Color ink jet recording method
US5798776A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1997 |
| Grant date | Aug 25, 1998 |
| Priority date | — |
| Expiry date | Jun 4, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K2215/0094
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A color ink jet recording method is disclosed which can provide a high-quality monochrome print, does not cause bleeding derived from intermixing of a black ink with color inks and can equalize the dot diameter of four color ink dots, offer a high drying rate and provide a sharp and vivid color image. The color ink jet recording method includes a step of forming a dot unit of a black ink consisting of plural of ink droplets, wherein color inks having a surface tension of less than 40 dyn/cm at 20.degree. C. and black ink having a surface tension of not less than 40 dyn/cm are used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.