Burnthrough formulations
US8889471B2 · kind B2 · utility
0Cited by
6References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 2012 |
| Grant date | Nov 18, 2014 |
| Priority date | — |
| Expiry date | May 7, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/773
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
For solar cell fabrication, the addition of precursors to printable media to assist etching through silicon nitride or silicon oxide layer thus affording contact with the substance underneath the nitride or oxide layer. The etching mechanism may be by molten ceramics formed in situ, fluoride-based etching, as well as a combination of the two.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.