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1. 发明专利

DE60305597D1 未知
公开(公告)号：DE60305597D1
公开(公告)日：2006-07-06
申请号：DE60305597
申请日：2003-10-10
申请人： SAMSUNG ELECTRONICS CO LTD
发明人： SHIN SU-HO , OH YONG-SOO , KUK KEON , SHIN SEUNG-JU , LIM HYUNG-TAEK , KIM MIN-SOO , LEE CHANG-SEUNG , LEE YOU-SEOP
IPC分类号： B41J2/05 , B41J2/14 , B41J2/16 , B41J2/335 , B41J29/377
摘要： A monolithic ink jet printhead comprises a substrate (110), a nozzle plate (120) comprised of passivation layers (121, 122, 126) and a heat dissipating layer (128) made of thermally conductive metal, a heater (142), and a conductor (144) provided between the passivation layers and connected to the heater. A monolithic ink jet printhead comprises a substrate having an ink chamber (132) filled with ink to be ejected on its front surface, a manifold (136) for supplying ink to the ink chamber on its rear surface, and an ink channel (134) between the ink chamber and the manifold; a nozzle plate comprised of passivation layers stacked on the substrate and a heat dissipating layer on the passivation layers, the nozzle plate having a nozzle (138), through which ink is ejected from the ink chamber, formed by penetrating the nozzle plate; a heater formed between the passivation layers and located above the ink chamber for heating the ink within the chamber; and a conductor provided between the passivation layers and connected to the heater for applying current across the heater, where the heat dissipating layer is made of a thermally conductive metal for dissipating heat in or around the heater to the outside. An independent claim is also included for a method of manufacturing a monolithic ink jet printhead comprising: (i) forming a heater and a conductor connected to the heater between the passivation layers while stacking passivation layers on a substrate; (ii) forming a heat dissipating layer on the passivation layers and forming a nozzle to penetrate the passivation layers and heat dissipating layer to construct a nozzle plate; (iii) etching the substrate exposed through the nozzle to form an ink chamber filled with ink; (iv) etching a rear surface of the substrate to form a manifold for supplying ink; and (v) forming an ink channel by etching the substrate so that it penetrates the substrate between the manifold and the ink chamber.

2. 发明专利

DE602004018579D1 未知
公开(公告)号：DE602004018579D1
公开(公告)日：2009-02-05
申请号：DE602004018579
申请日：2004-07-28
申请人： SAMSUNG ELECTRONICS CO LTD
发明人： SONG HOON , OH YONG-SOO , SHIN JONG-WOO , LIM HYUNG-TAEK
IPC分类号： B41J2/05 , B41J2/16 , B41J2/135 , B41J2/14 , B41J2/235
摘要： Provided are an inkjet printhead and a method of manufacturing the same. The inkjet printhead includes a substrate (100), which includes an ink chamber (106) formed in an upper portion thereof to store ink, a manifold (110) formed in a lower portion thereof to supply the ink to the ink chamber, and an ink channel (108) formed between the ink chamber and the manifold to connect the ink chamber to the manifold, a nozzle plate (120), which includes a plurality of passivation layers (121,123,125) stacked on the substrate, a heat dissipation layer (127) disposed on the plurality of passivation layers and made of a thermal conductive metal material, and a nozzle (104) passing therethrough and connected to the ink chamber, and a heater (122) and a conductor (124), each of which is interposed between the plurality of passivation layers of the nozzle plate, the heater heating the ink filled in the ink chamber and the conductor applying current to the heater. The heat dissipation layer includes a first metal layer (127a) formed on the plurality of passivation layers and a second metal layer (127b) formed on the first metal layer.

3. 发明专利

DE602004025649D1 未知
公开(公告)号：DE602004025649D1
公开(公告)日：2010-04-08
申请号：DE602004025649
申请日：2004-05-26
申请人： SAMSUNG ELECTRONICS CO LTD
发明人： SHIN SEUNG-JOO , OH YONG-SOO , SHIN SU-HO , KIM MIN-SOO , LIM HYUNG-TAEK , LEE CHANG-SEUNG , LEE YOU-SEOP , KUK KEON
IPC分类号： B41J2/05 , B41J2/16 , B41J2/14 , B41J2/175 , B41J2/235
摘要： Provided is an inkjet printhead including a substrate, a nozzle plate, heaters, and conductors. The substrate includes an ink chamber formed in an upper portion thereof to store ink and a manifold formed in a lower portion thereof to supply the ink to the ink chamber. The nozzle plate includes a plurality of passivation layers stacked on the substrate and is made of insulating materials, a heat dissipation layer stacked on the plurality of passivation layers and is made of a thermal conductive metal material, and a nozzle passing therethrough and connected to the ink chamber. The heaters and the conductors are interposed between the plurality of passivation layers of the nozzle plate. The heaters are disposed on the ink chamber and heat the ink stored in the ink chamber. The conductors conduct a current to the heaters. A material layer is interposed between the ink chamber and the manifold to form a bottom wall of the ink chamber and a top wall of the manifold, and a plurality of ink channels are formed in the material layer to connect the ink chamber to the manifold.

