Abstract:
본발명에관한박막트랜지스터의반도체층용산화물은, Zn, Sn 및 In을포함하고, 산화물에포함되는금속원소의함유량(원자%)을각각, [Zn], [Sn] 및 [In]으로하였을때, 하기수학식 1 내지 3을만족하는것이다. [수학식 1][수학식 2][수학식 3]본발명에따르면, 높은이동도를실현할수 있고, 또한, 스트레스내성(스트레스인가전후의임계값전압시프트량이적은것)도우수한박막트랜지스터용산화물을제공할수 있었다.
Abstract:
An oxide for a thin film transistor of the present invention is an In-Zn-Sn-based oxide including at least In, Zn, and Sn. When the contents (atomic percent) of metal elements included in the In-Zn-Sn-based oxide are represented by ′Zn′, ′Sn′, and ′In′, respectively, the following formulas 2 and 4 are satisfied when ′In′ / (′In′+′Sn′) 0.5. Formula 1: ′In′ / (′In′ + ′Zn′ + ′Sn′)
Abstract:
PURPOSE: An oxide for the semiconductor layer of a thin film transistor, a sputtering target, and the thin film transistor are provided to improve electric conductance by lowering gas pressure in a sputtering process for forming a layer. CONSTITUTION: Oxide includes Zn, Sn, and In. The oxide is changed into an oxide layer by a sputtering method. The thickness of the oxide layer is 35 to 80 nm. The oxide is used for the semiconductor layer (4) of a thin film transistor. The density of the semiconductor layer is 5.8 g/cm3 or higher.
Abstract translation:目的:提供用于薄膜晶体管,溅射靶和薄膜晶体管的半导体层的氧化物,以通过在用于形成层的溅射工艺中降低气体压力来改善导电性。 构成:氧化物包括Zn,Sn和In。 通过溅射法将氧化物变成氧化物层。 氧化物层的厚度为35〜80nm。 氧化物用于薄膜晶体管的半导体层(4)。 半导体层的密度为5.8g / cm 3以上。
Abstract:
본 발명에 관한 박막 트랜지스터의 반도체층용 산화물은, Zn, Sn 및 In과 ; Si, Hf, Ga, Al, Ni, Ge, Ta, W 및 Nb로 이루어지는 X군으로부터 선택되는 적어도 1종의 원소(X군 원소)를 포함하는 것이다. 본 발명에 따르면, 높은 이동도를 실현할 수 있고, 또한 스트레스 내성(스트레스 인가 전후의 임계값 전압 시프트량이 적은 것)도 우수한 박막 트랜지스터용 산화물을 제공할 수 있었다.
Abstract:
PURPOSE: Oxide for the semiconductor layer of a thin film transistor, a sputtering target, and the thin film transistor are provided to improve the stability for light stress by increasing the density of the semiconductor layer of the thin film transistor. CONSTITUTION: Oxide is used for the semiconductor layer (4) of a thin film transistor. The density of the semiconductor layer is 5.8 g/cm^3 or more. The oxide includes Zn, Sn, In, and an X group element. The X group element is selected from an X group. The X group includes Si, Hf, Ga, Al, Ni, Ge, Ta, and Nb.
Abstract translation:目的:提供用于薄膜晶体管,溅射靶和薄膜晶体管的半导体层的氧化物,以通过增加薄膜晶体管的半导体层的密度来提高光应力的稳定性。 构成:氧化物用于薄膜晶体管的半导体层(4)。 半导体层的密度为5.8g / cm 3以上。 氧化物包括Zn,Sn,In和X族元素。 从X组中选择X组元素。 X基团包括Si,Hf,Ga,Al,Ni,Ge,Ta和Nb。