公开(公告)号：US09708136B2

公开(公告)日：2017-07-18

申请号：US13231124

申请日：2011-09-13

申请人： Gautam Narendra Kudva ,  Weiwei Luo ,  Yoshihiro Nakamura ,  Tetsuzou Yamada

发明人： Gautam Narendra Kudva ,  Weiwei Luo ,  Yoshihiro Nakamura ,  Tetsuzou Yamada

IPC分类号： B65G45/22 ,  C03B35/24 ,  B65G49/06

CPC分类号： B65G49/063 ,  B65G2249/02 ,  B65G2249/04

摘要： Non-contact, liquid-ejecting bearings (3) are provided for conveying flexible glass sheets (13), such as LCD substrates, at high conveyance speeds, e.g., speeds of 15 meters/minute and above. The operating parameters and physical properties of the bearings satisfy at least one of the following conditions: (a) the average flow rate from the bearing's orifices (22) is in the range of 100-800 milliliters/minute/orifice; (b) the orifices' average horizontal pitch (P) is in the range of 20-55 millimeters; and/or (c) the orifices' average size (e.g., D0) is in the range of 1.0-4.5 millimeters. The bearings (3) can reduce the time-averaged, peak-to-peak variation in the spacing between a LCD substrate (13) traveling at 15 meters/minute and the face (20) of the bearing (3) to less than 100 microns, thus reducing the chances that the bearing (3) will lose control of the substrate (13) or that the substrate (13) will hit the bearing (3).

公开(公告)号：US09120700B2

公开(公告)日：2015-09-01

申请号：US12732597

申请日：2010-03-26

申请人： Gautam Narendra Kudva ,  Chih Yuan Lu ,  Weiwei Luo ,  Yoshihiro Nakamura ,  Tetsuzou Yamada

发明人： Gautam Narendra Kudva ,  Chih Yuan Lu ,  Weiwei Luo ,  Yoshihiro Nakamura ,  Tetsuzou Yamada

IPC分类号： B32B3/00 ,  C03C15/00

CPC分类号： C03C15/00 ,  Y10T428/24355

摘要： Methods and apparatus are disclosed for etching flexible glass sheets (13) in which the sheets (13) are transported in a vertical or near vertical orientation past non-contact, liquid-ejecting bearings (3) which apply an etching solution (e.g., an aqueous NaF/H3PO4 solution) to one or both sides of the sheets (13). In certain embodiments, the uppermost liquid-ejecting bearing (3) is above the top edge of the sheet (13) and thus is able to apply etching solution to the top of the sheet. In other embodiments, a top shower (11), which includes a set of spray nozzles (21) located above and distributed along the length of the apparatus, is used to apply etching solution to the top of the sheet (13). Using the disclosed methods and apparatus, glass sheets (13) produced by a fusion process are provided which have areas greater than five square meters and average surface roughness values in the range of 0.5 nanometers to 1.1 nanometers.

摘要翻译： 公开了用于蚀刻柔性玻璃板（13）的方法和装置，其中片材（13）以垂直或接近垂直取向通过非接触式液体喷射轴承（3）输送，该轴承（3）施加蚀刻溶液（例如， NaF / H 3 PO 4水溶液）到片材（13）的一侧或两侧。 在某些实施例中，最上面的液体喷射轴承（3）在片材（13）的顶部边缘之上，因此能够将蚀刻溶液施加到片材的顶部。 在其它实施例中，使用顶部喷淋器（11），其包括位于设备上方并沿着设备长度分布的一组喷嘴（21），以将蚀刻溶液施加到片材（13）的顶部。 使用所公开的方法和装置，提供了通过熔融方法生产的玻璃板（13），其具有大于5平方米的面积，并且在0.5纳米至1.1纳米的范围内的平均表面粗糙度值。

公开(公告)号：US08511461B2

公开(公告)日：2013-08-20

申请号：US12465859

申请日：2009-05-14

申请人： Gautam Narendra Kudva ,  Weiwei Luo

发明人： Gautam Narendra Kudva ,  Weiwei Luo

IPC分类号： B65G45/22 ,  C03B35/24

CPC分类号： C03B35/24 ,  B65G49/061 ,  B65G49/062 ,  B65G49/063 ,  F16C32/0603 ,  H01L21/67712 ,  H01L21/67721

摘要： Non-contact, gas-ejecting bearings (3) are provided for conveying flexible glass sheets (13), such as LCD substrates, at high conveyance speeds, e.g., speeds of 40 meters/minute and above, e.g., 60 meters/minute. Gas is provided to the bearing's orifices (22) from a plenum which operates at a pressure Pplenum and the bearings have a calculated static pressure Pmidpoint at the midpoints (27) between the bearing's centermost orifice (26) and each of its nearest neighbors (28) in a horizontal direction which satisfies the relationship Pmidpoint/Pplenum≧0.05. The bearings (3) can reduce the time-averaged, peak-to-peak variation in the spacing between a LCD substrate (13) traveling at, for example, 60 meters/minute and the face (20) of the bearing (3) to less than 500 microns, thus reducing the chances that the substrate (13) will hit and be damaged by the bearing (3).

