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    • 14. 发明申请
    • Method for making textured multilayer optical films
    • 制作纹理多层光学薄膜的方法
    • US20050110175A1
    • 2005-05-26
    • US10973034
    • 2004-10-25
    • Carl Stover
    • Carl Stover
    • B29C47/70B29D11/00
    • B29C48/71B29C48/08B29C48/21B29C48/22B29C48/255B29C48/49Y10T428/24942
    • Methods and apparatuses are provided for the manufacture of coextruded polymeric multilayer optical films. The multilayer optical films have an ordered arrangement of layers of two or more materials having particular layer thicknesses and a prescribed layer thickness gradient throughout the multilayer optical stack. The methods and apparatuses described allow improved control over individual layer thicknesses, layer thickness gradients, indices of refraction, interlayer adhesion, and surface characteristics of the optical films. The methods and apparatuses described are useful for making interference polarizers, mirrors, and colored films that are optically effective over diverse portions of the ultraviolet, visible, and infrared spectra.
    • 提供了用于制造共挤出聚合物多层光学膜的方法和装置。 所述多层光学膜具有层叠的两层或多层具有特定层厚度和规定的层厚度梯度的多层光学叠层的层序排列。 所描述的方法和装置允许改进对单个层厚度,层厚度梯度,折射率,层间粘合和光学膜的表面特性的控制。 所描述的方法和装置可用于制造在紫外线,可见光和红外光谱的不同部分上光学有效的干涉偏振器,反射镜和着色膜。
    • 18. 发明授权
    • Numeric indicia blank for forming signs
    • 数字标记空白形成标志
    • US5621993A
    • 1997-04-22
    • US547312
    • 1995-10-24
    • Carl Stover
    • Carl Stover
    • G09F7/12G09F7/04
    • G09F7/12
    • A sheet material blank preformed to a standardized dimension and configuration for forming the digits zero through nine for signs. The preferred embodiment of the blank is made from an opaque, flexible sheet material having pressure sensitive adhesive applied to the backside and a release liner. The key feature of the blank is its rectangular outer dimension and two rectangular apertures of equal area centered within said outer dimension so as to define a pair of elongated legs of equal width integrally bridged by three horizontal elongated members of a width equal to the width of said pair of legs. The blank thus defines a figure having parallel and linear edges resembling the digit eight. The second key feature of the blank is linear indicia provided on the release liner which aids the consumer in creating the desired digits from the blank. Predetermined rectangular areas are designated on each of the elongated legs and elongated horizontal members whereby a rectangular area may be selectively removed by making a cut along a pair of the linear indicia to form a digit different from the blank. Alternately, the rectangular outer dimensions and the rectangular apertures can have round corners.
    • 片材坯料预成型为标准尺寸和构型,用于形成数字零至九的符号。 坯料的优选实施例由具有施加到背面的压敏粘合剂的不透明柔性片材和剥离衬垫制成。 坯件的关键特征是其矩形外部尺寸和两个相等面积的中心在所述外部尺寸内的矩形孔,以便限定一对相等宽度的细长支腿,该长条状的整体由三个水平细长构件桥接,宽度等于 说双腿 因此,空白限定了具有类似于数字八的平行和直线边缘的图形。 空白的第二个关键特征是在释放衬垫上提供的线性标记,有助于消费者从空白中创建所需的数字。 在每个细长腿和细长水平构件上指定预定的矩形区域,由此通过沿着一对线性标记进行切割可以选择性地去除矩形区域,以形成与坯件不同的数字。 或者,矩形外部尺寸和矩形孔可以具有圆角。