CN105551967B - N型薄膜晶体管的制作方法 - Google Patents

N型薄膜晶体管的制作方法 Download PDF

Info

Publication number
CN105551967B
CN105551967B CN201610085496.6A CN201610085496A CN105551967B CN 105551967 B CN105551967 B CN 105551967B CN 201610085496 A CN201610085496 A CN 201610085496A CN 105551967 B CN105551967 B CN 105551967B
Authority
CN
China
Prior art keywords
layer
low
polycrystalline silicon
type tft
temperature polycrystalline
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.)
Active
Application number
CN201610085496.6A
Other languages
English (en)
Other versions
CN105551967A (zh
Inventor
虞晓江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan China Star Optoelectronics Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Technology Co Ltd
Priority to CN201610085496.6A priority Critical patent/CN105551967B/zh
Publication of CN105551967A publication Critical patent/CN105551967A/zh
Priority to US15/119,383 priority patent/US20180069099A1/en
Priority to PCT/CN2016/083566 priority patent/WO2017136984A1/zh
Application granted granted Critical
Publication of CN105551967B publication Critical patent/CN105551967B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor 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
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/66007Multistep manufacturing processes
    • H01L29/66075Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
    • H01L29/66227Multistep 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
    • H01L29/66409Unipolar field-effect transistors
    • H01L29/66477Unipolar field-effect transistors with an insulated gate, i.e. MISFET
    • H01L29/66742Thin film unipolar transistors
    • H01L29/6675Amorphous silicon or polysilicon transistors
    • H01L29/66757Lateral single gate single channel transistors with non-inverted structure, i.e. the channel layer is formed before the gate
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor 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
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/66007Multistep manufacturing processes
    • H01L29/66075Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
    • H01L29/66227Multistep 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
    • H01L29/66409Unipolar field-effect transistors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture 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
    • H01L21/18Manufacture 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
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/302Treatment 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
    • H01L21/306Chemical or electrical treatment, e.g. electrolytic etching
    • H01L21/30604Chemical etching
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor 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
    • H01L29/40Electrodes ; Multistep manufacturing processes therefor
    • H01L29/43Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
    • H01L29/49Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
    • H01L29/4908Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET for thin film semiconductor, e.g. gate of TFT
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor 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
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/68Types 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
    • H01L29/76Unipolar devices, e.g. field effect transistors
    • H01L29/772Field effect transistors
    • H01L29/78Field effect transistors with field effect produced by an insulated gate
    • H01L29/786Thin film transistors, i.e. transistors with a channel being at least partly a thin film
    • H01L29/78651Silicon transistors
    • H01L29/7866Non-monocrystalline silicon transistors
    • H01L29/78672Polycrystalline or microcrystalline silicon transistor
    • H01L29/78675Polycrystalline or microcrystalline silicon transistor with normal-type structure, e.g. with top gate
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor 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
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/68Types 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
    • H01L29/76Unipolar devices, e.g. field effect transistors
    • H01L29/772Field effect transistors
    • H01L29/78Field effect transistors with field effect produced by an insulated gate
    • H01L29/786Thin film transistors, i.e. transistors with a channel being at least partly a thin film
    • H01L29/78696Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the structure of the channel, e.g. multichannel, transverse or longitudinal shape, length or width, doping structure, or the overlap or alignment between the channel and the gate, the source or the drain, or the contacting structure of the channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Thin Film Transistor (AREA)

Abstract

本发明提供一种N型薄膜晶体管的制作方法,在制作过程中采用化学溶液对N型薄膜晶体管的沟道区进行蚀刻,提高所述N型薄膜晶体管的沟道区内的低温多晶硅的表面粗糙度,从而提高所述N型薄膜晶体管的沟道区内的低温多晶硅的表面缺陷浓度,使制得的N型薄膜晶体管的阈值电压向正方向移动,保证制得的N型薄膜晶体管在低电压下能及时关闭,生产效率高,生产成本低。