摘要翻译： 提供非接触式气体喷射轴承（3），以高输送速度（例如40米/分钟以上，例如60米/分钟）的速度传送诸如LCD基板的柔性玻璃板（13）。 气体从在压力Pplenum上工作的增压室提供给轴承的孔口（22），并且轴承在轴承的最中心孔口（26）和其最近的邻近件（28）之间的中点（27）处具有计算的静态压力Pmidpoint ）满足关系Pmidpoint / Pplenum> = 0.05的水平方向。 轴承（3）可以减少以例如60米/分钟行进的LCD基板（13）与轴承（3）的表面（20）之间的间隔的时间平均，峰 - 峰变化， 到小于500微米，从而减少了衬底（13）将被轴承（3）撞击并损坏的机会。

公开(公告)号：US20120048905A1

公开(公告)日：2012-03-01

申请号：US12942124

申请日：2010-11-09

申请人： Gautam Narendra Kudva ,  Liming Wang ,  Wei Xu ,  Naiyue Zhou

发明人： Gautam Narendra Kudva ,  Liming Wang ,  Wei Xu ,  Naiyue Zhou

IPC分类号： B26F3/00

CPC分类号： B26F3/002 ,  C03B33/0215 ,  C03B33/033 ,  C03B33/037 ,  Y02P40/57 ,  Y10T225/12 ,  Y10T225/321 ,  Y10T225/325

摘要： Apparatus and equipment for making glass sheet from a glass ribbon including scoring, bending and separation in vertical state with improved glass ribbon stability provided by edge restrainers located above the score-line that also travel with substantially the same vertical velocity with the elastic ribbon. The edge restrainers on both sides of the glass ribbon serve to limit the motion and perturbation of the ribbon during scoring, bending and separation, advantageously by tensioning the glass ribbon where needed. The invention can reduce disturbance of the glass ribbon in upstream visco-elastic and/or viscous zones due to scoring, bending and separation, therefore enhance forming process stability and product attributes such as thickness variation, stress and stress variation, and the like. The invention can be particularly advantageous for making glass sheet with large width and/or low thickness using the fusion down-draw, slot down-draw, re-draw down-draw, and other down-draw processes.

摘要翻译： 用于从玻璃带制造玻璃板的设备和设备，其包括在垂直状态下的刻划，弯曲和分离，并且由位于分数线之上的边缘限制器提供改进的玻璃带稳定性，其也以与弹性带基本上相同的垂直速度行进。 玻璃带两侧的边缘限制器有利于通过在需要时张紧玻璃带来限制色带在打样，弯曲和分离期间的运动和扰动。 本发明可以减轻由于刻痕，弯曲和分离而导致的上游粘弹性和/或粘性区域中的玻璃带的干扰，从而增强成形工艺的稳定性和产品属性，例如厚度变化，应力和应力变化等。 本发明可以特别有利于制造具有大的宽度和/或低厚度的玻璃板，其中使用熔融拉伸，槽下拉，再拉伸和其它下拉法。

公开(公告)号：US20110126593A1

公开(公告)日：2011-06-02

申请号：US12627326

申请日：2009-11-30

申请人： Rashid Abdul-Rahman ,  Gautam Narendra Kudva ,  Yukio Yuhara

发明人： Rashid Abdul-Rahman ,  Gautam Narendra Kudva ,  Yukio Yuhara

IPC分类号： C03B21/02

CPC分类号： C03B33/0215 ,  C03B33/033

摘要： A method of separating a moving glass ribbon to form an individual sheet of glass is disclosed comprising a plurality of nosing members that move in a direction and at a speed that the moving glass ribbon is moving. The nosing members can be positioned independently of each other, and can be positioned adjacent to but not in contact with the ribbon during the scoring operation to restrict out-of-plane movement of the glass ribbon (movement substantially transverse to the draw direction of the ribbon) during the separation phase of the process.

