Molds for shaping glass-based materials and methods for making the same
AssigneeCorning Incorporated
InventorsJill Marie Hall, Nicholas Scott Ryan, Wenchao Wang, Kim E Womer
Life of this patent
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Abstract
A mold for shaping glass-based material can include a mold body having a surface, wherein at least a portion of the mold body near the surface comprises at least about 90% by weight nickel and from about 0.2% to about 0.35% by weight manganese; and a nickel oxide layer on the surface of the mold body. The nickel oxide layer has first and second opposing surfaces wherein the first surface of the nickel oxide layer contacts and faces the surface of the mold body and the second surface of the nickel oxide layer includes a plurality of grains. The plurality of grains has an average grain size of about 150 μm or less.
Claims20
A mold for shaping glass-based material, the mold comprising:
- a mold body having a surface, wherein at least a portion of the mold body near the surface comprises at least about 90% by weight nickel and from about 0.2% to about 0.35% by weight manganese;
- and
- a nickel oxide layer on the surface of the mold body, wherein:
- the nickel oxide layer has first and second opposing surfaces,
- the first surface of the nickel oxide layer contacts and faces the surface of the mold body,
- the second surface of the nickel oxide layer includes a plurality of grains, and
- the plurality of grains has an average grain size of about 150 μm or less.
A method of making a mold for shaping glass-based material comprising:
- providing a mold body having a surface, wherein at least a portion of the mold body near the surface comprises at least about 90% by weight nickel and from about 0.2% to about 0.35% by weight manganese;
- and
- forming a nickel oxide layer on the surface of the mold body, wherein:
- the nickel oxide layer has first and second opposing surfaces,
- the first surface of the nickel oxide layer contacts and faces the surface of the mold body,
- the second surface of the nickel oxide layer includes a plurality of grains, and
- the plurality of grains has an average grain size of about 150 μm or less.
A method for shaping a glass-based substrate, the method comprising:
- placing a glass-based substrate on a mold, wherein the mold comprises:
- a mold body having a surface, wherein at least a portion of the mold body near the surface comprises at least about 90% by weight nickel and from about 0.2% to about 0.35% by weight manganese;
- and
- a nickel oxide layer on the surface of the mold body, wherein:
- the nickel oxide layer has first and second opposing surfaces,
- the first surface of the nickel oxide layer contacts and faces the surface of the mold body,
- the second surface of the nickel oxide layer includes a plurality of grains, and
- the plurality of grains has an average grain size of about 150 μm or less;
- and
- heating the glass-based substrate to a temperature sufficient to allow for shaping of the glass-base substrate.
Dependencies are inferred from the claim text.