Description

N型薄膜晶体管的制作方法
技术领域
本发明涉及显示技术领域,尤其涉及一种N型薄膜晶体管的制作方法。
背景技术
平面显示器件具有机身薄、省电、无辐射等众多优点,得到了广泛的应用。现有的平面显示器件主要包括液晶显示器件(Liquid Crystal Display,LCD)及有机发光二极管显示器件(Organic Light Emitting Display,OLED)。
在平面显示器件中,薄膜晶体管(Thin Film Transistor,TFT)一般是用作开关元件来控制像素的作业,或是用作驱动元件来驱动像素。薄膜晶体管依其硅薄膜性质通常可分成非晶硅(a-Si)与多晶硅(poly-Si)两种。
由于非晶硅本身自有的缺陷问题,如缺陷太多导致的开态电流低、迁移率低、稳定性差,使它在应用中受到限制,为了弥补非晶硅本身的缺陷,扩大其在相关领域的应用,低温多晶硅(Low Temperature Poly-Silicon,LTPS)技术应运而生。
低温多晶硅薄膜由于其原子排列规则,载流子迁移率高(10~300cm2/Vs),应用于薄膜晶体管等电子元器件时,可使薄膜晶体管具有更高的驱动电流,因此在薄膜晶体管的制作工艺中广泛采用LTPS薄膜作为薄膜晶体管的核心结构之一的有源层的材料。
采用LTPS薄膜晶体管的平面显示器件具有高分辨率、反应速度快、高亮度、高开口率等优点,加上由于LTPS薄膜晶体管的硅结晶排列较非晶硅有次序,使得电子移动率相对高100倍以上,可以将外围驱动电路同时制作在玻璃基板上,达到系统整合的目标,节省空间及驱动IC的成本;同时,由于驱动IC线路直接制作于面板上,可以减少组件的对外接点,增加可靠度、维护更简单、缩短组装制程时间,进而减少应用系统设计时程及扩大设计自由度。通常平面显示器件上使用较多的为N型薄膜晶体管(NTFT),为了使得N型薄膜晶体管在低电压下能及时关闭,需要对N型薄膜晶体管的阈值电压进行调整(从1.0V移动至1.5V左右),现有技术中,通常采用离子植入的方法来调整N型薄膜晶体管的阈值电压,即对N型薄膜晶体管沟道区的多晶硅(Poly-si)进行低剂量硼离子植入来调整N型薄膜晶体管的阈值电压。
具体地,请参阅图1-图3,现有的N型薄膜晶体管的制作过程如下:首先,请参阅图1-2,在基板1上自下而上依次制备缓冲层2和低温多晶硅层31;在所述低温多晶硅层31上涂布光阻层5;然后通过光罩对光阻层5进行曝光显影,在所述低温多晶硅层31上定义出沟道区32;随后,对沟道区32进行低剂量的硼(B)离子植入,接着,去除所述低温多晶硅层31上的光阻层5;接下来,请参阅图3,对所述低温多晶硅层31进行蚀刻和离子掺杂,形成有源层3;最后,在所述有源层3上自下而上依次制备栅极绝缘层6、栅极7、层间绝缘层8、以及源/漏极9。上述N型薄膜晶体管的制作过程中通过在沟道区32植入硼离子来调节沟道区32内的多晶硅的空穴载流子浓度,使N型薄膜晶体管的阈值电压向正方向移动,然而该方法要用昂贵的离子植入设备在一定真空下进行,生产效率较低,生产成本较高。
发明内容
本发明的目的在于提供一种N型薄膜晶体管的制作方法,该方法能够调节N型薄膜晶体管的阈值电压,保证制得的N型薄膜晶体管在低电压下能及时关闭,且制作简单,生产效率高,生产成本低。
为实现上述目的,本发明提供了一种N型薄膜晶体管的制作方法,包括如下步骤:
