Printhead for an image-forming apparatus and an image-forming apparatus containing the same
US6683639B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 20, 2002 |
| Grant date | Jan 27, 2004 |
| Priority date | — |
| Expiry date | May 29, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J29/377
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A printhead for an image-forming apparatus, including a substrate, a row of light-emitting elements disposed on a first side of the substrate, and a cooling element disposed on a second side of the substrate opposite to the first side, wherein the substrate is thermally insulating and is provided with at least one thermally conductive track which extends through the substrate from the first side to the second side and is disposed at a predetermined place with respect to the light-emitting elements in order to conduct heat from the first side to the second side in such manner that the elements are kept substantially at a predetermined temperature during operation of the printhead.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.