CPC C03B 32/02 (2013.01) | 16 Claims |
1. A method for forming glass ceramic articles comprising:
heating a stack of glass sheets to a nucleation temperature to create a nucleated crystallizable stack of sheets;
maintaining the nucleation temperature for a first predetermined period of time;
heating the nucleated crystallizable stack of glass sheets to a crystallization temperature; and
maintaining the crystallization temperature for a second predetermined period of time to produce the glass-ceramic articles,
wherein:
the stack of glass sheets has a mass index of less than or equal to 35;
the number of glass sheets in the stack of glass sheets is greater or equal to 10;
at least three glass sheets in the stack of glass sheets are separated from an adjacent glass sheet by a parting agent layer;
the glass sheets have a thickness less than or equal to 1.11 mm,
the stack of glass sheets is configured to be placed on a setter plate during heating, and
the setter plate is supported by a carrier plate, the carrier plate having an open carrier design.
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