WO2023040395A1 - 一种平面型InP基SPAD及其应用 - Google Patents
一种平面型InP基SPAD及其应用 Download PDFInfo
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- WO2023040395A1 WO2023040395A1 PCT/CN2022/100056 CN2022100056W WO2023040395A1 WO 2023040395 A1 WO2023040395 A1 WO 2023040395A1 CN 2022100056 W CN2022100056 W CN 2022100056W WO 2023040395 A1 WO2023040395 A1 WO 2023040395A1
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- 238000002955 isolation Methods 0.000 claims abstract description 30
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- 238000009792 diffusion process Methods 0.000 claims description 20
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 claims description 18
- 230000007704 transition Effects 0.000 claims description 17
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- 210000000746 body region Anatomy 0.000 claims description 15
- 239000012535 impurity Substances 0.000 claims description 2
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- 238000004806 packaging method and process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000003471 anti-radiation Effects 0.000 description 2
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 108091006149 Electron carriers Proteins 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
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- 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
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- H—ELECTRICITY
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- 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
- H01L31/0248—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 characterised by their semiconductor bodies
- H01L31/0256—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 characterised by their semiconductor bodies characterised by the material
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- 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 at least one potential-jump barrier or surface barrier, e.g. phototransistors
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Abstract
Description
外延层 | 厚度(μm) | 掺杂浓度(cm -3) |
p型InP扩散层 | 1.2 | 1×10 19 |
InP倍增层 | 0.5 | 1×10 15 |
InP电荷层 | 0.2 | 1.8×10 17 |
InGaAsP过渡层 | 0.1 | 1×10 15 |
InGaAs吸收层 | 1 | 1×10 15 |
InP缓冲层 | 0.6 | 1×10 17 |
n型InP衬底 | 50 | 1×10 18 |
Claims (13)
- 一种平面型InP基SPAD,其特征在于,所述InP基SPAD包括n型InP衬底,所述n型InP衬底上表面设有主体区,所述主体区包括依次叠置的InP缓冲层、InGaAs吸收层、InGaAsP过渡层、InP电荷层、InP倍增层及p型InP扩散层,所述主体区的外围设置有隔离环。
- 根据权利要求1所述的InP基SPAD,其特征在于,所述n型InP衬底为L形,包括垂直区衬底和水平区衬底,所述主体区及所述隔离环位于所述水平区衬底上表面,所述垂直区衬底设置于所述隔离环的外侧。
- 根据权利要求2所述的InP基SPAD,其特征在于,所述垂直区衬底及所述p型InP扩散层的表面分别对应设置有n电极及p电极,从而形成同侧电极。
- 根据权利要求3所述的InP基SPAD,其特征在于,所述p型InP扩散层与所述p电极之间还设置有接触层,以形成欧姆接触。
- 根据权利要求1所述的InP基SPAD,其特征在于,所述InP倍增层及p型InP扩散层的接触面为阶梯型。
