baber/WOPTO huggingface dataset:
Patent KR-20090003001-A (KR)
Title: Apparatus and method for providing sim application toolkit in mobile communication system
Inventor: CHA DU JIN
IPC: H04W4/50
Filed: 2007-07-05
Abstract: An apparatus and a method for providing SIM application tool kit in a mobile communications system for performing a SAT service are provided to perform an SAT(Sim Application Toolkit) service without allocating wireless resource for SAT(Sim Application Toolkit) service. An input unit(204) provides the input of user including a keypad equipped with a plurality of function keys to a controller(202). A display unit(206) displays the state information generated in the operation of the mobile communications terminal(100). A communications unit(208) performs a function for spreading and channel decoding of receiving signal received through an antenna. A message for USSD(Unstructured Supplementary Service Data) session connection and a USSD service is transmitted and received. A connection management part(212) senses the request of the SAT service from a user. The SAT service request message (M01) is transmitted to the subscriber identification module card(110).
Patent KR-20090014786-A (KR)
Title: Jig for marking and checking accuracy of retainer bar
Inventor: PARK YOUNG DEOK
IPC: B63B9/06
Filed: 2007-08-07
Abstract: A tool for the retainer bar marking and checking is provided that the fin part connected in the first wing portion and the second wing part is set up. A tool for the retainer bar marking and checking comprises a first wing portion(110) forming the first lower part elongated groove and the first for exceeding the retainer bar and disposing, and the second supporting board, a second wing part(120) which is hinge-coupled in the first wing portion and forms the second lower part elongated groove and the third, and the fourth supporting board, a fin part(140) connected for the location check of the retainer bar in the first wing portion and the second wing part.
Patent KR-20090018333-A (KR)
Title: Dryice blasting apparatus for non-excavating rebirth of water pipe
Inventor: CHOI JIN HEUNG
IPC: B08B9/023
Filed: 2007-08-17
Abstract: A water supply and drainage pipe non-excavation rebirth dry ice cleaner is provided to efficiently remove the scale layer formed within the conduit line by spraying the dry ice using the blow nozzle is mounted to the guide means. A water supply and drainage pipe non-excavation rebirth dry ice cleaner comprises the main body(100) driving straight and goes back in the conduit line; rotating means(200) including the center frame(210) installed at the front side of the main body and the motor(240) installed at the upper part of the center frame; the guide means having the guide arm(300) which is rotated with the motor and is arranged around the conduit line side as the cross hair; the blowing means(400) spraying the dry ice on the scale layer formed in the conduit line side and having the blow nozzle(420) equipped in the tip-end part of the guide arm; and punching means(500) which strikes the conduit line side with the designated time interval in order to decrease impact in the scale layer.
Patent KR-20090018746-A (KR)
Title: 인터넷뱅킹 컴퍼넌트(또는 메뉴) 재구성 방법 및 시스템과이를 위한 기록매체
Inventor: KIM KI JUNG
IPC: G06Q40/02
Filed: 2007-08-18
Abstract: 본 발명은 인터넷뱅킹 컴퍼넌트(또는 메뉴) 재구성 방법 및 시스템과 이를 위한 기록매체에 관한 것으로서, 본 발명에 따른 인터넷뱅킹 컴퍼넌트(또는 메뉴) 재구성 시스템은, 고객단말로 제공된 인터넷 뱅킹 웹페이지에 대한 컴퍼넌트(또는 메뉴) 클릭 순서, 또는 상기 고객이 자주 이용하는 컴퍼넌트(또는 메뉴)를 주기적으로 모니터링하는 모니터링 처리수단과, 상기 컴퍼넌트(또는 메뉴) 클릭 순서, 또는 상기 고객이 자주 이용하는 컴퍼넌트(또는 메뉴)를 적어도 하나 이상 포함하는 모니터링 결과 정보를 고객정보와 연계하여 저장매체(1)에 저장하는 정보 저장수단과, 상기 저장매체(1)와 연계하여 상기 인터넷 뱅킹 웹페이지에 포함된 컴포넌트 재구성이 필요한지 확인하는 웹페이지 확인수단과, 상기 확인결과 컴포넌트 재구성이 필요하면, 컴퍼넌트(또는 메뉴) 클릭 순서에 따라 상기 인터넷 뱅킹 웹페이지에 포함되는 컴퍼넌트(또는 메뉴) 위치를 좌측에서 우측 방향(또는 상단에서 하단방향)으로 재구성하거나, 또는 상기 고객이 자주 이용하는 컴퍼넌트(또는 메뉴)를 상기 인터넷 뱅킹 웹페이지 상의 좌측(또는 상단) 방향으로 이동하여 재구성하는 정보 처리수단 및 고객정보와 상기 컴퍼넌트(또는 메뉴) 재구성 정보를 연계하여 저장매체(2)에 저장하는 정보 저장수단을 구비한다. 
