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    • 4. 发明授权
    • Capacitance measurement circuit
    • 电容测量电路
    • US07230435B2
    • 2007-06-12
    • US10760449
    • 2004-01-21
    • Tatsuya KunikiyoTetsuya WatanabeToshiki KanamotoKyoji Yamashita
    • Tatsuya KunikiyoTetsuya WatanabeToshiki KanamotoKyoji Yamashita
    • G01R27/26G01R27/02
    • G01R27/2605
    • A CBCM circuit is capable of separately measuring each component of a measuring target capacitance. A node (N1) is electrically connected to a terminal (P2) between the drains of PMOS and NMOS transistors (MP2, MN2). As a target capacitance forming part, a coupling capacitance (Cc) is formed between the node (N1) and a node (N2). The node (N2) is connected to a pad (58) through the terminal (P2) and an NMOS transistor (MN3), and a node (N3) is connected to a terminal (P3) between the drains of PMOS and NMOS transistors (MP1, MN1). A reference capacitance (Cref) is formed at the node (N3) as a dummy capacitance. Currents (Ir, It) supplied from a power source to the nodes (N3, N1) are measured with current meters (61, 62), respectively and a current (Im) induced from the node (N2) and flowing to a ground level is measured with a current meter (63).
    • CBCM电路能够单独测量测量目标电容的每个分量。 节点(N 1)电连接到PMOS和NMOS晶体管(MP 2,MN 2)的漏极之间的端子(P 2)。 作为目标电容形成部,在节点(N 1)和节点(N 2)之间形成耦合电容(C SUB)。 节点(N 2)经由端子(P 2)和NMOS晶体管(MN 3)连接到焊盘(58),并且节点(N 3)连接到端子(N 3)之间的端子(P 3) PMOS和NMOS晶体管(MP 1,MN 1)。 在节点(N 3)处形成参考电容(C SUB)作为虚拟电容。 分别用电流计(61,62)从电源向节点(N 3,N 1)提供的电流(I,R,I,T) 使用电流计(63)测量从节点(N 2)感应并流到地平面的电流(I SUB)。
    • 6. 发明授权
    • Net list producing device producing a net list with an interconnection parasitic element by hierarchical processing
    • 网表制作装置,通过分层处理产生具有互连寄生元件的网络列表
    • US07979817B2
    • 2011-07-12
    • US12213623
    • 2008-06-23
    • Toshiki KanamotoMitsutoshi ShirotaMichiko Uchimura
    • Toshiki KanamotoMitsutoshi ShirotaMichiko Uchimura
    • G06F17/50
    • G06F17/5009
    • A memory cell information producing unit obtains physical terminal coordinates, physical terminal names and logical terminal names of a memory cell and layout data, and operates based on them to specify parasitic elements parasitic on interconnections of the memory cell, and to produce memory cell information including the physical terminal names and representing physical properties and a connection relationship of inner elements of the memory cell and the parasitic elements. Memory cell array information producing unit obtains connection information determining the connection relationship of physical terminals of the memory cell, assigns node names to the physical terminals of the memory cell based on the connection information, and produces memory cell array information representing the node names of all the memory cells. A memory cell array net list producing unit produces a net list of the memory cell array formed of the memory cell information and the memory cell array information.
    • 存储单元信息产生单元获取存储单元的物理终端坐标,物理终端名称和逻辑终端名称以及布局数据,并基于它们进行操作,以指定在存储单元的互连上寄生的寄生元件,并且产生存储单元信息,包括 物理终端名称和表示物理特性以及存储器单元的内部元件与寄生元件的连接关系。 存储单元阵列信息生成单元获取确定存储单元的物理终端的连接关系的连接信息,基于该连接信息将节点名称分配给存储单元的物理终端,并生成表示全部的节点名称的存储单元阵列信息 记忆细胞。 存储单元阵列网列表产生单元产生由存储单元信息和存储单元阵列信息形成的存储单元阵列的净列表。
    • 10. 发明授权
    • Net list producing device producing a net list with an interconnection parasitic element by hierarchical processing
    • 网表制作装置,通过分层处理产生具有互连寄生元件的网络列表
    • US07398506B2
    • 2008-07-08
    • US11358101
    • 2006-02-22
    • Toshiki KanamotoMitsutoshi ShirotaMichiko Uchimura
    • Toshiki KanamotoMitsutoshi ShirotaMichiko Uchimura
    • G06F17/50
    • G06F17/5009
    • A memory cell information producing unit obtains physical terminal coordinates, physical terminal names and logical terminal names of a memory cell and layout data, and operates based on them to specify parasitic elements parasitic on interconnections of the memory cell, and to produce memory cell information including the physical terminal names and representing physical properties and a connection relationship of inner elements of the memory cell and the parasitic elements. Memory cell array information producing unit obtains connection information determining the connection relationship of physical terminals of the memory cell, assigns node names to the physical terminals of the memory cell based on the connection information, and produces memory cell array information representing the node names of all the memory cells. A memory cell array net list producing unit produces a net list of the memory cell array formed of the memory cell information and the memory cell array information.
    • 存储单元信息产生单元获取存储单元的物理终端坐标,物理终端名称和逻辑终端名称以及布局数据,并基于它们进行操作,以指定在存储单元的互连上寄生的寄生元件,并且产生存储单元信息,包括 物理终端名称和表示物理特性以及存储器单元的内部元件与寄生元件的连接关系。 存储单元阵列信息生成单元获取确定存储单元的物理终端的连接关系的连接信息,基于该连接信息将节点名称分配给存储单元的物理终端,并生成表示全部的节点名称的存储单元阵列信息 记忆细胞。 存储单元阵列网列表产生单元产生由存储单元信息和存储单元阵列信息形成的存储单元阵列的净列表。