KR100385970B1 - A sealing apparatus of inkjet print head - Google Patents

A sealing apparatus of inkjet print head Download PDF

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Publication number
KR100385970B1
KR100385970B1 KR10-1999-0061275A KR19990061275A KR100385970B1 KR 100385970 B1 KR100385970 B1 KR 100385970B1 KR 19990061275 A KR19990061275 A KR 19990061275A KR 100385970 B1 KR100385970 B1 KR 100385970B1
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KR
South Korea
Prior art keywords
printhead
insertion hole
print head
module
bonding
Prior art date
Application number
KR10-1999-0061275A
Other languages
Korean (ko)
Other versions
KR20010057861A (en
Inventor
이승돈
Original Assignee
삼성전자주식회사
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Priority to KR10-1999-0061275A priority Critical patent/KR100385970B1/en
Publication of KR20010057861A publication Critical patent/KR20010057861A/en
Application granted granted Critical
Publication of KR100385970B1 publication Critical patent/KR100385970B1/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
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/16—Production of nozzles
    • B41J2/1621—Manufacturing processes
    • B41J2/1623—Manufacturing processes bonding and adhesion
    • 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
    • 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
    • B41J2/14088—Structure of heating means
    • B41J2/14112—Resistive element
    • B41J2/14129—Layer structure
    • 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
    • B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
    • B41J2/16517—Cleaning of print head nozzles
    • B41J2/16535—Cleaning of print head nozzles using wiping constructions
    • 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
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17526—Electrical contacts to the cartridge
    • B41J2/1753—Details of contacts on the cartridge, e.g. protection of contacts
    • 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
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17536—Protection of cartridges or parts thereof, e.g. tape
    • B41J2/1754—Protection of cartridges or parts thereof, e.g. tape with means attached to the cartridge, e.g. protective cap

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Ink Jet (AREA)

Abstract

본 발명은 프린트헤드의 석션시 와이핑(wiping)에 의한 마찰로부터 실링제 및 프린트헤드의 접착력이 견고하게 유지될 수 있도록 하는 잉크젯 프린트헤드의 실링구조에 관한 것으로서, 이를 위하여 본 발명은 모듈의 하단에 실링제에 의해 프린트헤드를 접합시키는 실링구조에 있어서,상기 모듈의 하단부에는 프린트헤드의 외경보다 큰 삽입홀을 형성하고, 상기 프린트헤드의 외측단부를 상기 삽입홀내에서 외부로 돌출되지 않게 삽입하고, 상기 외측단부를 상기 삽입홀과 접합시키는 실링제를 상기 삽입홀의 외부로 돌출되지 않도록 하는 구성으로서, 프린트헤드를 접합시키는 접합수단인 실링제가 삽입홀의 외부로 돌출되지 않게 내부에서 보호되도록 하여 와이핑에 의한 마찰로부터의 손상을 방지하는 동시에 접합력과 기밀성이 향상되도록 하는 것이 특징이다.The present invention relates to a sealing structure of an inkjet printhead, which enables the adhesion of the sealant and the printhead to be firmly maintained from friction due to wiping during suction of the printhead. In the sealing structure for joining the printhead with a sealing agent, the lower end of the module is formed with an insertion hole larger than the outer diameter of the printhead, the outer end of the printhead is inserted so as not to protrude out of the insertion hole And a sealing agent for bonding the outer end portion with the insertion hole so as not to protrude to the outside of the insertion hole, so that the sealing agent, which is a bonding means for bonding the print head, is protected from the inside so as not to protrude to the outside of the insertion hole. To improve adhesion and airtightness while preventing damage from friction Features.

Description

잉크젯 프린트헤드의 실링구조{A sealing apparatus of inkjet print head}A sealing apparatus of inkjet print head

본 발명은 프린트헤드의 석션시 와이핑(wiping)에 의한 마찰로부터 실링제 및 프린트헤드의 접착력이 견고하게 유지될 수 있도록 하는 잉크젯 프린트헤드의 실링구조에 관한 것이다.The present invention relates to a sealing structure of an inkjet printhead in which the adhesion of the sealant and the printhead can be firmly maintained from friction due to wiping during the suction of the printhead.

