KR100449795B1 - 기판 장치의 제조 방법 - Google Patents
기판 장치의 제조 방법 Download PDFInfo
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- KR100449795B1 KR100449795B1 KR10-2002-0015563A KR20020015563A KR100449795B1 KR 100449795 B1 KR100449795 B1 KR 100449795B1 KR 20020015563 A KR20020015563 A KR 20020015563A KR 100449795 B1 KR100449795 B1 KR 100449795B1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/01—Manufacture or treatment
- H10D86/021—Manufacture or treatment of multiple TFTs
- H10D86/0214—Manufacture or treatment of multiple TFTs using temporary substrates
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136227—Through-hole connection of the pixel electrode to the active element through an insulation layer
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/031—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT]
- H10D30/0321—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] comprising silicon, e.g. amorphous silicon or polysilicon
- H10D30/0323—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] comprising silicon, e.g. amorphous silicon or polysilicon comprising monocrystalline silicon
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6704—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device
- H10D30/6723—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device having light shields
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
- H10D30/673—Thin-film transistors [TFT] characterised by the electrodes characterised by the shapes, relative sizes or dispositions of the gate electrodes
- H10D30/6733—Multi-gate TFTs
- H10D30/6734—Multi-gate TFTs having gate electrodes arranged on both top and bottom sides of the channel, e.g. dual-gate TFTs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/60—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs wherein the TFTs are in active matrices
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- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims (27)
- 기판 장치를 제조하는 기판 장치의 제조 방법에 있어서,상기 제조 방법은, 기판상에, 제 1 도전층과, 상기 제 1 도전층의 상방에 적층 형성된 제 1 절연막과, 상기 제 1 절연막상에 접합된 제 2 절연막과, 상기 제 2 절연막의 상방에 적층된 제 2 도전층을 구비하고 있고, 상기 제 1 도전층과 상기 제 2 도전층을 접속하는 콘택트 홀이 상기 제 1 절연막과 상기 제 2 절연막 사이의 접합 계면을 관통하여 상기 제 1 절연막 및 상기 제 2 절연막에 개공(開孔)되어 있는 기판 장치를 제조하는 것으로서,상기 제 1 절연막과 상기 제 2 절연막 사이를 접합시키는 접합 공정과,상기 접합 공정 후에 상기 콘택트 홀을 에칭에 의해 상기 접합 계면을 관통하여 개공하는 에칭 공정과,상기 콘택트 홀을 거쳐 상기 제 1 도전층과 상기 제 2 도전층을 전기적으로 접속하는 접속 공정을 포함하며,상기 에칭 공정은 상기 접합 계면보다도 얕은 심도까지는 에칭액을 이용하여 습식 에칭을 실시하고, 적어도 상기 접합 계면에 에칭액이 도달하기 이전부터 건식 에칭에 의해 실행하는 것을 특징으로 하는기판 장치의 제조 방법.
- 제 1 항에 있어서,상기 기판 장치는 상기 제 2 절연막상에 형성된 반도체층과, 상기 반도체층의 상방에 형성된 층간 절연막을 더 구비하고 있고, 상기 기판상에 있어서의 상기 층간 절연막의 상방에 상기 제 2 도전층이 형성되어 있으며,상기 접합 공정 전에, 상기 기판상에 상기 제 1 도전층을 형성하는 공정과, 상기 제 1 도전층상에 상기 제 1 절연막을 형성하는 공정과, 상기 기판과는 별도로 준비된 반도체 기판의 표면 부근에 포함되는 상기 반도체층상에 상기 제 2 절연막을 형성하는 공정을 포함하고,상기 접합 공정 후에, 상기 제 1 절연막상에 상기 제 2 절연막 및 상기 반도체층을 남기도록, 상기 반도체층을 상기 반도체 기판으로부터 분리하는 공정을 포함하는 것을 특징으로 하는기판 장치의 제조 방법.
- 제 2 항에 있어서,상기 반도체층은 단결정 실리콘층으로 이루어지는 것을 특징으로 하는기판 장치의 제조 방법.
- 제 2 항에 있어서,상기 반도체층에 채널 영역, 소스 영역 및 드레인 영역을 만들어 넣어 박막 트랜지스터를 형성하는 공정과,상기 박막 트랜지스터상에 상기 층간 절연막을 형성하는 공정을 더 구비하고 있고,상기 에칭 공정에서는, 상기 콘택트 홀을 상기 층간 절연막, 상기 제 2 절연막 및 상기 제 1 절연막을 관통하도록 개공하는 것을 특징으로 하는기판 장치의 제조 방법.
- 제 4 항에 있어서,상기 제 1 도전층을 형성하는 공정에서는, 상기 기판상에 있어서의 상기 반도체층 중 적어도 상기 채널 영역에 대향하는 영역에 차광성의 도전막으로 상기 제 1 도전층을 형성하는 것을 특징으로 하는기판 장치의 제조 방법.
- 제 4 항에 있어서,상기 기판상에,상기 소스 영역에 접속된 소스 전극을, 실리콘막을 이온 주입(ion implantation)에 의해 저항을 감소(reducing a resistance)시킴으로써 형성하는 공정과,상기 드레인 영역에 접속된 드레인 전극을, 실리콘막을 이온 주입에 의해 저항을 감소시킴으로써 형성하는 공정을 더 구비하는 것을 특징으로 하는기판 장치의 제조 방법.
- 제 6 항에 있어서,상기 소스 전극 및 상기 드레인 전극은 상기 제 2 도전층과 동일 층으로 이루어지는 것을 특징으로 하는기판 장치의 제조 방법.
