Ink jet recording head
US6257703A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1997 |
| Grant date | Jul 10, 2001 |
| Priority date | — |
| Expiry date | Jul 28, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/1637
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink jet recording head comprises a main body section having a joined surface in which one end of an ink supply passage for introducing ink from an ink reserving portion is open, a support member having a first joint surface joined to the joined surface in the main body section and a second joint surface disposed opposite to the first joint surface, the support member having a communicating passage in communication with the one end of the ink supply passage, and a recording element board comprising an ink heating portion disposed on the second joint surface of the support member and arranged to heat the ink supplied through the communicating passage, and an ink ejection outlet forming portion in which an ink ejection outlet for ejecting the ink heated by the ink heating portion is formed, wherein thermal properties in materials of the recording element board and the support member are of the same quality.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.