CA2416594A1 - Energy balanced printhead design - Google Patents

Energy balanced printhead design Download PDF

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Publication number
CA2416594A1
CA2416594A1 CA002416594A CA2416594A CA2416594A1 CA 2416594 A1 CA2416594 A1 CA 2416594A1 CA 002416594 A CA002416594 A CA 002416594A CA 2416594 A CA2416594 A CA 2416594A CA 2416594 A1 CA2416594 A1 CA 2416594A1
Authority
CA
Canada
Prior art keywords
printhead
fet
circuits
resistance
traces
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002416594A
Other languages
French (fr)
Other versions
CA2416594C (en
Inventor
Joseph M. Torgerson
Robert N.K. Browning
Mark H. Mackenzie
Patrick V. Boyd
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HP Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25097452&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2416594(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of CA2416594A1 publication Critical patent/CA2416594A1/en
Application granted granted Critical
Publication of CA2416594C publication Critical patent/CA2416594C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04541—Specific driving circuit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04543—Block driving
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/0455—Details of switching sections of circuit, e.g. transistors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/0458—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads based on heating elements forming bubbles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/14—Structure thereof only for on-demand ink jet heads
    • B41J2/14016—Structure of bubble jet print heads
    • B41J2/14072—Electrical connections, e.g. details on electrodes, connecting the chip to the outside...

Abstract

A narrow ink jet printhead (100A, 100B) having efficient FET drive circuitts (85) that are configured to compensate for parasitic resistances of power traces (86a, 86b, 86c, 86d, 181). The ink jet printhead further includes ground busses (181) that overlap active regions of the FET drive circuits.

Claims (21)

1. An ink jet printhead comprising:
a printhead substrate (11) including a plurality of thin film layers;
a columnar array (61) of drop generators (40) defined in said printhead substrate and extending along a longitudinal axis L;
each drop generator having a heater resistor (56) having a resistance of at least 100 ohms;
a columnar array (81) of FET circuits (85) formed in said printhead substrate and respectively connected to said drop generators, said FET circuits including active regions each comprised of drain regions (89), source regions (99), and a gate (91) disposed on a gate oxide layer (93), each FET circuit having an on-resistance that is less than (250,000 ohm.cndot.micrometers2)/A, wherein A is an area of such FET
circuit in micrometers2;
power traces (86a, 86b, 86c, 86d, 181) connected to said drop generators and said FET drive circuits;
and said FET drive circuits configured to compensate for a variation in a parasitic resistance presented by said power traces.
2. The printhead of claim 1 wherein said gate oxide layer has a thickness of at most 800 Angstroms.
3. The printhead of claim 1 wherein each of said FET
circuits has a gate length that is less than 4 micrometers.
4. The printhead of claim 1 wherein each of said FET
circuits has an on-resistance of at most 16 ohms.
5. The printhead of claim 1 wherein each of said FET
circuits has an on-resistance of at most 14 ohms.
6. The printhead of claim 1 wherein said columnar array of FET circuits is contained in an FET region having a width that is orthogonal to said longitudinal axis L, said width being at most 350 micrometers.
7. The printhead of claim 1 wherein said columnar array of FET circuits is contained in an FET region having a width that is orthogonal to said longitudinal axis L, said width being at most 250 micrometers.
8. The printhead of claim 1 wherein said power traces includes a ground bus (181) that overlaps said columnar array of FET drive circuits.
9. The printhead of claim 8 wherein said ground bus has a width transversely to the longitudinal reference axis L that varies along the longitudinal reference axis L.
10. The printhead of claim 1 wherein each of said columnar arrays of drop generators is organized into M
primitive groups (61, 61b, 61c, 61d) and wherein said power traces include M primitive select traces (86a, 86b, 86c, 86d) respectively connected to said M primitive groups.
11. The printhead of claim 10 wherein said printhead substrate includes longitudinally separated ends, wherein M is an even number, and wherein M/2 of said M primitive select traces are electrically connected to bond pads (74) at one of said ends, and wherein another M/2 of said M

