KR20080048734A - 박막 트랜지스터의 제조방법 - Google Patents
박막 트랜지스터의 제조방법 Download PDFInfo
- Publication number
- KR20080048734A KR20080048734A KR1020060119085A KR20060119085A KR20080048734A KR 20080048734 A KR20080048734 A KR 20080048734A KR 1020060119085 A KR1020060119085 A KR 1020060119085A KR 20060119085 A KR20060119085 A KR 20060119085A KR 20080048734 A KR20080048734 A KR 20080048734A
- Authority
- KR
- South Korea
- Prior art keywords
- region
- gate insulating
- insulating layer
- source
- gate electrode
- Prior art date
Links
- 239000010409 thin film Substances 0.000 title claims abstract description 14
- 239000010410 layer Substances 0.000 claims abstract description 62
- 239000011229 interlayer Substances 0.000 claims abstract description 18
- 239000004065 semiconductor Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 239000010408 film Substances 0.000 claims description 21
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- 238000005530 etching Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910004205 SiNX Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000005224 laser annealing Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42384—Gate electrodes for field effect devices for field-effect transistors with insulated gate for thin film field effect transistors, e.g. characterised by the thickness or the shape of the insulator or the dimensions, the shape or the lay-out of the conductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/4908—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET for thin film semiconductor, e.g. gate of TFT
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66742—Thin film unipolar transistors
- H01L29/6675—Amorphous silicon or polysilicon transistors
- H01L29/66757—Lateral single gate single channel transistors with non-inverted structure, i.e. the channel layer is formed before the gate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78606—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device
- H01L29/78618—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device characterised by the drain or the source properties, e.g. the doping structure, the composition, the sectional shape or the contact structure
- H01L29/78621—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device characterised by the drain or the source properties, e.g. the doping structure, the composition, the sectional shape or the contact structure with LDD structure or an extension or an offset region or characterised by the doping profile
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (5)
- 기판 상에 형성되면서 소스/드레인 영역과 채널영역 사이에 엘디디 영역을 갖는 반도체층;상기 반도체층 상에 형성되며, 테이퍼진 단차영역을 구비하는 게이트 절연막;상기 게이트 절연막 상에 상기 반도체층과 중첩하여 형성되는 게이트 전극;상기 게이트 전극 상에 형성되는 층간 절연막; 및상기 게이트 절연막 및 층간 절연막을 관통하는 콘택 홀을 통하여 상기 소스/드레인 영역과 접촉하는 소스/드레인 전극을 포함하는 것을 특징으로 하는 박막 트랜지스터.
- 제1항에 있어서,상기 게이트 절연막은 게이트 전극과 중첩하지 않는 영역의 두께가 게이트 전극과 중첩하는 영역의 두께보다 얇은 것을 특징으로 하는 박막 트랜지스터.
- 제1항에 있어서,상기 테이퍼는 엘디디 영역과 중첩되는 것을 특징으로 하는 박막 트랜지스 터.
- 제1항에 있어서,상기 테이퍼의 넓이는 상기 엘디디 영역의 넓이보다 작거나 동일한 것을 특징으로 하는 박막 트랜지스터.
