Porous aluminum oxide film and method of forming of the same
US5061544A · kind A · utility
7Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1989 |
| Grant date | Oct 29, 1991 |
| Priority date | — |
| Expiry date | Sep 26, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24298
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A porous aluminum oxide film has a plurality of pores extending through the film. Each pore has a pair of smaller diameter pores and a larger diameter pore. The larger diameter pore is disposed within a central portion of the film with respect to the thickness of the film, and the smaller diameter pores are disposed upon both ends of the larger diameter pore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.