baber/WOPTO huggingface dataset:
Patent KR-20160002924-A (KR)
Title: 멀티-계층 비디오 코딩에서의 크로스 계층 픽처 타입 정렬의 표시
Inventor: RAPAKA KRISHNAKANTH
IPC: H04N19/13
Filed: 2014-04-17
Abstract: 일 예에 있어서, 본 개시는 적어도 신택스 엘리먼트, 제 1 네트워크 추상화 계층 유닛 타입, 및 복수의 픽처들을 포함하는 코딩된 액세스 유닛을 포함하는 비트스트림을 수신하는 것을 포함하는 기술들에 관한 것이다.     그 기술들은, 액세스 유닛이 크로스 계층 정렬을 이용하여 코딩되었는지 여부를 나타내는 신택스 엘리먼트의 값을 결정하는 것을 더 포함한다.     그 기술들은, 액세스 유닛에서의 픽처에 대한 제 1 네트워크 추상화 계층 유닛 타입을 결정하는 것, 및 제 1 네트워크 추상화 계층 유닛 타입이 타입 값들의 범위 내의 값과 동일한지 여부를 결정하는 것을 더 포함한다.     그 기술들은, 제 1 네트워크 추상화 계층 유닛 타입이 타입 값들의 범위 내의 값과 동일하면, 코딩된 액세스 유닛에서의 모든 다른 픽처들에 대한 네트워크 추상화 계층 유닛 타입을 제 1 네트워크 추상화 계층 유닛 타입의 값과 동일하게 설정하는 것을 더 포함한다.
Patent KR-20160003287-A (KR)
Title: Ｇｐｃ３ 키메라 항원 수용체 단백질을 코딩하는 핵산 및 ｇｐｃ３ 키메라 항원 수용체 단백질을 발현하는 ｔ임파세포
Inventor: LI ZONGHAI
IPC: C12N15/86
Filed: 2014-05-06
Abstract: 휴먼 T임파세포 표면에서 발현되는 키메라 항원 수용체 단백질을 코딩하는 핵산으로써, 상기 키메라 항원 수용체 단백질은 순서적으로 연결된 세포외 결합영역, 막관통영역 및 세포내 신호영역을 포함하며, 그중 상기 세포외 결합영역은 특이적으로 GPC3의 C말단 항원결정부를 식별하는 단사슬항체 scFv(GPC3)를 포함한다. 표면에서 일종의 키메라 항원 수용체를 발현하며, 상기 키메라 항원 수용체가 상기 핵산이 코딩되어 발현되는 형질전환 T임파세포.
Patent KR-20160091837-A (KR)
Inventor: STANLEY J WASSERMAN
IPC: B21J13/10
Filed: 2016-01-25
Abstract: A progressive forming machine having a frame supporting a plurality of workstations uniformly spaced in a horizontal plane, a transfer mechanism to shift parts from one station to another and from a last station to a discharge station, a conveyor in the frame to lower parts from the transfer discharge station, the conveyor having individual part carriers, the conveyor being arranged to present a carrier beneath the discharge station in a timed relationship to the operating cycle of the machine.
Patent KR-20170090133-A (KR)
Title: Circuit for downloading firmware
Inventor: YOON SEOK
IPC: H05B37/02
Filed: 2016-01-28
Abstract: The present invention relates to a firmware download circuit. According to an embodiment of the present invention, the firmware download circuit comprises a micom, a first switch, a second switch and a mode selection part. The micom comprises: a first functional end, a second functional end, a data input end and a clock input end and outputs a signal for controlling a light emitting diode (LED) in accordance with firmware stored through the data input end and the clock input end. The first switch outputs an input signal to the first functional end or the data input end in accordance with a mode signal. The second switch outputs an input signal to the second functional end or the clock input end in accordance with the mode signal. The mode selection part outputs a download mode signal or a function mode signal to at least one of the first switch and the second switch when a mode selection signal is input.