       
     인터넷뱅킹, 컴퍼넌트, 재구성
Patent KR-20090019147-A (KR)
Inventor: KIM SUNG JIN
IPC: G07F19/00
Filed: 2007-08-20
Abstract: 본 발명은 반송로 상에 설치되어 지폐의 이송방향을 전환시키는 게이트의 진동을 방지하기 위한 지폐반송장치를 제공하고자 함에 그 목적이 있다. 
     이를 구현하기 위한 본 발명은, 지폐가 이송되는 반송로 상에 설치되어 상기 지폐의 이송방향을 전환시키기 위한 게이트; 상기 게이트의 방향을 전환시키기 위한 솔레노이드; 상기 솔레노이드 작동시 상기 게이트가 선회되도록 상기 솔레노이드와 게이트를 연결하는 연결부; 상기 연결부상에 설치되어 상기 솔레노이드 작동시 발생하는 진동이 상기 게이트에 전달되는 것을 차단하기 위해 진동흡수재질로 이루어진 진동차단부재;를 포함하여 이루어진다. 
       
     지폐, 게이트, 진동, 솔레노이드
Patent KR-20090025754-A (KR)
Inventor: PARK YONG SUNG
IPC: H01L21/68
Filed: 2007-09-07
Abstract: A wafer container, an apparatus and a method for detecting the wafer received in the wafer container are provided to detect the number of wafers without opening a cover by irradiating the light to the wafer container with the window. A wafer container(110) has a window in which the light passes. The wafer container is positioned in a table(210). A first sensor(220) and a second sensor(230) senses wafers through the window of the wafer container positioned in the table. A reflective unit(240) moves the sensor.
Patent KR-20080023645-A (KR)
Title: Liquid crystal aligning agent and liquid crystal display device
Inventor: YASUDA HIROYUKI
IPC: C09K19/56
Filed: 2007-09-10
Abstract: A liquid crystal aligning agent, and a liquid crystal display device containing a liquid crystal alignment layer obtained by using the liquid crystal aligning agent are provided to improve rubbing resistance by enhancing the density and hardness of a liquid crystal alignment layer. A liquid crystal aligning agent comprises an aromatic amine compound represented by the formula 1, wherein A is a trivalent aromatic group; R1 to R6 are identical or different one another and are an aromatic group. Preferably the aromatic amine compound of the formula 1 is a compound represented by the formula 2, wherein R7 to R12 are independently H, an amino group or a monovalent organic group.
Patent KR-20090028857-A (KR)
Title: Air conditioning apparatus
Inventor: PARK HYUNG HO
IPC: F24F13/10
Filed: 2007-09-17
Abstract: An air-conditioner is provided to remove the need of separate outside air inflow structure and outdoor unit by using indoor air to perform heat exchange of the evaporator and the condenser. A case(11) of an air-conditioner includes an indoor air inlet, indoor air outlets(112,113), exhaust holes(114,115) for discharging the indoor air, a ventilation fan(12) installed on the rear inside, and a partition wall(16) dividing the case inner space into a first space and a second space. The refrigerant circulation cycle includes, at least, a condenser(14) installed in the first space and an evaporator(15) installed in the second space. Dampers(40,41) close the outlets and the exhaust holes alternately.
Patent KR-20080077540-A (KR)
Title: Sawing and handling apparatus for manufacturing semiconductor package
Inventor: SHIM MOO SUP
IPC: H01L21/301
Filed: 2007-09-20
Abstract: A cutting and handling apparatus for manufacturing a semiconductor package is provided to prevent a water mark from being remained on a semiconductor package by not drying the semiconductor package in a high-temperature. A cutting and handling apparatus for manufacturing a semiconductor package includes a cutting and grinding unit(20), a washing unit(30), an inspecting sheet block(40), a vision inspection unit(51, 52), an unloading unit(90) and an unloading picker(60). The cutting and grinding unit cuts a supplied strip and individualizes the semiconductor package. The washing unit removes an impurity on the individualized the semiconductor package by washing water injection. At least two inspecting sheet blocks receive the conveyed semiconductor package from the washing unit in order to perform a vision inspection. The vision inspection unit inspects the semiconductor package on the inspecting sheet block. The unloading unit stores the inspected semiconductor package to a predetermined tray. And the unloading picker conveys the inspected semiconductor package to the unloading unit.
