記ダイ(10)を製造し、
−受取基板(20)と、中央領域Zcを含む上面(20a)と、中央領域Zcを囲み、移転工程後に前記ダイ(10)によって部分的に覆われることが意図される周辺領域Zpとを形成し、これらが一体となって、前記ダイが全体的に配置されることが意図される実際の移転領域Zreを形成し、受取基板(20)は、
・中心領域Zcのみに存在する第1集積導波路(23)と、
・第1集積導波路(23)に重ね合わされ、光学的に結合された、少なくとも周辺領域Zp内に位置し、上面(20a)に対して予め設定された閾値Pthよりも大きい間隔egap (2)を有する第2集積導波路(24)とを含み、
−前記ダイ(10)を受取基板(20)の実際の移転領域Zreに移転して、中央領域Zcは前記ダイ(10)によって完全に覆われ、周辺領域Zpは前記ダイ(10)によって覆われない自由表面(25)を有し、
−エッチングマスク(31)を一方で前記ダイ(10)のセグメント上に堆積させ、他方で実際の移転領域Zreの周囲に堆積させ、
−エッチングマスク(31)で被覆されていない前記ダイ(10)の自由部分をドライエッチングして、周辺領域Zpの自由表面(25)を閾値Pth以下の深さPsgv (a)までエッチングすることにより、前記ダイ(10)から光電子部品を製造する、
工程を含む、製造方法。 - 前記第1集積導波路(23)は、前記上面(20a)に対して、予め設定された閾値Pthよりも小さい間隔egap (1)を有する、
請求項1に記載の製造方法。 - 前記受取基板(20)は、前記第2集積導波路(24)に重ね合わされ、光学的に結合された第3集積導波路を含み、前記第3集積導波路は、少なくとも前記実際の移転領域Zreに位置し、前記上面(20a)に対して予め設定された閾値Pthよりも小さい間隔egap (3)を有する、
請求項1又は2に記載の製造方法。 - 前記ダイ(10)を製造する工程の後、前記ダイは、それぞれ少なくともLc+2dip、lc+2dipに等しい初期寸法Lv(i)、lv(i)を有する、
請求項1〜3のいずれか1項に記載の製造方法。 - 前記実際の移転領域Zreが、少なくともLc+4dip、lc+4dipに等しい寸法Lre、lreを有する、
請求項1〜4のいずれか1項に記載の製造方法。 - 前記光電子部品を製造する工程の前に、ウェットエッチングによって前記ダイ(10)の成長基板(11)を除去する工程を含み、前記ウェットエッチングによって、ゼロでない距離dsglにわたって、前記受取基板(20)に平行な平面内で前記ダイ(10)の横方向のオーバーエッチングを生じ、前記ダイ(10)が前記距離dsglに基づいてさらに予め設定された初期寸法Lv(i)、lv(i)を有する、
請求項1〜5のいずれか1項に記載の製造方法。 - 同一の前記ダイ(10)から複数の光電子部品を製造する工程を含み、各光電子部品が対応する前記第1集積導波路(23)に結合される、
請求項1〜6のいずれか1項に記載の製造方法。 - 前記光電子部品が、レーザダイオード、フォトダイオード又は電気光学変調器である、
請求項1〜7のいずれか1項に記載の製造方法。 - 前記ダイ(10)がIII−V族半導体化合物に基づいて作製される、
請求項1〜8のいずれか1項に記載の製造方法。 - 前記光電子部品がDFBレーザダイオードであり、ブラッグミラーが前記第1集積導波路(23)内に配置されている、
請求項1〜9のいずれか1項に記載の製造方法。 - 前記光電子部品がDBRレーザダイオードであり、2つのブラッグミラーが前記レーザダイオードの光キャビティを囲み、それぞれ重ね合わされた、対応する前記第1集積導波路(23)の一端に光学的に結合された前記第2集積導波路(24)内に配置されている、
請求項1〜9のいずれか1項に記載の製造方法。 - 複数のフォトニックチップ(1)を同一の前記受取基板(20)から同時に製造することを保証する、
請求項1〜8のいずれか1項に記載の製造方法。
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FR1911989A FR3102575B1 (fr) | 2019-10-25 | 2019-10-25 | Procédé de fabrication d’une puce photonique par report d’une vignette sur un substrat de réception |
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US8684612B2 (en) * | 2011-07-01 | 2014-04-01 | Intel Corporation | Optical frame attached with alignment features microfabricated in die |
FR3027250B1 (fr) * | 2014-10-17 | 2019-05-03 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Procede de collage direct via des couches metalliques peu rugueuses |
US20160291269A1 (en) | 2015-04-01 | 2016-10-06 | Coriant Advanced Technology, LLC | Photonic integrated circuit chip packaging |
FR3050870B1 (fr) * | 2016-04-28 | 2018-05-25 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Procede de realisation d’un dispositif de detection de rayonnement electromagnetique comportant une couche en un materiau getter |
WO2017197132A1 (en) * | 2016-05-11 | 2017-11-16 | Skorpios Technologies, Inc. | Iii-v chip preparation and integration in silicon photonics |
FR3058830B1 (fr) * | 2016-11-14 | 2018-11-30 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Procede de realisation collective d’une pluralite de puces optoelectroniques |
FR3066044B1 (fr) * | 2017-05-02 | 2020-02-21 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Detecteur de rayonnement electromagnetique, encapsule par report de couche mince. |
GB2572641B (en) * | 2018-04-06 | 2021-06-02 | Rockley Photonics Ltd | Optoelectronic device and array thereof |
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2019
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- 2020-10-21 CN CN202011131000.7A patent/CN112713214B/zh active Active
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EP3812811B1 (fr) | 2023-07-12 |
US11320592B2 (en) | 2022-05-03 |
EP3812811A1 (fr) | 2021-04-28 |
US20210124119A1 (en) | 2021-04-29 |
FR3102575A1 (fr) | 2021-04-30 |
CN112713214B (zh) | 2023-09-15 |
CA3096454A1 (fr) | 2021-04-25 |
CN112713214A (zh) | 2021-04-27 |
JP7516208B2 (ja) | 2024-07-16 |
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