Self cleaning ink jet drop generator having crosstalk reduction

Details Self cleaning ink jet drop generator having crosstalk reduction Self cleaning ink jet drop generator having crosstalk reduction

1985-11-24

1985-09-17

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1518

Patent

active

045423890

ABSTRACT:
An ink jet drop generator is presented which has a nozzle plate containing at least one nozzle for controlled ejection of droplets of ink. The ejection of ink can be produced by a number of means including by production of a gas bubble in the ink in the vicinity of the nozzle. The nozzle plate also contains at least one drain hole to remove drops of ink from the outer surface of the nozzle plate. These drain holes are preferably connected to an accumulator having a pressure below ambient pressure to help draw drops of ink from the outer surface. The nozzle plate also contains isolator holes which are connected to a refill plenum to help dissipate disturbance energy in the ink to reduce fluidic crosstalk between emitters in multi-emitter heads.

REFERENCES:
patent: 3747120 (1973-07-01), Stemme
patent: 4126868 (1978-11-01), Kirner
patent: 4317124 (1982-02-01), Shirato

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