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    • 33. 发明申请
    • SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME
    • 半导体器件及其制造方法
    • US20120256178A1
    • 2012-10-11
    • US13426641
    • 2012-03-22
    • Shunpei YAMAZAKI
    • Shunpei YAMAZAKI
    • H01L29/78H01L21/36H01L29/24H01L29/22
    • H01L29/7869H01L29/78603
    • A transistor including an oxide semiconductor with favorable electric characteristics and a manufacturing method thereof are provided. A semiconductor device includes a transistor. The transistor includes an oxide semiconductor film over a base insulating film, a gate electrode overlapping with the oxide semiconductor film with a gate insulating film interposed therebetween, and a pair of electrodes in contact with the oxide semiconductor film and serving as a source electrode and a drain electrode. The base insulating film includes a first oxide insulating film partly in contact with the oxide semiconductor film and a second oxide insulating film in the periphery of the first oxide insulating film. An end portion of the oxide semiconductor film which crosses the channel width direction of the transistor is located over the second oxide insulating film.
    • 提供一种包括具有良好电特性的氧化物半导体的晶体管及其制造方法。 半导体器件包括晶体管。 晶体管包括在基底绝缘膜上的氧化物半导体膜,与氧化物半导体膜重叠的栅电极,其间插入有栅极绝缘膜,以及与氧化物半导体膜接触并用作源电极的一对电极和 漏电极。 基底绝缘膜包括与氧化物半导体膜部分接触的第一氧化物绝缘膜和在第一氧化物绝缘膜的周围的第二氧化物绝缘膜。 氧化物半导体膜的与晶体管的沟道宽度方向交叉的端部位于第二氧化物绝缘膜的上方。
    • 34. 发明申请
    • SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME
    • 半导体器件及其制造方法
    • US20120256177A1
    • 2012-10-11
    • US13426640
    • 2012-03-22
    • Shunpei YAMAZAKI
    • Shunpei YAMAZAKI
    • H01L29/78H01L21/336
    • H01L29/7869H01L21/76283H01L21/84H01L27/1203H01L29/66772
    • A transistor including an oxide semiconductor with favorable electric characteristics and a manufacturing method thereof are provided. A semiconductor device includes a transistor. The transistor includes an oxide semiconductor film over a base insulating film, a gate electrode overlapping with the oxide semiconductor film with a gate insulating film interposed therebetween, and a pair of electrodes in contact with the oxide semiconductor film and serving as a source electrode and a drain electrode. The base insulating film includes a first oxide insulating film partly in contact with the oxide semiconductor film and a second oxide insulating film in the periphery of the first oxide insulating film. An end portion of the oxide semiconductor film which crosses the channel width direction of the transistor is located over the first oxide insulating film.
    • 提供一种包括具有良好电特性的氧化物半导体的晶体管及其制造方法。 半导体器件包括晶体管。 晶体管包括在基底绝缘膜上的氧化物半导体膜,与氧化物半导体膜重叠的栅电极,其间插入有栅极绝缘膜,以及与氧化物半导体膜接触并用作源电极的一对电极和 漏电极。 基底绝缘膜包括与氧化物半导体膜部分接触的第一氧化物绝缘膜和在第一氧化物绝缘膜的周围的第二氧化物绝缘膜。 氧化物半导体膜的与晶体管的沟道宽度方向交叉的端部位于第一氧化物绝缘膜的上方。
    • 35. 发明申请
    • METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
    • 制造半导体器件的方法
    • US20120252160A1
    • 2012-10-04
    • US13429977
    • 2012-03-26
    • Shunpei YAMAZAKI
    • Shunpei YAMAZAKI
    • H01L21/44
    • H01L29/4908H01L29/66969H01L29/78606H01L29/7869
    • In a method for manufacturing a transistor including an oxide semiconductor layer, a gate electrode is formed and then an aluminum oxide film, a silicon oxide film, and the oxide semiconductor film are successively formed in an in-line apparatus without being exposed to the air and are subjected to heating and oxygen adding treatment in the in-line apparatus. Then, the transistor is covered with another aluminum oxide film and is subjected to heat treatment, so that the oxide semiconductor film from which impurities including hydrogen atoms are removed and including a region containing oxygen at an amount exceeding that in the stoichiometric composition ratio. The transistor including the oxide semiconductor film is a transistor having high reliability in which the amount of change in threshold voltage of the transistor by the bias-temperature stress (BT test) can be reduced.
    • 在制造包括氧化物半导体层的晶体管的方法中,形成栅电极,然后将氧化铝膜,氧化硅膜和氧化物半导体膜依次形成在直列式装置中而不暴露于空气中 并对在线装置进行加热和氧气添加处理。 然后,晶体管被另一个氧化铝膜覆盖,并进行热处理,从而除去包括氢原子的杂质的氧化物半导体膜,并且包括含有超过化学计量组成比的氧的区域。 包括氧化物半导体膜的晶体管是具有高可靠性的晶体管,其中通过偏置温度应力(BT测试)可以减小晶体管的阈值电压的变化量。