步骤1、提供一衬底基板,在所述衬底基板上自下而上依次制备缓冲层、低温多晶硅层与氧化硅层所述低温多晶硅层的表层在空气中被氧化形成氧化硅层;
步骤2、在所述低温多晶硅层上涂布光阻层,并采用光罩对其进行曝光、显影后,在所述低温多晶硅层上定义出沟道区;
步骤3、采用化学溶液对所述沟道区的低温多晶硅层进行蚀刻,去除所述沟道区上方的氧化硅层,并对沟道区内的低温多晶硅进行蚀刻,提高所述沟道区内的低温多晶硅的表面粗糙度;
步骤4、对所述低温多晶硅层进行图案化处理和N型离子掺杂,形成有源层;
步骤5、在所述有源层、及缓冲层上自下而上依次制备栅极绝缘层、栅极、及层间绝缘层,采用一道光刻制程对所述栅极绝缘层、层间绝缘层、及氧化硅层进行图形化处理,得到对应于所述有源层两端的两过孔;
步骤6、在所述层间绝缘层上形成源/漏极,所述源/漏极通过两过孔与所述有源层的两端相接触。
可选的,所述步骤3中采用四甲基氢氧化铵水溶液对所述沟道区的低温多晶硅层进行蚀刻。
可选的,所述步骤3中先采用双氧水对所述沟道区的低温多晶硅层进行氧化处理,之后再采用氟化铵水溶液对所述沟道区的的低温多晶硅层进行蚀刻。
所述缓冲层、栅极绝缘层、及层间绝缘层的材料均为氧化硅、氮化硅中的一种或多种的堆栈组合。
所述步骤4中掺杂的N型离子为磷离子。
所述有源层包括位于中间的沟道区和位于所述沟道区两端的N型离子掺杂区。
所述步骤1中低温多晶硅层的具体制作过程为:先在所述缓冲层上沉积一层非晶硅,再对非晶硅进行晶化处理,制得低温多晶硅层。
所述栅极与源/漏极的材料均为钼、铝、铜中的一种或多种的堆栈组合。
本发明的有益效果:本发明提供一种N型薄膜晶体管的制作方法,在制作过程中采用化学溶液对N型薄膜晶体管的沟道区进行蚀刻,提高所述N型薄膜晶体管的沟道区内的低温多晶硅的表面粗糙度,从而提高所述N型薄膜晶体管的沟道区内的低温多晶硅的表面缺陷浓度,使制得的N型薄膜晶体管的阈值电压向正方向移动,保证制得的N型薄膜晶体管在低电压下能及时关闭,相比于现有技术,该方法使用更便宜的设备并且能做到多片基板同时生产,能够降低生产成本,提升生产效率。
附图说明
为了能更进一步了解本发明的特征以及技术内容,请参阅以下有关本发明的详细说明与附图,然而附图仅提供参考与说明用,并非用来对本发明加以限制。
附图中,
图1为现有的N型薄膜晶体管的制作过程中对光阻层进行曝光的示意图;
图2为现有的N型薄膜晶体管的制作过程中对沟道区进行离子掺杂的示意图;
图3为现有的N型薄膜晶体管的结构示意图;
图4为本发明的N型薄膜晶体管的制作方法的示意流程图;
图5为本发明的N型薄膜晶体管的制作方法的步骤1的示意图;
图6为本发明的N型薄膜晶体管的制作方法的步骤2的示意图;
图7为本发明的N型薄膜晶体管的制作方法的步骤3的第一实施例的示意图;
图8为本发明的N型薄膜晶体管的制作方法的步骤3的第二实施例的示意图;
图9为本发明的N型薄膜晶体管的制作方法的步骤4的示意图;
图10为本发明的N型薄膜晶体管的制作方法的步骤5的示意图;
图11为本发明的N型薄膜晶体管的制作方法的步骤6的示意图。
具体实施方式
为更进一步阐述本发明所采取的技术手段及其效果,以下结合本发明的优选实施例及其附图进行详细描述。
请参阅图4,本发明提供一种N型薄膜晶体管的制作方法,包括如下步骤:
步骤1、请参阅图5,提供一衬底基板10,在所述衬底基板10上依次制备缓冲层20与低温多晶硅层310,所述低温多晶硅层310的表层在空气中被氧化形成氧化硅层40。
