Patent · US Expired

Heater for ionographic marking head array

US4812860A · kind A · utility

8Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 4, 1988
Grant dateMar 14, 1989
Priority date
Expiry dateMay 4, 2008

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/323
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A heater for an ionographic marking apparatus including a housing, means for generating a supply of marking ions within the housing, means for transporting the marking ions through and out of the housing, and an array of modulation electrodes upon a substrate for controlling the transport of ions out of the housing, the modulation electrodes being spaced from one another by electrically insulating regions. The heater is associated with the array for raising the temperature of the electrically insulating regions so as to prevent the condensation of moisture thereon.

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