Invention Grant
- Patent Title: Methods and apparatus for cutting radii in flexible thin glass
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Application No.: US15120003Application Date: 2015-02-17
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Publication No.: US10941070B2Publication Date: 2021-03-09
- Inventor: Andrew Stephen Altman , Carlton Wesley Cole , Todd Benson Fleming , Anping Liu , James Joseph Watkins
- Applicant: Corning Incorporated
- Applicant Address: US NY Corning
- Assignee: Corning Incorporated
- Current Assignee: Corning Incorporated
- Current Assignee Address: US NY Corning
- International Application: PCT/US2015/016096 WO 20150217
- International Announcement: WO2015/126805 WO 20150827
- Main IPC: C03B33/09
- IPC: C03B33/09 ; C03B33/02 ; C03B33/04 ; B23K26/14 ; B23K26/53 ; B23K103/00

Abstract:
Methods and apparatus provide for: cutting a thin glass sheet along a curved cutting line, where the curve is divided into a plurality of line segments; applying a laser beam and continuously moving the laser beam along the cutting line; applying a cooling fluid simultaneously with the application of the laser beam in order to propagate a fracture in the glass sheet along the cutting line; and varying one or more cutting parameters as the laser beam moves from one of the plurality of line segments to a next one of the plurality of line segments, wherein the one or more cutting parameters include at least one of: (i) a power of the laser beam, (ii) a speed of the movement, (iii) a pressure of the cooling fluid, and (iv) a flow rate of the cooling fluid.
Public/Granted literature
- US20170050877A1 METHODS AND APPARATUS FOR CUTTING RADII IN FLEXIBLE THIN GLASS Public/Granted day:2017-02-23
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