摘要翻译： 公开了一种分离移动的玻璃带以形成单独的玻璃板的方法，包括沿移动的玻璃带移动的方向和速度移动的多个定位构件。 定位构件可以彼此独立地定位，并且可以在刻痕操作期间定位成与色带相邻但不与色带接触，以限制玻璃带的平面外运动（基本上横向于玻璃带的拉伸方向 丝带）在过程的分离阶段。

公开(公告)号：US20080202167A1

公开(公告)日：2008-08-28

申请号：US12070585

申请日：2008-02-20

申请人： Nicholas Dominic Cavallaro ,  Zung-Sing Chang ,  Gautam Narendra Kudva ,  Toshihiko Ono ,  Ljerka Ukrainczyk ,  Sam Samer Zoubi

发明人： Nicholas Dominic Cavallaro ,  Zung-Sing Chang ,  Gautam Narendra Kudva ,  Toshihiko Ono ,  Ljerka Ukrainczyk ,  Sam Samer Zoubi

IPC分类号： C03B25/02 ,  C03B33/03 ,  B23K26/073 ,  B23K26/40

CPC分类号： B23K26/0736 ,  C03B25/025 ,  C03B29/025 ,  C03C23/0025 ,  Y02P40/57

摘要： A thermal edge finishing process includes preheating at least one cut edge of a glass sheet, laser finishing the edge to a single full continuous radius from a position orthogonal to the edge and in-plane with the glass sheet while continuing to heat the glass, and localized annealing of the edge to reduce residual stress from the laser/thermal treatment of the edge. By the present process, edge stress is reduced considerably, such as to less than 3000 psi, and more preferably to less than 2500 psi, and to as low as 1000 psi in the first 1 mm along the treated edge.

摘要翻译： 热边缘整理工艺包括预热玻璃板的至少一个切割边缘，激光将边缘激光从与玻璃板正交的边缘平行的位置到玻璃板的平面内，同时继续加热玻璃，以及 边缘的局部退火以减少来自激光的残余应力/边缘的热处理。 通过本方法，沿着处理的边缘，边缘应力显着降低，例如小于3000psi，更优选小于2500psi，并且在最初1mm内降低至低至1000psi。

公开(公告)号：US09315409B2

公开(公告)日：2016-04-19

申请号：US13305810

申请日：2011-11-29

申请人： James Gary Anderson ,  Steven Roy Burdette ,  Liam Ruan de Paor ,  L. Kirk Klingensmith ,  Gautam Narendra Kudva ,  Gary Graham Squier ,  David John Ulrich

发明人： James Gary Anderson ,  Steven Roy Burdette ,  Liam Ruan de Paor ,  L. Kirk Klingensmith ,  Gautam Narendra Kudva ,  Gary Graham Squier ,  David John Ulrich

IPC分类号： C03B17/06 ,  C03B13/00

CPC分类号： C03B17/068

摘要： A glass manufacturing apparatus comprises a forming device configured to produce a glass ribbon and a control device configured to independently operate a first pull roll apparatus and a second pull roll apparatus such that at least one of a first upstream pair of draw rolls rotates with a substantially constant torque and at least one of a first downstream pair of draw rolls rotates with a substantially constant angular velocity. In further examples, methods of manufacturing a glass ribbon are provided.

摘要翻译： 玻璃制造装置包括：成形装置，其被配置为制造玻璃带;以及控制装置，其被配置为独立地操作第一拉辊装置和第二拉辊装置，使得第一上游对牵引辊中的至少一个以基本上 恒定扭矩和第一下游对牵引辊中的至少一个以基本恒定的角速度旋转。 在其他实施例中，提供了制造玻璃带的方法。

公开(公告)号：US09038418B2

公开(公告)日：2015-05-26

申请号：US13626337

申请日：2012-09-25

申请人： Chris Scott Kogge ,  Gautam Narendra Kudva ,  Michael Yoshiya Nishimoto

发明人： Chris Scott Kogge ,  Gautam Narendra Kudva ,  Michael Yoshiya Nishimoto

IPC分类号： C03B17/06 ,  C03B17/04 ,  C03B33/02 ,  C03B33/037

CPC分类号： C03B17/068 ,  C03B17/064 ,  C03B33/0215 ,  C03B33/037 ,  G05B15/02 ,  Y02P40/57

摘要： Methods and apparatuses for managing pulling forces applied to a glass ribbon in a draw apparatus are disclosed. The method includes applying a front-side and a rear-side drive torque to a glass. The method further includes calculating automatically with the at least one electronic controller a front-side and a rear-side average pulling force applied to the glass ribbon and corresponding to a first time period of at least one rotation of the front-side or rear-side stub roller, respectively. The front-side average pulling force and the rear-side average pulling force are compared to establish a pulling force differential between the front-side average pulling force and the rear-side average pulling force. One or more of the front-side drive torque or the rear-side drive torque are modified to decrease the pulling force differential between the front-side average pulling force and the rear-side average pulling force.

