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    • 9. 发明专利
    • High selectivity, low damage electron-beam delineation etch
    • 高选择性,低损耗电子束分离蚀刻
    • JP2010192893A
    • 2010-09-02
    • JP2010018014
    • 2010-01-29
    • Fei Coエフ・イ−・アイ・カンパニー
    • RANDOLPH STEVENCHANDLER CLIVE D
    • H01L21/66H01L21/302
    • H01L21/306H01L21/3065H01L21/31116H01L21/32137
    • PROBLEM TO BE SOLVED: To provide a method and device for selectively etching a substrate using a focused beam.
      SOLUTION: At step 102, the substrate having at least two types of materials is prepared. The substrate is a silicon wafer on which an integrated circuit is manufactured thereon, and the substrate further includes a trench cut by a focused ion beam, in order to expose a partial section of the integrated circuit. In step 104, flux of etching agent precursor gas is supplied to a partial portion of a substrate surface to be etched. In step 106, flux of etching suppression precursor gas is supplied to the substrate surface. In step 108, a focused beam, such as an electron beam, is guided toward the substrate on a region including at least two types of materials. A combination of the etching precursor gas, etching suppression gas, and focused beam selectively etches a first material, as compared to a second material.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种使用聚焦光束来选择性地蚀刻衬底的方法和装置。 解决方案:在步骤102中,制备具有至少两种类型材料的基材。 衬底是在其上制造集成电路的硅晶片,并且衬底还包括被聚焦离子束切割的沟槽,以便露出集成电路的部分部分。 在步骤104中,将蚀刻剂前体气体的通量供给到待蚀刻的基板表面的部分部分。 在步骤106中,蚀刻抑制前体气体的通量被供给到基板表面。 在步骤108中,诸如电子束的聚焦光束在包括至少两种类型的材料的区域上被引向衬底。 与第二材料相比,蚀刻前体气体,蚀刻抑制气体和聚焦光束的组合选择性地蚀刻第一材料。 版权所有(C)2010,JPO&INPIT
    • 10. 发明专利
    • Local plasma treatment
    • 本地等离子体处理
    • JP2006066398A
    • 2006-03-09
    • JP2005246402
    • 2005-08-26
    • Fei Coエフ・イ−・アイ・カンパニー
    • CHANDLER CLIVE DSMITH NOEL
    • H05H1/46C23C16/48H01J37/32H01L21/302H05H1/24
    • H01J37/32366B81C1/00531C23C16/047C23C16/345C23C16/401C23F4/00H01J37/32357
    • PROBLEM TO BE SOLVED: To provide a local treatment method which has a relatively high treatment speed and minimizes unintended damage of a substrate. SOLUTION: The method improves the treatment speed and reduces damage of a workpiece in comparison with charged particle vapor deposition and etching. A plasma jet outputs from a plasma generation chamber to activate a reaction gas. Jets of the plasma and the reaction gas impact the workpiece to treat them. Since the plasma and ions in the reaction gas enables having low kinetic energy, surface damage hardly occurs. This is useful for a vapor deposition process. When a material is desired to be etched, the etching can be increased by increasing the energy of the reaction gas. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供具有相对较高处理速度并最小化衬底的意外损坏的局部处理方法。 解决方案:与带电粒子气相沉积和蚀刻相比,该方法提高了处理速度并减少了工件的损伤。 等离子体射流从等离子体发生室输出以激活反应气体。 等离子体和反应气体的喷射冲击工件以对待它们。 由于反应气体中的等离子体和离子能够具有低的动能,所以几乎不发生表面损伤。 这对于气相沉积工艺是有用的。 当需要蚀刻材料时,可以通过增加反应气体的能量来增加蚀刻。 版权所有(C)2006,JPO&NCIPI