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    • 3. 发明授权
    • Semiconductor leadframe for staggered board attach
    • 用于交错板的半导体引线框连接
    • US07002240B2
    • 2006-02-21
    • US10779117
    • 2004-02-12
    • Ruben P. Madrid
    • Ruben P. Madrid
    • H01L23/495
    • H01L23/49555H01L21/4842H01L2924/0002Y10T29/49121H01L2924/00
    • The semiconductor integrated circuit device comprises a planar leadframe having lead segments arranged in alternating order into first and second pluralities, the segments having their inner tips near the chip mount pad and their outer tips remote from the mount pad. The outer tips have a solderable surface. All outer tips are bent away from the leadframe plane into the direction towards the intended attachment locations on an outside substrate such that the first segment plurality forms an angle of about 70±1° from the plane and the second segment plurality forms an angle of about 75±1° (see FIG. 4). Consequently, the outer tips create a staggered lead pattern suitable for solder attachment to an outside substrate.
    • 该半导体集成电路器件包括一个平面引线框,其具有以交替顺序排列成第一和第二多个的引线段,所述段具有靠近芯片安装焊盘的其内部尖端以及远离安装焊盘的外部尖端。 外部尖端具有可焊接表面。 所有外部尖端从引线框架平面向远离外部基板上的预期附接位置的方向弯曲,使得第一段多个与平面形成约70±1°的角度,并且第二段多个形成约 75±1°(见图4)。 因此,外部尖端产生适合于焊接附着到外部基板的交错引线图案。
    • 9. 发明授权
    • Semiconductor leadframe for staggered board attach
    • 用于交错板的半导体引线框连接
    • US06707135B2
    • 2004-03-16
    • US09990846
    • 2001-11-21
    • Ruben P. Madrid
    • Ruben P. Madrid
    • H01L23495
    • H01L23/49555H01L21/4842H01L2924/0002Y10T29/49121H01L2924/00
    • The semiconductor integrated circuit device comprises a planar leadframe having lead segments arranged in alternating order into first and second pluralities, the segments having their inner tips near the chip mount pad and their outer tips remote from the mount pad. The outer tips have a solderable surface. All outer tips are bent away from the leadframe plane into the direction towards the intended attachment locations on an outside substrate such that the first segment plurality forms an angle of about 70±1° from the plane and the second segment plurality forms an angle of about 75±1° (see FIG. 4). Consequently, the outer tips create a staggered lead pattern suitable for solder attachment to an outside substrate.
    • 该半导体集成电路器件包括一个平面引线框,其具有以交替顺序排列成第一和第二多个的引线段,所述段具有靠近芯片安装焊盘的其内部尖端以及远离安装焊盘的外部尖端。 外部尖端具有可焊接表面。 所有外部尖端从引线框架平面向远离外部基板上的预期附接位置的方向弯曲,使得第一段多个与平面形成约70±1°的角度,并且第二段多个形成约 75±1°(见图4)。 因此,外部尖端产生适合于焊接附着到外部基板的交错引线图案。