Inkjet printhead board and inkjet printhead using same
US7896476B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2007 |
| Grant date | Mar 1, 2011 |
| Priority date | — |
| Expiry date | Dec 27, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/17
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An inkjet printhead board and inkjet printhead is provided having a reliable storage element which allows for print without causing damages to an interlayer insulation film and protection film upon printing data unique to the printhead and is free from the restriction in arrangement position. For this purpose, a printing device board uses therein an information storage element formed common in material and process to electro-thermal converter element, the resistance value of which is changed to enable information storage so that information can be read out of the information storage element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.