具体地,所述缓冲层20的材料为氧化硅、氮化硅中的一种或多种的堆栈组合。所述低温多晶硅层310的具体制作过程为:先在所述缓冲层20上沉积一层非晶硅,再对非晶硅进行晶化处理,制得低温多晶硅层310。
步骤2、请参阅图6,在所述低温多晶硅层310上涂布光阻层50,并采用光罩对其进行曝光、显影后,在所述低温多晶硅层310上定义出沟道区320。
步骤3、请参阅图7和图8,采用化学溶液对所述沟道区320的低温多晶硅层310进行蚀刻,去除所述沟道区320上方的氧化硅层40,并对沟道区320内的低温多晶硅进行蚀刻,提高所述沟道区320内的低温多晶硅的表面粗糙度。
可选地,请参阅图7,所述步骤3中采用四甲基氢氧化铵(TetramethylammoniumHydroxide,TMAH)水溶液对所述沟道区320的低温多晶硅层310进行蚀刻。优选的,所述四甲基氢氧化铵水溶液中四甲基氢氧化铵的质量百分比为5%~30%。
可选地,请参阅图8,所述步骤3中先采用双氧水对所述沟道区320的低温多晶硅层310进行进一步氧化处理,使得表层的氧化硅层40的厚度更加均匀,之后再采用氟化铵(NH4F)水溶液对所述沟道区320的低温多晶硅层310进行蚀刻。其中,双氧水和NH4F溶液可多次循环使用。优选的,所述双氧水中过氧化氢(H2O2)的体积百分比为20%~80%;所述氟化铵水溶液中氟化铵的质量百分比为3%~20%。
特别地,采用化学溶液对N型薄膜晶体管的沟道区进行蚀刻,能够提高所述N型薄膜晶体管的沟道区内的低温多晶硅的表面粗糙度,从而提高所述N型薄膜晶体管的沟道区内的低温多晶硅的表面缺陷浓度,使制得的N型薄膜晶体管的阈值电压向正方向移动,相比于现有的通过硼离子植入来调节NTFT阈值电压的方法,化学溶液蚀刻所使用的设备更加便宜,还能够多片基板同时生产,进而降低生产成本,提升生产效率。
步骤4、请参阅图9,对所述低温多晶硅层310进行图案化处理和N型离子掺杂,形成有源层30。
具体地,所述步骤4掺杂的N型离子为磷离子。所述有源层30包括位于中间的沟道区320和位于所述沟道区320两端的N型离子掺杂区330。沟道区320为未进行离子掺杂的低温多晶硅。
步骤5、请参阅图10,在所述有源层30、及缓冲层20上自下而上依次制备栅极绝缘层60、栅极70、及层间绝缘层80,采用一道光刻制程对所述栅极绝缘层60、层间绝缘层80、及氧化硅层40进行图形化处理,得到对应于所述有源层30两端的两过孔81。
具体地,所述栅极绝缘层60、及层间绝缘层80的材料均为氧化硅、氮化硅中的一种或多种的堆栈组合。
步骤6、请参阅图11,在所述层间绝缘层80上形成源/漏极90,所述源/漏极90通过两过孔81与所述有源层30的两端相接触。
具体地,所述栅极70与源/漏极90的材料均为钼、铝、铜中的一种或多种的堆栈组合。
综上所述,本发明提供一种N型薄膜晶体管的制作方法,在制作过程中采用化学溶液对N型薄膜晶体管的沟道区进行蚀刻,提高所述N型薄膜晶体管的沟道区内的低温多晶硅的表面粗糙度,从而提高所述N型薄膜晶体管的沟道区内的低温多晶硅的表面缺陷浓度,使制得的N型薄膜晶体管的阈值电压向正方向移动,保证制得的N型薄膜晶体管在低电压下能及时关闭,相比于现有技术,该方法使用更便宜的设备并且能做到多片基板同时生产,能够降低生产成本,提升生产效率。
以上所述,对于本领域的普通技术人员来说,可以根据本发明的技术方案和技术构思作出其他各种相应的改变和变形,而所有这些改变和变形都应属于本发明权利要求的保护范围。