Patent KR-20170091278-A (KR)
Title: Chopsticks automatic ejecting device
Inventor: SEO MIN HO
IPC: G07F11/52
Filed: 2016-02-01
Abstract: An automatic chopstick dispenser of the present invention comprises: a main body which has an accommodating space where chopsticks are stored, and an outlet through which the chopsticks are discharged; a first support unit which is provided inside the main body and supports chopsticks discharged from the inside of the main body; roller units which are provided on both sides of the first support unit, are in close contact with both sides of a packaging paper wrapping the chopsticks and rotates to transfer the packaging paper to the outlet; and a rotation unit which is coupled with the roller unit to rotate in one direction. The chopsticks, along with the packaging paper transferred by the roller unit, are transferred from the accommodating space to the outlet and dispensed to the outside. The roller units provided in the both sides of the first support unit are in contact with both sides of the packaging paper wrapping the chopsticks and rotate to transfer the packaging paper to the outlet, such that the chopsticks are controlled to be dispensed by a chopstick dispensing unit. Therefore, the present invention prevents chopsticks from forcibly being dispensed while dispensing only the inputted number of chopsticks, such that the automatic chopstick dispenser is conveniently used in a noodle vending machine and the like.
Patent KR-20170092336-A (KR)
Title: Thermochromic dye compounds and thermochromic dye compositions comprising the same
Inventor: SON YOUNG A
IPC: C09B11/28
Filed: 2016-02-03
Abstract: The present invention relates to a dye compound, and a composition containing the same. More specifically, the present invention relates to a dye compound containing a compound represented by chemical formula I, an isomer thereof, or both thereof, and a dye composition containing the same. According to the present invention, it is possible to produce a novel dye compound which can be applied to products in various fields using temperature sensitive discoloration properties of the dye compound. In the chemical formula I, R to R9 are the same as defined in the claim 1.
Patent KR-20160096558-A (KR)
Title: Hammock System
Inventor: LEE HEE YUNE
IPC: A45F3/22
Filed: 2016-02-04
Abstract: The present invention relates to a hammock system which has a novel configuration, can be easily installed, has excellent safety properties, and can be used as a simplified amusement facility. The hammock system comprises: a horizontal member (100); a pair of corner connectors (200) combined with both ends of the horizontal member (100); and right and left leg members (300, 400) whose upper ends are combined with the corner connector (200) to allow the horizontal member (100) to be spaced apart from a bottom. The corner connector (200) includes: a horizontal connection portion (210) to which the end of the horizontal member (100) is inserted and combined; and a leg connection portion (220) to which the upper ends of the right and left leg members (300, 400) are inserted and combined; and a hammock hanging means (202) for hanging a hammock (10).
Patent KR-20170099446-A (KR)
Title: 진동을 이용한 모듈형 인라인 마이크로 드릴비트 재연마장치
Inventor: KUK YOUN HO
IPC: B24B47/20
Filed: 2016-02-23
Abstract: 본 발명은 진동을 이용한 모듈형 인라인 마이크로 드릴비트 재연마장치에 관한 것으로, 보다 상세하게는 마이크로 드릴비트를 세척, 재연마할 때 진동을 가하여 세척 효율 및 재연마 효율을 높인 진동을 이용한 모듈형 인라인 마이크로 드릴비트 재연마장치에 관한 것이다. 
또한, 사용한 마이크로 드릴비트에 고압의 세척수를 분사하여 세척한 후 건조공기를 분사하여 세척된 마이크로 드릴비트에 남아있는 세척수를 제거하는 세척 모듈과 상기 세척 모듈을 통해 세척된 마이크로 드릴비트를 하나씩 순차적으로 재연마한 후 연마 품질을 검사하여 연마 불량 마이크로 드릴비트를 따로 분류하는 마이크로 드릴비트 연마 모듈과 복수 개의 마이크로 드릴비트를 적재하기 위한 복수 개의 트레이와 상기 트레이를 세척 모듈, 연마 모듈로 이송시키기 위한 이송 모듈을 포함하며, 상기 연마 모듈은 마이크로 드릴비트를 재연마할 때 제1 진동부를 통해 마이크로 드릴비트를 진동시키면서 연마를 수행하는 것을 특징으로 한다.
Patent KR-20170105917-A (KR)
Inventor: AHN HYEON JU
IPC: B42F7/00
Filed: 2016-03-11
Abstract: 본 발명은, 온오프라인 연동이 가능한 북 밴드 장치 및 이를 이용한 온오프라인 북 연동 시스템에 관한 것으로서, 더욱 상세하게는, 오프라인 북의 페이지 정보에 대응되는 온라인 북의 페이지를 로딩할 수 있으므로, 오프라인 북에서 얻을 수 없는 상세한 정보를 온라인 북을 통해 확인할 수 있고, 오프라인 북의 페이지를 여러장 넘기더라도 이를 신속히 온라인 북에 적용할 수 있으며, 얇은 책부터 두꺼운 책까지 다양한 두께의 책 및 다양한 사이즈의 책도 용이하게 홀딩이 가능하고, 속지를 넘길 때 별도의 추가적인 조작이 필요치 않은 온오프라인 연동이 가능한 북 밴드 장치 및 이를 이용한 온오프라인 북 연동 시스템에 관한 것이다.
