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Sung-Joon Park Patents
Inventor:
Park; Sung-Joon
Address:
Gyeonggi-do, KR
No. of patents:
23
Patents:




Patent Number Title Of Patent Date Issued
7411240 Integrated circuits including spacers that extend beneath a conductive line August 12, 2008
Integrated circuit devices are fabricated by fabricating a conductive line on an insulating layer on an integrated circuit substrate. The conductive line includes a bottom adjacent the insulating layer, a top remote from the insulating layer and first and second sidewalls therebetween. A
7407272 Ink jet head substrate and ink jet head having metal carbon nitride resistor August 5, 2008
An ink jet head substrate, an ink jet head and method of manufacturing the ink jet head substrate. The ink jet head substrate includes a supporting structure and at least one heat-generating resistor disposed on the supporting structure to generate a thermal energy to eject ink and made
7377624 Ink jet head having channel damper and method of fabricating the same May 27, 2008
An ink jet head having a channel damper, and a method of fabricating the same. The ink jet head includes a heat-generating resistor disposed on a substrate to generate pressure for ink ejection, a chamber layer disposed on the substrate to enclose the heat-generating resistor and having
7373150 Method and system for allocating frequency resources based on multiple frequency reuse factors i May 13, 2008
Disclosed are a system and a method of allocating frequency resource in a cellular communication system. The method includes the steps of dividing a predetermined time duration into at least two sub-time durations, and forming the frequency resource by applying mutually different frequen
7341332 Ink-jet printhead and manufacturing method thereof March 11, 2008
An ink-jet printhead and a manufacturing method thereof include a substrate on which a space portion is formed, a passage plate installed on the substrate in which an ink chamber is formed to store ink, a nozzle plate installed at a top surface of the passage plate in which a nozzle
7320513 Bubble-ink jet print head and fabrication method thereof January 22, 2008
A bubble-ink jet print head includes: a substrate having ink chambers to store ink and resistance heat emitting bodies to heat ink disposed thereover; and an ink supply passage which penetrates the substrate and which is connected with the ink chambers. The ink supply passage include
7278709 Photo-curable resin composition, method of patterning the same, and ink jet head and method of f October 9, 2007
A photo-curable resin composition, a method of patterning the same, an ink jet head, and a method of fabricating the same. The photo-curable resin composition includes an epoxy compound, a photo-catalyst provided as a photo-initiator, and a non-photo reactive solvent. The photo-catalyst
7268709 Method for generating codeword using repetition September 11, 2007
Disclosed is a method for generating codewords through a repetition having a number of repetitions by means of multiple code symbols generated by a mother code and included in a slot. The method including the steps of generating the code symbols through a channel coding for input inf
7229158 Protective layer of ink-jet print head and method of making ink-jet print head having the same June 12, 2007
An ink-jet print head and a method of making the same comprising the steps of sequentially laminating a heating layer and an electric conductive layer on a substrate, patterning the electric conductive layer to expose a predetermined area of the top surface of the heating layer, forming
7070912 Method of manufacturing monolithic inkjet printhead July 4, 2006
A method of manufacturing a monolithic inkjet printhead wherein the uniformity of the ink flow path is maintained by ensuring that the flow path forming layer and the nozzle layer are completely adhered to each other. The method includes forming a heater and electrode on a substrate,
7005244 Method of manufacturing monolithic inkjet printhead February 28, 2006
A method of manufacturing a monolithic inkjet printhead. The method may include forming on a substrate a heater for heating ink and an electrode for supplying current to the heater, forming a passage forming layer that surrounds an ink passage by applying negative-type photoresist to the
6974208 Head of inkjet printer and method of manufacturing the same December 13, 2005
A head of an inkjet printer is formed by bonding of a heater substrate and a nozzle plate. In order to bond the heater substrate where a heater thin film and a protecting film are vapor-deposited, and the nozzle plate where a nozzle is formed, an intermediate layer is formed by forming a
6964743 Inkjet printhead and manufacturing method thereof November 15, 2005
An inkjet printhead and a manufacturing method thereof. The inkjet printhead includes a substrate, a substantially cylindrical ink chamber storing ink and formed in an upper portion of the substrate, and a manifold supplying ink to the ink chamber in a bottom portion of the substrate
6930341 Integrated circuits including insulating spacers that extend beneath a conductive line August 16, 2005
Integrated circuit devices are fabricated by fabricating a conductive line on an insulating layer on an integrated circuit substrate. The conductive line includes a bottom adjacent the insulating layer, a top remote from the insulating layer and first and second sidewalls therebetween. A
6926386 Inkjet printer head and method of fabricating the same August 9, 2005
An inkjet printer head includes a semiconductor wafer having a nozzle portion for ejecting ink, an ink cartridge for supplying ink to the nozzle portion, and an ink ejection unit interposed between the ink cartridge and the semiconductor wafer. A method of forming the printer head includ
6762012 Method of manufacturing monolithic ink-jet printhead July 13, 2004
A method of manufacturing a monolithic ink-jet printhead includes a heating element which generates bubbles by heating ink is formed on a surface of the substrate, and a negative photoresist which is coated to a predetermined thickness on the substrate on which the heating element is
6702428 Ink-jet printhead March 9, 2004
A bubble-jet type ink-jet printhead has a structure in which a base plate, a barrier wall, and a nozzle plate are stacked. The base plate includes a substrate on which a recess is formed to a predetermined depth, an adiabatic layer formed on the substrate, a heater which is formed on the
6661792 Apparatus for processing data packet of ethernet switch system and method thereof December 9, 2003
A method and apparatus for processing a data packet of an Ethernet switch system in which packet information is transferred from a first device to a second device on the basis of field information of a packet inputted through an Ethernet, including the steps of: detecting a first address
6595627 Inkjet printhead and manufacturing method thereof July 22, 2003
An inkjet printhead and a manufacturing method thereof. The inkjet printhead includes a substrate, a substantially cylindrical ink chamber storing ink and formed in an upper portion of the substrate, and a manifold supplying ink to the ink chamber in a bottom portion of the substrate
6360345 Decoding method of turbo codes using a weighted parallel type and device for the same March 19, 2002
In a turbo decoder for code rate 1/n which consists of a decoding block, that is, n-1 constituent decoders, n-2 interleavers and n-2 deinterleavers, one embodiment of a decoding method according to the present invention comprises: a first decoding process of sequentially decoding sta
5884729 Apparatus and method for controlling a plurality of elevator cars March 23, 1999
An apparatus and method for controlling a plurality of elevator groups each of which has at least a pair of elevator cars. The apparatus includes a master car controller for collecting data from and controlling a plurality of hall calls, cage calls and motors to thereby manage a respecti
5771398 Interface device for having first port control means to control drive having fast access and sec June 23, 1998
An interface device using a plurality of IDE Ports is disclosed, in which, in order to process signals of drives having different access times, separate IDE ports are added, so that different IDE ports can be selected in accordance with the respective access times. The interface device h
4848878 Non-glaring rearview mirror with liquid crystal mixture July 18, 1989
There is disclosed a rearview mirror absorbing the light when the orientation of the liquid crystal is caused to change.A suitable amount of cholesteric material is added to the nematic liquid crystal of negative dielectric anisotropy mixed with a blue dye by 2%. The ratio of the thickne


 
 
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