KR890006394A - Hydraulically Adjusted Channel - Google Patents

Hydraulically Adjusted Channel Download PDF

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Publication number
KR890006394A
KR890006394A KR1019880014177A KR880014177A KR890006394A KR 890006394 A KR890006394 A KR 890006394A KR 1019880014177 A KR1019880014177 A KR 1019880014177A KR 880014177 A KR880014177 A KR 880014177A KR 890006394 A KR890006394 A KR 890006394A
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KR
South Korea
Prior art keywords
channel
ink
printhead
plenum
print
Prior art date
Application number
KR1019880014177A
Other languages
Korean (ko)
Other versions
KR920005741B1 (en
Inventor
이.트류바 켄네쓰
랄.나이트 윌리암
제이.니엘슨 니엘스
Original Assignee
리차드 에이.핵크번
휴렛트-팩카드 캄파니
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
Application filed by 리차드 에이.핵크번, 휴렛트-팩카드 캄파니 filed Critical 리차드 에이.핵크번
Publication of KR890006394A publication Critical patent/KR890006394A/en
Application granted granted Critical
Publication of KR920005741B1 publication Critical patent/KR920005741B1/en

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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
    • 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
    • B41J2/14032—Structure of the pressure chamber
    • B41J2/1404—Geometrical characteristics
    • 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
    • B41J2/05—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers produced by the application of heat
    • 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
    • B41J2002/14387—Front shooter
    • 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
    • B41J2002/14403—Structure thereof only for on-demand ink jet heads including a filter

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  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Ink Jet (AREA)

Abstract

내용 없음No content

Description

유압식으로 조정되는 채널Hydraulically Adjusted Channel

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 선행 기술의 제지스터(resistor) 및 잉크 공급 채널(channel)을 도시하는 평면도.1 is a plan view showing a prior art resistor and ink supply channel.

제2도는 제 1도의 선생기술의 활성 노즐 및 인접 노즐의 메니스커스 댐핑을, 거리를 μm로 시간을 μsec로 하여 좌표에 도시한 선도.FIG. 2 is a diagram showing the meniscus damping of the active nozzles and the adjacent nozzles of the teacher technique of FIG. 1 in coordinates with a distance in μm and a time in μsec.

제3a도는 본 발명의 일실예에 따른 레지스터 및 잉크 공급 채널의 평면도.3A is a plan view of a resistor and ink supply channel in accordance with one embodiment of the present invention.

제3b도는 2개의 다른 실시예들 즉, 제3a도에 도시된 구조물과 결합하여 사용될 수 있는 "스피드 범프(speed bump)"구조물 및 잉크 채널의 수준밑에 레지스터가 위치되게 되는 웰(well) 구조물을 도시하는 측면도.FIG. 3b illustrates a well structure in which resistors are placed below the level of the ink channel and “speed bump” structures that may be used in combination with two other embodiments, the structure shown in FIG. 3a. The side view which shows.

제3a도는 제3c도의 일부분의 확대도.3A is an enlarged view of a portion of FIG. 3C.

제6도는 본 발명의 다른 실시예를 도시하는 레지스터, 잉크 공급 채널 및 오리피스의 사시도.6 is a perspective view of a register, an ink supply channel and an orifice showing another embodiment of the present invention.

제7도는 본 발명의 다른 실시예를 도시하는 제6도의 일부분과 유사한 도면.FIG. 7 is a view similar to that of part of FIG. 6, showing another embodiment of the present invention.

Claims (13)