Patent KR-20080030487-A (KR)
Title: Image sensing apparatus and control method
Inventor: URISAKA SHINYA
IPC: H04N5/235
Filed: 2007-09-21
Abstract: An image pickup apparatus and a method for controlling the same are provided to respond to the brightness change of an object immediately without delay of an AE(Auto Exposure) mode, when a photographing operation is performed at a slow shutter rate, thereby obtaining a stable image. An image pickup apparatus comprises an image pickup element(120), a diaphragm, a shutter, a diaphragm-controlling unit(104), a shutter rate-controlling unit, an amplifier for amplifying an output signal of the image pickup element, a signal-processing unit(114) for processing the output signal of the image pickup element to output image data, and an external sensor(107). The external sensor senses a brightness of an object as external brightness information, during a sense period set to be shorter than a sampling period of the image pickup element. When a rate of the shutter is set to be longer than a predetermined period, an exposure degree is controlled by using the external brightness information.
Patent KR-20090032442-A (KR)
Title: Initial casting method for stable casting in twin roll strip casting
Inventor: KIM WAN SOO
IPC: B22D11/06
Filed: 2007-09-28
Abstract: An initial casting method of a twin roll strip caster is provided to prevent scum formed in the edge dam from easily separating and being mixed in the strip, by controlling the movement of the casting roll in initial casting. An initial casting method of a twin roll strip caster is characterized in that the molten-metal height reaching time is greater than that of the casting speed reaching time so that the casting thickness increases, when the casting thickness is less than the target thickness, until the speed and molten-steel height of a casting roll(10) in initial casting reach the target value. The ratio between the molten-metal height reaching time and the casting speed reaching time is 1:1.2~1.3, thereby securing the performance of the motor and stability of discharge process and increasing the contact time between the casting roll and the molten metal.
Patent KR-20090035124-A (KR)
Title: 반도체 소자 및 그 제조 방법
Inventor: LEE MIN YUNG
IPC: H01L21/78
Filed: 2007-10-05
Abstract: 본 발명은 반도체 소자 및 그 제조 방법에 관한 것으로, 본 발명의 반도체 소자는, 복수개의 칩 및 상기 칩 사이에서 가로축 및 세로축으로 배열되는 복수개의 스크라이브 레인을 포함하는 웨이퍼를 갖는 반도체 소자에 있어서, 상기 복수개의 스크라이브 레인 중 일부 스크라이브 레인은 적층 박막이 모두 제거된 오픈 스크라이브 레인이고, 나머지 스크라이브 레인은 적층 박막이 존재하는 필드 스크라이브 레인이고, 상술한 본 발명에 의한 반도체 소자 및 그 제조 방법은, 웨이퍼 상에 적층된 박막을 오픈 스크라이브 레인에 의하여 국부적으로 분할시킴으로써 응력의 작용을 분산시켜 웨이퍼 휨을 최소화할 수 있다. 
       
     웨이퍼 휨, 응력, 칩, 스크라이브 레인
Patent KR-20090037025-A (KR)
Title: Telescope two-uniform hydraulic cylinder
Inventor: BAE BOO HYEON
IPC: F15B15/14
Filed: 2007-10-11
Abstract: A two stages hydraulic cylinder of telescope is provided to improve the utilization efficiency and to increase durability since two stages structure can be steadily operated. A two stages hydraulic cylinder of telescope comprises a cylinder main body(110) which includes an oil inlet(114), a first piston(120) which includes a narrow diameter part(124) that passes through the inside of the hydraulic chamber in the top, an expand diameter part(142) which is corresponded to the lower part external diameter in order to contact with each other with the inside diameter of the hydraulic chamber of diameter, a narrow diameter part(143) which is corresponded to the down center in order to contact with each other with the external diameter of the internal road(130) of diameter, and a second piston(140) in which the oil entrance(144) that passes through the inside of the hydraulic chamber(141) is equipped.
