Aluminum oxide-coated article
US6333103A · kind A · utility
46Cited by
8References
12Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 5, 1999 |
| Grant date | Dec 25, 2001 |
| Priority date | — |
| Expiry date | Nov 5, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/265
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An aluminum oxde-coated article has a first coating layer and a second coating layer formed in this order on a substrate, the first coating layer having a single- or multi-layer structure and being made of at least one selected from the group consisting of carbides, nitrides, carbonitrides, oxides, oxycarbides, oxynitrides and oxycarbonitrides of metals in Groups IVa, Va and VIa of the Periodic Table, and the second coating layer being constituted by at least one .alpha.-aluminum oxide-based oxide layer, which has an equivalent X-ray diffraction peak ratio PR (1 0 10) of 1.3 or more in a (1 0 10) plane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.