Stock material or miscellaneous articles – Composite – Of quartz or glass
Reexamination Certificate
2007-04-10
2007-04-10
McNeil, Jennifer (Department: 1775)
Stock material or miscellaneous articles
Composite
Of quartz or glass
C428S001100, C428S001620, C428S001520
Reexamination Certificate
active
11011323
ABSTRACT:
A glass laminate substrate for electronic substrates, such as flat panel displays, includes a transparent glass core bounded by transparent glass skin layers, wherein the coefficient of thermal expansion of the core is greater than the coefficient of thermal expansion of the skin layers thereby forming a residual compressive stress in the skin layers and a residual tensile stress in the core. The relative thickness of the skin layers can be selected to enhance the strength of the glass laminate substrate while maintaining a sufficiently low residual tensile stress in the core to allow scribing and separating of the substrate to size. Interlayers can be located between the core and the skin layers, wherein the interlayers include a residual compressive stress, and produce a reduced residual tensile stress in the core.
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Gulati Suresh Thakordas
Lapp Josef Chauncey
Corning Incorporated
Ivey Elizabeth D.
McNeil Jennifer
Nicastri Christopher
Shaw Brian B.
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