primitive select traces are electrically connected to bond pads (74) an another of said ends.
12. The printhead of claim 11 wherein M is four.
13. The printhead of claim 10 wherein said M
primitive select traces overlie an associated columnar array of FET drive circuits.
14. The printhead of claim 1 wherein said drop generators are spaced apart by at least 1/600 inches along the longitudinal reference axis L.
15. The printhead of claim 14 wherein said drop generators are spaced apart by 1/300 inches along the longitudinal reference axis L.
16. The printhead of claim 1 wherein said heater resistor resistance is at least 120 ohms.
17. The printhead of claim 1 wherein said heater resistor resistance is at least 130 ohms.
18. The printhead of claim 1 wherein respective on-resistances of said FET circuits are selected to compensate for variation of a parasitic resistance presented by said power traces.
19. The printhead of claim 18 wherein a size of each of said FET circuits is selected to set said on-resistance.
20. The printhead of claim 18 wherein each of said FET circuits includes:
drain electrodes (87);

drain contacts (88) electrically connecting said drain electrodes to said drain regions:
source electrodes (97);
source contacts (98) electrically connecting said source electrodes to said source regions; and wherein said drain regions are configured to set an on-resistance of each of said FET circuits to compensate for variation of a parasitic resistance presented by said power traces.
21. The printhead of claim 20 wherein said drain regions comprise elongated drain regions each including a continuously non-contacted segment having a length that is selected to set said on-resistance.
CA002416594A 2001-01-30 2001-09-07 Energy balanced printhead design Expired - Lifetime CA2416594C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/773,180 2001-01-30
US09/773,180 US6412917B1 (en) 2001-01-30 2001-01-30 Energy balanced printhead design
PCT/US2001/028047 WO2002060692A1 (en) 2001-01-30 2001-09-07 Energy balanced printhead design

Publications (2)

Publication Number Publication Date
CA2416594A1 true CA2416594A1 (en) 2002-08-08
CA2416594C CA2416594C (en) 2009-11-10

Family

ID=25097452

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002416594A Expired - Lifetime CA2416594C (en) 2001-01-30 2001-09-07 Energy balanced printhead design

Country Status (21)

Country Link
US (4) US6412917B1 (en)
EP (1) EP1309451B1 (en)
JP (1) JP2004520967A (en)
CN (1) CN1213865C (en)
AR (1) AR034425A1 (en)
AT (1) ATE368572T1 (en)
AU (1) AU2001290665B2 (en)
CA (1) CA2416594C (en)
DE (1) DE60129709T2 (en)
ES (1) ES2287158T3 (en)
HK (2) HK1052164B (en)
HU (1) HU228021B1 (en)
IL (1) IL153138A (en)
MX (1) MXPA03000892A (en)
MY (1) MY126012A (en)
NZ (1) NZ523868A (en)
PL (1) PL199532B1 (en)
RU (1) RU2268149C2 (en)
TW (1) TW542793B (en)
WO (1) WO2002060692A1 (en)
ZA (1) ZA200208802B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6412917B1 (en) * 2001-01-30 2002-07-02 Hewlett-Packard Company Energy balanced printhead design
US7249825B2 (en) * 2003-05-09 2007-07-31 Hewlett-Packard Development Company, L.P. Fluid ejection device with data storage structure
US20050097385A1 (en) * 2003-10-15 2005-05-05 Ahne Adam J. Method of fault correction for an array of fusible links
US7018012B2 (en) * 2003-11-14 2006-03-28 Lexmark International, Inc. Microfluid ejection device having efficient logic and driver circuitry
TWI258431B (en) * 2004-03-09 2006-07-21 Benq Corp Fluid jet head with driving circuit of a heater set
CN1326697C (en) * 2004-03-17 2007-07-18 明基电通股份有限公司 Fluid jet head with circuit to drive heater set
US7384113B2 (en) 2004-04-19 2008-06-10 Hewlett-Packard Development Company, L.P. Fluid ejection device with address generator
US7488056B2 (en) * 2004-04-19 2009-02-10 Hewlett--Packard Development Company, L.P. Fluid ejection device
US7722144B2 (en) * 2004-04-19 2010-05-25 Hewlett-Packard Development Company, L.P. Fluid ejection device
US7195341B2 (en) * 2004-09-30 2007-03-27 Lexmark International, Inc. Power and ground buss layout for reduced substrate size
TWI250938B (en) * 2005-04-25 2006-03-11 Int United Technology Co Ltd Inkjet printhead chip
CN100368202C (en) * 2005-04-27 2008-02-13 国际联合科技股份有限公司 Ink-jetting printing-head chip
US7559629B2 (en) * 2005-09-29 2009-07-14 Lexmark International, Inc. Methods and apparatuses for implementing multi-via heater chips
US7290864B2 (en) 2005-09-30 2007-11-06 Lexmark International, Inc. Heater chips with a reduced number of bondpads
US7594708B2 (en) * 2005-12-30 2009-09-29 Lexmark International, Inc. Methods and apparatuses for sensing temperature of multi-via heater chips
US7484823B2 (en) * 2005-12-30 2009-02-03 Lexmark International, Inc. Methods and apparatuses for regulating the temperature of multi-via heater chips
JP5539030B2 (en) * 2010-05-28 2014-07-02 キヤノン株式会社 Semiconductor device, liquid discharge head, liquid discharge head cartridge, and liquid discharge device
US8561003B2 (en) 2011-07-29 2013-10-15 Synopsys, Inc. N-channel and P-channel finFET cell architecture with inter-block insulator
US8595661B2 (en) * 2011-07-29 2013-11-26 Synopsys, Inc. N-channel and p-channel finFET cell architecture
JP6470570B2 (en) * 2015-01-06 2019-02-13 キヤノン株式会社 Element substrate, liquid discharge head, and recording apparatus
US11571896B2 (en) * 2021-02-01 2023-02-07 Funai Electric Co., Ltd. Customization of multichannel printhead