Claims (8)

1.一种N型薄膜晶体管的制作方法,其特征在于,包括如下步骤:
步骤1、提供一衬底基板(10),在所述衬底基板(10)上自下而上依次制备缓冲层(20)与低温多晶硅层(310),所述低温多晶硅层(310)的表层在空气中被氧化形成氧化硅层(40);
步骤2、在所述低温多晶硅层(310)上涂布光阻层(50),并采用光罩对其进行曝光、显影后,在所述低温多晶硅层(310)上定义出沟道区(320);
步骤3、采用化学溶液对所述沟道区(320)的低温多晶硅层(310)进行蚀刻,去除所述沟道区(320)上方的氧化硅层(40),并对沟道区(320)内的低温多晶硅进行蚀刻,提高所述沟道区(320)内的低温多晶硅的表面粗糙度;
步骤4、对所述低温多晶硅层(310)进行图案化处理和N型离子掺杂,形成有源层(30);
步骤5、在所述有源层(30)、及缓冲层(20)上自下而上依次制备栅极绝缘层(60)、栅极(70)、及层间绝缘层(80),采用一道光刻制程对所述栅极绝缘层(60)、层间绝缘层(80)、及氧化硅层(40)进行图形化处理,得到对应于所述有源层(30)两端的两过孔(81);
步骤6、在所述层间绝缘层(80)上形成源/漏极(90),所述源/漏极(90)通过两过孔(81)与所述有源层(30)的两端相接触。
2.如权利要求1所述的N型薄膜晶体管的制作方法,其特征在于,所述步骤3中采用四甲基氢氧化铵水溶液对所述沟道区(320)的低温多晶硅层(310)进行蚀刻。
3.如权利要求1所述的N型薄膜晶体管的制作方法,其特征在于,所述步骤3中先采用双氧水对所述沟道区(320)的低温多晶硅层(310)进行氧化处理,之后再采用氟化铵水溶液对所述沟道区(320)的低温多晶硅层(310)进行蚀刻。
4.如权利要求1所述的N型薄膜晶体管的制作方法,其特征在于,所述缓冲层(20)、栅极绝缘层(60)、及层间绝缘层(80)的材料均为氧化硅、氮化硅中的一种或多种的堆栈组合。
5.如权利要求1所述的N型薄膜晶体管的制作方法,其特征在于,所述步骤4中掺杂的N型离子为磷离子。
6.如权利要求1所述的N型薄膜晶体管的制作方法,其特征在于,所述有源层(30)包括位于中间的沟道区(320)和位于所述沟道区(320)两端的N型离子掺杂区(330)。
7.如权利要求1所述的N型薄膜晶体管的制作方法,其特征在于,所述步骤1中低温多晶硅层(310)的具体制作过程为:先在所述缓冲层(20)上沉积一层非晶硅,再对非晶硅进行晶化处理,制得低温多晶硅层(310)。
8.如权利要求1所述的N型薄膜晶体管的制作方法,其特征在于,所述栅极(70)与源/漏极(90)的材料均为钼、铝、铜中的一种或多种的堆栈组合。
CN201610085496.6A 2016-02-14 2016-02-14 N型薄膜晶体管的制作方法 Active CN105551967B (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201610085496.6A CN105551967B (zh) 2016-02-14 2016-02-14 N型薄膜晶体管的制作方法
US15/119,383 US20180069099A1 (en) 2016-02-14 2016-05-26 Manufacture method of n type thin film transistor
PCT/CN2016/083566 WO2017136984A1 (zh) 2016-02-14 2016-05-26 N型薄膜晶体管的制作方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610085496.6A CN105551967B (zh) 2016-02-14 2016-02-14 N型薄膜晶体管的制作方法

Publications (2)

Publication Number Publication Date
CN105551967A CN105551967A (zh) 2016-05-04
CN105551967B true CN105551967B (zh) 2019-04-30

Family

ID=55831079

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610085496.6A Active CN105551967B (zh) 2016-02-14 2016-02-14 N型薄膜晶体管的制作方法

Country Status (3)

