Method for roller-coating liquid material
US12427538B2 · kind B2 · utility
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7Claims
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Assignee
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Key dates
| Filing date | Sep 15, 2022 |
| Grant date | Sep 30, 2025 |
| Priority date | — |
| Expiry date | Sep 15, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present disclosure provides a method for roller-coating a liquid material, including roller-coating the liquid material on a silicon wafer with a liquid coating roller, and controlling a thickness of the liquid material carried on the liquid coating roller with a liquid taking roller, where a liquid retaining structure is provided at two ends of the liquid coating roller and/or two ends of the liquid taking roller, and the liquid retaining structure is configured to prevent the liquid material from flowing out from the two ends of the liquid coating roller and the two ends of the liquid taking roller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.