4. 发明专利

DE60305597T2 未知
公开(公告)号：DE60305597T2
公开(公告)日：2007-04-26
申请号：DE60305597
申请日：2003-10-10
申请人： SAMSUNG ELECTRONICS CO LTD
发明人： SHIN SU-HO , OH YONG-SOO , KUK KEON , SHIN SEUNG-JU , LIM HYUNG-TAEK , KIM MIN-SOO , LEE CHANG-SEUNG , LEE YOU-SEOP
IPC分类号： B41J2/05 , B41J2/14 , B41J2/16 , B41J2/335 , B41J29/377
摘要： A monolithic ink jet printhead comprises a substrate (110), a nozzle plate (120) comprised of passivation layers (121, 122, 126) and a heat dissipating layer (128) made of thermally conductive metal, a heater (142), and a conductor (144) provided between the passivation layers and connected to the heater. A monolithic ink jet printhead comprises a substrate having an ink chamber (132) filled with ink to be ejected on its front surface, a manifold (136) for supplying ink to the ink chamber on its rear surface, and an ink channel (134) between the ink chamber and the manifold; a nozzle plate comprised of passivation layers stacked on the substrate and a heat dissipating layer on the passivation layers, the nozzle plate having a nozzle (138), through which ink is ejected from the ink chamber, formed by penetrating the nozzle plate; a heater formed between the passivation layers and located above the ink chamber for heating the ink within the chamber; and a conductor provided between the passivation layers and connected to the heater for applying current across the heater, where the heat dissipating layer is made of a thermally conductive metal for dissipating heat in or around the heater to the outside. An independent claim is also included for a method of manufacturing a monolithic ink jet printhead comprising: (i) forming a heater and a conductor connected to the heater between the passivation layers while stacking passivation layers on a substrate; (ii) forming a heat dissipating layer on the passivation layers and forming a nozzle to penetrate the passivation layers and heat dissipating layer to construct a nozzle plate; (iii) etching the substrate exposed through the nozzle to form an ink chamber filled with ink; (iv) etching a rear surface of the substrate to form a manifold for supplying ink; and (v) forming an ink channel by etching the substrate so that it penetrates the substrate between the manifold and the ink chamber.

5. 发明专利

DE602004009001D1 未知
公开(公告)号：DE602004009001D1
公开(公告)日：2007-10-31
申请号：DE602004009001
申请日：2004-07-28
申请人： SAMSUNG ELECTRONICS CO LTD
发明人： LIM JI-HYUK , OH YONG-SOO , BAEK SEONG-SOON , LIM HYUNG-TAEK , LEE CHANG-SEUNG , KIM YOUNG-JAE , LEE YOU-SEOP
IPC分类号： B41J2/05 , B41J2/335
摘要： Provided is an apparatus for driving an inkjet printhead in which a current is applied to a heater to heat ink filled in an ink chamber and expand bubbles so that the ink is ejected from the ink chamber due to the expansive force of the bubbles. The apparatus alternately applies the current to the heater.

6. 发明专利

JP2004351931A Ink-jet printhead and its manufacturing method 审中-公开
公开(公告)号：JP2004351931A
公开(公告)日：2004-12-16
申请号：JP2004145605
申请日：2004-05-14
申请人： Samsung Electronics Co Ltd , 三星電子株式会社
发明人： KIM MIN-SOO , SHIN SU-HO , OH YONG-SOO , LIM HYUNG-TAEK , SHIN JONG-WOO , BAEK SEOG-SOON
IPC分类号： B41J2/05 , B41J2/16 , B41J2/335
CPC分类号： B41J2/1646 , B41J2/1601 , B41J2/1628 , B41J2/1629 , B41J2/1631 , B41J2/1632 , B41J2/1639 , B41J2/1642 , B41J2/1643 , B41J2002/1437 , B41J2002/14387
摘要： PROBLEM TO BE SOLVED: To provide an ink-jet print head having an improved structure for enhancing ejection performance, straight directivity of droplets ejected through nozzles, and a driving frequency by effectively releasing the heat generated from heaters; and to provide a manufacturing method of the print head.
SOLUTION: The ink-jet print head includes a substrate having ink chambers formed in the front surface side of the substrate for filling itself with an ink to be ejected, manifolds formed in the rear surface side of the substrate for feeding the ink to the ink chambers, and ink channels aligned and formed on the surface of the substrate for connecting the ink chambers and the manifolds; numerous protective layers stacked on the substrate; and made of an insulating substance a nozzle plate stacked on the protective layers and including a heat dissipation layer made of a heat conductive metal substance, wherein nozzles connected with the ink chambers are formed by penetrating the plate; heaters provided between the protective layers of the nozzle plate and positioned above the ink chambers for heating the ink within the ink chambers; and conductors for applying electricity to the heaters.
COPYRIGHT: (C)2005,JPO&NCIPI