Patent KR-20090038693-A (KR)
Title: Biodegradable polymer nanocylinders and fabrication method thereof
Inventor: PARK TAE GWAN
IPC: B82B3/00
Filed: 2007-10-16
Abstract: A method for producing a biodegradable polymer nanocylinder is provided to enable the biodegradable polymer nanocylinder to be uniformly dispersed in a liquid by applying shear stress or ultrasonic wave to the biodegradable nanofiber nonwoven wherein each nanofiber is selectively fragmented. A method for producing a biodegradable polymer nanocylinder comprises the following steps of: dissolving biodegradable aliphatic polyester polymer or biocompatible copolymer different from biodegradable polymer to prepare a nanofiber nonwoven through electric radiation; fragmenting each nanofiber by digesting the prepared nanofiber nonwoven in acid or basic organic solvents or aqueous solutions to induce chemical decomposition reaction so that a surface of the nanofiber has functional groups; and applying fluid shear stress and ultrasonic wave to the fragmented nanofiber to produce uniformly dispersed nanocylinder.
Patent KR-20090040501-A (KR)
Title: Method and device for manufacturing conductive ply yarn
Inventor: CHA YONG CHUL
IPC: D06M11/00
Filed: 2007-10-22
Abstract: A method for manufacturing a conductive ply yarn and an apparatus thereof are provided to use the conductive ply yarn as an electric resistant material having noncombustible and durability of glass fiber widely. An apparatus for manufacturing a conductive ply yarn using textile glass yarns and a malleable rubber solution comprises the following steps of: a yarn supplying part(100) supplying a plurality of glass yarns(102); a conductivity impregnation part(200) dipping the thread in a rubber solution(201); a dry hardening tunnel part(300) in which a plurality of glass yarns dipped with regular intervals; and a twist processing and a winding part(400) implementing a twist, drying and hardening process at the same time with a withdrawal roller(405).
Patent KR-20080039243-A (KR)
Title: Method of manufacturing silicon carbide semiconductor device
Inventor: NAKAMURA HIROKI
IPC: H01L29/78
Filed: 2007-10-24
Abstract: A method for manufacturing a silicon carbide semiconductor device is provided to prevent polysilicon composing a gate electrode from being oxidized. A channel region(4) made of silicon carbide is formed on a substrate(1) made of silicon carbide. The channel region provides an electric current passage. A first impurity region is formed at an upstream side of the electric current passage on the substrate. A second impurity region is formed at a downstream side of the electric current passage on the substrate. A gate insulation layer(8) is formed on a surface of the channel region. A gate electrode(9) is formed on the gate insulation layer in order to form a semiconductor element. A layer is formed on the semiconductor element in order to provide a material of an interlayer dielectric(10). The interlayer dielectric is formed from the layer. A reflow process is performed at temperature of 700 degrees centigrade and more in wet atmosphere in order to round and oxidize an edge of the gate electrode. The channel region provides a channel of the semiconductor element. The channel is controlled by controlling a voltage applied to the gate electrode.
Patent KR-20090042412-A (KR)
Title: Method of password-based authentication and key exchanging
Inventor: NYANG DAE HUN
IPC: H04L9/28
Filed: 2007-10-26
Abstract: A password base authentication and a key exchange method are provided to rapidly authenticate without weakening the security intensity between the client and the server. The client produces and stores the random number(b) without concerning the password(pi). The server produces and stores the random number(c) without concerning the user ID(C). The server produces and stores the random number(y) by concerning the user ID. If the client receives the user ID and password from user, transmits the user ID and m. After the server receives the user ID and m, the server calculates the session key generation coefficient(mu), and transmits mu and c to the client. The client receives mu and c, and extracts the key material information(alpha), and computes the key exchange element(k1), and transmits to the server. The server receives k1, and computes the key exchange element(k2). If the k1 and k2 are equal, the server transmits k2, and the client produces the session key(skc).
Patent KR-20090044862-A (KR)
Inventor: PARK TAI JOON
IPC: G06Q10/08
Filed: 2007-11-01
Abstract: 바코드 및 RFID를 이용한 제품 입출고 관리 장치 및 방법을 개시한다. 입고되는 제품의 포장 박스에 인쇄된 바코드를 스캔하는 바코드 스캐너와, 상기 포장 박스 내에 포함된 제품 각각의 태그 정보를 읽는 RFID 리더와, 상기 스캔된 바코드 정보 및 상기 포장 박스 내에 포함된 제품 각각의 태그 정보를 수신하여 매칭시키는 제품 관리 서버 및 상기 매칭된 바코드 정보 및 태그 정보를 저장하는 데이터베이스 서버;를 포함하는 바코드 및 RFID를 이용한 제품 입고 관리 장치를 제안한다.  
