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    METHODS FOR ETCHING GLASS-BASED SUBSTRATES
    32.
    发明申请
    METHODS FOR ETCHING GLASS-BASED SUBSTRATES 有权

    公开(公告)号：US20230064818A1

    公开(公告)日：2023-03-02

    申请号：US17893398

    申请日：2022-08-23

    Applicant: CORNING INCORPORATED

    Inventor： Huayun Deng ,  Melanie Lian Geiger ,  Richard Allen Hayes ,  Mingqian He ,  Yuhui Jin ,  Govindarajan Natarajan ,  Weijun Niu ,  Brian Paul Usiak ,  David Lee Weidman

    IPC: C03C15/00

    Abstract: Glass-based substrates are described herein that may be processed by methods including applying a cover article onto a glass-based substrate, submerging the glass-based substrate in an etchant, and maintaining the submersion of the glass-based substrate in the etchant. The glass-based substrate may include a covered surface portion and an exposed surface portion. At least a portion of the covered surface portion may be in direct contact with the cover article. The covered surface portion may not be in contact with the etchant and the exposed surface portion may be in direct contact with the etchant. The etchant may contact the exposed surface portion and the cover article fora time sufficient to etch the exposed surface portion. The cover article may provide a barrier between the etchant and the covered surface portion for the entirety of the submerging.

    Patterned glass articles and methods of making the same
    33.
    发明授权
    Patterned glass articles and methods of making the same 有权

    公开(公告)号：US11560330B2

    公开(公告)日：2023-01-24

    申请号：US16767992

    申请日：2018-11-29

    Applicant: CORNING INCORPORATED

    Inventor： Hongmei Hu ,  Yuhui Jin ,  Richard Alan Quinn

    IPC: B32B3/00 ,  C03C4/18 ,  C03C3/097 ,  C03C21/00 ,  H05K5/03

    Abstract: A patterned article that includes: an alkali silicate glass substrate comprising a thickness and a primary surface, the substrate having a bulk composition; a patterned region defined by at least a portion of the primary surface; and a compressive stress region that extends from the at least a portion of the primary surface to a first depth within the substrate. The patterned region comprises a surface roughness (Ra) from about 1 nm to about 600 nm and at least one of a plurality of protrusions and a plurality of depressions. Further, each of the compressive stress region and the patterned region comprises a concentration of at least one alkali metal ion that is different than the concentration of the at least one alkali metal ion in the bulk composition.

    Salt Bath Compositions and Methods for Regenerating Salt Bath Compositions
    34.
    发明申请
    Salt Bath Compositions and Methods for Regenerating Salt Bath Compositions 有权

    公开(公告)号：US20220348496A1

    公开(公告)日：2022-11-03

    申请号：US17642432

    申请日：2020-09-10

    Applicant: CORNING INCORPORATED

    Inventor： David Eugene Baker ,  Albert Joseph Fahey ,  Qiang Fu ,  Yuhui Jin ,  Wei Sun ,  Ljerka Ukrainczyk ,  Shelby Kerin Wilson

    IPC: C03C21/00

    Abstract: Methods for regenerating a salt bath composition include heating the salt bath composition to an ion exchange temperature to form a molten salt bath. The methods may further include contacting at least a portion of an ion-exchangeable article that includes lithium oxide (Li2O) with the molten salt bath. Lithium cations may diffuse from the ion-exchangeable article and into the molten salt bath. Additionally, the methods may include adding a first phosphate salt to the molten salt bath. A lithium phosphate salt that includes at least a portion of the lithium cations may be formed and precipitate from the molten salt bath. Furthermore, the methods may include adding a multivalent salt that includes a multivalent metal cation to the molten salt bath. A second phosphate salt that includes the multivalent metal cation may be formed and precipitate from the molten salt bath.

    Textured glass articles and methods of making the same
    39.
    发明授权
    Textured glass articles and methods of making the same 有权

    公开(公告)号：US11306024B2

    公开(公告)日：2022-04-19

    申请号：US16886558

    申请日：2020-05-28

    Applicant: Corning Incorporated

    Inventor： Yuhui Jin ,  Aize Li ,  Qiao Li ,  Wei Sun

    IPC: C03C21/00 ,  C03C15/00 ,  C03C3/085 ,  C03C4/00

    Abstract: A glass article is provided that includes: a glass substrate comprising a thickness and a primary surface; and a textured region defined by the primary surface. The textured region comprises a plurality of sub-surface hillocks, each hillock having a top surface and a base, the base located below the primary surface of the substrate. The plurality of hillocks comprises an average lateral feature size from 0.1 μm to 3 μm and an average height from 5 nm to 200 nm. Further, the primary surface of the substrate is substantially planar.

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