JP6559208B2 - フィルターコリメータおよびその形成方法 - Google Patents
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- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(iv) oxide Chemical compound O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 1
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- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 1
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- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
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- RJSRQTFBFAJJIL-UHFFFAOYSA-N niobium titanium Chemical compound [Ti].[Nb] RJSRQTFBFAJJIL-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1324—Sensors therefor by using geometrical optics, e.g. using prisms
-
- 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
- H01L31/02—Details
- H01L31/0216—Coatings
- H01L31/02161—Coatings for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02162—Coatings for devices characterised by at least one potential jump barrier or surface barrier for filtering or shielding light, e.g. multicolour filters for photodetectors
- H01L31/02165—Coatings for devices characterised by at least one potential jump barrier or surface barrier for filtering or shielding light, e.g. multicolour filters for photodetectors using interference filters, e.g. multilayer dielectric filters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/30—Collimators
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
-
- 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
- H01L31/02—Details
- H01L31/0216—Coatings
- H01L31/02161—Coatings for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02162—Coatings for devices characterised by at least one potential jump barrier or surface barrier for filtering or shielding light, e.g. multicolour filters for photodetectors
- H01L31/02164—Coatings for devices characterised by at least one potential jump barrier or surface barrier for filtering or shielding light, e.g. multicolour filters for photodetectors for shielding light, e.g. light blocking layers, cold shields for infrared detectors
-
- 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
- H01L31/02—Details
- H01L31/0232—Optical elements or arrangements associated with the device
- H01L31/02327—Optical elements or arrangements associated with the device the optical elements being integrated or being directly associated to the device, e.g. back reflectors
-
- 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
- H01L27/14678—Contact-type imagers
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Human Computer Interaction (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Optical Filters (AREA)
- Color Television Image Signal Generators (AREA)
- Light Receiving Elements (AREA)
Description
102 基板
102A 基板の上面
104 フォトダイオード
106 配線層
108 干渉型フィルター膜
108A スペクトル
108B スペクトル
110 第1の遮光層
112 開口
114 吸収型フィルター膜
114A スペクトル
114B スペクトル
116 第2の遮光層
118 開口
A 光線
B 光線
L(0) スペクトル
L(30) スペクトル
L(40) スペクトル
L(50) スペクトル
N 法線
W1 第1波長帯
W2 第2波長帯
W3 第3波長帯
W4 第4波長帯
θA 角度
θB 角度
Claims (12)
- フォトダイオードを有する基板、
前記基板の上方に配置され、前記フォトダイオードに対応する開口を有する第1の遮光層、
前記基板と前記第1の遮光層の間に配置された干渉型フィルター膜、および
前記基板の上方に配置された吸収型フィルター膜を含み、
