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    • 7. 发明申请
    • POLISHING PAD WITH POROUS ELEMENTS AND METHOD OF MAKING AND USING THE SAME
    • 具有多孔元件的抛光垫及其制造和使用方法
    • WO2009158665A1
    • 2009-12-30
    • PCT/US2009/048940
    • 2009-06-26
    • 3M INNOVATIVE PROPERTIES COMPANYJOSEPH, William, D.
    • JOSEPH, William, D.
    • B24B37/04B24D13/14
    • B24B37/042B24B37/26B24D18/0009
    • The disclosure is directed to polishing pads with porous polishing elements, and to methods of making and using such pads in a polishing process. In one exemplary embodiment, the polishing pad includes a multiplicity of polishing elements, at least some of which are porous, each polishing element affixed to a support layer so as to restrict lateral movement of the polishing elements with respect to one or more of the other polishing elements, but remaining moveable in an axis normal to a polishing surface of the polishing elements. In certain embodiments, the polishing pad may include a guide plate positioned to arrange and optionally affix the plurality of polishing elements on the support layer, and additionally, a polishing composition distribution layer. In some embodiments, the pores are distributed throughout substantially the entire porous polishing element. In other embodiments, the pores are distributed substantially at the polishing surface of the elements.
    • 本发明涉及具有多孔抛光元件的抛光垫,以及在抛光过程中制造和使用这种垫的方法。 在一个示例性实施例中,抛光垫包括多个抛光元件,至少其中一些抛光元件是多孔的,每个抛光元件固定在支撑层上,以便限制抛光元件相对于其它一个或多个的横向运动 抛光元件,但在与抛光元件的抛光表面垂直的轴上保持移动。 在某些实施例中,抛光垫可以包括定位成布置和可选地将多个抛光元件固定在支撑层上的引导板,另外还包括抛光组合物分布层。 在一些实施方案中,孔分布在基本上整个多孔抛光元件的整个部分。 在其它实施例中,孔基本上分布在元件的抛光表面上。
    • 9. 发明申请
    • POLISHING PAD AND METHOD OF MAKING THE SAME
    • 抛光垫及其制造方法
    • WO2011087737A3
    • 2011-09-15
    • PCT/US2010061199
    • 2010-12-20
    • 3M INNOVATIVE PROPERTIES COLI NAICHAOJOSEPH WILLIAM D
    • LI NAICHAOJOSEPH WILLIAM D
    • B24D3/28B24D3/34
    • B24D3/28B24D3/344
    • The disclosure is directed to polishing pads with porous polishing layers, methods of making such polishing pads, and methods of using such pads in a polishing process. The polishing pad includes a compliant layer having first and second opposing sides and a porous polishing layer disposed on the first side of the compliant layer. The porous polishing layer includes a crosslinked network comprising a thermally cured component and a radiation cured component, wherein the radiation cured component and the thermally cured component are covalently bonded in the crosslinked network. The porous polishing layer also includes polymer particles dispersed within the crosslinked network, wherein the polymer particles comprise at least one of thermoplastic polymers or thermoset polymers. The porous polishing layer typically also includes closed cell pores dispersed within the crosslinked network.
    • 本发明涉及具有多孔抛光层的抛光垫,制造这种抛光垫的方法,以及在抛光过程中使用这种垫的方法。 抛光垫包括具有第一和第二相对侧的柔顺层和设置在顺应层的第一侧上的多孔抛光层。 多孔抛光层包括包含热固化组分和辐射固化组分的交联网络,其中辐射固化组分和热固化组分共价键合在交联网络中。 多孔抛光层还包括分散在交联网络内的聚合物颗粒,其中聚合物颗粒包含热塑性聚合物或热固性聚合物中的至少一种。 多孔抛光层通常还包括分散在交联网络内的闭孔细孔。
    • 10. 发明申请
    • POLISHING PAD AND METHOD OF MAKING THE SAME
    • 抛光垫及其制造方法
    • WO2011087737A2
    • 2011-07-21
    • PCT/US2010/061199
    • 2010-12-20
    • 3M INNOVATIVE PROPERTIES COMPANYLI, NaichaoJOSEPH, William D.
    • LI, NaichaoJOSEPH, William D.
    • B24D3/28B24D3/344
    • The disclosure is directed to polishing pads with porous polishing layers, methods of making such polishing pads, and methods of using such pads in a polishing process. The polishing pad includes a compliant layer having first and second opposing sides and a porous polishing layer disposed on the first side of the compliant layer. The porous polishing layer includes a crosslinked network comprising a thermally cured component and a radiation cured component, wherein the radiation cured component and the thermally cured component are covalently bonded in the crosslinked network. The porous polishing layer also includes polymer particles dispersed within the crosslinked network, wherein the polymer particles comprise at least one of thermoplastic polymers or thermoset polymers. The porous polishing layer typically also includes closed cell pores dispersed within the crosslinked network.
    • 本公开涉及具有多孔抛光层的抛光垫,制造这种抛光垫的方法以及在抛光工艺中使用这种垫的方法。 抛光垫包括具有第一和第二相对侧面的柔性层以及设置在柔性层的第一侧上的多孔抛光层。 多孔抛光层包括含有热固化组分和辐射固化组分的交联网络,其中辐射固化组分和热固化组分共价键合在交联网络中。 多孔抛光层还包括分散在交联网络内的聚合物颗粒,其中聚合物颗粒包含热塑性聚合物或热固性聚合物中的至少一种。 多孔抛光层通常还包括分散在交联网络内的闭孔气孔。