JP7050012B2 - 半導体ウェハに取り付けられた貫通孔を有する無機ウェハ - Google Patents
半導体ウェハに取り付けられた貫通孔を有する無機ウェハ Download PDFInfo
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- JP7050012B2 JP7050012B2 JP2018567879A JP2018567879A JP7050012B2 JP 7050012 B2 JP7050012 B2 JP 7050012B2 JP 2018567879 A JP2018567879 A JP 2018567879A JP 2018567879 A JP2018567879 A JP 2018567879A JP 7050012 B2 JP7050012 B2 JP 7050012B2
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- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/68359—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support used as a support during manufacture of interconnect decals or build up layers
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Description
プロセスにおいて、
光の波長を放射するレーザを用いて半導体ウェハに接合された無機ウェハ内にダメージトラックを形成するステップであって、前記半導体ウェハが前記光の波長に対して不透明であり、前記無機ウェハが前記光の波長に対して透明であるステップ、および
エッチングによって前記無機ウェハを貫通する孔を形成するために前記無機ウェハ内の前記ダメージトラックを拡大するステップであって、前記孔が前記半導体ウェハと前記無機ウェハとの間の界面にて終端しているステップを含む、プロセス。
前記半導体ウェハがベア半導体ウェハである、実施形態1記載のプロセス。
前記半導体ウェハがシリコンウェハである、実施形態1または2記載のプロセス。
前記エッチングが、第1の速度で前記無機ウェハをエッチングし、第2の速度で前記半導体ウェハをエッチングするエッチャントで行われ、前記第1の速度が前記第2の速度の少なくとも10倍である、実施形態1から3のうちのいずれかに記載のプロセス。
前記無機ウェハが、室温で少なくとも105Ω・mの抵抗率、および室温で0.5mmの厚みに対して少なくとも1kVの高耐圧を有する、実施形態1から4のうちのいずれかに記載のプロセス。
前記無機ウェハが、アルミノホウケイ酸ガラス、石英ガラス、およびサファイアからなる群から選択された材料から作製されている、実施形態1から5のうちのいずれかに記載のプロセス。
前記無機ウェハの厚みが10μmから1mmまでである、実施形態1から6のうちのいずれかに記載のプロセス。
前記無機ウェハの厚みが50μmから250μmまでである、実施形態7記載のプロセス。
前記ダメージトラックが前記界面にて終端している、実施形態1から8のうちのいずれかに記載のプロセス。
前記ダメージトラックが、前記界面に到達する前に前記無機ウェハ内で終端している、実施形態1から9のうちのいずれかに記載のプロセス。
前記レーザが、延長焦点を作り出す複数の光学品を通して送られ、前記延長焦点が前記無機ウェハ内に前記ダメージトラックを形成している、実施形態1から10のうちのいずれかに記載のプロセス。
前記延長焦点が、
焦線、および
複数の焦点
を含む、実施形態11記載のプロセス。
前記半導体ウェハが、前記延長焦点を崩壊させるために前記レーザによって放射された前記光の波長に対して十分に不透明である、実施形態12記載のプロセス。
前記レーザが、短パルスレーザである、実施形態1から13のうちのいずれかに記載のプロセス。
前記レーザがバーストパルスレーザである、実施形態14記載のプロセス。
前記光の波長が、257nm、266nm、343nm、355nm、515nm、530nm、532nm、1030nm、および1064nmからなる群から選択されている、実施形態1から15のうちのいずれかに記載のプロセス。
陽極接合によって前記無機ウェハに前記半導体ウェハを接合するステップをさらに含む、実施形態1から16のうちのいずれかに記載のプロセス。