일반적으로 잉크젯 프린트헤드는 잉크를 저장하는 카트리지에 일체로 부착되게 하거나 별도의 모듈에 부착시켜 카트리지를 결합 및 분리시킬 수 있도록 하고 있다.In general, inkjet printheads may be integrally attached to a cartridge for storing ink or attached to a separate module so that cartridges may be combined and separated.

즉 종전의 잉크젯 프린트헤드에서 카트리지는 헤드와 일체형으로 형성되어 잉크를 다 사용하고 난 후에는 카트리지를 교체시키도록 하였으나 최근에는 카트리지와 헤드를 분리시켜 헤드는 별도의 모듈에 부착되도록 하고, 카트리지만을 결합 및 분리시킬 수 있도록 하므로서 잉크만을 재충진시켜 재사용하는 리필 타입으로 많이 사용되고 있다.That is, in the conventional inkjet printhead, the cartridge is formed integrally with the head, and after the ink is used up, the cartridge is replaced, but recently, the cartridge and the head are separated so that the head is attached to a separate module, and only the cartridge And it is widely used as a refill type to refill and refill only the ink so that it can be separated.

이렇게 리필 타입으로 사용하는 잉크젯 프린터에서 프린트헤드는 전기한 바와같이 모듈에 부착시켜 사용하게 되는데 이는 도 1 에 도시한 바와같다.In the inkjet printer used as the refill type, the printhead is attached to the module as described above, as shown in FIG. 1.

즉 모듈(1) 하단부에 프린트헤드(2)를 구비하면서 모듈(1)과의 접합 및 기밀성의 향상을 위해 통상 실링제(3)를 사용하여 프린트헤드(2)를 고정시키도록 하고 있다.That is, the print head 2 is provided in the lower end of the module 1, and the print head 2 is fixed using the sealing agent 3 for the purpose of bonding to the module 1 and improving the airtightness.

따라서 모듈(1)을 통해 유도되는 잉크는 반드시 프린트헤드(2)의 노즐을 통해서만 토출되면서 안정된 인쇄작용을 수행하게 된다.Therefore, the ink guided through the module 1 is discharged only through the nozzle of the printhead 2 to perform a stable printing operation.

한편 프린트헤드(2)는 도시한 바와같이 노즐에 묻어 있게 되는 잉크를 장시간 방치하게 되면 결국 굳어지면서 노즐을 통한 잉크의 토출이 불가능하게 된다.On the other hand, as shown in the printhead 2, if the ink remaining on the nozzle is left for a long time, it hardens and discharge of ink through the nozzle becomes impossible.

따라서 종전에는 프린트헤드(2)의 노즐 부위를 정기적 및 부정기적으로 청소하는 석션작업이 수행되도록 하고 있는데 이때 동시에 이루어지게 되는 것이 프린트헤드(2)의 와이핑이다.Therefore, in the past, a suction operation for periodically and irregularly cleaning the nozzle portion of the print head 2 is performed. At this time, the wiping of the print head 2 is performed.

즉 석션장치에 의해 프린트헤드(2)를 석션하기 직전에 프린트헤드(2)를 석션장치로 유도하면서 석션장치에 구비되어 있는 와이퍼(4)를 이용해 우선 프린트헤드(2)의 노즐면을 와이핑시키게 된다.That is, the nozzle surface of the print head 2 is first wiped using the wiper 4 provided in the suction device, while guiding the print head 2 to the suction device immediately before the suction of the print head 2 by the suction device. Let's go.

그러나 프린트헤드(2)를 모듈(1)에 접합시키기 위해 도포하게 되는 실링제(3)는 외부로 노출되는 상태가 되므로 프린트헤드(2)의 석션시 프린트헤드(2)의 노즐면을 지나면서 클리닝하게 되는 와이퍼(4)와의 마찰력에 의해 실링제(3)가 와이퍼(4)와의 충격에 의해 일부가 떨어져 나가는 손상이 유발되면서 프린트헤드(2)의 접합력과 기밀성이 저하되는 심각한 문제가 초래되기도 한다.However, since the sealant 3 applied to bond the printhead 2 to the module 1 is exposed to the outside, it passes through the nozzle face of the printhead 2 when the printhead 2 is suctioned. The frictional force with the wiper 4 to be cleaned may cause the sealant 3 to be partially damaged by the impact with the wiper 4, resulting in a serious problem of deterioration of the bonding force and airtightness of the printhead 2. do.

