Printhead integrated circuit with low loss CMOS connections...

Details Printhead integrated circuit with low loss CMOS connections... Printhead integrated circuit with low loss CMOS connections...

2011-07-05

2011-07-05

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S061000, C347S056000, C347S057000, C347S059000

Reexamination Certificate

active

07971974

ABSTRACT:
A printhead IC with an array of nozzles3. A chamber7and a heater14correspond to each nozzle respectively. The heater has a heater element10extending between a pair of electrodes15. The heater element10is suspended in the chamber7by the electrodes15to heat printing fluid and generate a vapour bubble to cause a drop of the printing fluid to eject through the nozzle3. Integrated circuit metalization layers corresponding to each of the nozzles supply electrical energy to the heater14. The heater14and the integrated circuit metalization layers23are substantially planar and at least partially overlapping, the metallization layers electrically connected to the heater electrodes15by vias, the cross sectional area of all the vias being greater than 50% of the surface area of one side of the heater14. A relatively large number of vias lowers the electrical resistance between the electrodes and the CMOS metalization layers. Lower resistance reduces the power losses and improves the operating efficiency of the printhead.

REFERENCES:
patent: 4549191 (1985-10-01), Fukuchi et al.
patent: 4727384 (1988-02-01), Tsuda
patent: 4827294 (1989-05-01), Hanson
patent: 4914562 (1990-04-01), Abe et al.
patent: 4931813 (1990-06-01), Pan et al.
patent: 4965594 (1990-10-01), Komuro
patent: 5367324 (1994-11-01), Abe et al.
patent: 5534898 (1996-07-01), Kashino et al.
patent: 5565900 (1996-10-01), Cowger et al.
patent: 5706041 (1998-01-01), Kubby
patent: 5710070 (1998-01-01), Chan
patent: 5841452 (1998-11-01), Silverbrook
patent: 5856836 (1999-01-01), Silverbrook
patent: 5969005 (1999-10-01), Yamashita et al.
patent: 6019457 (2000-02-01), Silverbrook
patent: 6076912 (2000-06-01), Murthy
patent: 6137443 (2000-10-01), Beatty
patent: 6183067 (2001-02-01), Matta
patent: 6247779 (2001-06-01), Nowell et al.
patent: 6250738 (2001-06-01), Waller et al.
patent: 6447104 (2002-09-01), Keil et al.
patent: 6543879 (2003-04-01), Feinn et al.
patent: 6775509 (2004-08-01), Shida et al.
patent: 6986563 (2006-01-01), Silverbrook et al.
patent: 7134745 (2006-11-01), Silverbrook
patent: 7484832 (2009-02-01), Silverbrook
patent: 7517053 (2009-04-01), Silverbrook
patent: 7524030 (2009-04-01), Silverbrook
patent: 7533964 (2009-05-01), Silverbrook
patent: 7533968 (2009-05-01), Silverbrook
patent: 7549729 (2009-06-01), Silverbrook
patent: 7556354 (2009-07-01), Silverbrook
patent: 7588321 (2009-09-01), Silverbrook
patent: 7611226 (2009-11-01), Silverbrook
patent: 7618125 (2009-11-01), Silverbrook
patent: 7775636 (2010-08-01), Silverbrook
patent: 7784903 (2010-08-01), Silverbrook
patent: 2002/0196313 (2002-12-01), Murata et al.
patent: 2004/0119786 (2004-06-01), Silverbrook
patent: 2007/0296761 (2007-12-01), Silverbrook et al.
patent: 1211072 (2002-06-01), None
patent: 1213146 (2002-06-01), None
patent: 62-094347 (1987-04-01), None
patent: 04-257450 (1992-09-01), None
patent: 06-040037 (1994-02-01), None
patent: 07-060955 (1995-03-01), None
patent: 08-230192 (1996-09-01), None
patent: 2002-210951 (2002-07-01), None
patent: 2002-210977 (2002-07-01), None
patent: WO 00/23279 (2000-04-01), None
patent: WO 0142027 (2001-06-01), None
patent: WO 01/66357 (2001-09-01), None
Demoor, P. The Fabrication and Reliability Testing of Ti/TiN Heaters, Proceedings of SPIE, Micromachining and Microfabrication Process Technology V, vol. 3874, pp. 284-293.
Dymetman, M., and Copperman, M., “Intelligent Paper in Electronic Publishing, Artist imaging, and Digital Typography, Proceedings of EP '98”, Mar./Apr. 1998, Springer Verlag LNCS 1375, pp. 392-406.
Shamilian, John H., Baird, Henry S., & Wood, Thomas L. “A Retargetable Table Reader”, Bell Laboratories, Lucent Tech Inc. Crawfords Corner Rd, Room 2F-217, Holmdel, NJ 07733-1988 USA.

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