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    • 1. 发明申请
    • Method and system for correcting web deformation during a roll-to-roll process
    • 卷对卷过程中纸幅变形矫正的方法和系统
    • US20050087578A1
    • 2005-04-28
    • US10692973
    • 2003-10-23
    • Warren Jackson
    • Warren Jackson
    • H01L21/027D06H3/12G01N21/89G01N21/898G03F7/20G03F9/00H01L21/00B65H23/032
    • G03F7/7035D06H3/12D06H3/125G01N21/8903G01N21/898G03F7/70791G03F9/7003H01L21/67288
    • The present invention includes a method and system for correcting web deformation during a roll-to-roll process. The present invention includes controllable mechanical components that are capable of dynamically adjusting the planarity of the web during the roll-to-roll process. By adjusting the web during the roll-to-roll process, the accuracy of the layer-to layer alignment of successive patterning steps is greatly increased thereby enabling the production of electronic structures with lower overlap capacitance and higher resolution. A first aspect of the present invention is a method for correcting web deformation during a roll-to-roll process. The method includes initiating a roll-to-roll process involving a flexible web substrate, detecting deformation in the flexible web substrate during the roll-to-roll process and dynamically aligning the flexible web substrate based on the detected deformation.
    • 本发明包括一种用于在卷对卷过程中校正卷材变形的方法和系统。 本发明包括可控制的机械部件,其能够在卷对卷过程中动态地调整卷材的平面度。 通过在卷对卷过程中调整幅材,连续图案化步骤的层间对准的精度大大提高,从而能够生产具有较低重叠电容和较高分辨率的电子结构。 本发明的第一方面是一种在卷对卷过程中校正卷材变形的方法。 该方法包括启动涉及柔性幅材基材的卷对卷过程,检测在卷对卷过程中的柔性幅材基材中的变形并基于检测到的变形来动态地对准柔性幅材基板。
    • 4. 发明授权
    • Weft straightener
    • WEFT STRAIGHTENER
    • US5142751A
    • 1992-09-01
    • US672912
    • 1991-03-21
    • Shozi Senba
    • Shozi Senba
    • D03D49/20D06C3/06D06H3/12
    • D06H3/12D06C3/06
    • In a weft straightener having a machine frame (10); a pair of wheels (18) for holding each selvedge of a cloth (1) on the outer periphery (19) of each wheel (18); wheel supporting means (11 to 14, 16, 20) for keeping each wheel (18) rotatably, inclinably and widthwise-movably on each side of the machine frame (10); wheel inclination adjusting means (15, 31 to 36) for adjusting each wheel (18) to a desired inclination angle; and wheel position adjusting means (51 to 55) for adjusting each wheel (18) to a desired position in the widthwise direction; whereby the difference of rotation speed of both wheels (18) is made while the cloth (1) is travelling with its each selvedge held on the outer periphery (19) of each wheel (18) so that the skewed or bowed weft of the cloth (1) may be straightened, the improvement comprises a drum means (66, 67) mounted inclinably and projectingly on the inside of each wheel (18); drum supporting means (61, 65) for keeping each drum means (66, 67) rotatably and substantially in the widthwise direction on each side of the machine frame (10); and drum rotating means (63) for enabling each drum means (66, 67) to rotate interlocking with each wheel (18).
    • 9. 发明授权
    • Variable angle optical sensing system for determining the orientation of
weft threads
    • 用于确定纬纱方向的可变角度光学感测系统
    • US4414476A
    • 1983-11-08
    • US275203
    • 1981-06-19
    • Edward L. MaddoxThomas E. Pitts
    • Edward L. MaddoxThomas E. Pitts
    • D06H3/12G01B11/26G01N21/88
    • D06H3/125G01B11/26
    • An optical sensing system that detects the angular orientation of weft threads in a moving web of a textile has a sensor array that receives light transmitted through the web from a light source. The sensor array is preferably a single monolithic chip that includes a radial pattern of photosensitive areas that each generate an electrical signal proportional to the total intensity of the light incident on the area. The areas are elongated and narrow so the moving shadow of a weft thread passing over the area will modulate the output signal. The modulation is strongest when the thread is generally aligned with the area. Electronic circuitry generates a DC signal associated with each area that is proportional both to the magnitude and frequency of the modulation of the signal. The circuitry also compares these signals, selects the largest one, and generates an analog output voltage characteristic of the area associated with the largest signal. The circuitry optionally further includes a feedback circuit responsive to the selected maximum signal which controls a variable power supply for the light source and a switched gain amplifier responsive to extremes of light source voltage level. A mounting system provides a coordinated rotation of the light source and the sensor array to vary the angle of incidence of the light beam on the web.
    • 检测织物的移动纤维网中的纬纱的角度取向的光学感测系统具有传感器阵列,其从光源接收通过幅材传输的光。 传感器阵列优选地是单个单片芯片,其包括感光区域的径向图案,其各自产生与入射在该区域上的光的总强度成比例的电信号。 这些区域是细长而窄的,因此通过该区域的纬纱的移动阴影将调制输出信号。 当螺纹通常与该区域对齐时,调制是最强的。 电子电路产生与每个区域相关联的DC信号,其与信号的调制的幅度和频率成比例。 电路还比较这些信号,选择最大的信号,并产生与最大信号相关联的区域的模拟输出电压特性。 所述电路还可包括响应于所选择的最大信号的反馈电路,所述最大信号控制光源的可变电源,以及响应于光源电压电平极限的开关增益放大器。 安装系统提供光源和传感器阵列的协调旋转,以改变光束在卷筒纸上的入射角度。