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    • 2. 发明授权
    • Method of forming suspended structure
    • 形成悬浮结构的方法
    • US07465601B2
    • 2008-12-16
    • US11736593
    • 2007-04-18
    • Yu-Fu KangChen-Hsiung Yang
    • Yu-Fu KangChen-Hsiung Yang
    • H01L21/62
    • B81C1/0015
    • A method of forming a suspended structure is disclosed. Initially, a substrate is provided. A patterned first sacrificial layer and a patterned second sacrificial layer are formed on a front surface of the substrate. The second sacrificial layer has an opening exposing a part of the substrate and a part of the first sacrificial layer. A structural layer is formed covering the abovementioned sacrificial layers. Thereafter, a lift-off process is performed to remove the second sacrificial layer and define the pattern of the structural layer. A first etching process is performed on a back surface of the substrate utilizing the first sacrificial layer as an etching barrier and a through hole is formed under the first sacrificial layer. A second etching layer is performed to remove the first sacrificial layer and a suspended structure is thereby formed.
    • 公开了一种形成悬挂结构的方法。 首先,提供基板。 图案化的第一牺牲层和图案化的第二牺牲层形成在衬底的前表面上。 第二牺牲层具有暴露基板的一部分和第一牺牲层的一部分的开口。 形成覆盖上述牺牲层的结构层。 此后,执行剥离处理以去除第二牺牲层并限定结构层的图案。 利用第一牺牲层作为蚀刻阻挡层,在基板的背面上进行第一蚀刻工艺,并且在第一牺牲层下形成通孔。 执行第二蚀刻层以去除第一牺牲层,由此形成悬挂结构。
    • 6. 发明申请
    • METHOD OF SEGMENTING A WAFER
    • 分隔波的方法
    • US20060276005A1
    • 2006-12-07
    • US11160975
    • 2005-07-18
    • Chen-Hsiung Yang
    • Chen-Hsiung Yang
    • H01L21/78
    • H01L21/78
    • First, a device wafer having a substrate layer and a device layer is provided. Then, a first mask pattern is utilized to remove the device layer uncovered by the first mask pattern. Subsequently, a medium layer is formed on the surface of the device wafer, and the medium layer is then bonded to a carrier wafer. Thereafter, a second mask pattern is utilized to remove the substrate layer uncovered by the second mask pattern. Finally, the medium layer is separated from the carrier wafer, the substrate layer is bonded to an extendable film, and the medium layer is then removed.
    • 首先,提供具有基板层和器件层的器件晶片。 然后,使用第一掩模图案来去除由第一掩模图案未覆盖的器件层。 随后,在器件晶片的表面上形成介质层,然后将介质层接合到载体晶片。 此后,利用第二掩模图案来去除未被第二掩模图案覆盖的基底层。 最后,将介质层与载体晶片分离,将基底层粘合到可延伸的膜上,然后除去介质层。
    • 9. 发明申请
    • METHOD OF FORMING SUSPENDED STRUCTURE
    • 形成悬挂结构的方法
    • US20080138923A1
    • 2008-06-12
    • US11736593
    • 2007-04-18
    • Yu-Fu KangChen-Hsiung Yang
    • Yu-Fu KangChen-Hsiung Yang
    • H01L21/62
    • B81C1/0015
    • A method of forming a suspended structure is disclosed. Initially, a substrate is provided. A patterned first sacrificial layer and a patterned second sacrificial layer are formed on a front surface of the substrate. The second sacrificial layer has an opening exposing a part of the substrate and a part of the first sacrificial layer. A structural layer is formed covering the abovementioned sacrificial layers. Thereafter, a lift-off process is performed to remove the second sacrificial layer and define the pattern of the structural layer. A first etching process is performed on a back surface of the substrate utilizing the first sacrificial layer as an etching barrier and a through hole is formed under the first sacrificial layer. A second etching layer is performed to remove the first sacrificial layer and a suspended structure is thereby formed.
    • 公开了一种形成悬挂结构的方法。 首先,提供基板。 图案化的第一牺牲层和图案化的第二牺牲层形成在衬底的前表面上。 第二牺牲层具有暴露基板的一部分和第一牺牲层的一部分的开口。 覆盖上述牺牲层的结构层被形成。 此后,执行剥离处理以去除第二牺牲层并限定结构层的图案。 利用第一牺牲层作为蚀刻阻挡层,在基板的背面上进行第一蚀刻工艺,并且在第一牺牲层下形成通孔。 执行第二蚀刻层以去除第一牺牲层,由此形成悬挂结构。