Patent · US Expired

Ink jet head and manufacturing method thereof

US6513916B2 · kind B2 · utility

4Cited by
2References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 25, 2001
Grant dateFeb 4, 2003
Priority date
Expiry dateMay 25, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2/1642
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An ink jet head which has been improved to enable reliable connection of an electrode to an external portion without increasing manufacturing cost is provided. The ink jet head includes a base member, a cover member, a nozzle plate, and a plurality of electrode connecting portions. The electrode connecting portions are electrically isolated by second grooves formed in the surface of the base member. The surface of the electrode connecting portions are substantially flush with the upper surfaces of the walls.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.