JP6700230B2 - 半導体構造およびそれを製造する方法 - Google Patents
半導体構造およびそれを製造する方法 Download PDFInfo
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- JP6700230B2 JP6700230B2 JP2017177623A JP2017177623A JP6700230B2 JP 6700230 B2 JP6700230 B2 JP 6700230B2 JP 2017177623 A JP2017177623 A JP 2017177623A JP 2017177623 A JP2017177623 A JP 2017177623A JP 6700230 B2 JP6700230 B2 JP 6700230B2
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/10—Integrated devices
- H10F39/12—Image sensors
- H10F39/199—Back-illuminated image sensors
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/011—Manufacture or treatment of image sensors covered by group H10F39/12
- H10F39/024—Manufacture or treatment of image sensors covered by group H10F39/12 of coatings or optical elements
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/011—Manufacture or treatment of image sensors covered by group H10F39/12
- H10F39/026—Wafer-level processing
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/80—Constructional details of image sensors
- H10F39/805—Coatings
- H10F39/8053—Colour filters
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/80—Constructional details of image sensors
- H10F39/811—Interconnections
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- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
本出願は、「Semiconductor Structure and Manufacturing Method Thereof」という発明の名称の2015年1月9日に出願された米国仮特許出願第62/101,597号の利益を主張し、その開示は全体が参照により本明細書に組み込まれる。
Claims (7)
- 第1の面および前記第1の面に対向する第2の面を備える半導体基板と、
前記半導体基板に配置される放射線検知デバイスと、
前記半導体基板の前記第1の面の上に配置される層間絶縁膜(ILD)と、
前記ILD内で伸びるビアと、
前記ILDの上に配置される相互接続構造と、
前記半導体基板と前記ビアの内部に配置される導電パッドと、
前記ILDの上に配置され、前記半導体基板の前記第1の面と隣接するシャロートレンチアイソレーション(STI)と、を備え、
前記ビア内に配置される前記導電パッドの幅は、前記ビアの幅と実質的に等しく、前記導電パッドは、前記第1の面と前記第2の面の間に配置され、前記半導体基板に囲まれる表面を備え、
前記導電パッドは、前記ビアに沿って延び、前記ビア内に配置され、前記STIの一部は前記ILDの一部と前記導電パッドとの間に配置される、半導体構造。 - 前記ビアの幅は前記導電パッドの表面の幅より実質的に狭いか、または等しい、請求項1に記載の半導体構造。
- 前記半導体基板に配置され、前記半導体基板の前記第2の面から前記第1の面に対して延びる凹部をさらに備え、前記凹部の幅は、前記凹部内に配置される前記導電パッドの幅より実質的に広いか、または等しい、請求項1または2に記載の半導体構造。
- 前記半導体基板においては、前記導電パッドの表面が欠けている、請求項1〜3のいずれか一項に記載の半導体構造。
- 前記導電パッドは前記半導体基板と前記ILDに囲まれる、請求項1〜4のいずれか一項に記載の半導体構造。
- 半導体構造を製造する方法であって、
第1の面と、前記第1の面に対向する第2の面と、半導体基板に形成される複数の放射線検知デバイスとを備える半導体基板を受け取るステップと、
前記半導体基板の前記第1の面の上に層間絶縁膜(ILD)を配置するステップと、
前記ILDの上に前記半導体基板の前記第1の面と隣接して配置されたシャロートレンチアイソレーション(STI)を配置するステップと、
前記ILDの上に相互接続構造を配置するステップと、
前記ILD内で伸びるビアを形成するために前記半導体基板の一部および前記ILDの一部を除去するステップと、
前記半導体基板と前記ビアとの内部に導電パッドを形成するステップと、
を含み、
前記ビア内に配置される前記導電パッドの幅は、前記ビアの幅と実質的に等しく、前記導電パッドは、前記第1の面と前記第2の面の間に配置され、前記半導体基板に囲まれる表面を備え、
前記導電パッドは、前記ビアに沿って延び、前記ビア内に配置され、前記STIの一部は前記ILDの一部と前記導電パッドとの間に配置される、方法。 - 前記半導体基板の一部および前記ILDの一部を除去するステップは、前記半導体基板の前記第2の面から前記第1の面に対して延びる、凹部を形成させるステップ、または前記半導体基板の前記第2の面の上の前記導電パッドの位置に従ってパターニングされるフォトマスクを配置するステップ、または前記半導体基板の前記第2の面の上にパターニングされたマスクを配置し、前記半導体基板の一部もしくは前記ILDの一部をエッチングするステップを含む、請求項6に記載の方法。
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562101597P | 2015-01-09 | 2015-01-09 | |
| US62/101,597 | 2015-01-09 | ||
| US14/642,344 | 2015-03-09 | ||
| US14/642,344 US9748301B2 (en) | 2015-01-09 | 2015-03-09 | Semiconductor structure and manufacturing method thereof |
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| JP2015190312A Division JP2016129216A (ja) | 2015-01-09 | 2015-09-28 | 半導体構造およびそれを製造する方法 |
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| JP2018022905A JP2018022905A (ja) | 2018-02-08 |
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| WO2022138467A1 (ja) * | 2020-12-25 | 2022-06-30 | ソニーセミコンダクタソリューションズ株式会社 | 固体撮像装置 |
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| Publication number | Publication date |
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| US20190165011A1 (en) | 2019-05-30 |
| US20170309659A1 (en) | 2017-10-26 |
| US10177189B2 (en) | 2019-01-08 |
| TWI591763B (zh) | 2017-07-11 |
| US9748301B2 (en) | 2017-08-29 |
| US20200303435A1 (en) | 2020-09-24 |
| KR20160086245A (ko) | 2016-07-19 |
| TW201626502A (zh) | 2016-07-16 |
| US20160204146A1 (en) | 2016-07-14 |
| US11018179B2 (en) | 2021-05-25 |
| KR101763017B1 (ko) | 2017-07-28 |
| US20180294295A1 (en) | 2018-10-11 |
| CN105789228A (zh) | 2016-07-20 |
| US10204956B2 (en) | 2019-02-12 |
| CN105789228B (zh) | 2020-01-14 |
| JP2018022905A (ja) | 2018-02-08 |
| US10686005B2 (en) | 2020-06-16 |
| JP2016129216A (ja) | 2016-07-14 |
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