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DE2945658A1 (en) * 1978-11-14 1980-05-29 Canon Kk LIQUID JET RECORDING METHOD
US4345262A (en) * 1979-02-19 1982-08-17 Canon Kabushiki Kaisha Ink jet recording method
US4719477A (en) 1986-01-17 1988-01-12 Hewlett-Packard Company Integrated thermal ink jet printhead and method of manufacture
US5469199A (en) 1990-08-16 1995-11-21 Hewlett-Packard Company Wide inkjet printhead
US5144341A (en) * 1991-04-26 1992-09-01 Xerox Corporation Thermal ink jet drivers device design/layout
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US6412917B1 (en) * 2001-01-30 2002-07-02 Hewlett-Packard Company Energy balanced printhead design

Also Published As

Publication number Publication date
RU2268149C2 (en) 2006-01-20
US6890064B2 (en) 2005-05-10
HK1052164B (en) 2007-10-12
US6412917B1 (en) 2002-07-02
PL358620A1 (en) 2004-08-09
CN1430553A (en) 2003-07-16
AR034425A1 (en) 2004-02-25
NZ523868A (en) 2005-01-28
MXPA03000892A (en) 2003-06-24
HU228021B1 (en) 2012-08-28
AU2001290665B2 (en) 2005-09-01
HUP0300718A2 (en) 2003-08-28
CN1213865C (en) 2005-08-10
US20040169702A1 (en) 2004-09-02
IL153138A0 (en) 2003-06-24
JP2004520967A (en) 2004-07-15
ES2287158T3 (en) 2007-12-16
CA2416594C (en) 2009-11-10
MY126012A (en) 2006-09-29
PL199532B1 (en) 2008-09-30
WO2002060692A1 (en) 2002-08-08
ZA200208802B (en) 2004-04-30
US6488363B2 (en) 2002-12-03
ATE368572T1 (en) 2007-08-15
HK1057189A1 (en) 2004-03-19
US20030048332A1 (en) 2003-03-13
US20020140779A1 (en) 2002-10-03
EP1309451B1 (en) 2007-08-01
IL153138A (en) 2005-06-19
EP1309451A1 (en) 2003-05-14
TW542793B (en) 2003-07-21
US6726311B2 (en) 2004-04-27
DE60129709T2 (en) 2008-04-17
DE60129709D1 (en) 2007-09-13
HK1052164A1 (en) 2003-09-05

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Effective date: 20210907