第1の光線が前記基板の上面の法線に対して第1の角度で入射したとき、前記干渉型フィルター膜は、第1の波長帯で50%より大きい透過率を有し、且つ第2の光線が前記基板の前記上面の前記法線に対して第2の角度で入射したとき、前記干渉型フィルター膜は、第2の波長帯で50%より大きい透過率を有し、前記吸収型フィルター膜は、第3の波長帯で50%より大きい透過率を有し、且つ前記第1の波長帯は、前記第3の波長帯に一部重なり、前記第2の波長帯は、前記第3の波長帯に重ならず、前記第2の角度は前記第1の角度より大きく、
前記第1の波長帯の最大の波長は、第1の波長であり、前記第3の波長帯の最小の波長は、第2の波長であり、前記第1の波長は、前記第2の波長より長く、前記第1の波長帯は、第4の波長帯で前記第3の波長帯に重なり、前記第4の波長帯は、前記第2の波長と前記第1の波長の間にあるフィルターコリメータ。 - 前記吸収型フィルター膜は、前記基板と前記干渉型フィルター膜の間に配置され、前記吸収型フィルター膜は、顔料またはポリマーを含み、前記干渉型フィルター膜は、無機材料を含む請求項1に記載のフィルターコリメータ。
- 前記吸収型フィルター膜は、前記第1の遮光層の開口に配置され、前記吸収型フィルター膜は、顔料またはポリマーを含み、前記干渉型フィルター膜は、無機材料を含む請求項1に記載のフィルターコリメータ。
- 前記基板と前記干渉型フィルター膜の間に配置され、前記フォトダイオードに対応する開口を有し、前記開口に前記吸収型フィルター膜が配置された第2の遮光層、および
前記基板に配置され、且つ前記フォトダイオードに隣接する配線層を更に含む請求項1に記載のフィルターコリメータ。 - 物体上に特定の波長帯を有する光線を照射するように構成された光源ユニットを更に含み、前記第1の波長帯は、第4の波長帯で前記第3の波長帯に一部重なり、且つ前記特定の波長帯は、前記第4の波長帯を含み、前記第4の波長帯の半値全幅(FWHM)は、10nmと50nmの間の範囲にあり、前記第4の波長帯のピークは、約450nmと940nmの間にある請求項1に記載のフィルターコリメータ。
- 前記第1の角度は、40°より小さいまたは40°と等しい請求項1に記載のフィルターコリメータ。
- 前記第3の波長帯の前記第2の波長は、450nmより長い請求項1に記載のフィルターコリメータ。
- 前記第1の波長帯の最小の波長は、第3の波長であり、前記第3の波長帯の前記第2の波長は、前記第1の波長帯の前記第3の波長より長い請求項1に記載のフィルターコリメータ。
- 前記第3の波長帯の最大の波長は、第4の波長であり、前記第1の波長帯の第1の波長は、前記第3の波長帯の前記第4の波長より短い請求項1に記載のフィルターコリメータ。
- 前記第1の波長帯の最小の波長は、第3の波長であり、前記第3の波長帯の最大の波長は、第4の波長であり、前記第1の波長帯の前記第1の波長は、前記第3の波長帯の前記第4の波長より短く、前記第3の波長帯の前記第2の波長は、前記第1の波長帯の前記第3の波長より長い請求項1に記載のフィルターコリメータ。
- フォトダイオードを有する基板を準備するステップ、
前記基板の上方に、フォトダイオードに対応する開口を有する第1の遮光層を配置するステップ、
前記基板と前記第1の遮光層の間に干渉型フィルター膜を配置するステップ、および
前記基板の上方に吸収型フィルター膜を配置するステップを含み、
第1の光線が前記基板の上面の法線に対して第1の角度で入射したとき、前記干渉型フィルター膜は、第1の波長帯で50%より大きい透過率を有し、且つ第2の光線が前記基板の前記上面の前記法線に対して第2の角度で入射したとき、前記干渉型フィルター膜は、第2の波長帯で50%より大きい透過率を有し、前記吸収型フィルター膜は、第3の波長帯で50%より大きい透過率を有し、且つ前記第1の波長帯は、前記第3の波長帯に一部重なり、前記第2の波長帯は、前記第3の波長帯に重ならず、前記第2の角度は前記第1の角度より大きく、
前記第1の波長帯の最大の波長は、第1の波長であり、前記第3の波長帯の最小の波長は、第2の波長であり、前記第1の波長は、前記第2の波長より長く、前記第1の波長帯は、第4の波長帯で前記第3の波長帯に重なり、前記第4の波長帯は、前記第2の波長と前記第1の波長の間にあるフィルターコリメータを形成する方法。 - 第2の遮光層が前記基板と前記干渉型フィルター膜の間に配置され、前記第2の遮光層が前記フォトダイオードに対応する開口を有し、前記吸収型フィルター膜が前記第2の遮光層の前記開口に配置されるステップ、および
物体上に特定の波長帯を有する光線を照射するように構成された光源ユニットを配置し、前記第1の波長帯は、第4の波長帯で前記第3の波長帯に一部重なり、且つ前記特定の波長帯は、前記第4の波長帯を含むステップを更に含む請求項11に記載の方法。
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US15/661,254 US10249771B2 (en) | 2017-07-27 | 2017-07-27 | Filter collimators and methods for forming the same |
US15/661,254 | 2017-07-27 |
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JP2019028424A JP2019028424A (ja) | 2019-02-21 |
JP6559208B2 true JP6559208B2 (ja) | 2019-08-14 |
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JP (1) | JP6559208B2 (ja) |
CN (1) | CN109308440B (ja) |
TW (1) | TWI629515B (ja) |
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JP6631243B2 (ja) | 2015-01-30 | 2020-01-15 | Jsr株式会社 | 固体撮像装置及び光学フィルタ |
DE102016110095A1 (de) * | 2015-07-07 | 2017-01-12 | Toyota Motor Engineering & Manufacturing North America, Inc. | Omnidirektionale rote strukturelle farbe hoher chroma mit kombination aus metallabsorber- und dielektrischen absorberschichten |
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- 2017-09-07 TW TW106130619A patent/TWI629515B/zh active
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US20190035947A1 (en) | 2019-01-31 |
CN109308440B (zh) | 2021-06-11 |
US10249771B2 (en) | 2019-04-02 |
TW201910868A (zh) | 2019-03-16 |
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