Corning Incorporated

Hung Cheng (Henry) Lu

Liming Wang

Naiyue Zhou

Wanda Janina Walczak

Wei Xu

James Robert Lim

Michael S Dobbins

Ruchirej Yongsunthon

Glass substrates and methods for forming glass substrates are disclosed. The glass substrates include a planar A-side surface having a surface roughness Raof less than 0.5 nm and a planar B-side having a surface roughness Rawherein the ratio Ra:Rais greater than or equal to about 1.5. A plurality of texturing features are formed in the B-side surface. The plurality of texturing features have a peak-to-valley height H such that 0.05 &#x3bc;m&#x2266;H&#x2266;3.75 &#x3bc;m. The texturing features are distributed in the B-side surface such that a center-to-center pitch P between adjacent texturing features is at least 1.5 mm in at least one direction. The plurality of texturing features are formed in the B-side surface while the glass substrate is at a temperature T, wherein 600&#xb0; C.&#x2266;T&#x2266;1200&#xb0; C. and a viscosity of the glass substrate is from greater than 150,000 Poise and less than 10Poise.

Glass substrates with strategically imprinted B-side features and methods for manufacturing the same

A process and apparatus for cutting a continuous glass ribbon involving the use of edge restrainers such as suction cups and clamps connected to an actuator of a robot tooling through a flexible linkage capable of reciprocal motion in the direction of the ribbon velocity. The use of the flexible linkage reduces peak pulling-force when the glass ribbon is pulled or pushed laterally to during bending and separation along a pre-formed score-line. The invention can be advantageously used in the bottom of the draw of a vertical down-draw forming process.

Method and apparatus for cutting glass ribbon

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Ithaca, NY, United States of America

Hung Cheng (Henry) Lu