JP2023106301A - 半導体装置における均一なトレンチおよびその製造方法 - Google Patents
半導体装置における均一なトレンチおよびその製造方法 Download PDFInfo
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- 229910052759 nickel Inorganic materials 0.000 description 1
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- DAFIBNSJXIGBQB-UHFFFAOYSA-N perfluoroisobutene Chemical group FC(F)=C(C(F)(F)F)C(F)(F)F DAFIBNSJXIGBQB-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
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- H01L27/14603—Special geometry or disposition of pixel-elements, address-lines or gate-electrodes
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- H01L27/144—Devices controlled by radiation
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- H01L27/144—Devices controlled by radiation
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- H01L27/14683—Processes or apparatus peculiar to the manufacture or treatment of these devices or parts thereof
- H01L27/1469—Assemblies, i.e. hybrid integration
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Element Separation (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
102 第1基板
104 第1誘電体層
104t 垂直距離
106 回路
108 第1相互接続構造
110 第1チップ
112 第2基板
112p、2212p 凸部
112p1w、112p2w、2212p1w、2212p2w 距離/幅
114 第2誘電体層
116 フロート装置
118 第2相互接続構造
120 第2チップ
120s1 第1側
120s2 第2側
122 放射感知領域
124 トレンチ分離構造
124A 直線部分
124B 交差部分
124Aw、124Bw、124p1w、124p2w、524Aw、524Bw、1136w、1036w、1324Bw、2036w、1424Bw、2224Bw 幅
124Ad、124Bd、1324Ad、1324Bd 深さ
124p1 第1凸部
124p2 第2凸部
124As 凸状底面
124Bs 凹状底面
124pr、112pr 距離
124r 凹部
130 インターフェース
150 領域
152 カラーフィルタ
154 金属格子
156 マイクロレンズ
524A1、524B1、524A2、524B2 トレンチ充填構造
600 方法
610、620、630 操作
724A、1424A 第1パターン
724B、1424B 第2パターン
724、1424 パターン
724Aw、1424Aw 第1幅
724Bw、1424Bw 第2幅
732、1432 マスク層
732t、1438t、1432t、1442t、1644t、1846t 厚さ
934 コーティング層
1036 マスク構造
1136、2036 第3パターン
1324A、2224A 第1トレンチ
1324B、2224B 第2トレンチ
1438 第1ESL
1442 第2ESL
1644 誘電体層
1746 コーティング層
1846 第1マスク構造
1944 第2マスク構造
2038 第3マスク構造
Claims (20)
- 第1幅および凸状底面を有する基板上の第1トレンチ充填構造と、
凹状底面と、
前記第1幅よりも大きい第2幅と、
を有する前記基板上の第2トレンチ充填構造と、
を含む半導体構造。 - 前記第1トレンチ充填構造が、第1深さを有し、前記第2トレンチ充填構造が、第2深さを有し、前記第1深さに対する前記第1深さと前記第2深さの間の差の比率が、20%より小さい請求項1に記載の半導体構造。
- 前記第2トレンチ充填構造が、さらに、前記凹状底面において凸部および凹部を含み、前記凸部と前記凹部の間の距離が、10Å~2000Åの範囲である請求項1に記載の半導体構造。
- 前記第1トレンチ充填構造の深さに対する前記距離の比率が、0.02%~5%の範囲である請求項3に記載の半導体構造。
- 前記第1トレンチ充填構造が、深さを有し、前記第1幅に対する前記深さの比率が、20~100の範囲である請求項1に記載の半導体構造。
- 前記深さが、2μm~4μmの範囲である請求項5に記載の半導体構造。
- 前記第2トレンチ充填構造が、深さを有し、前記第2幅に対する前記深さの比率が、5~50の範囲である請求項1に記載の半導体構造。
- 前記第1幅に対する前記第2幅の比率が、2~100の範囲である請求項1に記載の半導体構造。
- 前記第1幅が、40nm~100nmの範囲であり、前記第2幅が、80nm~400nmの範囲である請求項1に記載の半導体構造。
- 第1チップと、
前記第1チップの第2側に接合された第2チップと、
を含み、
前記第1チップが、前記第1チップの第1側にある複数の画素と、
前記複数の画素を互いに隔離する第1および第2トレンチ充填構造と、
を含み、前記第1トレンチ充填構造が、凸状底面を有し、前記第2トレンチ充填構造が、前記第1トレンチ充填構造と接触しており、前記第2トレンチ充填構造が、凹状底面を有し、
前記第2側が、前記第1側の反対側にある半導体装置。 - 前記第1トレンチ充填構造が、第1深さを有し、前記第2トレンチ充填構造が、第2深さを有し、前記第1深さに対する前記第1深さと前記第2深さの間の差の比率が、20%より小さい請求項10に記載の半導体装置。
- 前記第2トレンチ充填構造が、前記凹状底面において凸部および凹部を含み、前記第1トレンチ充填構造の深さに対する前記凸部と前記凹部の間の距離の比率が、0.02%~5%の範囲である請求項10に記載の半導体装置。
- 前記第1トレンチ充填構造が、第1幅を有し、前記第2トレンチ充填構造が、第2幅を有し、前記第1幅に対する前記第2幅の比率が、2~100の範囲である請求項10に記載の半導体装置。
- 基板上に、第1幅を有する第1パターン、および前記第1幅よりも大きい第2幅を有する第2パターンを形成することと、
前記第2パターン内に、前記第2幅よりも小さい第3幅を有する第3パターンを形成することと、
前記基板上に、前記第1パターンの下方の第1トレンチ、および前記第2および第3パターンの下方の第2トレンチを形成することと、
を含む半導体装置の製造方法。 - 前記第1パターンおよび前記第2パターンを形成することが、
前記基板上にマスク層を堆積させることと、
前記マスク層を前記第1および第2パターンにエッチングすることと、
を含む請求項14に記載の方法。 - 前記第3パターンを形成することが、
前記第1および第2パターン上に誘電材料を堆積させることと、
前記第2パターンの上方の前記誘電材料上にマスク構造を形成することと、
前記誘電材料および前記マスク構造をエッチングすることと、
を含む請求項14に記載の方法。 - 前記第1パターンおよび前記第2パターンを形成することが、
前記基板上に第1エッチストップ層を堆積させることと、
前記第1エッチストップ層上にマスク層を堆積させることと、
前記マスク層上に第2エッチストップ層を堆積させることと、
前記マスク層および前記第2エッチストップ層をエッチングすることと、
を含む請求項14に記載の方法。 - 前記第3パターンを形成することが、
前記第1および第2パターン上に誘電材料を堆積させて、前記第1パターンを充填することと、
前記誘電材料上にコーティング層を堆積させて、前記第2パターンを充填することと、
前記コーティング層および前記誘電材料をエッチングして、前記第2パターン内にマスク構造を形成することと、
前記第1パターン、前記マスク構造、および前記第2パターンによって露出した前記第1エッチストップ層を除去することと、
を含む請求項17に記載の方法。 - 前記第1トレンチおよび前記の第2トレンチを形成することが、前記第1、第2、および第3パターンを有する前記基板をフッ素系プラズマでエッチングすることを含む請求項14に記載の方法。
- 前記第1および第2トレンチを誘電材料で充填することをさらに含む請求項14に記載の方法。
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JP2002100675A (ja) * | 2000-08-29 | 2002-04-05 | Samsung Electronics Co Ltd | トレンチ素子分離型半導体装置及びその形成方法 |
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