GLASS CERAMIC ARTICLES HAVING IMPROVED PROPERTIES AND METHODS FOR MAKING THE SAME

• Main Authors: KITTLESON, ANDREW PETER, KROEMER, KATHERINE WEBER, RIDGE, JOHN RICHARD, FU, QIANG, SALTZER, JR, HALL, JILL MARIE, TROSA, MATTHEW DANIEL, WILSON, SHELBY KERIN, CLICK, CAROL ANN, HUBERT, MATHIEU GERARD JACQUES, SMITH, CHARLENE MARIE, MOORE, GALAN GREGORY, ZHENG, ZHEMING, JOSHI, DHANANJAY, STAPLETON, ERIKA LYNN, EDMONSTON, JAMES HOWARD, RAI, ROHIT, YANG, BIN, UKRAINCZYK, LJERKA
• Format: Patent
• Language: English; French
• Published: 03.01.2023
• Subjects: CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS; CHEMISTRY; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; FREQUENCY-CHANGING; GLASS; JOINING GLASS TO GLASS OR OTHER MATERIALS; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; MINERAL OR SLAG WOOL; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PERFORMING OPERATIONS; PHYSICS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; TRANSPORTING

A glass ceramic article including a lithium disilicate crystalline phase, a petalite crystalline phase, and a residual glass phase. The glass ceramic article has a warp (gm) < (3.65x10-9/gm diagonal2) where diagonal is a diagonal measurement of the glass ceramic article in gm, a stress of less th...