다수의 잉크-추진 요소(12)들 및 인쇄 매체를 향해 구정된 형태들로 잉크(A)를 발사하여 영자숫자들 및 도형들을 상기 매체 상에 매체 상에 형성하도록 상기 요소들과 관련된 다수의 노즐(16)들을 포함하며, 잉크가 잉크공급 채널(10)에 의해 플리넘 격실(14)로부터 상기 레지스터로 공급되는 개선된 잉크-제트 프린트 헤드에 있어서, 상기 잉크공급 채널 내의 적어도 하나의 축소부(22,23,32)로 구성되는 것을 특징으로 하는 잉크-제트 프린트 헤드.A plurality of nozzles associated with the elements for firing ink A in a plurality of ink-propelling elements 12 and in shapes defined toward a print medium to form alphanumerics and figures on the medium on the medium. 16. An improved ink-jet printhead comprising: (16), wherein ink is supplied from the plenum compartment (14) by ink supply channel (10) to the register, wherein at least one reduction portion in the ink supply channel ( 22, 23, 32, characterized in that the ink-jet print head. 제1항에 있어서, 상기 잉크추진 요소들이 저항식 가열 요소들로 구성되는 것을 특징으로 하는 프린트 헤드.A printhead as claimed in claim 1, wherein the ink propulsion elements consist of resistive heating elements. 제1항에 있어서, 상기 잉크공급 채널의 일단부가 상기 플리넘과 유체식으로 관련되어 있고 1조의대향된 돌출부(24)들이 구비되어, 상기 플리넘과 상기 채널 사이를 축소시키는 것을 특징으로 하는 프린트 헤드.A print according to claim 1, characterized in that one end of the ink supply channel is fluidly associated with the plenum and provided with a set of opposing protrusions 24 to reduce the gap between the plenum and the channel. head. 제3항에 있어서, 상기 돌출부들이 예리한 형태인 것을 특징으로 하는 프린트 헤드.The print head of claim 3, wherein the protrusions have a sharp shape. 제3항에 있어서, 상기 돌출부들이 약 5 내지 10μm의 모따기 반경을 갖도록 라운딩되어 있는 것을 특징으로 하는 프린트 헤드.The printhead of claim 3, wherein the protrusions are rounded to have a chamfer radius of about 5 to 10 μm. 제1항에 있어서, 상기 적어도 하나의 축소부가 상기 잉크 추진 상기 채널 평면밑의 평면내에 위치시킴으로써 이루어지는 것을 특징으로 하는 프린트 헤드.A printhead according to claim 1, wherein the at least one reduction portion is made in a plane below the plane of the ink propulsion channel. 제6항에 있어서, 상기 잉크 추진 요소가, 상기 요소의 상부로부터 상기 채널의 바닥까지 측정했을때, 상기 채널의 상기 평면 밑으로 약 5 내지 40μm의 위치에 위치되어 있는 것을 특징으로 하는 프린트 헤드.The printhead of claim 6, wherein the ink propulsion element is located at a position of about 5-40 μm below the plane of the channel as measured from the top of the element to the bottom of the channel. 제6항에 있어서, 상기 잉크 공급 채널의 일단부가 상기 플리넘과 유체식으로 관련되어 있고 1조의 대향된 돌출부(24)들이 구비되어, 상기 프리넘과 상기 채널 사이를 축소시키는 것을 특징으로 하는 프린트 헤드.7. A print according to claim 6, wherein one end of the ink supply channel is fluidly associated with the plenum and provided with a set of opposing protrusions 24 to reduce the gap between the freenum and the channel. head. 제1항에 있어서, 상기 적어도 하나의 축소부가 상기 채널의 길이를 따르는 적어도 하나의 샤아프 밴드(22)의 형성에 의해 이루어지는 것을 특징으로 하는 프린트 헤드.A printhead as claimed in claim 1, wherein said at least one reduction is made by the formation of at least one sharp band (22) along the length of said channel. 제1항에 있어서, 상기 적어도 하나의 축소부가 상기 채널의 폭의 적어도 일부분에 결쳐 형성된 스피드 범프(32)로 구성되는 것을 특징으로 하는 프린트 헤드.A printhead as claimed in claim 1, characterized in that said at least one narrowing portion consists of a speed bump (32) formed at least in part of a width of said channel. 제10항에 있어서, 상기 스피드 범프가 상기 채널의 바닥상에 형성되어 있는 것을 특징으로 하는 프린트 헤드.The print head according to claim 10, wherein the speed bumps are formed on the bottom of the channel. 제10항에 있어서, 상기 스피드 범프가 상기 채널의 천장 상에 형성되어 있는 것을 특징으로 하는 프린트 헤드.The print head according to claim 10, wherein the speed bumps are formed on the ceiling of the channel. 제1항에 있어서, 상기 적어도 하나의 축소부가 상기 채널 내의 기둥(22)로 구성되는 것을 특징으로 하는 프린트 헤드.A printhead as claimed in claim 1, characterized in that said at least one shrinkage consists of a pillar (22) in said channel. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR8814177A 1987-10-30 1988-10-29 Hydraulically tuned channel architecture KR920005741B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11549887A 1987-10-30 1987-10-30
US115,498 1987-10-30

Publications (2)

Publication Number Publication Date
KR890006394A true KR890006394A (en) 1989-06-13
KR920005741B1 KR920005741B1 (en) 1992-07-18

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ID=22361792

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8814177A KR920005741B1 (en) 1987-10-30 1988-10-29 Hydraulically tuned channel architecture

Country Status (4)

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EP (1) EP0314486A3 (en)
JP (1) JPH01152068A (en)
KR (1) KR920005741B1 (en)
CA (1) CA1300974C (en)

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US5847737A (en) * 1996-06-18 1998-12-08 Kaufman; Micah Abraham Filter for ink jet printhead
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Also Published As

Publication number Publication date
EP0314486A2 (en) 1989-05-03
EP0314486A3 (en) 1990-01-10
KR920005741B1 (en) 1992-07-18
JPH01152068A (en) 1989-06-14
CA1300974C (en) 1992-05-19

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