- 제1항에 있어서,상기 테이퍼는 1.2도 내지 90도의 각도로 형성되는 것을 특징으로 하는 박막 트랜지스터.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060119085A KR100867921B1 (ko) | 2006-11-29 | 2006-11-29 | 박막 트랜지스터의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060119085A KR100867921B1 (ko) | 2006-11-29 | 2006-11-29 | 박막 트랜지스터의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080048734A true KR20080048734A (ko) | 2008-06-03 |
KR100867921B1 KR100867921B1 (ko) | 2008-11-10 |
Family
ID=39804791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060119085A KR100867921B1 (ko) | 2006-11-29 | 2006-11-29 | 박막 트랜지스터의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100867921B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9484362B2 (en) | 2013-10-08 | 2016-11-01 | Samsung Display Co., Ltd. | Display substrate and method of manufacturing a display substrate |
CN107403826A (zh) * | 2016-05-20 | 2017-11-28 | 三星显示有限公司 | 薄膜晶体管及其制造方法和包括薄膜晶体管的显示设备 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW515104B (en) * | 2000-11-06 | 2002-12-21 | Semiconductor Energy Lab | Electro-optical device and method of manufacturing the same |
JP4954366B2 (ja) * | 2000-11-28 | 2012-06-13 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
JP4037117B2 (ja) * | 2001-02-06 | 2008-01-23 | 株式会社日立製作所 | 表示装置 |
KR100635067B1 (ko) * | 2004-06-09 | 2006-10-16 | 삼성에스디아이 주식회사 | 엘디디 구조를 갖는 박막트랜지스터 및 그의 제조방법 |
-
2006
- 2006-11-29 KR KR1020060119085A patent/KR100867921B1/ko active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9484362B2 (en) | 2013-10-08 | 2016-11-01 | Samsung Display Co., Ltd. | Display substrate and method of manufacturing a display substrate |
CN107403826A (zh) * | 2016-05-20 | 2017-11-28 | 三星显示有限公司 | 薄膜晶体管及其制造方法和包括薄膜晶体管的显示设备 |
Also Published As
Publication number | Publication date |
---|---|
KR100867921B1 (ko) | 2008-11-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100731738B1 (ko) | 박막트랜지스터, 평판표시장치 및 그 제조방법 | |
US7476896B2 (en) | Thin film transistor and method of fabricating the same | |
WO2017020358A1 (zh) | 低温多晶硅薄膜晶体管的制作方法及低温多晶硅薄膜晶体管 | |
KR20060000848A (ko) | 박막트랜지스터 및 그 제조방법 | |
CN105304500B (zh) | N型tft的制作方法 | |
CN107316874B (zh) | 阵列基板及其制作方法、显示装置 | |
JP2006024887A (ja) | 半導体装置及びその製造方法 | |
KR100811997B1 (ko) | 박막트랜지스터 및 그 제조방법과 이를 포함한평판표시장치 | |
JP2007220918A (ja) | レーザアニール方法、薄膜半導体装置及びその製造方法、並びに表示装置及びその製造方法 | |
KR100776362B1 (ko) | 비정질 실리콘 박막의 결정화 방법 및 이를 이용한 다결정 실리콘 박막 트랜지스터의 제조방법 | |
KR100946809B1 (ko) | 박막트랜지스터 및 그의 제조방법 | |
CN106952963B (zh) | 一种薄膜晶体管及制作方法、阵列基板、显示装置 | |
KR100703467B1 (ko) | 박막트랜지스터 | |
KR100867921B1 (ko) | 박막 트랜지스터의 제조방법 | |
KR20070024142A (ko) | 박막트랜지스터 및 그 제조 방법 | |
US20190221672A1 (en) | Low temperature polysilicon thin film transistor and preparation method thereof | |
KR100946560B1 (ko) | 박막트랜지스터의 제조방법 | |
US7026201B2 (en) | Method for forming polycrystalline silicon thin film transistor | |
KR100635067B1 (ko) | 엘디디 구조를 갖는 박막트랜지스터 및 그의 제조방법 | |
US20050037550A1 (en) | Thin film transistor using polysilicon and a method for manufacturing the same | |
CN110581177A (zh) | 阵列基板及其制备方法 | |
KR101475411B1 (ko) | 폴리 실리콘 박막 트랜지스터 및 그 제조방법 | |
KR101009432B1 (ko) | 박막트랜지스터 및 그의 제조방법 | |
KR100751315B1 (ko) | 박막 트랜지스터, 박막 트랜지스터 제조 방법 및 이를구비한 평판 디스플레이 소자 | |
KR100615202B1 (ko) | 박막 트랜지스터, 박막 트랜지스터를 제조하는 방법 및이를 구비한 평판 디스플레이 소자 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
AMND | Amendment | ||
E601 | Decision to refuse application | ||
AMND | Amendment | ||
J201 | Request for trial against refusal decision | ||
E902 | Notification of reason for refusal | ||
B701 | Decision to grant | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20121031 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20131031 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20141030 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20151030 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20171101 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20181101 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20191028 Year of fee payment: 12 |