摘要翻译： 公开了一种用于管理施加到牵引装置中的玻璃带的拉力的方法和装置。 该方法包括将前侧和后侧驱动扭矩施加到玻璃上。 所述方法还包括：使所述至少一个电子控制器自动计算施加到所述玻璃带的前侧和后侧的平均拉力，并且对应于所述前侧或后侧的至少一个旋转的第一时间段， 侧短针辊。 比较前侧平均拉力和后侧平均拉力，以建立前侧平均拉力与后侧平均拉力之间的拉力差。 前侧驱动扭矩或后侧驱动扭矩中的一个或多个被修改以减小前侧平均拉力和后侧平均拉力之间的拉力差。

公开(公告)号：US09027815B2

公开(公告)日：2015-05-12

申请号：US12942124

申请日：2010-11-09

申请人： Gautam Narendra Kudva ,  Liming Wang ,  Wei Xu ,  Naiyue Zhou

发明人： Gautam Narendra Kudva ,  Liming Wang ,  Wei Xu ,  Naiyue Zhou

IPC分类号： B26F3/00 ,  C03B33/02 ,  C03B33/033 ,  C03B33/037

CPC分类号： B26F3/002 ,  C03B33/0215 ,  C03B33/033 ,  C03B33/037 ,  Y02P40/57 ,  Y10T225/12 ,  Y10T225/321 ,  Y10T225/325

摘要： Apparatus and equipment for making glass sheet from a glass ribbon including scoring, bending and separation in vertical state with improved glass ribbon stability provided by edge restrainers located above the score-line that also travel with substantially the same vertical velocity with the elastic ribbon. The edge restrainers on both sides of the glass ribbon serve to limit the motion and perturbation of the ribbon during scoring, bending and separation, advantageously by tensioning the glass ribbon where needed. The invention can reduce disturbance of the glass ribbon in upstream visco-elastic and/or viscous zones due to scoring, bending and separation, therefore enhance forming process stability and product attributes such as thickness variation, stress and stress variation, and the like. The invention can be particularly advantageous for making glass sheet with large width and/or low thickness using the fusion down-draw, slot down-draw, re-draw down-draw, and other down-draw processes.

摘要翻译： 用于从玻璃带制造玻璃板的设备和设备，其包括在垂直状态下的刻划，弯曲和分离，并且由位于分数线之上的边缘限制器提供改进的玻璃带稳定性，其也以与弹性带基本上相同的垂直速度行进。 玻璃带两侧的边缘限制器有利于通过在需要时张紧玻璃带来限制色带在打样，弯曲和分离期间的运动和扰动。 本发明可以减轻由于刻痕，弯曲和分离而导致的上游粘弹性和/或粘性区域中的玻璃带的干扰，从而增强成形工艺的稳定性和产品属性，例如厚度变化，应力和应力变化等。 本发明可以特别有利于制造具有大的宽度和/或低厚度的玻璃板，其中使用熔融拉伸，槽下拉，再拉伸和其它下拉法。

公开(公告)号：US20130062312A1

公开(公告)日：2013-03-14

申请号：US13671883

申请日：2012-11-08

申请人： Gautam Narendra Kudva ,  Chih Yuan Lu ,  Weiwei Luo ,  Yoshihiro Nakamura ,  Tetsuzou Yamada

发明人： Gautam Narendra Kudva ,  Chih Yuan Lu ,  Weiwei Luo ,  Yoshihiro Nakamura ,  Tetsuzou Yamada

IPC分类号： C03C15/00

CPC分类号： C03C15/00 ,  Y10T428/24355

摘要： Methods and apparatus are disclosed for etching flexible glass sheets (13) in which the sheets (13) are transported in a near vertical orientation past non-contact, liquid-ejecting bearings (3) which apply an etching solution (e.g., an aqueous NaF/H3PO4 solution) to the sheets (13). In certain embodiments, the uppermost liquid-ejecting bearing (3) is above the top edge of the sheet (13) and thus is able to apply etching solution to the top of the sheet. In other embodiments, a top shower (11), which includes a set of spray nozzles (21) located above and distributed along the length of the apparatus, is used to apply etching solution to the top of the sheet (13). Using the disclosed methods and apparatus, glass sheets (13) produced by a fusion process are provided which have areas greater than five square meters and average surface roughness values in the range of 0.5 nanometers to 1.1 nanometers.

摘要翻译： 公开了用于蚀刻柔性玻璃板（13）的方法和装置，其中片材（13）以接近垂直的方向输送通过非接触的液体喷射轴承（3），该轴承（3）施加蚀刻溶液（例如，NaF / H 3 PO 4溶液）。 在某些实施例中，最上面的液体喷射轴承（3）在片材（13）的顶部边缘之上，因此能够将蚀刻溶液施加到片材的顶部。 在其它实施例中，使用顶部喷淋器（11），其包括位于设备上方并沿着设备长度分布的一组喷嘴（21），以将蚀刻溶液施加到片材（13）的顶部。 使用所公开的方法和装置，提供了通过熔融方法生产的玻璃板（13），其具有大于5平方米的面积，并且在0.5纳米至1.1纳米的范围内的平均表面粗糙度值。