이와같은 실링제(3)의 손상을 방지하기 위해 종전에는 도 2 에서와 같이 실링제(3)를 커버하는 커버 플레이트(5)를 모듈(1)과 프린트헤드(2)에 걸쳐 조립되도록 하는 구조가 소개되기도 하였으나 이러한 커버 플레이트(5)를 구비하기 위해서는 커버 플레이트(5)의 제작 및 조립 공정이 추가되면서 제작 시간 및 비용이 상승하게 되는 문제가 있다.In order to prevent such damage of the sealant 3, a structure in which a cover plate 5 covering the sealant 3 is previously assembled over the module 1 and the printhead 2 as shown in FIG. 2. Although it was introduced, there is a problem that the manufacturing time and cost increase as the manufacturing and assembly process of the cover plate 5 is added to provide the cover plate 5.

본 발명은 상기한 문제점을 시정 보완하기 위한 것으로서, 본 발명은 모듈의 하단부로 프린트헤드가 삽입될 수 있는 크기로 삽입홀을 형성하면서 이 삽입홀내에서 실링제에 의해 프린트헤드가 접합되도록 하여 실링제가 와이퍼에 의한 마찰력으로부터 안전하게 보호될 수 있도록 하는데 주된 목적이 있다.The present invention is to compensate for the above problems, the present invention is to form the insertion hole to the size that can be inserted into the print head to the lower end of the module to allow the print head to be bonded by the sealing agent in the insertion hole sealing agent is The main purpose is to be able to safely protect from the frictional force by the wiper.

또한 본 발명은 실링제의 손상을 방지하므로서 모듈과 프린트헤드간 실링성 향상과 제품에 대한 신뢰성이 증대되도록 하는데 다른 목적이 있다.In another aspect, the present invention is to improve the sealing property between the module and the printhead and to increase the reliability of the product by preventing the damage of the sealing agent.

도 1 과 도 2 는 종래 프린트헤드의 실링구조를 도시한 측단면도,1 and 2 are side cross-sectional views showing a sealing structure of a conventional print head,

도 3 은 본 발명에 따른 일실시예를 도시한 측단면도,Figure 3 is a side cross-sectional view showing an embodiment according to the present invention,

도 4 는 본 발명의 삽입홀에 실링제를 도포시킬 수 있도록 도포홈이 형성되도록 한 예시도,Figure 4 is an exemplary view so that the coating groove is formed to apply the sealing agent to the insertion hole of the present invention,

도 5 와 도 6 은 본 발명의 사용 상태도.5 and 6 is a state diagram used in the present invention.

<도면의 주요부분에 대한 부호 설명><Description of Signs of Major Parts of Drawings>

10 : 모듈 11 : 삽입홀10 module 11 insertion hole

12 : 도포홈 20 : 프린트헤드12: application groove 20: printhead

30 : 실링제30: sealing agent

상기의 목적을 달성하기 위한 수단으로 본 발명은 모듈의 하단에 실링제에 의해 프린트헤드를 접합시키는 실링구조에 있어서,상기 모듈의 하단부에는 프린트헤드의 외경보다 큰 삽입홀을 형성하고, 상기 프린트헤드의 외측단부를 상기 삽입홀내에서 외부로 돌출되지 않게 삽입하고, 상기 외측단부를 상기 삽입홀과 접합시키는 실링제를 상기 삽입홀의 외부로 돌출되지 않도록 하는 것을 특징으로 한다.In the sealing structure for bonding the print head to the lower end of the module by means of a sealing agent as a means for achieving the above object, the lower end of the module to form an insertion hole larger than the outer diameter of the print head, the print head The outer end of the insertion hole is inserted so as not to protrude to the outside, and the sealing agent for joining the outer end to the insertion hole is characterized in that it does not protrude to the outside of the insertion hole.

