KR100488947B1 - 엑스레이 영상감지소자의 제조방법 - Google Patents
엑스레이 영상감지소자의 제조방법 Download PDFInfo
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- KR100488947B1 KR100488947B1 KR10-2001-0085064A KR20010085064A KR100488947B1 KR 100488947 B1 KR100488947 B1 KR 100488947B1 KR 20010085064 A KR20010085064 A KR 20010085064A KR 100488947 B1 KR100488947 B1 KR 100488947B1
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- South Korea
- Prior art keywords
- nitride film
- electrode
- forming
- tft
- sccm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 25
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000003860 storage Methods 0.000 claims abstract description 23
- 229910004205 SiNX Inorganic materials 0.000 claims abstract description 16
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000005530 etching Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 28
- 150000004767 nitrides Chemical class 0.000 claims description 27
- 230000008569 process Effects 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 17
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 15
- 238000000151 deposition Methods 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 230000008021 deposition Effects 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000002161 passivation Methods 0.000 claims description 3
- 229910017141 AlTa Inorganic materials 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 238000000059 patterning Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 2
- -1 AlNd Inorganic materials 0.000 claims 1
- 239000010408 film Substances 0.000 abstract description 48
- 239000010409 thin film Substances 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 21
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- MGRWKWACZDFZJT-UHFFFAOYSA-N molybdenum tungsten Chemical compound [Mo].[W] MGRWKWACZDFZJT-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- PBZHKWVYRQRZQC-UHFFFAOYSA-N [Si+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O Chemical compound [Si+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PBZHKWVYRQRZQC-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10F39/10—Integrated devices
- H10F39/12—Image sensors
- H10F39/191—Photoconductor image sensors
- H10F39/195—X-ray, gamma-ray or corpuscular radiation imagers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10F39/011—Manufacture or treatment of image sensors covered by group H10F39/12
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10F39/803—Pixels having integrated switching, control, storage or amplification elements
- H10F39/8037—Pixels having integrated switching, control, storage or amplification elements the integrated elements comprising a transistor
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10F39/811—Interconnections
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- Solid State Image Pick-Up Elements (AREA)
Abstract
Description
Claims (12)
- TFT부 및 충전부를 구비한 기판의 상기 TFT부 상에 알루미늄(Al) 계열의 금속으로 이루어진 게이트 전극을 형성하는 단계;상기 게이트 전극을 포함한 기판 상에 실리콘 질산화막(SiON)으로 이루어진 제1질화막을 형성하는 단계;상기 실리콘 질산화막(SiON)으로 이루어진 제1질화막 상에 500∼1000Å의 두께로 실리콘 질화막(SiNx)로 이루어진 제2질화막을 형성하는 단계;상기 제2질화막 상의 TFT 형성 영역에 비정질 실리콘으로 이루어진 채널층과 에치스토퍼를 차례로 형성하는 단계;상기 에치스토퍼 외측의 채널층 상에 n+ 비정질 실리콘으로 이루어진 오믹콘택층을 형성하는 단계;상기 TFT가 구성되도록 오믹콘택층 상에 소스/드레인 금속을 증착하고 액티브 식각하여 소스/드레인 전극을 형성하는 단계;상기 결과물 상에 100∼400Å의 두께로 ITO를 증착하는 단계;상기 ITO를 패터닝하여 충전부의 제2질화막 부분 상에 제1스토리지 전극을 형성하는 단계;상기 제1스토리지 전극 상에 공통전극을 형성하는 단계;상기 단계까지의 기판 결과물 상에 보호막을 형성하는 단계; 및상기 보호막 상에 TFT의 드레인 전극과 연결됨과 아울러 충전부에서 제2스토리지 전극의 기능을 겸하는 ITO로 이루어진 화소 전극을 형성하는 단계를 포함하는 것을 특징으로 하는 엑스레이 영상감시소자의 제조방법.