7. 发明专利

DE602004014845D1 未知
公开(公告)号：DE602004014845D1
公开(公告)日：2008-08-21
申请号：DE602004014845
申请日：2004-05-26
申请人： SAMSUNG ELECTRONICS CO LTD
发明人： KIM MIN-SOO , SHIN SU-HO , OH YONG-SOO , LIM HYUNG-TAEK , SHIN JONG-WOO , BAEK SEOG-SOON
IPC分类号： B41J2/05 , B41J2/14 , B41J2/16 , B41J2/335 , B41J2/45
摘要： An ink-jet printhead comprises an ink passage formed in the same plane as an ink chamber, a metallic nozzle plate disposed on a substrate, a heat dissipating layer formed of a metallic material, and a heater and conductor disposed between passivation layers of a nozzle plate. An ink-jet printhead comprises a substrate (100), an ink chamber (106) to be filled with ink and formed on the substrate surface, a manifold that supplies ink to the ink chamber formed on a rear surface of the substrate, and an ink passage connecting the ink chamber and the manifold and formed parallel to the substrate surface; a nozzle plate (120) including passivation layers stacked on the substrate and formed of an insulating material, and a heat dissipating layer (128) formed of a metallic material having good thermal conductivity and through which a nozzle connected to the ink chamber is formed; and a heater and a conductor disposed between the passivation layers of the nozzle plate. The heater (108) is positioned on the ink chamber and heats ink in the chamber. The conductor applies a current to the heater. An independent claim is also included for a method of manufacturing an ink-jet printhead comprising forming a sacrificial layer on a substrate surface, stacking passivation layers on the substrate and forming a heater and conductor connected to the heater between the passivation layers, forming a heat dissipating layer of metal on the passivation layers and forming a nozzle to expose the sacrificial layer; forming a manifold on a rear surface of the substrate; removing the sacrificial layer to form an ink chamber and ink passage; and connecting the manifold and ink passage.

8. 发明专利

DE602004009001T2 未知
公开(公告)号：DE602004009001T2
公开(公告)日：2008-06-19
申请号：DE602004009001
申请日：2004-07-28
申请人： SAMSUNG ELECTRONICS CO LTD
发明人： LIM JI-HYU , OH YONG-SOO , BAEK SEONG-SOON , LIM HYUNG-TAEK , LEE CHANG-SEUNG , KIM YOUN-JAI , LEE YOU-SEOP
IPC分类号： B41J2/05 , B41J2/335
摘要： Provided is an apparatus for driving an inkjet printhead in which a current is applied to a heater to heat ink filled in an ink chamber and expand bubbles so that the ink is ejected from the ink chamber due to the expansive force of the bubbles. The apparatus alternately applies the current to the heater.

9. 发明专利

DE60306472T2 未知
公开(公告)号：DE60306472T2
公开(公告)日：2007-02-08
申请号：DE60306472
申请日：2003-10-16
申请人： SAMSUNG ELECTRONICS CO LTD
发明人： LIM HYUNG-TAEK , SHIN JONG-WOO , SONG HOON , OH YONG-SOO , LEE CHANG-SEUNG
IPC分类号： B41J2/05 , B41J2/14 , B41J2/16
摘要： The printhead has a heat dissipating layer (128) made of a transition element such as nickel/gold which has high thermal conductivity. The layer dissipates heat in/around a heater, to the outside. A nozzle (138) for ejecting ink from an ink chamber , has a lower portion having a cylindrical shape and an upper portion having a tapered shape in which the cross-sectional area decreases towards the exit. An independent claim is also included for monolithic inkjet printhead manufacturing method.

10. 发明专利

DE60306472D1 未知
公开(公告)号：DE60306472D1
公开(公告)日：2006-08-10
申请号：DE60306472
申请日：2003-10-16
申请人： SAMSUNG ELECTRONICS CO LTD
发明人： LIM HYUNG-TAEK , SHIN JONG-WOO , SONG HOON , OH YONG-SOO , LEE CHANG-SEUNG
IPC分类号： B41J2/05 , B41J2/14 , B41J2/16
摘要： The printhead has a heat dissipating layer (128) made of a transition element such as nickel/gold which has high thermal conductivity. The layer dissipates heat in/around a heater, to the outside. A nozzle (138) for ejecting ink from an ink chamber , has a lower portion having a cylindrical shape and an upper portion having a tapered shape in which the cross-sectional area decreases towards the exit. An independent claim is also included for monolithic inkjet printhead manufacturing method.

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