JP5837689B2 - 光子計数uv−apd - Google Patents
光子計数uv−apd Download PDFInfo
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- JP5837689B2 JP5837689B2 JP2014519066A JP2014519066A JP5837689B2 JP 5837689 B2 JP5837689 B2 JP 5837689B2 JP 2014519066 A JP2014519066 A JP 2014519066A JP 2014519066 A JP2014519066 A JP 2014519066A JP 5837689 B2 JP5837689 B2 JP 5837689B2
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- 238000000034 method Methods 0.000 claims description 35
- 239000004065 semiconductor Substances 0.000 claims description 31
- 238000010521 absorption reaction Methods 0.000 claims description 25
- 239000007943 implant Substances 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 16
- 238000011065 in-situ storage Methods 0.000 claims description 11
- 229910052710 silicon Inorganic materials 0.000 claims description 11
- 239000010703 silicon Substances 0.000 claims description 11
- 238000000407 epitaxy Methods 0.000 claims description 4
- 150000002500 ions Chemical class 0.000 claims 2
- 238000000098 azimuthal photoelectron diffraction Methods 0.000 description 102
- 235000012431 wafers Nutrition 0.000 description 80
- 239000010410 layer Substances 0.000 description 78
- 230000005684 electric field Effects 0.000 description 22
- 238000000752 ionisation method Methods 0.000 description 10
- 238000010791 quenching Methods 0.000 description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 239000007858 starting material Substances 0.000 description 7
- 239000000969 carrier Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000708 deep reactive-ion etching Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 1
- 239000006117 anti-reflective coating Substances 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000019837 monoammonium phosphate Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices 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; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/08—Semiconductor devices 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; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors
- H01L31/10—Semiconductor devices 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; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors characterised by potential barriers, e.g. phototransistors
- H01L31/101—Devices sensitive to infrared, visible or ultraviolet radiation
- H01L31/102—Devices sensitive to infrared, visible or ultraviolet radiation characterised by only one potential barrier
- H01L31/107—Devices sensitive to infrared, visible or ultraviolet radiation characterised by only one potential barrier the potential barrier working in avalanche mode, e.g. avalanche photodiodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01L27/146—Imager structures
- H01L27/14643—Photodiode arrays; MOS imagers
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Light Receiving Elements (AREA)
Description
Claims (14)
- アバランシェフォトダイオード(ADP)であって、
第1のドーピング型を有する第1の半導体基板と、
前記第1の半導体基板の上部の第1の半導体層であって、前記第1のドーピング型をドープされる、第1の半導体層と、
前記第1の半導体層の上部の第2のエピタキシャル層であって、前記第1の半導体層内の前記第1のドーピング型の濃度より高い濃度で、前記第1のドーピング型を原位置で(in-situ)ドープされる、第2のエピタキシャル層と、
前記第2のエピタキシャル層の上部の第3のエピタキシャル層であって、第2のドーピング型を原位置でドープされ、第3のエピタキシャル層のドーピングは、第2のエピタキシャル層のドーピングと共に、第1のp−n接合を形成し、キャリア増倍領域は前記第1のp−n接合を含み、第3のエピタキシャル層は、光子のための吸収領域を形成する、第3のエピタキシャル層と、
