Plasma perforation
US9622509B2 · kind B2 · utility
0Cited by
6References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 17, 2014 |
| Grant date | Apr 18, 2017 |
| Priority date | — |
| Expiry date | Apr 17, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2237/334
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method and device for the plasma perforation of tipping paper, wherein a low temperature plasma is generated on the surface of the tipping paper by briefly ionizing a gas mixture using an energy source that is as close in form to a point as possible, wherein the ionizable gas mixture is locally restricted to a very small surface region of the tipping paper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.