Country Link
US (1) US20180069099A1 (zh)
CN (1) CN105551967B (zh)
WO (1) WO2017136984A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105551967B (zh) * 2016-02-14 2019-04-30 武汉华星光电技术有限公司 N型薄膜晶体管的制作方法
WO2018232698A1 (zh) * 2017-06-22 2018-12-27 深圳市柔宇科技有限公司 阵列基板的制作设备及阵列基板的制作方法
CN108198745B (zh) * 2017-12-28 2020-12-22 信利(惠州)智能显示有限公司 源漏极成膜前处理方法
CN116207109A (zh) * 2019-11-12 2023-06-02 群创光电股份有限公司 电子装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1753155A (zh) * 2004-09-24 2006-03-29 财团法人工业技术研究院 平坦多晶硅薄膜晶体管的制作方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04302147A (ja) * 1991-03-29 1992-10-26 Matsushita Electric Ind Co Ltd Tftとその製造方法
JP2001308339A (ja) * 2000-02-18 2001-11-02 Sharp Corp 薄膜トランジスタ
JP3532524B2 (ja) * 2000-12-27 2004-05-31 シャープ株式会社 Mosトランジスタの製造方法及びmosトランジスタ
US7605023B2 (en) * 2002-08-29 2009-10-20 Semiconductor Energy Laboratory Co., Ltd. Manufacturing method for a semiconductor device and heat treatment method therefor
JP4341062B2 (ja) * 2003-02-12 2009-10-07 日本電気株式会社 薄膜トランジスタおよびその製造方法
CN1744276A (zh) * 2004-09-02 2006-03-08 上海宏力半导体制造有限公司 形成具有粗糙表面的多晶硅的方法
KR101100959B1 (ko) * 2010-03-10 2011-12-29 삼성모바일디스플레이주식회사 박막 트랜지스터, 그의 제조 방법 및 박막 트랜지스터를 구비하는 표시 장치
CN104617132B (zh) * 2014-12-31 2017-05-10 深圳市华星光电技术有限公司 低温多晶硅薄膜晶体管及其制造方法
CN105551967B (zh) * 2016-02-14 2019-04-30 武汉华星光电技术有限公司 N型薄膜晶体管的制作方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1753155A (zh) * 2004-09-24 2006-03-29 财团法人工业技术研究院 平坦多晶硅薄膜晶体管的制作方法

Also Published As

Publication number Publication date
CN105551967A (zh) 2016-05-04
WO2017136984A1 (zh) 2017-08-17
US20180069099A1 (en) 2018-03-08

Similar Documents

Publication Publication Date Title
CN105929615B (zh) 一种薄膜晶体管阵列基板及液晶面板
CN105097550A (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
CN103730414B (zh) 薄膜晶体管基板的制造方法
CN102522410B (zh) 一种薄膜晶体管阵列基板及其制作方法
CN105551967B (zh) N型薄膜晶体管的制作方法
CN103779209A (zh) 一种多晶硅薄膜晶体管的制备方法
US9735186B2 (en) Manufacturing method and structure thereof of TFT backplane
CN105304500A (zh) N型tft的制作方法
US20180197973A1 (en) Manufacturing method of top gate thin-film transistor
CN104576399A (zh) 一种薄膜晶体管及其制造方法
CN108550625A (zh) 一种薄膜晶体管及其制作方法
WO2016033836A1 (zh) 氧化物半导体tft基板的制作方法及结构
CN104916546A (zh) 阵列基板的制作方法及阵列基板和显示装置
CN104022079A (zh) 薄膜晶体管基板的制造方法
US10134765B2 (en) Oxide semiconductor TFT array substrate and method for manufacturing the same
KR101859621B1 (ko) 펨토 세컨드 레이저 프리어닐링을 이용한 산화물 트랜지스터 및 그 제조 방법
US10629746B2 (en) Array substrate and manufacturing method thereof
CN104538455A (zh) 一种轻掺杂漏极区的制作方法、薄膜晶体管及阵列基板
CN104505404A (zh) 薄膜晶体管及其制备方法、阵列基板和显示装置
CN104658898A (zh) 低温多晶硅薄膜的制作方法
WO2020113763A1 (zh) 一种薄膜晶体管的制备方法
KR101831080B1 (ko) 박막 트랜지스터 기판의 제조 방법 및 이를 이용하여 제조된 박막 트랜지스터 기판
CN106057677B (zh) 低温多晶硅薄膜晶体管的制作方法
CN104867983A (zh) 一种LDD/Offset结构薄膜晶体管及其制备方法
CN104599973A (zh) 低温多晶硅薄膜晶体管的制备方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant