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    ENCLOSURES FOR PROVIDING A CONTROLLED ENVIRONMENT DURING THE PRODUCTION OF GLASS ARTICLES
    1.
    发明申请
    ENCLOSURES FOR PROVIDING A CONTROLLED ENVIRONMENT DURING THE PRODUCTION OF GLASS ARTICLES 有权

    公开(公告)号：US20220064046A1

    公开(公告)日：2022-03-03

    申请号：US17410131

    申请日：2021-08-24

    Applicant: CORNING INCORPORATED

    Inventor： Purushotam Kumar ,  Sean Thomas Miller ,  Elias Panides ,  Yujian Sun

    IPC: C03B17/04 ,  C03B23/00

    Abstract: An enclosure for providing a controlled environment includes a central plane extending through a top end of the enclosure and a bottom end of the enclosure and bisecting the enclosure along a width of the enclosure, an inlet at the bottom end of the enclosure having an inlet width, Winlet, an enclosure wall extending from the inlet to the top end of the enclosure, an entry port at the top end of the enclosure, and an outlet between the entry port and the chamber region of the enclosure wall. The enclosure wall comprises a chamber region and a transition region between the inlet and the chamber region. The width of the chamber region, Wchamber, is substantially constant through the chamber region. The width of the enclosure in the transition region decreases from Wchamber to Winlet, and a ratio of Winlet to Wchamber is from 1:2 to 1:5.

    Strengthened glass articles with reduced delayed breakage and methods of making the same
    2.
    发明授权
    Strengthened glass articles with reduced delayed breakage and methods of making the same 有权

    公开(公告)号：US12037282B2

    公开(公告)日：2024-07-16

    申请号：US16599282

    申请日：2019-10-11

    Applicant: CORNING INCORPORATED

    Inventor： Rebecca Vernon Higginbottom ,  Weirong Jiang ,  Sean Thomas Miller

    IPC: C03C21/00 ,  C03C23/00

    CPC classification number: C03C21/002 ,  C03C23/007

    Abstract: A method of strengthening glass articles includes introducing potassium ions to a surface region of the glass by an initial ion-exchange process, thermally treating the glass at a thermal treatment temperature and time sufficient to diffuse the potassium ions further into the glass to a depth of layer, and introducing a compressive stress of greater than 400 MPa at the surface through a final ion-exchange process. The final ion-exchange process may be conducted at a final ion-exchange temperature of no more than 450° C. The method of strengthening produces a glass article having a compressive stress of at least 400 MPa at the surface, a depth of compression of at least 30 μm, and a central tension less than a threshold central tension above which flaws penetrating into the central region of the glass exhibit spontaneous self-propagation of the flaw front through and across the glass.

    STRENGTHENED GLASS ARTICLES WITH REDUCED DELAYED BREAKAGE AND METHODS OF MAKING THE SAME
    4.
    发明公开
    STRENGTHENED GLASS ARTICLES WITH REDUCED DELAYED BREAKAGE AND METHODS OF MAKING THE SAME 审中-公开

    公开(公告)号：US20240327278A1

    公开(公告)日：2024-10-03

    申请号：US18744035

    申请日：2024-06-14

    Applicant: CORNING INCORPORATED

    Inventor： Rebecca Vernon Higginbottom ,  Weirong Jiang ,  Sean Thomas Miller

    IPC: C03C21/00 ,  C03C23/00

    CPC classification number: C03C21/002 ,  C03C23/007

    Abstract: A method of strengthening glass articles includes introducing potassium ions to a surface region of the glass by an initial ion-exchange process, thermally treating the glass at a thermal treatment temperature and time sufficient to diffuse the potassium ions further into the glass to a depth of layer, and introducing a compressive stress of greater than 400 MPa at the surface through a final ion-exchange process. The final ion-exchange process may be conducted at a final ion-exchange temperature of no more than 450° C. The method of strengthening produces a glass article having a compressive stress of at least 400 MPa at the surface, a depth of compression of at least 30 μm, and a central tension less than a threshold central tension above which flaws penetrating into the central region of the glass exhibit spontaneous self-propagation of the flaw front through and across the glass.

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