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    • 11. 发明申请
    • ROLLING MILL LAYING HEAD
    • 滚筒铣床
    • WO2014042926A1
    • 2014-03-20
    • PCT/US2013/057993
    • 2013-09-04
    • SIEMENS INDUSTRY, INC.SHEN, WilliamZHANG, Peiliang P.ZHANG, Jianping
    • SHEN, WilliamZHANG, Peiliang P.ZHANG, Jianping
    • B21C47/14
    • B21C47/143
    • A laying head for forming an axially moving hot rolled product into a helical series of rings comprises a quill rotatable about an axis, with a tubular body journalled for rotation between axially spaced bearings, and a nose (36)projecting axially and forwardly from its tubular body. A product guide is carried by the quill. The product guide is configured to form the product into a helical series of rings. A guide trough (50) provides a helical extension of the product guide. Major portions of the product guide and the guide trough are carried on a continuous helical support (42) on the nose of the quill. The guide trough is channel shaped, with a continuous bottom defining the rim of the helical support, and with segmented detachable side walls.
    • 用于将轴向移动的热轧产品形成为螺旋系列环的铺设头包括可围绕轴线旋转的套筒,其具有在轴向间隔开的轴承之间旋转的管状体和从其管状轴向和向前突出的鼻部(36) 身体。 产品指南由羽毛笔承载。 产品指南被配置成将产品形成为螺旋系列的环。 引导槽(50)提供产品引导件的螺旋延伸。 产品导向件和导向槽的主要部分承载在套筒鼻部上的连续的螺旋支架(42)上。 引导槽是通道形状,具有限定螺旋形支撑件的边缘的连续底部以及分段的可拆卸侧壁。
    • 19. 发明申请
    • NITRIDE-BASED LIGHT EMITTING HETEROSTRUCTURE
    • 基于氮化物的发光结构
    • WO2006062880A2
    • 2006-06-15
    • PCT/US2005/043866
    • 2005-12-05
    • SENSOR ELECTRONIC TECHNOLOGY, INC.GASKA, RemigijusZHANG, JianpingSHUR, Michael
    • GASKA, RemigijusZHANG, JianpingSHUR, Michael
    • H01L31/109
    • H01L33/06B82Y20/00H01L33/32H01S5/105H01S5/2009H01S5/3216H01S5/3407H01S5/3415H01S5/34333H01S5/34346
    • An improved nitride-based light emitting heterostructure is provided. The nitride-based light emitting heterostructure includes an electron supply layer and a hole supply layer with a light generating structure disposed there between. The light generating structure includes a set of barrier layers, each of which has a graded composition and a set of quantum wells, each of which adjoins at least one barrier layer. Additional features, such as a thickness of each quantum well, can be selected/incorporated into the heterostructure to improve one or more of its characteristics. Further, one or more additional layers that include a graded composition can be included in the heterostructure outside of the light generating structure. The graded composition layer(s) cause electrons to lose energy prior to entering a quantum well in the light generating structure, which enables the electrons to recombine with holes more efficiently in the quantum well.
    • 提供了一种改进的基于氮化物的发光异质结构。 氮化物系发光异质结构包括电子供给层和在其间设置有发光结构的空穴供给层。 光产生结构包括一组阻挡层,每个阻挡层具有梯度组成和一组量子阱,每个量子阱邻接至少一个势垒层。 诸如每个量子阱的厚度的其它特征可以被选择/并入到异质结构中以改善其一个或多个特性。 此外,包括渐变组合物的一个或多个附加层可以包含在发光结构外部的异质结构中。 渐变组分层在光生成结构中进入量子阱之前导致电子失去能量,这使得电子能够在量子阱中更有效地与空穴重新结合。