Method of controlling functional liquid supply apparatus, functional liquid supply apparatus, liquid droplet ejection apparatus, method of manufacturing electro-optical device, electro-optical device, and electronic device
US7472976B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 27, 2006 |
| Grant date | Jan 6, 2009 |
| Priority date | — |
| Expiry date | Feb 25, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/175
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method of controlling a functional liquid supply apparatus includes: a pressure-loss computing step for computing a pressure loss of each kind of a functional liquid flowing through respective functional liquid passages which extend from respective functional liquid tanks to a functional liquid droplet ejection head; a supply-pressure computing step for computing a supply pressure of each kind of the functional liquid with the pressure loss taken into consideration so that an in-head pressure of each kind of the functional liquid in the functional liquid droplet ejection head becomes a set pressure which is respectively set in advance; and an independent-pressurizing step for independently pressurizing the plurality of the functional liquid tanks based on the computed supply pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.