- 根据权利要求1所述的InP基SPAD,其特征在于,所述n型InP衬底厚度为30-70μm,掺杂浓度为1e17-1e19cm -3;所述InP缓冲层厚度0.2-0.9μm,掺杂浓度为1e16-1e18cm -3;所述InGaAs吸收层厚度为0.6-1.8μm,掺杂浓度为1e14-1e16cm -3;所述InGaAsP过渡层厚度为0.05-0.16μm,掺杂浓度为1e14-1e16cm -3;所述InP电荷层厚度为0.1-0.3μm,掺杂浓度为1e16-1e18cm -3;所述InP倍增层厚度为0.3-0.7μm,掺杂浓度为1e14-1e16cm -3;所述p型InP扩散层厚度为0.7-2μm,掺杂浓度为1e17-1e20cm -3。
- 根据权利要求6所述的InP基SPAD,其特征在于,所述n型InP衬底厚度为50μm,掺杂浓度为1e18cm -3;所述InP缓冲层厚度0.6μm,掺杂浓度为1e17cm -3;所述InGaAs吸收层厚度为1μm,掺杂浓度为1e15cm -3;所述InGaAsP过渡层厚度为0.1μm,掺杂浓度为1e15cm -3;所述InP电荷层厚度为0.2μm,掺杂浓度为1.8e17cm -3;所述InP倍增层厚度为0.5μm,掺杂浓度为1e15cm -3;所述p型InP扩散层厚度为1.2μm,掺杂浓度为1e19cm -3。
- 根据权利要求1所述的InP基SPAD,其特征在于,所述InGaAs吸收层中的In组分为0.53, Ga组分为0.47。
- 根据权利要求8所述的InP基SPAD,其特征在于,所述InGaAs吸收层是带隙为0.75eV的直接带隙材料,工作波长范围为0.9μm~1.7μm。
- 根据权利要求1所述的InP基SPAD,其特征在于,所述InGaAsP过渡层中的In组分为0.82,As组分为0.4。
- 根据权利要求1所述的InP基SPAD,其特征在于,所述隔离环为浅沟槽隔离(STI)结构,且与所述主体区具有相同深度,所述隔离环的宽度为0.5-2μm,深度为2-5μm。
- 根据权利要求11所述的InP基SPAD,其特征在于,所述隔离环的宽度为1μm,深度为3.6μm。
- 一种如权利要求1-12任一所述InP基SPAD的应用,其特征在于,所述InP基SPAD包括应用于航空航天通信及核电领域的SPAD。
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KR1020237039991A KR20230172028A (ko) | 2021-09-14 | 2022-06-21 | 평면형 InP 기반 SPAD 및 그 응용 |
EP22868772.9A EP4336568A1 (en) | 2021-09-14 | 2022-06-21 | Planar inp-based spad and application thereof |
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CN202111076269.4 | 2021-09-14 | ||
CN202111076269.4A CN115810675A (zh) | 2021-09-14 | 2021-09-14 | 一种平面型InP基SPAD及其应用 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10261813A (ja) * | 1997-03-19 | 1998-09-29 | Sumitomo Electric Ind Ltd | 長波長受光素子用基板及びエピタキシャルウエハ |
CN103107231A (zh) * | 2013-02-05 | 2013-05-15 | 武汉电信器件有限公司 | 一种基于非N型InP衬底的雪崩光电二极管及其制备方法 |
CN107768462A (zh) * | 2017-11-02 | 2018-03-06 | 天津大学 | 两级台面铟镓砷/铟磷雪崩光电二极管及其制备方法 |
CN110088916A (zh) * | 2017-05-15 | 2019-08-02 | 洛克利光子有限公司 | 雪崩光电二极管结构 |
CN110571300A (zh) * | 2019-08-01 | 2019-12-13 | 武汉电信器件有限公司 | 一种外延片、平面型光电二极管及其制备方法 |
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2021
- 2021-09-14 CN CN202111076269.4A patent/CN115810675A/zh active Pending
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2022
- 2022-06-21 WO PCT/CN2022/100056 patent/WO2023040395A1/zh active Application Filing
- 2022-06-21 EP EP22868772.9A patent/EP4336568A1/en active Pending
- 2022-06-21 KR KR1020237039991A patent/KR20230172028A/ko unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10261813A (ja) * | 1997-03-19 | 1998-09-29 | Sumitomo Electric Ind Ltd | 長波長受光素子用基板及びエピタキシャルウエハ |
CN103107231A (zh) * | 2013-02-05 | 2013-05-15 | 武汉电信器件有限公司 | 一种基于非N型InP衬底的雪崩光电二极管及其制备方法 |
CN110088916A (zh) * | 2017-05-15 | 2019-08-02 | 洛克利光子有限公司 | 雪崩光电二极管结构 |
CN107768462A (zh) * | 2017-11-02 | 2018-03-06 | 天津大学 | 两级台面铟镓砷/铟磷雪崩光电二极管及其制备方法 |
CN110571300A (zh) * | 2019-08-01 | 2019-12-13 | 武汉电信器件有限公司 | 一种外延片、平面型光电二极管及其制备方法 |
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KR20230172028A (ko) | 2023-12-21 |
CN115810675A (zh) | 2023-03-17 |
EP4336568A1 (en) | 2024-03-13 |
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