GLASS MOLDING DIE, AND MANUFACTURE METHOD THEREFOR

To provide a far better die material capable of supplying a faultless molding glass substrate to the market in the field of a high-end high-quality glass substrate.SOLUTION: A glass molding die can contain one having a molding surface and a nickel oxide layer over the molding surface. At least a por...

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Bibliographische Detailangaben
Hauptverfasser: KIM E WOMER, WANG WENCHAO, LINEMAN DAVID MYRON, KRISTEN MARIE HORN, KEVIN THOMAS MORRIS
Format: Patent
Sprache:eng ; jpn
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Beschreibung
Zusammenfassung:To provide a far better die material capable of supplying a faultless molding glass substrate to the market in the field of a high-end high-quality glass substrate.SOLUTION: A glass molding die can contain one having a molding surface and a nickel oxide layer over the molding surface. At least a portion of the molding die near the molding surface can contain about 90% of nickel. The nickel oxide layer can have an average thickness of about 500 nm to about 20 μm, and the nickel oxide layer can have an average surface roughness (R) of about 1 μm or less on the molding surface of the mold.SELECTED DRAWING: Figure 1 【課題】ハイエンドの高品質ガラス基板の分野において、無欠陥の成形ガラス基板を市場に供給できる一層優れた金型材料を得る。【解決手段】ガラスを成形するための金型は成形面及び成形面上の酸化ニッケル層を有する金型体を含むことができる。成形面近くの金型体の少なくとも一部は少なくとも約90%のニッケルを含むことができる。酸化ニッケル層は約500nmから約20μmの平均厚さを有することができ、酸化ニッケル層は金型の成形面において約1μm以下の平均表面粗さ(Ra)を有することができる。【選択図】図1