- 제 1 항에 있어서,상기 접합 공정 전에, 상기 제 1 절연막을 CMP(Chemical Mechanical Polishing) 처리하는 공정을 더 포함하는 것을 특징으로 하는기판 장치의 제조 방법.
- 제 1 항에 있어서,상기 접합 공정에서는, 상기 제 1 절연막과 제 2 절연막을 밀착시킨 상태에서 열처리하여 접합시키는 것을 특징으로 하는기판 장치의 제조 방법.
- 기판 장치를 제조하는 기판 장치의 제조 방법에 있어서,상기 제조 방법은, 기판상에, 제 1 도전층과, 상기 제 1 도전층의 상방에 적층 형성된 제 1 절연막과, 상기 제 1 절연막상에 접합된 제 2 절연막과, 상기 제 2 절연막의 상방에 적층된 제 2 도전층을 구비하고 있고, 상기 제 1 도전층과 상기 제 2 도전층을 접속하는 콘택트 홀이 상기 제 1 절연막과 상기 제 2 절연막 사이의 접합 계면을 관통하여 상기 제 1 절연막 및 상기 제 2 절연막에 개공(開孔)되어 있는 기판 장치를 제조하는 것으로서,상기 제 1 절연막과 상기 제 2 절연막 사이를 접합시키는 접합 공정과,상기 접합 공정 후에 상기 콘택트 홀을 에칭에 의해 상기 접합 계면을 관통하여 개공하는 에칭 공정과,상기 콘택트 홀을 거쳐 상기 제 1 도전층과 상기 제 2 도전층을 전기적으로 접속하는 접속 공정을 포함하며,상기 에칭 공정은 건식 에칭을 이용함으로써 접합 계면을 관통하여 개공하는 것을 특징으로 하는기판 장치의 제조 방법.
- 제 1 항에 있어서,상기 에칭 공정은 상기 접합 계면에 에칭제가 도달하기까지는 적어도 일시적으로 습식 에칭을 실행하고, 그 후에는 건식 에칭으로 실행하는 것을 특징으로 하는기판 장치의 제조 방법.
- 제 1 항에 있어서,상기 접속 공정에서는, 상기 콘택트 홀 내에 상기 제 2 도전층의 일부를 형성하는 것을 특징으로 하는기판 장치의 제조 방법.
- 제 1 항에 있어서,상기 접속 공정에서는, 상기 콘택트 홀 내에 도전성의 플러그를 형성하는 것을 특징으로 하는기판 장치의 제조 방법.
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JP2002014608A JP2002353424A (ja) | 2001-03-23 | 2002-01-23 | 基板装置の製造方法及び基板装置、電気光学装置の製造方法及び電気光学装置、並びに電子機器 |
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JP4666277B2 (ja) * | 2004-01-16 | 2011-04-06 | セイコーエプソン株式会社 | 電気光学装置の製造方法 |
US7736964B2 (en) * | 2004-11-22 | 2010-06-15 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device, and method for manufacturing the same |
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JP4942341B2 (ja) * | 2004-12-24 | 2012-05-30 | 三洋電機株式会社 | 表示装置 |
JP4111195B2 (ja) * | 2005-01-26 | 2008-07-02 | セイコーエプソン株式会社 | デバイスとその製造方法及び電気光学装置とその製造方法並びに電子機器 |
US7768014B2 (en) * | 2005-01-31 | 2010-08-03 | Semiconductor Energy Laboratory Co., Ltd. | Memory device and manufacturing method thereof |
US7387946B2 (en) * | 2005-06-07 | 2008-06-17 | Freescale Semiconductor, Inc. | Method of fabricating a substrate for a planar, double-gated, transistor process |
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JP5247008B2 (ja) * | 2006-06-07 | 2013-07-24 | キヤノン株式会社 | 透過型の表示装置 |
GB2459647A (en) * | 2008-04-28 | 2009-11-04 | Sharp Kk | Photosensitive structure with a light shading layer |
US20100072579A1 (en) * | 2008-09-23 | 2010-03-25 | Andreas Thies | Through Substrate Conductors |
JP5476878B2 (ja) * | 2009-09-14 | 2014-04-23 | カシオ計算機株式会社 | 発光パネルの製造方法 |
JP2012208294A (ja) * | 2011-03-29 | 2012-10-25 | Seiko Epson Corp | 電気光学装置の製造方法、電気光学装置、投射型表示装置および電子機器 |
KR102044314B1 (ko) * | 2013-05-09 | 2019-12-06 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 |
CN103681695B (zh) * | 2013-12-13 | 2016-09-28 | 深圳市华星光电技术有限公司 | 薄膜晶体管阵列基板、制造方法及液晶显示装置 |
US20150168773A1 (en) * | 2013-12-13 | 2015-06-18 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Thin film transistor array substrate, manufacturing method thereof, and liquid crystal display device |
KR102141557B1 (ko) * | 2013-12-26 | 2020-08-05 | 엘지디스플레이 주식회사 | 어레이 기판 |
US20150257278A1 (en) * | 2014-03-06 | 2015-09-10 | Tactotek Oy | Method for manufacturing electronic products, related arrangement and product |
JP2016213508A (ja) * | 2016-09-07 | 2016-12-15 | 株式会社ジャパンディスプレイ | 薄膜トランジスタ回路基板 |
KR102662278B1 (ko) * | 2016-11-30 | 2024-05-02 | 엘지디스플레이 주식회사 | 유기 발광 표시 장치 및 그 제조 방법 |
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