JP6458107B2 - ボロン層を有する裏面照光センサ - Google Patents
ボロン層を有する裏面照光センサ Download PDFInfo
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- JP6458107B2 JP6458107B2 JP2017182114A JP2017182114A JP6458107B2 JP 6458107 B2 JP6458107 B2 JP 6458107B2 JP 2017182114 A JP2017182114 A JP 2017182114A JP 2017182114 A JP2017182114 A JP 2017182114A JP 6458107 B2 JP6458107 B2 JP 6458107B2
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- boron
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- 229910052796 boron Inorganic materials 0.000 title claims description 72
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 title claims description 70
- 238000007689 inspection Methods 0.000 claims description 40
- 239000004065 semiconductor Substances 0.000 claims description 31
- 229910052710 silicon Inorganic materials 0.000 claims description 31
- 239000010703 silicon Substances 0.000 claims description 31
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 28
- 239000011248 coating agent Substances 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 12
- 230000005855 radiation Effects 0.000 claims description 12
- 239000003870 refractory metal Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 147
- 235000012431 wafers Nutrition 0.000 description 70
- 238000000034 method Methods 0.000 description 54
- 239000000758 substrate Substances 0.000 description 48
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 45
- 235000012239 silicon dioxide Nutrition 0.000 description 23
- 239000002245 particle Substances 0.000 description 21
- 239000000377 silicon dioxide Substances 0.000 description 20
- 229910052751 metal Inorganic materials 0.000 description 19
- 239000002184 metal Substances 0.000 description 19
- 239000000463 material Substances 0.000 description 18
- 238000000151 deposition Methods 0.000 description 16
- 230000008021 deposition Effects 0.000 description 16
- 238000004140 cleaning Methods 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000012545 processing Methods 0.000 description 12
- 239000011241 protective layer Substances 0.000 description 12
- 238000005286 illumination Methods 0.000 description 10
- 230000007547 defect Effects 0.000 description 9
- 239000007787 solid Substances 0.000 description 9
- 239000006117 anti-reflective coating Substances 0.000 description 8
- 238000005530 etching Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000035945 sensitivity Effects 0.000 description 8
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 5
- 239000000356 contaminant Substances 0.000 description 5
- 239000002019 doping agent Substances 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 5
- 238000005468 ion implantation Methods 0.000 description 5
- 238000001459 lithography Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 125000004429 atom Chemical group 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- 238000005036 potential barrier Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 230000003667 anti-reflective effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 2
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910002601 GaN Inorganic materials 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- YZCKVEUIGOORGS-UHFFFAOYSA-N Hydrogen atom Chemical compound [H] YZCKVEUIGOORGS-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000001994 activation Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- -1 after processing Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000004320 controlled atmosphere Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000001900 extreme ultraviolet lithography Methods 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008521 reorganization Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000007725 thermal activation Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/9501—Semiconductor wafers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