이하 본 발명의 바람직한 실시예를 첨부한 도면을 참조하여 보다 상세히 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 3 은 본 발명에 따른 일실시예를 도시한 것으로서, 본 발명은 프린트헤드 부착용 모듈(10)의 하단부로 프린트헤드(20)의 외경보다 크게 삽입홀(11)을 형성하고, 이 삽입홀(11)내에 프린트헤드(20)가 삽입되도록 하면서 삽입홀(11)내에서 프린트헤드(20)의 외측단부를 실링제(30)로서 접합되도록 하는 구성이다.Figure 3 shows an embodiment according to the present invention, the present invention forms an insertion hole (11) larger than the outer diameter of the printhead 20 to the lower end of the printhead attachment module 10, the insertion hole ( 11) the outer end portion of the print head 20 is joined as the sealant 30 in the insertion hole 11 while allowing the print head 20 to be inserted into the insert head 11.

이때 삽입홀(11)의 깊이는 삽입되는 프린트헤드(20)의 두께보다는 미세하게 더 깊게 형성되도록 하여 프린트헤드(20)의 외측단부를 실링제(30)로 접합시키게 되더라도 실링제(30)가 삽입홀(11)의 외부로 돌출되지 않도록 하는 것이 가장 바람직하다.In this case, the depth of the insertion hole 11 is formed to be slightly deeper than the thickness of the print head 20 to be inserted, so that the sealing agent 30 may be bonded to the outer end of the print head 20 with the sealing agent 30. It is most preferable not to protrude to the outside of the insertion hole (11).

또한 본 발명은 도 4 에서 보는바와 같이 모듈(10)의 하단부로 형성되는 삽입홀(11)의 상부면으로 실링제(30)가 채워질 수 있도록 도포홈(12)이 형성되도록 하는 것도 보다 바람직하다.In addition, the present invention is more preferably such that the coating groove 12 is formed so that the sealing agent 30 is filled into the upper surface of the insertion hole 11 formed as the lower end of the module 10 as shown in FIG. .

상기한 구성에 따른 작용에 대해서 설명하면 모듈(10)에 도 5 에서와 같이삽입홀(11)이 형성되면 이 삽입홀(11)에 우선 프린트헤드(20)를 삽입한 후 프린트헤드(20)의 외측단부로 실링제(30)를 도포하게 되면 프린트헤드(20)는 모듈(10)에 견고하게 부착되는 상태가 된다.Referring to the operation according to the above configuration, when the insertion hole 11 is formed in the module 10 as shown in FIG. 5, the printhead 20 is first inserted into the insertion hole 11, and then the printhead 20 is formed. When the sealant 30 is applied to the outer end of the printhead 20, the printhead 20 is firmly attached to the module 10.

이때 실링제(30)는 도포한 직후 삽입홀(11)의 외부로 돌출되지 않게 되므로 결국 삽입홀(11)의 외측면이 실링제(30)를 보호하는 보호막이 되는 것이다.At this time, since the sealant 30 does not protrude to the outside of the insertion hole 11 immediately after application, the outer surface of the insertion hole 11 becomes a protective film protecting the sealant 30.

따라서 프린트헤드(20)를 장시간 사용하거나 반대로 장시간 미사용 상태로 방치시키게 되므로서 노즐부의 클리닝이 필요로 되는 경우 와이퍼(40)가 프린트헤드(20)의 노즐면에 접촉한 상태에서 지나게 될 때 프린트헤드(20)와 모듈(10) 사이에 도포된 실링제(30)는 거의 영향을 받지 않게 되므로 프린트헤드(20)의 접합상태를 견고하게 유지시킬 수가 있게 된다.Therefore, when the print head 20 needs to be used for a long time or, conversely, it is left unused for a long time, and the cleaning of the nozzle part is necessary, when the wiper 40 passes in a state in contact with the nozzle face of the print head 20, the print head is passed. Since the sealing agent 30 applied between the 20 and the module 10 is hardly affected, the bonding state of the print head 20 can be maintained firmly.

