KR102664446B1 - 이미지 센싱 장치 - Google Patents
이미지 센싱 장치 Download PDFInfo
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- KR102664446B1 KR102664446B1 KR1020190106001A KR20190106001A KR102664446B1 KR 102664446 B1 KR102664446 B1 KR 102664446B1 KR 1020190106001 A KR1020190106001 A KR 1020190106001A KR 20190106001 A KR20190106001 A KR 20190106001A KR 102664446 B1 KR102664446 B1 KR 102664446B1
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- 239000000758 substrate Substances 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- -1 silicon oxide nitride Chemical class 0.000 claims description 8
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 7
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910020776 SixNy Inorganic materials 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 4
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 4
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 claims description 4
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 4
- 229910001936 tantalum oxide Inorganic materials 0.000 claims description 4
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 4
- 229910001887 tin oxide Inorganic materials 0.000 claims description 4
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 4
- 229910020781 SixOy Inorganic materials 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 239000010419 fine particle Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims 2
- 229910021193 La 2 O 3 Inorganic materials 0.000 claims 2
- 239000012528 membrane Substances 0.000 claims 1
- 239000009719 polyimide resin Substances 0.000 claims 1
- 239000010408 film Substances 0.000 description 82
- 230000008569 process Effects 0.000 description 18
- 230000002596 correlated effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910004160 TaO2 Inorganic materials 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- NQKXFODBPINZFK-UHFFFAOYSA-N dioxotantalum Chemical compound O=[Ta]=O NQKXFODBPINZFK-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- H—ELECTRICITY
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- 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
- H10F39/806—Optical elements or arrangements associated with the image sensors
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- 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
- H10F39/804—Containers or encapsulations
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- 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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- H10F39/10—Integrated devices
- H10F39/12—Image sensors
- H10F39/18—Complementary metal-oxide-semiconductor [CMOS] image sensors; Photodiode array image sensors
- H10F39/182—Colour image sensors
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- H10F39/80—Constructional details of image sensors
- H10F39/802—Geometry or disposition of elements in pixels, e.g. address-lines or gate electrodes
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- H10F39/80—Constructional details of image sensors
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- H10F39/80—Constructional details of image sensors
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- H10F39/80—Constructional details of image sensors
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- H10F39/80—Constructional details of image sensors
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- H10F39/12—Image sensors
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Abstract
Description
도 2는 도 1의 픽셀 어레이에서 A-A' 의 절취선을 따라 절단한 단면의 일 실시예를 간략하게 나타낸 단면도.
도 3은 도 2에서의 그리드 구조물, 컬러 필터층 및 렌즈층의 구조를 보다 상세하게 나타낸 도면.
도 4는 본 발명의 일 실시에에 따른 렌즈층의 물질 구조를 보여주는 도면.
도 5a 내지 도 5f는 도 3의 구조를 형성하기 위한 과정을 설명하기 위한 공정 단면도들.
도 6은 본 발명의 다른 실시예에 따른 그리드 구조물, 컬러 필터층 및 렌즈층의 구조를 보다 상세하게 나타낸 도면.
