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
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- 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
- 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
- H01L27/14665—Imagers using a photoconductor layer
- H01L27/14676—X-ray, gamma-ray or corpuscular radiation imagers
-
- 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
- H01L27/14609—Pixel-elements with integrated switching, control, storage or amplification elements
- H01L27/14612—Pixel-elements with integrated switching, control, storage or amplification elements involving a transistor
-
- 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
- H01L27/14636—Interconnect 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- 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
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KR10-2001-0085064A KR100488947B1 (ko) | 2001-12-26 | 2001-12-26 | 엑스레이 영상감지소자의 제조방법 |
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KR10-2001-0085064A KR100488947B1 (ko) | 2001-12-26 | 2001-12-26 | 엑스레이 영상감지소자의 제조방법 |
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KR20030055501A KR20030055501A (ko) | 2003-07-04 |
KR100488947B1 true KR100488947B1 (ko) | 2005-05-11 |
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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 |
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- 2001-12-26 KR KR10-2001-0085064A patent/KR100488947B1/ko active IP Right Grant
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 |
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