前記無機ウェハに前記半導体ウェハを接合するステップをさらに含み、接合するステップが、前記半導体ウェハおよび前記無機ウェハのうちの少なくとも一方に対して表面改質層を形成するステップを含む、実施形態1から17のうちのいずれかに記載のプロセス。
前記孔をメタライズするステップをさらに含む、実施形態1から18のうちのいずれかに記載のプロセス。
前記界面とは反対側の前記無機ウェハの表面での前記孔の直径が4μmから100μmまでである、実施形態1から19のうちのいずれかに記載のプロセス。
前記界面での前記無機ウェハの平均表面粗さ(Ra)が1nm未満である、実施形態1から20のうちのいずれかに記載のプロセス。
物品において、
無機ウェハに接合された半導体ウェハであって、前記半導体ウェハが、前記無機ウェハが透明である光の波長に対して不透明である、半導体ウェハ、
を備え、
前記無機ウェハが、貫通して形成された孔を有し、前記孔が、前記半導体ウェハと前記無機ウェハとの間の界面にて終端している、物品。
前記半導体ウェハがベア半導体ウェハである、実施形態22の物品。
前記半導体ウェハがシリコンウェハである、実施形態22または23記載の物品。
前記無機ウェハが、室温で少なくとも105Ω・mの抵抗率、および、室温で0.5mmの厚みに対して少なくとも1kVの高耐圧を有する、実施形態22から24のうちのいずれか1つに記載の物品。
前記無機ウェハが、アルミノホウケイ酸ガラス、石英ガラス、およびサファイアからなる群から選択された材料から作製されている、実施形態22から25のうちのいずれか1つに記載の物品。
前記無機ウェハの厚みが10μmから1mmまでである、実施形態22から26のうちのいずれか1つに記載の物品。
前記無機ウェハの厚みが50μmから250μmまでである、実施形態27記載の物品。
前記孔がメタライズされている、実施形態22から28のうちのいずれか1つに記載の物品。
前記界面とは反対側の前記無機ウェハの表面での前記孔の直径が4μmから100μmである、実施形態29記載の物品。
前記界面での前記無機ウェハの前記平均表面粗さ(Ra)が1nm未満である、実施形態22から実施形態30のうちのいずれか1つに記載の物品。
前記半導体ウェハが前記無機ウェハに取り外し可能に接合されている、実施形態22から31のうちのいずれか1つに記載の物品。
デバイスにおいて、
無機ウェハに接合された半導体ウェハ、および
前記半導体ウェハと前記無機ウェハのうちの少なくとも一方の上に形成された1つ以上のデバイス部品
を備え、
前記半導体ウェハが、前記無機ウェハが透明な光の波長に対して不透明であり、
前記無機ウェハが、前記無機ウェハを貫通して形成され、前記半導体ウェハと前記無機ウェハとの間の界面にて終端している第1の孔を有する、デバイス。
前記第1の孔がメタライズされている、実施形態33記載のデバイス。
前記1つ以上のデバイス部品の各々が、マイクロ電子デバイス部品、高周波(RF)デバイス部品、光電子デバイス部品、微小電気機械システム(MEMS)デバイス部品、およびバイオセンサデバイス部品からなる群から選択されている、実施形態33または34記載のデバイス。
前記半導体ウェハが、前記半導体ウェハを貫通して形成され、前記半導体ウェハと前記無機ウェハとの間の界面にて前記第1の孔と整列している第2の孔を有する、実施形態33から35のうちのいずれか1つに記載のデバイス。
前記1つ以上のデバイス部品が、前記半導体ウェハと前記無機ウェハの両方の上に形成されている、実施形態36記載のデバイス。
前記半導体ウェハ上に形成された前記1つ以上のデバイス部品および前記無機ウェハ上に形成された前記1つ以上のデバイス部品が、前記第1の孔および前記第2の孔を介して互いに接続されている、実施形態37記載のデバイス。
110 半導体ウェハ
111 表面
112 ダメージトラック
114 孔
116 導電性材料
120 無機ウェハ
130 界面
600 デバイス
610、620 さらなる層
612、622 デバイス部品
614 バイア
710 アキシコンレンズ
712 光学要素
720、ガウシアンレーザビーム
730 ガウシアンベッセルビーム
732 延長焦点(焦線)
810 透明ウェハ
910 不透明ウェハ
1010、1020、1030、1040 ステップ
1310 ガラスウェハ
1320 シリコンウェハ
1330 ガラスカバー
Claims (13)
- プロセスにおいて、
光の波長を放射するレーザを用いて半導体ウェハに接合された無機ウェハ内にダメージトラックを形成するステップであって、前記半導体ウェハが前記光の波長に対して不透明であり、前記無機ウェハが前記光の波長に対して透明であるステップ、および
