Ink jet printhead chip that incorporates through-wafer ink...

Details Ink jet printhead chip that incorporates through-wafer ink... Ink jet printhead chip that incorporates through-wafer ink...

2006-04-25

2006-04-25

Do, An H. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S065000

Reexamination Certificate

active

07032998

ABSTRACT:
An inkjet printhead chip includes a wafer substrate. A drive circuitry layer is positioned on one side of the wafer substrate. The wafer substrate and the drive circuitry layer define a plurality of ink ejection channels that extend between both sides of the wafer substrate. A plurality of nozzle chamber structures is positioned on said one side of the wafer substrate. Each nozzle chamber structure defines a nozzle chamber in fluid communication with a respective ink ejection channel and includes a roof wall positioned on a respective channel opening and defining an ink ejection port in fluid communication with the channel. A wall assembly bounds each channel opening so that the nozzle chamber is defined by the wall assembly and the roof wall. A plurality of ink ejection mechanisms is operatively engaged with respective nozzle chamber structures and is operable to eject ink from the respective nozzle chambers. A plurality of micro-electromechanical actuators is connected to the drive circuitry layer. Each actuator is connected to a respective ink ejection mechanism to act on the ink ejection mechanism on receipt of an electrical signal from the drive circuitry layer.

REFERENCES:
patent: 4423401 (1983-12-01), Mueller
patent: 4553393 (1985-11-01), Ruoff
patent: 4672398 (1987-06-01), Kuwabara et al.
patent: 4737802 (1988-04-01), Mielke
patent: 4864824 (1989-09-01), Gabriel et al.
patent: 5029805 (1991-07-01), Albarda et al.
patent: 5258774 (1993-11-01), Rogers
patent: 5666141 (1997-09-01), Matoba et al.
patent: 5719604 (1998-02-01), Inui et al.
patent: 5812159 (1998-09-01), Anagnostopoulos et al.
patent: 5828394 (1998-10-01), Khuri-Yakub
patent: 5838351 (1998-11-01), Weber
patent: 5877580 (1999-03-01), Swierkowski
patent: 6041600 (2000-03-01), Silverbrook
patent: 6174050 (2001-01-01), Kashino et al.
patent: 6488359 (2002-12-01), Silverbrook
patent: 1 648 322 (1971-03-01), None
patent: 29 05 063 (1980-08-01), None
patent: 32 45 283 (1984-06-01), None
patent: 34 30 155 (1986-02-01), None
patent: 37 16 996 (1988-12-01), None
patent: 39 34 280 (1990-04-01), None
patent: 43 28 433 (1995-03-01), None
patent: 195 16 997 (1995-11-01), None
patent: 195 17 969 (1995-11-01), None
patent: 195 32 913 (1996-03-01), None
patent: 196 23 620 (1996-12-01), None
patent: 196 39 717 (1997-04-01), None
patent: 0 092 229 (1983-10-01), None
patent: 0 398 031 (1990-11-01), None
patent: 0416540 (1991-03-01), None
patent: 0 427 291 (1991-05-01), None
patent: 0 431 338 (1991-06-01), None
patent: 0 478 956 (1992-04-01), None
patent: 0 506 232 (1992-09-01), None
patent: 0 510 648 (1992-10-01), None
patent: 0 627 314 (1994-12-01), None
patent: 0 634 273 (1995-01-01), None
patent: 0 713 774 (1996-05-01), None
patent: 0 737 580 (1996-10-01), None
patent: 0 750 993 (1997-01-01), None
patent: 0 882 590 (1998-12-01), None
patent: 2 231 076 (1974-12-01), None
patent: 792 145 (1958-03-01), None
patent: 1 428 239 (1976-03-01), None
patent: 2 262 152 (1993-06-01), None
patent: 58 112747 (1983-07-01), None
patent: 58 116165 (1983-07-01), None
patent: 61 025849 (1986-02-01), None
patent: 61 268453 (1986-11-01), None
patent: 01 105746 (1989-04-01), None
patent: 01 115639 (1989-05-01), None
patent: 01 128839 (1989-05-01), None
patent: 01 257058 (1989-10-01), None
patent: 01 306254 (1989-12-01), None
patent: 402030543 (1990-01-01), None
patent: 02 050841 (1990-02-01), None
patent: 2-92643 (1990-04-01), None
patent: 2-108544 (1990-04-01), None
patent: 02 158348 (1990-06-01), None
patent: 02 162049 (1990-06-01), None
patent: 2-265752 (1990-10-01), None
patent: 03 653348 (1991-03-01), None
patent: 03 112662 (1991-05-01), None
patent: 03 180350 (1991-08-01), None
patent: 04 118241 (1992-04-01), None
patent: 04 126255 (1992-04-01), None
patent: 04 141429 (1992-05-01), None
patent: 4-353458 (1992-12-01), None
patent: 04 368851 (1992-12-01), None
patent: 05 28765 (1993-10-01), None
patent: 05 318724 (1993-12-01), None
patent: 6-91865 (1994-04-01), None
patent: 6-91866 (1994-04-01), None
patent: 07 314665 (1995-12-01), None
patent: 10-143434 (1998-05-01), None
patent: 11345286 (1999-12-01), None
patent: 2000163547 (2000-06-01), None
patent: WO 94 18010 (1994-08-01), None
patent: WO 97 12689 (1997-04-01), None
Noworolski, J. Mark et al, “Process for in-plane and out-of-plane single-crystal-silicon thermal microactuators”. Sensors and Actuators, A, CH, Elsevier Sequoia S.A., Lausanne, vol. 55, No. 1, Jul. 15, 1996, pp 65-69, XP004077979 ISSN: 0924-4247.
Ataka, Manabu et al, “Fabrication and Operation of Polymide Bimorph Actuators for Ciliary Motion System”. Journal of Microelectromechanical Systems, US, IEEE Inc. New York, vol. 2, No. 4, Dec. 1, 1993, pp 146-150, XP000443412, ISSN: 1057-7157.
Yamagata, Yutaka et al, “A Micro Mobile Mechanism Using Thermal Expansion and its Theoretical Analysis”. Proceedeing of the workshop on micro electro mechanical systems (MEMS), US, New York, IEEE, vol. Workshop 7, Jan. 25, 1994, pp 142-147, XP000528408, ISBN: 0-7803-1834-X.

Affiliated with

Also associated with

Rating

Ink jet printhead chip that incorporates through-wafer ink... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ink jet printhead chip that incorporates through-wafer ink..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ink jet printhead chip that incorporates through-wafer ink... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3574990