CMOS/MEMS integrated ink jet print head and method of...

Details CMOS/MEMS integrated ink jet print head and method of... CMOS/MEMS integrated ink jet print head and method of...

2005-09-13

2005-09-13

Nelms, David (Department: 2818)

Semiconductor device manufacturing: process

Having magnetic or ferroelectric component

C438S240000, C216S027000, C347S062000, C347S070000

Reexamination Certificate

active

06943037

ABSTRACT:
An ink jet print head is formed of a silicon substrate that includes an integrated circuit formed therein for controlling operation of the print head. The silicon substrate has one or more ink channels formed therein along the longitudinal direction of the noble array. An insulating layer or layers overlie the silicon substrate and has a series or an array of nozzle openings or bores formed therein along the length of the substrate and each nozzle opening communicates with an ink channel. The area comprising the nozzle openings forms a generally planar surface to facilitate maintenance of the printhead. A heater element is associated with each nozzle opening or bore for asymmetrically heating ink as ink passes through the nozzle opening or bore.

REFERENCES:
patent: 6062678 (2000-05-01), Ishinaga et al.
patent: 6142615 (2000-11-01), Qiu et al.
patent: 6491376 (2002-12-01), Trauernicht et al.

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