Patent · US Expired

Substrate for recording head, recording head and method for producing same

US5376231A · kind A · utility

57Cited by
11References
54Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 20, 1992
Grant dateDec 27, 1994
Priority date
Expiry dateApr 20, 2012

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2202/13
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A method for producing a substrate for a recording head wherein a plurality of electro-thermal converting elements, a plurality of driving functional elements for respectively driving the electro-thermal converting elements and a plurality of wiring electrodes for respectively connecting each of the driving functional elements and each of the electro-thermal converting elements are formed on a supporting member by photolithography comprises forming the wiring electrodes by etching a material layer for the wiring electrodes while etchingwise removing a photoresist for masking the material layer for the wiring electrodes.

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