PDC BIT HAVING SPLIT BLADES
    4.
    发明申请
    PDC BIT HAVING SPLIT BLADES 审中-公开
    具有分割刀片的PDC位

    公开(公告)号:US20100018780A1

    公开(公告)日:2010-01-28

    申请号:US12507730

    申请日:2009-07-22

    IPC分类号: E21B10/43 E21B10/42

    CPC分类号: E21B10/55

    摘要: A drill bit for drilling a borehole in a formation, the drill bit including a bit body having a bit face including a cone region, a nose region, a shoulder region, and a gage region, at least one disjointed blade disposed on the bit face, the disjointed blade including a first section beginning proximate a central axis of the bit and extending less than full gage, and a second section beginning a selected distance from the central axis and extending to full gage, and a plurality of cutting elements mounted on the at least one disjointed blade is disclosed.

    摘要翻译: 一种用于在地层中钻孔的钻头,所述钻头包括具有包括锥形区域,鼻部区域,肩部区域和计量区域的钻头面的钻头体,设置在钻头面上的至少一个不相交刀片 ,所述不相交的刀片包括从所述钻头的中心轴线附近开始并且延伸小于全量具的第一部分,以及从所述中心轴线开始延伸到全量具的选定距离的第二部分,以及安装在所述切割元件上的多个切割元件 公开了至少一个不相交的叶片。

    Method of making thin film structures and compositions thereof
    5.
    发明授权
    Method of making thin film structures and compositions thereof 有权
    制备薄膜结构及其组合物的方法

    公开(公告)号:US08916234B2

    公开(公告)日:2014-12-23

    申请号:US12465845

    申请日:2009-05-14

    摘要: This invention is directed to a method of modifying the refractive index of multilayer thin films structure comprising high refractive and low refractive index layers, where the high refractive and low refractive index layers are of the same material, the method comprises a) depositing a first layer of film of a refractive index on a substrate; b) depositing a second layer of film having a different refractive index onto the first layer of film; and c) depositing a third layer of film having a different refractive index from the second layer of film onto the second layer of film, and compositions thereof. In certain embodiments, this multilayer thin film structure of this invention is directed to decorative applications.

    摘要翻译: 本发明涉及一种改变包括高折射率和低折射率层的多层薄膜结构的折射率的方法,其中高折射率和低折射率层是相同的材料,该方法包括:a)沉积第一层 的基材上的折射率膜; b)在第一层膜上沉积具有不同折射率的第二层膜; 以及c)将具有不同折射率的第三层膜从第二层膜沉积到第二层膜上,以及其组合物。 在某些实施方案中,本发明的该多层薄膜结构涉及装饰应用。