- 제 1 항에 있어서, 상기 게이트 전극은 Al, AlNd 및 AlTa로 구성된 그룹으로부터 선택되는 어느 하나로 이루어진 것을 특징으로 하는 엑스레이 영상감지소자의 제조방법.
- 삭제
- 삭제
- 삭제
- 삭제
- 제 1 항에 있어서, 상기 제2질화막 물질인 실리콘 질화막(SiNx)에서의 x의 범위는 0.1∼2인 것을 특징으로 하는 엑스레이 영상감시소자의 제조방법.
- 제 1 항에 있어서, 상기 제2질화막 물질인 실리콘 질화막(SiNx)은 다음과 같은 공정조건으로 형성하는 것을 특징으로 하는 엑스레이 영상감시소자의 제조방법.증착온도 : 300∼400℃, 증착시 전원 : 1500∼3000W간격 : 300∼1100 mils, 증착압력 : 1000∼1700 mTorr가스유량 : SiH4 - 200∼400 SCCMNH3 - 1000∼2000 SCCMN2 - 5000∼20000 SCCM
- 제 1 항에 있어서, 상기 액티브 식각은 비정질 실리콘(a-Si)과 제2질화막의 선택비를 높이기 위해 산소(O2)를 사용하지 않고 SF6/HCl/He 가스를 사용하여 수행하는 것을 특징으로 하는 엑스레이 영상감시소자의 제조방법.
- 제 1 항에 있어서, 상기 액티브 식각은 다음과 같은 공정조건으로 수행하는 것을 특징으로 하는 엑스레이 영상감시소자의 제조방법.공정온도: 40∼80℃, 공정전원: 500∼1000W, 공정압력: 200∼300mTorr가스유량: SF6 - 200∼300 SCCMHCl - 250∼350 SCCMHe - 200∼300 SCCM
- 삭제
- 삭제
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2001-0085064A KR100488947B1 (ko) | 2001-12-26 | 2001-12-26 | 엑스레이 영상감지소자의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2001-0085064A KR100488947B1 (ko) | 2001-12-26 | 2001-12-26 | 엑스레이 영상감지소자의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20030055501A KR20030055501A (ko) | 2003-07-04 |
| KR100488947B1 true KR100488947B1 (ko) | 2005-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-2001-0085064A Expired - Lifetime KR100488947B1 (ko) | 2001-12-26 | 2001-12-26 | 엑스레이 영상감지소자의 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100488947B1 (ko) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101594471B1 (ko) | 2009-02-10 | 2016-02-29 | 삼성디스플레이 주식회사 | 박막 트랜지스터 기판 및 그 제조 방법 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5079426A (en) * | 1989-09-06 | 1992-01-07 | The Regents Of The University Of Michigan | Multi-element-amorphous-silicon-detector-array for real-time imaging and dosimetry of megavoltage photons and diagnostic X rays |
| KR20000039802A (ko) * | 1998-12-16 | 2000-07-05 | 김영환 | 박막 트랜지스터 액정표시소자의 하부기판 제조방법 |
| KR20010084614A (ko) * | 2000-02-28 | 2001-09-06 | 구본준, 론 위라하디락사 | 박막트랜지스터를 포함하는 소자 제조방법 |
-
2001
- 2001-12-26 KR KR10-2001-0085064A patent/KR100488947B1/ko not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5079426A (en) * | 1989-09-06 | 1992-01-07 | The Regents Of The University Of Michigan | Multi-element-amorphous-silicon-detector-array for real-time imaging and dosimetry of megavoltage photons and diagnostic X rays |
| KR20000039802A (ko) * | 1998-12-16 | 2000-07-05 | 김영환 | 박막 트랜지스터 액정표시소자의 하부기판 제조방법 |
| KR20010084614A (ko) * | 2000-02-28 | 2001-09-06 | 구본준, 론 위라하디락사 | 박막트랜지스터를 포함하는 소자 제조방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20030055501A (ko) | 2003-07-04 |
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