エッチングによって前記無機ウェハを貫通する孔を形成するために前記無機ウェハ内の前記ダメージトラックを拡大するステップであって、前記孔が前記半導体ウェハと前記無機ウェハとの間の界面にて終端しているステップを含み、
前記半導体ウェハの厚みは前記無機ウェハの厚みよりも大きい、プロセス。 - 前記エッチングが、第1の速度で前記無機ウェハをエッチングし、第2の速度で前記半導体ウェハをエッチングするエッチャントで行われ、前記第1の速度が前記第2の速度の少なくとも10倍である、請求項1記載のプロセス。
- 前記レーザが、延長焦点を作り出す複数の光学品を通して送られ、前記延長焦点が前記無機ウェハ内に前記ダメージトラックを形成している、請求項1または2記載のプロセス。
- 前記レーザが短パルスレーザである、請求項1から3のうちのいずれか一項に記載のプロセス。
- 前記無機ウェハに前記半導体ウェハを接合するステップをさらに含み、前記接合するステップが、前記半導体ウェハと前記無機ウェハのうちの少なくとも一方に対して表面改質層を形成するステップを含む、請求項1から4のうちのいずれか一項に記載のプロセス。
- 前記孔をメタライズするステップをさらに含む、請求項1から5のうちのいずれか一項に記載のプロセス。
- 物品において、
無機ウェハに接合された半導体ウェハであって、該無機ウェハが透明である光の波長に対して不透明である半導体ウェハ、
を備え、
前記無機ウェハが、貫通して形成された孔を有し、前記孔が、前記半導体ウェハと前記無機ウェハとの間の界面にて終端し、
前記半導体ウェハの厚みは前記無機ウェハの厚みより大きい、物品。 - 前記孔がメタライズされている、請求項7記載の物品。
- 前記半導体ウェハが前記無機ウェハに対して取り外し可能に接合されている、請求項7または8記載の物品。
- デバイスにおいて、
無機ウェハに接合された半導体ウェハ、および
前記半導体ウェハと前記無機ウェハのうちの少なくとも一方の上に形成された1つ以上のデバイス部品
を備え、
前記半導体ウェハが、前記無機ウェハが透明な光の波長に対して不透明であり、
前記無機ウェハが、貫通して形成された前記無機ウェハを有し、前記半導体ウェハと該無機ウェハとの間の界面にて終端する第1の孔を有し、
前記半導体ウェハの厚みは前記無機ウェハの厚みより大きい、デバイス。 - 前記半導体ウェハの厚みは100μmから1mmの範囲であり、前記無機ウェハの厚みは100μm未満である、請求項1から6のうちのいずれか一項に記載のプロセス。
- 前記半導体ウェハの厚みは100μmから1mmの範囲であり、前記無機ウェハの厚みは100μm未満である、請求項7から9のうちのいずれか一項に記載の物品。
- 前記半導体ウェハの厚みは100μmから1mmの範囲であり、前記無機ウェハの厚みは100μm未満である、請求項10に記載のデバイス。
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- 2017-06-27 CN CN201780041430.XA patent/CN109417031A/zh active Pending
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- 2017-06-29 TW TW106121686A patent/TWI761355B/zh active
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WO2018005401A1 (en) | 2018-01-04 |
TW201810430A (zh) | 2018-03-16 |
US10756003B2 (en) | 2020-08-25 |
US10134657B2 (en) | 2018-11-20 |
TWI761355B (zh) | 2022-04-21 |
KR102442524B1 (ko) | 2022-09-14 |
CN109417031A (zh) | 2019-03-01 |
KR20190022789A (ko) | 2019-03-06 |
US20190074240A1 (en) | 2019-03-07 |
US20180005922A1 (en) | 2018-01-04 |
JP2019527927A (ja) | 2019-10-03 |
EP3479395A1 (en) | 2019-05-08 |
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