Liquid droplet ejection method and liquid droplet ejection apparatus
US7614711B2 · kind B2 · utility
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Key dates
| Filing date | Jul 20, 2006 |
| Grant date | Nov 10, 2009 |
| Priority date | — |
| Expiry date | Nov 22, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/21
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid droplet ejection apparatus comprises: a nozzle from which a liquid droplet is ejected; a pressure chamber filled with liquid to which a pressure is applied in order to eject the liquid in a form of the liquid droplet from the nozzle; and a supply port which supplies the liquid to the pressure chamber, wherein inertance Mn of the nozzle, resistance Rn of the nozzle, compliance Cn of a nozzle section due to surface tension, inertance Ms of the supply port, and resistance Rs of the supply port satisfy the following two formulas:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.