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    • 5. 发明授权
    • Dry etching methods
    • 干蚀刻方法
    • US07368396B2
    • 2008-05-06
    • US11173395
    • 2005-07-01
    • James M. MrvosGirish S. PatilKarthik Vaideeswaran
    • James M. MrvosGirish S. PatilKarthik Vaideeswaran
    • H01L21/302H01L21/461
    • B81C1/00531B81C2201/0132H01J37/321H01L21/30655H01L21/3081
    • A process for etching semiconductor substrates using a deep reactive ion etching process to produce through holes or slots (referred to collectively as “slots”) in the substrates. The process includes applying a first layer to a first surface of substrate to provide an etch mask material layer on the first surface of the substrate. A second layer is applied to a second surface of the substrate to provide an etch stop material layer on the second surface of the substrate. The first layer and the second layer have similar solubilities in one or more organic solvents. The substrate is etched from the first surface of the wafers to provide a slot in the substrate. After etching the substrate, the etch mask material layer and the etch stop material layer are removed by contacting the first surface and the second surface of the substrate with a single organic solvent.
    • 使用深反应离子蚀刻工艺蚀刻半导体衬底以在衬底中产生通孔或槽(统称为“槽”)的工艺。 该方法包括将第一层施加到衬底的第一表面以在衬底的第一表面上提供蚀刻掩模材料层。 将第二层施加到衬底的第二表面,以在衬底的第二表面上提供蚀刻停止材料层。 第一层和第二层在一种或多种有机溶剂中具有类似的溶解度。 从晶片的第一表面蚀刻衬底以在衬底中提供槽。 在蚀刻基板之后,通过用单一有机溶剂接触基板的第一表面和第二表面来去除蚀刻掩模材料层和蚀刻停止材料层。
    • 7. 发明授权
    • Methods of deep reactive ion etching
    • 深反应离子蚀刻方法
    • US07560039B2
    • 2009-07-14
    • US10938009
    • 2004-09-10
    • John W. KrawczykAndrew L. McNeesJames M. Mrvos
    • John W. KrawczykAndrew L. McNeesJames M. Mrvos
    • B41J2/16
    • B41J2/1631B41J2/1603B41J2/1628
    • A method of substantially simultaneously forming at least two fluid supply slots through a thickness of semiconductor substrate from a first surface to a second surface thereof. The method includes the steps of applying a photoresist layer to the first surface of the semiconductor substrate. The photoresist layer is patterned and developed using a gray scale mask for a first fluid supply slot. The semiconductor substrate is then reactive ion etched, to form the at least two fluid supply slots through the thickness of the substrate. The first fluid supply slot is substantially wider than the second fluid supply slot, and the first and second fluid supply slots are etched through the substrate at substantially the same rate.
    • 一种从其第一表面到第二表面基本上同时形成通过半导体衬底的厚度的至少两个流体供给槽的方法。 该方法包括以下步骤:将光致抗蚀剂层施加到半导体衬底的第一表面。 使用用于第一流体供应槽的灰度掩模对光致抗蚀剂层进行图案化和显影。 然后对半导体衬底进行反应离子蚀刻,以形成通过衬底厚度的至少两个流体供给槽。 第一流体供应槽基本上比第二流体供应槽宽,并且第一和第二流体供应槽以基本上相同的速率被蚀刻穿过基板。