Patent KR-20170105926-A (KR)
Inventor: CHUNG SANG YONG
IPC: G01N1/28
Filed: 2016-03-11
Abstract: 본 발명은, 지하수 개발, 관리 및 보전에 중요한 대수층의 특성자료인 투수계수, 분산지수 및 유효공극률을 1회의 실험으로 동시에 결정할 수 있는 동시 결정 장치를 제공한다. 
상기한 동시 결정 장치는, 지하수 개발, 관리 및 보전에 중요한 대수층의 특성자료인 투수계수, 분산지수 및 유효공극률을 동일한 토양 시료를 이용한 1회의 실험으로 간단하게 결정할 수 있어 자료의 정밀성을 확보할 수 있고, 대수층의 특성분석을 위한 비용 및 시간을 획기적으로 절감할 수 있다.
Patent KR-20160117232-A (KR)
Inventor: MUSOLL ENRIQUE
IPC: G06F13/16
Filed: 2016-03-25
Abstract: Provided is a packet memory system for selectively outputting received packets to one or more output ports. The packet memory system comprises a controller for controlling the output ports. Specifically, for packets of a multicast or a broadcast traffic to be output from a plurality of ports, the controller designates one or more reader ports for reading packet data from a packet memory so as to enable the remaining ports to simply listen for the read packet data without performing a reading operation.
Patent KR-20170112185-A (KR)
Inventor: HONG SEOK HWAN
IPC: A41D13/11
Filed: 2016-03-31
Abstract: 본 발명은 방진 마스크에 관한 것으로, 더욱 상세하게는 마스크 본체의 하부에 형성된 배기구 출구단에 포집함이 설치되고 포집함에 배출관이 연결되어 배기구로 배출되는 마스크 본체의 내기가 포집함과 배출관을 따라 작업자의 머리 위로 배출됨으로써 내기로 인한 용접면이나 보안경에 발생하는 김 서림 현상을 방지할 수 있는 방진 마스크에 관한 것이다.  
본 발명에 따르면, 코와 입을 막도록 안면에 밀착되는 형태를 가지는 마스크 본체; 상기 마스크 본체의 양측에 설치되어 외기가 흡입되는 흡기구; 상기 마스크 본체의 하측에 설치되어 내기가 배출되는 배기구; 상기 마스크 본체의 양측에 밴드로 연결되어 머리에 씌워지는 고정대; 상기 배기구의 출구단에 설치되어 배출되는 내기를 모으는 포집함; 및 상기 포집함에 일단이 연결되고 타단이 상기 고정대의 상측 위에 이르도록 상기 포집함과 상기 고정대에 이르는 길이보다 더 길게 형성되어 포집함에 모인 내기를 상기 머리 위로 배출시키는 배출관;을 포함하여 구성되어 상기 배기구에 배출되는 내기를 작업자의 머리 위로 유인하여 배출함으로써 상기 내기에 의해 작업자가 착용하는 용접면과 보안경에 발생하는 김 서림이 방지되는 것을 특징으로 하는 방진 마스크를 기술적 요지로 한다.
Patent KR-20170120429-A (KR)
Title: 금속분말 유압성형 프레스용 분말소재 공급장치
Inventor: LEE DONG WHAN
IPC: B30B11/02
Filed: 2016-04-21
Abstract: 본 발명은 상부 다이실린더에 의해 상하 구동되는 상부 다이, 및 상기 상부 다이로부터 일정 간격 아래에 위치하고 중앙부에 금속분말의 투입 및 압축 성형을 위한 금형 홈이 형성된 하부 다이를 포함하는 금속분말 유압성형 프레스에 있어서의 분말소재 공급장치에 관한 것으로, 분말소재를 수용 및 공급을 위해 상기 프레스의 본체 일측에 설치되는 호퍼, 상기 호퍼의 하단으로부터 상기 금형 홈을 향하여 하향 연장하는 호스, 그리고 상기 호스의 끝단이 연결되는 작동유닛 및 상기 작동유닛을 구동시키는 구동모터를 포함하고, 상기 작동유닛은 상기 구동모터에 정·역 회전가능하게 연결되는 소정 길이의 회동레버와, 상기 회동레버의 상단에서 수직방향으로 상기 금형 홈을 향하여 연장된 연장레버를 포함한다.
