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US 6,787,071 B2Granted
Method and apparatus for producing data storage media
AssigneeGeneral Electric Company
InventorsThomas Bert Gorczyca, Laura Jean Meyer, Matthew Frank Niemeyer
Life of this patent
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Abstract
In one embodiment, the method for producing a stamper, comprises: forming a nickel plated substrate having desired surface features on one side; disposing a managed heat transfer layer on a second side of said substrate; forming a thickness of said managed heat transfer layer having a variation of less than about 5%; and altering said exposed surface of said managed heat transfer layer. Also disclosed are a method and apparatus for producing data storage media.
Claims42
A method for manufacturing an article, comprising:
- disposing a managed heat transfer layer in operable communication with a second surface of a stamper, wherein a first surface of said stamper comprises surface features, wherein an exposed surface of said managed heat transfer layer has been altered by a method selected from the group consisting of chemically, or a combination of chemically and mechanically;
- disposing the stamper in a mold with at least a portion of said exposed surface disposed in operable communication with a mold half;
- injecting a molten plastic into said mold;
- cooling the plastic to form said article;
- and
- releasing said article from said mold.
3 more elements
A method for manufacturing an article, comprising:
- disposing a managed heat transfer layer in operable communication with a second surface of a stamper, wherein a first surface of said stamper comprises surface features, wherein an exposed surface of said managed heat transfer layer has been mechanically altered;
- disposing the stamper in a mold with at least a portion of said exposed surface disposed in operable communication with a mold half;
- injecting a molten plastic into said mold;
- cooling the plastic to form said article;
- and
- releasing said article from said mold.
3 more elements
Dependencies are inferred from the claim text.