특히 도 6 에서와 같이 실링제(30)를 프린트헤드(20)의 와이핑면에 대응되는 방향으로 도포시키게 되면 와이퍼(40)에 의한 접촉 마찰이 실링제(30)에 전혀 영향을 미치지 못하게 되므로 더욱 견고한 접합상태를 유지할 수가 있게 된다.In particular, when the sealant 30 is applied in a direction corresponding to the wiping surface of the print head 20 as shown in FIG. 6, the contact friction by the wiper 40 does not affect the sealant 30 at all. It is possible to maintain a firm connection.

이와같이 모듈(10)의 저부로 간단히 프린트헤드(20)가 삽입될 수 있도록 하는 삽입홀(11)을 형성하게 되면 외부의 마찰 충격에 의한 실링제(30)의 손상을 미연에 방지시키게 되므로 프린트헤드(20)의 접합력과 기밀성을 더욱 향상시킬 수가 있게 된다.As such, when the insertion hole 11 is formed at the bottom of the module 10 to allow the print head 20 to be inserted into the bottom of the module 10, the damage of the sealant 30 due to the external frictional impact is prevented in advance. It is possible to further improve the bonding strength and airtightness of (20).

한편 프린트헤드(20)를 접합하면서 종전에는 그 접합 위치를 정확히 알 수가 없었으나 본 발명에 따른 구조에서는 프린트헤드(20)를 간단히 삽입홀(11)내에 삽입시키기만 하면 되므로 접합 위치의 선정을 매우 용이하게 할 수가 있다.On the other hand, while joining the print head 20, it was previously impossible to know the exact position of the bonding, but in the structure according to the present invention, it is only necessary to simply insert the print head 20 into the insertion hole 11 to select the position of the bonding It can be done easily.

그러므로 본 발명은 모듈(10)의 하단부로 프린트헤드(20)를 삽입할 수 있도록 하는 삽입홀(11)을 형성하는 간단한 구성에 의해 프린트헤드(20)의 접합작업을 보다 용이하게 수행할 수 있도록 하면서 실링제(30)를 외부의 마찰 충격으로부터 안전하게 보호되게 하고, 이로서 프린트헤드(20)의 접합력과 기밀성을 향상시켜 제품에 대한 신뢰성이 증대될 수 있도록 하는 매우 유용한 효과를 제공하게 된다.Therefore, the present invention is to facilitate the bonding operation of the print head 20 by a simple configuration to form an insertion hole 11 to insert the print head 20 to the lower end of the module 10 While the sealant 30 is safely protected from external frictional impact, thereby providing a very useful effect of improving the bonding and airtightness of the printhead 20 to increase the reliability of the product.

Claims (2)

모듈의 하단에 실링제에 의해 프린트헤드를 접합시키는 실링구조에 있어서,In the sealing structure for bonding the printhead to the lower end of the module by a sealing agent, 상기 모듈의 하단부에는 프린트헤드의 외경보다 큰 삽입홀을 형성하고, 상기 프린트헤드의 외측단부를 상기 삽입홀내에서 외부로 돌출되지 않게 삽입하고, 상기 외측단부를 상기 삽입홀과 접합시키는 실링제를 상기 삽입홀의 외부로 돌출되지 않도록 하는 것을 특징으로 하는 잉크젯 프린트헤드의 실링구조.A sealing agent for forming an insertion hole larger than an outer diameter of the print head at the lower end of the module, inserting an outer end of the print head so as not to protrude out of the insertion hole, and bonding the outer end to the insertion hole; Sealing structure of the inkjet printhead, characterized in that it does not protrude to the outside of the insertion hole. 제 1 항에 있어서, 상기 삽입홀에는The method of claim 1, wherein the insertion hole 상기 프린트헤드가 밀착되는 상부면으로 실링제가 채워질 수 있도록 하는 도포홈을 형성한 잉크젯 프린트헤드의 실링구조.Sealing structure of the ink-jet printhead formed with a coating groove for filling the sealant to the upper surface in which the printhead is in close contact.
KR10-1999-0061275A 1999-12-23 1999-12-23 A sealing apparatus of inkjet print head KR100385970B1 (en)

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