110: 기판층
120: 버퍼층
130: 컬러 필터층
140: 그리드 구조물
150: 렌즈층
200: 상관 이중 샘플러
300: 아날로그-디지털 컨버터
400: 버퍼
500: 로우 드라이버
600: 타이밍 제너레이터
700: 제어 레지스터
800: 램프 신호 제너레이터
Claims (14)
- 광전변환소자를 포함하는 기판층;
상기 기판층 상부에 위치하며 에어(air)층을 포함하는 그리드 구조물들;
상기 그리드 구조물들 사이에 매립되며 상기 에어층보다 큰 굴절률을 갖는 컬러 필터들; 및
상기 그리드 구조물들 및 상기 컬러 필터들 상부에 위치하며 상기 컬러 필터들 보다 큰 굴절률을 갖는 렌즈층을 포함하며,
상기 그리드 구조물들은
상기 에어층을 캡핑하며 상기 컬러 필터들의 하부까지 연장되는 캡핑막을 포함하는 이미지 센싱 장치. - 청구항 1에 있어서, 상기 그리드 구조물들은
상부면이 상기 컬러 필터층의 상부면 보다 높게 돌출되는 것을 특징으로 하는 이미지 센싱 장치. - 청구항 1에 있어서, 상기 렌즈층은
하부 영역이 상기 에어층 사이에 매립되는 것을 특징으로 하는 이미지 센싱 장치. - 청구항 1에 있어서, 상기 렌즈층은
폴리머 내에 고굴절율 물질의 미립자들이 분산된 폴리이미드계 수지를 포함하는 것을 특징으로 하는 이미지 센싱 장치. - 청구항 4에 있어서, 상기 고굴절율 물질은
이산화티타늄(TiO2), 산화탄탈(TaO2, Ta2O5), 산화지르코늄(ZrO2), 산화아연(ZnO), 산화주석(SnO), 산화알루미늄(Al2O3), 산화란탄(La2O3), 산화세륨(CeO2), 산화이트륨(Y2O3) 중 적어도 하나를 포함하는 것을 특징으로 하는 이미지 센싱 장치. - 청구항 1에 있어서, 상기 렌즈층은
고굴절율 물질의 입자를 포함하는 필러(filler) 조성물을 수지와 혼합한 물질층을 포함하는 것을 특징으로 하는 이미지 센싱 장치. - 청구항 6에 있어서, 상기 고굴절율 물질은
이산화티타늄(TiO2), 산화탄탈(TaO2, Ta2O5), 산화지르코늄(ZrO2), 산화아연(ZnO), 산화주석(SnO), 산화알루미늄(Al2O3), 산화란탄(La2O3), 산화세륨(CeO2), 산화이트륨(Y2O3) 중 적어도 하나를 포함하는 것을 특징으로 하는 이미지 센싱 장치. - 청구항 1에 있어서, 상기 컬러 필터들의 굴절률은
1 보다 크고 1.6 보다 작거나 같은 것을 특징으로 하는 이미지 센싱 장치. - 청구항 1에 있어서, 상기 그리드 구조물들은
상기 캡핑막에 의해 캡핑된 공간 내에서 상기 에어층 하부에 위치하는 메탈층; 및
상기 캡핑막에 의해 캡핑된 공간 내에서 상기 에어층 상부에 위치하는 지지막을 더 포함하는 것을 특징으로 하는 이미지 센싱 장치. - 청구항 9에 있어서, 상기 지지막은
실리콘 산화 질화막(SixOyNz, 여기서 x, y, z는 자연수), 실리콘 산화막(SixOy, 여기에서 x, y는 자연수), 실리콘 질화막(SixNy, 여기에서 x, y는 자연수) 중 적어도 하나를 포함하는 것을 특징으로 하는 이미지 센싱 장치. - 청구항 9에 있어서, 상기 캡핑막은
상기 메탈층, 상기 에어층 및 상기 지지막을 캡핑하는 제 1 캡핑막; 및
상기 제 1 캡핑막 상에 형성된 제 2 캡핑막을 포함하는 것을 특징으로 하는 이미지 센싱 장치. - 청구항 11에 있어서, 상기 제 1 캡핑막은
저온산화(ULTO: ULTRA LOW TEMPERATURE OXIDE)막을 포함하는 것을 특징으로 하는 이미지 센싱 장치. - 삭제
- 청구항 1에 있어서, 상기 컬러 필터들은
색상별로 서로 다른 높이로 형성되는 것을 특징으로 하는 이미지 센싱 장치.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020190106001A KR102664446B1 (ko) | 2019-08-28 | 2019-08-28 | 이미지 센싱 장치 |
US16/784,019 US11557622B2 (en) | 2019-08-28 | 2020-02-06 | Image sensing device |
CN202010190942.6A CN112447780B (zh) | 2019-08-28 | 2020-03-18 | 图像感测装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020190106001A KR102664446B1 (ko) | 2019-08-28 | 2019-08-28 | 이미지 센싱 장치 |
Publications (2)
Publication Number | Publication Date |
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