Patent KR-20170122558-A (KR)
Inventor: YOUN SUK IL
IPC: C08L33/00
Filed: 2016-04-27
Abstract: The present invention relates to a resin composition, an optical film comprising the same, and a polarizing plate comprising the same, wherein the resin composition comprises: an acrylic resin; an impact modifier; and a block or graft copolymer having a rigid or flexible block. According to one embodiment of the present invention, the resin composition has excellent adhesive strength, and can form an optical film with excellent toughness without an additional drawing process.
Patent KR-20160128935-A (KR)
Title: Synthesizing method for quantum dot with enhanced optical and chemical stability
Inventor: LEE JEONG HOON
IPC: C09K11/66
Filed: 2016-04-29
Abstract: Provided is a method for synthesizing a quantum dot with enhanced optical and chemical stability. The method comprises: (a) a step of warming up mixture I containing a first precursor of a group 12 element to form a core, a second precursor of a group 12 element to form a shell, an unsaturated fatty acid and an organic solvent; (b) a step of providing mixture II containing a first precursor of a group 16 element to form a core, a second precursor of a group 16 element to form a shell and surfactants; (c) a step of providing mixture III containing a second precursor of a group 16 element to form an additional shell and surfactants; (d) a step of injecting the mixture II of step (b) into the mixture I of step (a); (e) a step of growing the additional shell by injecting the mixture III of step (c) into the reactant of step (d); and (f) a step of refining the reactant of step (e) to obtain powder.
Patent KR-20170125566-A (KR)
Inventor: LEE SU CHANG
IPC: H02H7/20
Filed: 2016-05-04
Abstract: The present invention relates to a photovoltaic module, and a photovoltaic system providing the same. According to an embodiment of the present invention, the photovoltaic module comprises: a solar cell module having a plurality of solar cells; and a junction box attached to the back surface of the solar cell module. The junction box includes: a capacitor part storing a direct current power from the solar cell module; and a shutdown part disposed on the front end of the capacitor part, consuming the direct current power stored in the capacitor part when the direct current power from the solar cell module deviates a permitted range, and operating so as to temporarily stop a power output. To this end, when supplying the direct current power except for the permitted range, rapidly, the power output can be stopped while the direct current power stored in the capacitor part is consumed.
Patent KR-20170008147-A (KR)
Inventor: KOMEMUSHI TAKASHI
IPC: A01K89/02
Filed: 2016-05-19
Abstract: The present invention provides a spool brake device for a fishing reel, capable of properly putting the brakes on a spool. According to the present invention, the spool brake device (20) comprises: a speed detection unit (31); a spool control unit (24); and a spool brake unit (22). The speed detection unit (31) detects a revolution speed () of the spool (12). The spool control unit (24) includes an acceleration generation unit (24a), an acceleration determination unit (24c), and a brake time estimation unit (24d). The acceleration generation unit (24a) generates time series data of revolution acceleration (a) based on the revolution speed () of the spool (12). The acceleration determination unit (24c) determines whether the revolution acceleration satisfies a predetermined condition based on the time series data of revolution acceleration (a). The brake time acceleration unit (24d) sets an estimation start time (t2) based on a time when the revolution acceleration satisfies the predetermined condition. Moreover, the brake time estimation unit (24d) estimates a brake state time (t3) of the spool (12) based on the estimation state time (t2). The spool brake unit (22) starts to pull the brakes on the spool (12) at the brake start time (t3).
Patent KR-20170130908-A (KR)
Inventor: KIM YU SIN
IPC: G02B5/02
Filed: 2016-05-20
Abstract: The present invention relates to a condensing lens for a light source module and the light source module using the same. The condenser lens maintains optical performance even when the light source module having two channels is switched from a main channel to a spare channel in order to increase the lifetime of the light source part of a road display panel to which optical fiber is applied. To this end, the present invention includes a base prat; and a lens part that is installed along the periphery of the base part and refracts incident light to the inside of the base part in a vertical direction and outputs the light to be condensed. Therefore, the present invention has an advantage that optical efficiency is increased while brightness distribution is uniform to improve the luminance of the light source part and to maintain luminance uniformity.
