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    • 1. 发明授权
    • Method of fabricating semiconductor device with capacitor
    • 制造具有电容器的半导体器件的方法
    • US06709991B1
    • 2004-03-23
    • US09084578
    • 1998-05-26
    • Jun KawaharaShinobu SaitoYukihiko MaejimaYoshihiro Hayashi
    • Jun KawaharaShinobu SaitoYukihiko MaejimaYoshihiro Hayashi
    • H01L21469
    • H01L28/57H01L21/02164H01L21/0217H01L21/02216H01L21/02219H01L21/02271H01L21/31612H01L21/76801H01L21/76802
    • A fabrication method of a semiconductor device with a capacitor is provided, which prevents leakage current from increasing and dielectric breakdown resistance from decreasing during a CVD or dry etching process for forming an insulating film to cover the capacitor. In this method, a lower electrode of a capacitor is formed on a first insulating film. The first insulating film is typically formed on or over a semiconductor substrate. A dielectric film of the capacitor is formed on the lower electrode to be overlapped therewith. An upper electrode of the capacitor is formed on the dielectric film to be overlapped therewith. A second insulating film is formed to cover the capacitor by a thermal CVD process in an atmosphere containing no plasma at a substrate temperature in which hydrogen is prevented from being activated due to heat. A source material of the second insulating film has a property that no hydrogen is generated in the atmosphere through decomposition of the source material during the thermal CVD process.
    • 提供了具有电容器的半导体器件的制造方法,其防止了在用于形成绝缘膜以覆盖电容器的CVD或干蚀刻工艺期间泄漏电流增加和绝缘击穿电阻降低。 在该方法中,在第一绝缘膜上形成电容器的下电极。 第一绝缘膜通常形成在半导体衬底上或上方。 电容器的电介质膜形成在下电极上以与其重叠。 电容器的上电极形成在电介质膜上以与其重叠。 形成第二绝缘膜,通过热CVD法在不防止由于热而被活化的基板温度下的不含等离子体的气氛中覆盖电容器。 第二绝缘膜的源材料具有通过在热CVD工艺期间源材料分解而在大气中不产生氢的性质。
    • 3. 发明授权
    • Semiconductor device with conductive plugs
    • 带导电插头的半导体器件
    • US6004839A
    • 1999-12-21
    • US804112
    • 1997-02-20
    • Yoshihiro HayashiNobuhiro TanabeTsuneo TakeuchiShinobu Saito
    • Yoshihiro HayashiNobuhiro TanabeTsuneo TakeuchiShinobu Saito
    • H01L21/768H01L21/8242H01L21/8246H01L21/8238
    • H01L27/11502H01L21/768H01L27/10844H01L27/10852H01L27/11507
    • In a method of manufacturing a semiconductor device, a CMOS section composed of an N-channel MOS transistor and a P-channel MOS transistor and a memory section composed of at least a transfer gate MOS transistor is formed on a substrate. A plurality of conductive plugs is formed to penetrate a laminate insulating film to the MOS transistors. The laminate insulating film is composed of a first insulating film and a second insulating film. A capacitor section is formed on the laminate insulating film and the capacitor section is composed of an upper electrode, a dielectric film and a lower electrode. A third insulating film is formed on the laminate insulating film and the capacitor section. A wiring pattern is formed on the third insulating film to partially penetrate the second insulating film connect to the plurality of conductive plugs. A wiring pattern may be disposed in the laminate insulating film to connect at least two of the plurality of conductive plugs.
    • 在制造半导体器件的方法中,在衬底上形成由N沟道MOS晶体管和P沟道MOS晶体管组成的CMOS部分和至少由传输门MOS晶体管组成的存储部分。 形成多个导电插塞以穿透层压绝缘膜到MOS晶体管。 层叠绝缘膜由第一绝缘膜和第二绝缘膜构成。 在层叠绝缘膜上形成电容器部,电容部由上部电极,电介质膜和下部电极构成。 在层压绝缘膜和电容器部分上形成第三绝缘膜。 在第三绝缘膜上形成布线图案,以部分地穿透连接到多个导电插塞的第二绝缘膜。 布线图案可以布置在层压绝缘膜中以连接多个导电插塞中的至少两个。
    • 5. 发明授权
    • Semiconductor device and its manufacturing method
    • 半导体器件及其制造方法
    • US08629529B2
    • 2014-01-14
    • US12519706
    • 2007-12-25
    • Naoya InoueIppei KumeJun KawaharaYoshihiro Hayashi
    • Naoya InoueIppei KumeJun KawaharaYoshihiro Hayashi
    • H01L27/06
    • H01L23/5228H01L23/5223H01L23/53238H01L27/0688H01L2924/0002H01L2924/3011H01L2924/00
    • A semiconductor device is produced by fabricating a capacitor element including a lower electrode, a capacitor insulating film, and an upper electrode, and a thin-film resistor element, in the same step. As the lower electrode of the capacitor element is lined with a lower layer wiring layer (Cu wiring), the lower electrode has extremely low resistance substantially. As such, even if the film thickness of the lower electrode becomes thinner, parasitic resistance does not increased. The resistor element is formed to have the same film thickness as that of the lower electrode of the capacitor element. Since the film thickness of the lower electrode is thin, it works as a resistor having high resistance. In the top layer of the passive element, a passive element cap insulating film is provided, which works as an etching stop layer when etching a contact of the upper electrode of the capacitor element.
    • 通过在同一步骤中制造包括下电极,电容器绝缘膜和上电极的电容器元件和薄膜电阻器元件来制造半导体器件。 由于电容器元件的下电极衬有下层布线层(Cu布线),所以下电极具有极低的电阻。 因此,即使下电极的膜厚变薄,寄生电阻也不会增加。 电阻元件形成为具有与电容器元件的下电极相同的膜厚度。 由于下部电极的膜厚薄,所以作为具有高电阻的电阻器。 在无源元件的顶层中,设置无源元件帽绝缘膜,当蚀刻电容器元件的上电极的接触时,其被用作蚀刻停止层。