       
     바코드, RFID, 입출고 관리,
Patent KR-20090046516-A (KR)
Inventor: PARK HEE SU
IPC: H04B10/2581
Filed: 2007-11-06
Abstract: 본 발명은 광자쌍 생성장치에 관한 것으로서, 더욱 상세하게는 다중모드 광도파로 내에서 일어나는 자발 사광파 혼합(spontaneous four-wave mixing)과 다중모드 광도파로를 진행하는 빛의 공간모드(spatial mode)의 제어를 이용한 저잡음 광자쌍 생성장치에 관한 것이다. 
     이를 위하여 본 발명은 2개의 펌프광원; 적어도 2 이상의 공간모드를 전파시키는 다중모드 광도파로로서, 상기 2개의 펌프광원에서 출사된 펌프광이 입사되어 동일한 공간모드에 존재하면서 자발 사광파 혼합을 일으키되, 상기 펌프광이 존재하는 공간모드와 상기 자발 사광파 혼합으로 생성되는 2개의 광자가 존재하는 공간모드는 서로 상이한 공간모드인 제1 다중모드 광도파로; 상기 제1 다중모드 광도파로를 통하여 진행된 상기 펌프광과 상기 2개의 광자를 공간모드별로 분리시켜 각각 별도의 광도파로로 진행시키는 모드분할결합기; 상기 모드분할결합기를 통과한 상기 펌프광이 진행하는 제2 다중모드 광도파로; 상기 모드분할결합기에서 상기 펌프광과 분리된 상기 2개의 광자가 진행하는 단일모드 광도파로; 및 상기 단일모드 광도파로를 통하여 진행된 2개의 광자를 광자별로 분할하여 별개의 광자출력단자로 진행시키는 빔분할기;를 포함하는 것을 특징으로 한다. 
       
     광자쌍, 예고 단일광자, 얽힘상태, 자발 사광파 혼합, 광도파
Patent KR-20080063058-A (KR)
Title: Steel plate having heat-affected zone providing excellent toughness for ultra high input welding
Inventor: TAKAOKA HIROYUKI
IPC: C22C38/00
Filed: 2007-11-20
Abstract: A steel plate having a heat-affected zone(HAZ) with excellent toughness in ultra high input heat welding is provided to secure excellent HAZ toughness even when heat input welding of more than 60KJ/mm is performed. A steel plate having a heat-affected zone with excellent toughness in ultra high input welding comprises 0.03-0.10 mass% of carbon, less than 0.5 mass% of silicon(including 0%), 1.0-2.0 mass% of manganese, less than 0.015 mass% of phosphorus(excluding 0%), less than 0.0010 mass%(excluding 0%) of sulfur, 0.005-0.060 mass% of aluminum, 0.008-0.030 mass% of titanium, 0.0050-0.010 mass% of nitrogen, 0.0015-0.0035 mass% of calcium and less than 0.0015%(excluding 0%) of oxygen.
Patent KR-20080106389-A (KR)
Title: Cablecard
Inventor: LEE SUK YOON
IPC: H04N21/418
Filed: 2007-11-21
Abstract: A system-on-chip platform of a cable card satisfying an open cable standard is provided to minimize a time for performing development and verification. An interface block includes a plurality of protocol stacks for supporting the reception limited function about the encrypted transport stream which is provided from a host or a copy guard operation. A password processor(260) exchanges the host and the data through the interface block, and produces a cryptographic key for the subscriber authentication of host and copy guard. At least on of a plurality of protocol stacks is implemented according to the transaction level modeling technique.
Patent KR-20090052961-A (KR)
Inventor: KIM BONG SOO
IPC: C08K5/372
Filed: 2007-11-22
Abstract: 본 발명에 따른 저온 경화 열경화성 에폭시 수지 조성물은, (A) 변성 에폭시 수지 20∼50 중량%, (B) 경화제 10∼30 중량%, (C) 부착증진제 2∼5 중량%, (D) 잠재성 경화 촉진제 1∼3 중량%, 및 (E) 충진제 20∼50 중량%로 이루어지는 것을 특징으로 한다. 