前記第3のエピタキシャル層内の第1の埋設領域であって、前記第2のドーピング型をドープされる、第1の埋設領域とを備えるAPD。 - 前記第1の半導体層は、第1のエピタキシャル層であり、前記第1のドーピング型を原位置でドープされる請求項1に記載のAPD。
- 前記第1の半導体層は、前記第1の半導体基板に接合される第2の半導体基板である請求項1に記載のAPD。
- 前記第1のドーピング型はn型であり、前記第2のドーピング型はp型であり、前記半導体基板はシリコンで作られる請求項1に記載のAPD。
- 前記第2のエピタキシャル層および前記第3のエピタキシャル層の部分にオーバラップする前記第1のドーピング型の第2の埋設領域をさらに備え、前記第2の埋設領域は、前記第1の埋設領域と共に第2のp−n接合を形成する請求項1に記載のAPD。
- 前記第1または第2の半導体基板は、表面上に絶縁層を有し、前記絶縁層は、前記第2および第1の半導体基板にそれぞれ接合される請求項3に記載のAPD。
- 前記第2の半導体基板内に埋め込みインプラント領域をさらに備え、前記埋め込みインプラント領域は、前記第2の半導体基板の前記接合表面に隣接し、前記埋め込みインプラント領域は、前記第1のドーピング型をドープされる請求項6に記載のAPD。
- 前記第3のエピタキシャル層の上部表面上で前記第1の埋設領域に電気的に接続するアノード電極と、
前記半導体基板の下部表面上で前記半導体基板に電気的に接続するカソード電極とをさらに備える請求項4に記載のAPD。 - 前記カソード電極は、前記アノード電極より高くバイアスされる請求項8に記載のAPD。
- アバランシェフォトダイオードを作製するためのプロセスであって、
第1のドーピング型を有する半導体ウェハを準備すること、
第1のエピタキシャル層であって、前記第1のドーピング型を原位置でドープされる、第1のエピタキシャル層を前記半導体ウェハの上部で成長させること、
第2のエピタキシャル層であって、前記第1のエピタキシャル層内の前記第1のドーピング型の濃度より高い濃度で、前記第1のドーピング型を原位置でドープされる、第2のエピタキシャル層を前記第1のエピタキシャル層の上部で成長させること、
第3のエピタキシャル層であって、第2のドーピング型を原位置でドープされ、第3のエピタキシャル層は、第2のエピタキシャル層と共に、第1のp−n接合を形成し、キャリア増倍領域は前記第1のp−n接合を含み、第3のエピタキシャル層は吸収領域を形成する、第3のエピタキシャル層を前記第2のエピタキシャル層の上部で成長させること、および、
前記第3のエピタキシャル層内の第1の領域に、前記第2のドーピング型のイオンを注入することを含むプロセス。 - エピタキシチャンバは、前記第1、第2、および第3のエピタキシャル層を成長させ、前記第1、第2、および第3のエピタキシャル層は、前記エピタキシチャンバ内で同時に成長される請求項10に記載のプロセス。
- 前記第2のエピタキシャル層内の第2の領域に、前記第1のドーピング型のイオンを注入することをさらに含み、前記第2の領域は、前記第3のエピタキシャル層を成長させる前に注入され、前記第2の領域は、前記第1の領域と共に第2のp−n接合を形成する請求項10に記載のプロセス。
- 前記第1のドーピング型はn型であり、前記第2のドーピング型はp型であり、前記半導体ウェハはシリコンで作られる請求項10に記載のプロセス。
- アノード電極であって、前記第1の領域に電気的に接続する、アノード電極を前記第3のエピタキシャル層の上部に形成すること、および、
カソード電極を前記半導体ウェハの下部に形成することをさらに含む請求項13に記載のプロセス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/179,378 | 2011-07-08 | ||
US13/179,378 US8368159B2 (en) | 2011-07-08 | 2011-07-08 | Photon counting UV-APD |
PCT/US2012/045744 WO2013009615A1 (en) | 2011-07-08 | 2012-07-06 | Photon counting uv-apd |
Publications (3)
Publication Number | Publication Date |
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JP2014518458A JP2014518458A (ja) | 2014-07-28 |
JP2014518458A5 JP2014518458A5 (ja) | 2015-04-09 |
JP5837689B2 true JP5837689B2 (ja) | 2015-12-24 |
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JP2014519066A Active JP5837689B2 (ja) | 2011-07-08 | 2012-07-06 | 光子計数uv−apd |
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US (1) | US8368159B2 (ja) |
JP (1) | JP5837689B2 (ja) |
WO (1) | WO2013009615A1 (ja) |
Cited By (2)
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US10347670B2 (en) | 2017-03-15 | 2019-07-09 | Kabushiki Kaisha Toshiba | Photodetection element |
KR102566061B1 (ko) * | 2017-03-22 | 2023-08-11 | 소니 세미컨덕터 솔루션즈 가부시키가이샤 | 촬상 장치 및 신호 처리 장치 |
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Cited By (2)
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US10347670B2 (en) | 2017-03-15 | 2019-07-09 | Kabushiki Kaisha Toshiba | Photodetection element |
KR102566061B1 (ko) * | 2017-03-22 | 2023-08-11 | 소니 세미컨덕터 솔루션즈 가부시키가이샤 | 촬상 장치 및 신호 처리 장치 |
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US20130009265A1 (en) | 2013-01-10 |
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JP2014518458A (ja) | 2014-07-28 |
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