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    • 97. 发明申请
    • METHOD OF FORMING VIAS IN SEMICONDUCTOR SUBSTRATES AND RESULTING STRUCTURES
    • 在半导体衬底和结构结构中形成VIAS的方法
    • US20110074043A1
    • 2011-03-31
    • US12955359
    • 2010-11-29
    • Charles M. WatkinsKyle K. KirbyAlan G. WoodSalman AkramWarren M. Farnworth
    • Charles M. WatkinsKyle K. KirbyAlan G. WoodSalman AkramWarren M. Farnworth
    • H01L23/48
    • H01L21/76898
    • Methods for forming through vias in a semiconductor substrate and resulting structures are disclosed. In one embodiment, a through via may be formed by forming a partial via from an active surface through a conductive element thereon and a portion of the substrate underlying the conductive element. The through via may then be completed by laser ablation or drilling from a back surface. In another embodiment, a partial via may be formed by laser ablation or drilling from the back surface of a substrate to a predetermined distance therein. The through via may be completed from the active surface by forming a partial via extending through the conductive element and the underlying substrate to intersect the laser-drilled partial via. In another embodiment, a partial via may first be formed by laser ablation or drilling from the back surface of the substrate followed by dry etching to complete the through via.
    • 公开了在半导体衬底中形成贯通孔的方法和所得到的结构。 在一个实施例中,可以通过从活性表面通过其上的导电元件和导电元件下面的基底的一部分形成部分通孔来形成通孔。 然后可以通过从后表面的激光烧蚀或钻孔来完成通孔。 在另一个实施例中,部分通孔可以通过激光烧蚀或从衬底的背面钻孔到其中的预定距离来形成。 通孔可以通过形成延伸通过导电元件和下面的衬底以与激光钻孔的部分通孔相交的部分通孔从活性表面完成。 在另一个实施例中,可以首先通过激光烧蚀或从衬底的背面进行钻孔形成部分通孔,然后通过干蚀刻来完成通孔。
    • 99. 发明申请
    • Thinned Semiconductor Components Having Lasered Features And Methods For Fabricating Semiconductor Components Using Back Side Laser Processing
    • 具有激光特性的薄型半导体元件和使用背面激光加工制造半导体元件的方法
    • US20100264423A1
    • 2010-10-21
    • US12424726
    • 2009-04-16
    • Alan G. WoodTim Corbett
    • Alan G. WoodTim Corbett
    • H01L29/04H01L21/78H01L21/322H01L23/00H01L29/36
    • H01L21/22H01L21/268H01L21/3221H01L21/78H01L23/562H01L2924/0002H01L2924/00
    • A method for fabricating semiconductor components includes the steps of providing a semiconductor substrate having a circuit side, a back side and integrated circuits and circuitry on the circuit side; thinning the substrate from the back side to a selected thickness; laser processing the back side of the thinned substrate to form at least one lasered feature on the back side; and dicing the substrate into a plurality of components having the lasered feature. The lasered feature can cover the entire back side or only selected areas of the back side, and can be configured to change electrical properties, mechanical properties or gettering properties of the substrate. A semiconductor component includes a thinned semiconductor substrate having a back side and a circuit side containing integrated circuits and associated circuitry. The semiconductor component also includes at least one lasered feature on the back side configured to provide selected electrical or physical characteristics for the substrate.
    • 一种制造半导体元件的方法包括以下步骤:在电路侧提供具有电路侧,背面和集成电路和电路的半导体衬底; 将基板从背面变薄至选定的厚度; 激光处理薄化基板的背面以在背侧上形成至少一个激光特征; 并将衬底切割成具有激光特征的多个部件。 激光特征可以覆盖整个背面或仅覆盖背面的选定区域,并且可以被配置为改变基板的电性能,机械特性或吸气性能。 半导体部件包括具有背侧和包含集成电路和相关电路的电路侧的变薄的半导体衬底。 所述半导体部件还包括在所述背侧上的至少一个激光器件,被配置为为所述衬底提供选定的电学或物理特性。