Patent ID: 6874871
Filing Date: 2005-04-05
Classification: B41J,Y10S,Y10T

Abstract:
1. An ink jet printer head body comprising: a channel plate made of a silicon wafer having an upper part having a first electrical characteristic; a restrictor plate formed over said silicon wafer by doping impurity component; a nozzle plate formed under said silicon wafer by doping impurity component, the nozzle plate having a second electrical characteristic different from the first electrical characteristic; a nozzle formed at said nozzle plate through which nozzle the ink is jetted; a channel going through said channel plate and said restrictor plate which channel is ink path; a restrictor formed at restrictor plate which restrictor maintains ink speed to be constant; and a reserver continued to said restrictor under said restrictor which reserver is formed at a part of said channel plate and in which reserver the ink is reserved.