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    • 1. 发明授权
    • Manufacturing method for high capacitance capacitor structure
    • 高容量电容器结构的制造方法
    • US08557673B1
    • 2013-10-15
    • US13476251
    • 2012-05-21
    • Shin-Bin HuangCheng-Yeh HsuChung-Lin Huang
    • Shin-Bin HuangCheng-Yeh HsuChung-Lin Huang
    • H01L21/02
    • H01L28/91
    • A manufacturing method of a capacitor structure is provided, which includes the steps of: on a substrate having a first oxide layer, (a) forming a first suspension layer on the first oxide layer; (b) forming a first shallow trench into the first oxide layer above the substrate; (c) forming a second oxide layer filling the first shallow trench; (d) forming a second suspension layer on the second oxide layer; (e) forming a second shallow trench through the second suspension layer into the second oxide layer above the first suspension layer; (f) forming at least one deep trench on the bottom surface of the second shallow trench through the second and the first oxide layers, (g) forming an electrode layer on the inner surface of the deep trench; and (h) removing the first and second oxide layers through the trench openings in the first and the second suspension layers.
    • 提供一种电容器结构的制造方法,其包括以下步骤:在具有第一氧化物层的衬底上,(a)在第一氧化物层上形成第一悬浮层; (b)在衬底上方的第一氧化物层中形成第一浅沟槽; (c)形成填充所述第一浅沟槽的第二氧化物层; (d)在第二氧化物层上形成第二悬浮层; (e)通过所述第二悬浮层形成穿过所述第一悬浮层上方的所述第二氧化物层的第二浅沟槽; (f)通过第二和第一氧化物层在第二浅沟槽的底表面上形成至少一个深沟槽,(g)在深沟槽的内表面上形成电极层; 和(h)通过第一和第二悬浮层中的沟槽开口去除第一和第二氧化物层。
    • 3. 发明申请
    • MANUFACTURING METHOD FOR HIGH CAPACITANCE CAPACITOR STRUCTURE
    • 高容量电容器结构的制造方法
    • US20130252397A1
    • 2013-09-26
    • US13476251
    • 2012-05-21
    • SHIN-BIN HUANGCHENG-YEH HSUCHUNG-LIN HUANG
    • SHIN-BIN HUANGCHENG-YEH HSUCHUNG-LIN HUANG
    • H01L21/02
    • H01L28/91
    • A manufacturing method of a capacitor structure is provided, which includes the steps of: on a substrate having a first oxide layer, (a) forming a first suspension layer on the first oxide layer; (b) forming a first shallow trench into the first oxide layer above the substrate; (c) forming a second oxide layer filling the first shallow trench; (d) forming a second suspension layer on the second oxide layer; (e) forming a second shallow trench through the second suspension layer into the second oxide layer above the first suspension layer; (f) forming at least one deep trench on the bottom surface of the second shallow trench through the second and the first oxide layers, (g) forming an electrode layer on the inner surface of the deep trench; and (h) removing the first and second oxide layers through the trench openings in the first and the second suspension layers.
    • 提供一种电容器结构的制造方法,其包括以下步骤:在具有第一氧化物层的衬底上,(a)在第一氧化物层上形成第一悬浮层; (b)在衬底上方的第一氧化物层中形成第一浅沟槽; (c)形成填充所述第一浅沟槽的第二氧化物层; (d)在第二氧化物层上形成第二悬浮层; (e)通过所述第二悬浮层形成穿过所述第一悬浮层上方的所述第二氧化物层的第二浅沟槽; (f)通过第二和第一氧化物层在第二浅沟槽的底表面上形成至少一个深沟槽,(g)在深沟槽的内表面上形成电极层; 和(h)通过第一和第二悬浮层中的沟槽开口去除第一和第二氧化物层。