-
- 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
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- 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
- H01L27/14601—Structural or functional details thereof
- H01L27/1462—Coatings
-
- 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
- H01L27/14601—Structural or functional details thereof
- H01L27/1464—Back illuminated imager structures
-
- 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
- H01L27/14683—Processes or apparatus peculiar to the manufacture or treatment of these devices or parts thereof
- H01L27/14685—Process for coatings or optical elements
-
- 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
- H01L27/148—Charge coupled imagers
- H01L27/14806—Structural or functional details thereof
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N2021/95676—Masks, reticles, shadow masks
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- 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
- H01L27/14683—Processes or apparatus peculiar to the manufacture or treatment of these devices or parts thereof
- H01L27/14689—MOS based technologies
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Light Receiving Elements (AREA)
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
Description
本出願は、Chernらによる2012年4月10日に出願された「マスク及びウエハ検査におけるEUV及びVUV用純粋ボロン被覆を有する裏面照射CCD」(“BACK−ILLUMINATED CCD WITH PURE−BORON COATING FOR EUV AND VUV APPLICATION IN MASK AND WAFER INSPECTION”)と題する米国仮特許出願第61/622,295号、及び、Chuangらによる2012年6月12日に出願された「電子衝撃型CCD検出器を用いた電子衝撃型CCD及び検査システム」(“ELECTRON−BOMBARDED CCD AND INSPECTION SYSTEMS USING ELECTRON−BOMBARDED CCD DETECTORS”)と題する米国仮特許出願第61/658,758号に基づく優先権を主張し、これらは双方とも、参照により本書に組み込まれる。
(1)画像センサを製造する方法であって、前記方法は、
基板上にエピタキシャル層を形成するステップと、
前記基板上にゲート層を形成するステップと、
前記ゲート層上に回路素子層を形成するステップと、
薄化された基板を作り出すように前記基板を薄化するステップであって、前記薄化された基板は、前記エピタキシャル層の少なくとも部分を露出する、該ステップと、
前記エピタキシャル層の前記露出部分上に純粋ボロン層を形成するステップと、
を有する方法。
(2)前記純粋ボロン層上に反射防止被覆を形成するステップを更に有する、上記(1)に記載の方法。
(3)前記純粋ボロン層上に導電層を形成するステップを更に有する、上記(1)に記載の方法。
(4)前記回路素子層上に保護層を形成するステップを更に有する、上記(1)に記載の方法。
(5)前記基板を薄化する前記ステップの後で、かつ、前記純粋ボロン層を形成する前記ステップの前に、前記エピタキシャル層の少なくとも1つの前記露出部分をドーピングするステップを更に有する、上記(1)に記載の方法。
(6)画像センサを製造する方法であって、前記方法は、
基板上にエピタキシャル層を形成するステップと、
前記エピタキシャル層上に回路素子を形成するステップと、
前記回路素子にハンドリングウエハを取り付けるステップと、
前記エピタキシャル層を露出させるように前記基板を薄化するステップと、
前記エピタキシャル層の前記露出した表面上に純粋ボロン層を形成するステップと、
を有する方法。
(7)前記純粋ボロン層上に反射防止被覆を形成するステップを更に有する、上記(6)に記載の方法。
(8)前記純粋ボロン層上に導電層を形成するステップを更に有する、上記(6)に記載の方法。
Claims (9)
- 空にされたハウジングと、
光電陰極と、
画像センサと、を備え、
前記光電陰極及び前記画像センサは、前記空にされたハウジング内に配置され、
前記画像センサは、半導体膜を備え、前記半導体膜は、互いに反対側の第1の表面と第2の表面を有するエピタキシャル層を備え、前記第1の表面上に形成された回路素子と、前記第2の表面上に形成された厚さ2nm〜20nmの純粋ボロン層とを有し、ボロンの一部は前記第2の表面を通して前記半導体膜内に拡散される、電子衝撃型画像センサ。 - 前記光電陰極は、半導体を有する、請求項1に記載の電子衝撃型画像センサ。
- 前記光電陰極は、GaNを有する、請求項2に記載の電子衝撃型画像センサ。
- 前記光電陰極は、前記画像センサに対して100Vと1000Vとの間の負電圧に保持される、請求項3に記載の電子衝撃型画像センサ。
- 前記画像センサは、前記ボロン層の表面上に堆積された耐熱金属被覆を更に有する、請求項3に記載の電子衝撃型画像センサ。
- サンプルを検査するシステムであって、前記システムは、
前記サンプルを照光する光源と、
前記サンプルの光の出力、反射又は伝送を、前記光の出力が第1のチャネルに対応するときに前記第1のチャネルの画像モードリレーに導き、前記光の出力が第2のチャネルに対応するときに前記第2のチャネルの画像モードリレーに導くように構成される、画像リレー光学部品と、
前記第1のチャネルの画像モードリレー及び前記第2のチャネルの画像モードリレーのリレー出力を受けるように構成されるセンサであって、前記センサは、エピタキシャルシリコン膜を含み、前記エピタキシャルシリコン膜は、前記エピタキシャルシリコン膜の第1の表面上に形成された回路素子と、前記エピタキシャルシリコン膜の第2の表面上に堆積された厚さ2nm〜20nmの純粋ボロン層とを含み、前記第2の表面は前記第1の表面の反対側であるセンサとを有する、システム。 - 前記センサは、画像領域の両側に配置された二組の読出し回路を更に有する、請求項6に記載のシステム。
- 光源と、
対物レンズを含む光学部品であって、前記光学部品は、前記光源からの放射をサンプル上に導いてフォーカスするように構成される、該光学部品と、
前記サンプルからの反射又は散乱された光を受けるように構成される検出器と、を有し、
前記光学部品は、前記反射又は散乱された光を前記検出器上に集光し、導き、及び、フォーカスするように更に構成され、前記検出器は、1つ以上の画像センサを含み、少なくとも1つの画像センサは、半導体膜を含み、前記半導体膜は、互いに反対側の第1の表面と第2の表面を有するエピタキシャル層を備え、前記第1の表面上に形成された回路素子と、前記第2の表面上に堆積された厚さ2nm〜20nmの純粋ボロン層とを含み、ボロンの一部は前記第2の表面を通って前記エピタキシャル層内に拡散される、検査システム。 - 前記画像センサは、電子衝撃型画像センサを更に含む、請求項8に記載の検査システム。
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