     변성 에폭시 수지, 내습성, 내크랙성, 내충격성
Patent KR-20090054001-A (KR)
Inventor: OK YUN SUN
IPC: A43C11/12
Filed: 2007-11-26
Abstract: 신발에 장착하여 신발끈을 대체하여 신발을 묶어 체결할 수 있는 신발체결구에 관한 것이다. 
     본 발명에 따른 신발체결구는 신발끈이 끼워지는 지점마다 신발끈을 대체하여 끼워질 수 있는 여러 개의 걸이부를 가지는 구성을 특징으로 하며, 이러한 구성을 통해 신발끈이 없어도 누구나 간편히 신발을 체결할 수 있으며, 사이즈를 편리하게 조절할 수 있고, 쉽게 신발을 신고 벗을 수 있다. 
       
     신발, 신발끈, 신발체결구
Patent KR-20090055921-A (KR)
Title: Packet forwarding method in the case of the handover between base stations
Inventor: PARK JI SOO
IPC: H04L12/56
Filed: 2007-11-29
Abstract: A packet forwarding method during handover between base stations is provided to supply a data format in which a final time of a packet transmitted from a source base station is grasped during handover between base stations. A source base station transmits user data for handover to a target base station(S105). When a packet to be forwarded to the target base station from the source base station does not exist, control data indicating a final time of the forwarding packet is transmitted to the target base station(S110). The target base station recognizes that there are no packet to be forwarded from the control data(S120). The target base station immediately transmits a downlink packet received from a serving gateway to a terminal without a standby time(S130).
Patent KR-20090058119-A (KR)
Title: Composition of optical layer and method of fabricating optical layer for liquid crystal display device using the same
Inventor: SHIN DONG CHEON
IPC: C09D7/12
Filed: 2007-12-04
Abstract: A composition for an optical layer is provided to form an optical layer with excellent optical characteristic such as phase difference(Deltand) value and dimensional stability such as size, to suppress the fluidity by a photopolymer and to prevent the degradation of impact resistance. A composition for an optical layer of a liquid crystal display comprises an RM material of 15~28 weight%, a photoinitiator of 1~5 weight%, a thermal initiator of 0.1~1 weight%, a surfactant of 0.1~5 weight%, a stabilizer of 0.01~5%, a photopolymer having a repeating unit represented by chemical formula 1 of 1~5 weight% and the balance of solvent. In chemical formula 1, m+n=1, 0<=m<=1 and 0<=n<=1; R1 is selected from the following chemical formula 2a - 2d; each of R2 and R3 is one selected from a C1-30 alkylamine compound, alkoxyamine compound, alkylbenzyl or alkoxybenzyl compound; and each of R4 and R5 is one selected from carboxylic acid compounds including a C1-30 alicyclic or aromatic compound.
Patent KR-20090060515-A (KR)
Title: Shoe
Inventor: KYUNG CHONG MAN
IPC: A43B7/00
Filed: 2007-12-10
Abstract: Footwear is provided, which enables to conveniently exchange the heel if a heel is worn away and can save the time and expenses. Footwear comprises: a footwear body; an outsole which is fixed in order to cover the lower part of the half main body; finger pressure rods(2,3) which are formed inside the outsole in order to flexibly press the sole of the foot; a heel(6) protruded to the bottom in the rear part of the footwear body; snap fasteners formed in the heel; a replaceable heel(8) formed in the lower part of heel; snap fasteners which are formed inside the replaceable heel and make change of the heels easy.
Patent KR-20090061397-A (KR)
Title: Printed circuit board chiller
Inventor: LEE KWANG WON
IPC: H05K7/20
Filed: 2007-12-11
Abstract: A chiller for effectively cooling a heat generated in a printed circuit board is provided to improve cooling efficiency by using a state change of a heat transfer medium filled in a cooling fin. A chiller(100) includes a printed circuit board, a sink pad(300), and a cooling fin. The sink pad is arranged in one side of the printed circuit board. The cooling fin is arranged on a top part of the sink pad. A plurality of cooling parts is formed in a unit body of the cooling fin. A heat transfer medium is filled in a plurality of space parts. The heat transfer medium has a low boiling point. A groove(310) is formed between the adjacent space parts. A wick(400) is formed in an inner wall of each space part. The wick includes a porous gap. The wick has a valley shape.