Inkjet print head chip and inkjet print head using same

Details Inkjet print head chip and inkjet print head using same Inkjet print head chip and inkjet print head using same

2007-08-28

2007-08-28

Do, An H. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S059000

Reexamination Certificate

active

10694995

ABSTRACT:
An inkjet print head chip usable in an inkjet print head includes a semiconductor substrate having plural switching devices formed therein, plural heaters provided on upper sides of the switching devices and activated by the plural switching devices to heat ink, and metal wiring layers formed between the plural heaters and the switching devices which externally radiate some of the heat generated from the plural heaters.

REFERENCES:
patent: 5159353 (1992-10-01), Fasen et al.
patent: 5774148 (1998-06-01), Cornell et al.
patent: 6273544 (2001-08-01), Silverbrook

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