Patent KR-20170133912-A (KR)
Inventor: NA JONG KAP
IPC: A63B53/00
Filed: 2016-05-27
Abstract: The present invention relates to a device for practicing putting, allowing a user to learn how to put perfectly send golf balls to a target spot by hitting out the golf ball when putting. More specifically, the present invention relates to a device for practicing golf putting. To this end, a connection rod (10) is formed at a lower end portion of a rotation body connected by a rotational shaft (7) on a base body. By insertedly connecting a head valley (23) formed at a lower portion of a golf putter head and the connection rod (10) together, the user is allowed to repeatedly practice golf ball hitting by a circumferential reciprocating pendulum motion around the rotational shaft (7) along with the rotation body. The present invention further relates to a putter therefor.
Patent KR-20170136281-A (KR)
Inventor: HONG SOON SUN
IPC: A61K31/444
Filed: 2016-06-01
Abstract: The present invention relates to a composition including an imidazopyridine derivative with phosphotidylinostiol-3-kinase (PI3K) inhibitory activity as an effective component for preventing or treating arthritis. According to the present invention, the imidazopyridine derivative with PI3K inhibitory activity has an excellent effect for suppressing the proliferation of arthritis cells and eliminating the cells, and thus, the composition is able to be used for preventing or treating arthritis.
Patent KR-20170137497-A (KR)
Inventor: YANG JUNG IL
IPC: C01B3/38
Filed: 2016-06-03
Abstract: The present invention relates to a stand-alone self-sustaining heat exchanger type modular reformer which is capable of varying a production amount of hydrogen to be able to produce designed hydrogen by a heat exchanger type reaction heat supplier for supplying reaction heat and by a metal foam which is filled in a catalyst layer for absorbing heat for a high endothermic reaction to produce hydrogen utilizing gas in a distant place, a remote area, or a deep sea environment. The stand-alone self-sustaining heat exchanger type modular reformer comprises: a first reactor (100) including an inflow unit (110) which is formed in one end of the first reactor, and through which a reactant is flown into the first reactor, a catalyst layer (120) with which the reactant is made to react under predetermined reaction conditions, and a discharge unit (130) which is formed in the other end of the first reactor, and through which a product produced by passing the reactant through the catalyst layer is discharged; a cooling trap (200) for cooling unreacted steam; and a storage tank (300) for removing unreacted materials from the product passing through the cooling trap to store the unreacted material-removed product in the storage tank. The stand-alone self-sustaining heat exchanger type modular reformer according to the present invention has an effect of stably maintaining a reaction temperature of the catalyst layer by stably supplying a reaction heat for a continuous and stably high endothermic reaction without supplying an additional outer heat source.
Patent KR-20180000543-A (KR)
Inventor: PARK CHEOL HOON
IPC: F16C32/04
Filed: 2016-06-23
Abstract: The present invention relates to a device for compensating deflection force of a thrust magnetic bearing, and more specifically, to a device for compensating deflection force of a thrust magnetic bearing which compensates deflection force of a rotation body using a permanent magnet while controlling the rotation body at the same time, thereby capable of solving problems of excessive consumption of electricity and excessive heat. The device for compensating deflection force of a thrust magnetic bearing comprises: a rotation magnetic body portion (100); a permanent magnet (200); and a fixed magnetic body portion (300).
Patent KR-20180003939-A (KR)
Inventor: YANG JI HOON
IPC: B65D41/02
Filed: 2016-07-01
Abstract: The present invention relates to a faucet type-bottle cap with improved tightness and ease of opening, which is a faucet shaped-cap instead of an existing bottle cap, is easily opened when re-opened, and has a rubber packing coupled thereto to prevent release of carbonic acid, thereby resolving a conventional problem of uneasy opening and release of carbonic acid. That is, according to the present invention, the faucet type-bottle cap comprises: a bottle cap main body manufactured in a standard bottle cap-shape to close, open and seal contents; a bottle cap grip formed in a faucet shape to be easily opened by a users hand; and a rubber packing inserted into the bottle cap to prevent release of carbonic acid. Accordingly, the faucet type-bottle cap has a faucet shaped cap instead of an existing bottle cap, is easily opened when re-opened, and has the rubber packing coupled thereto to prevent release of carbonic acid, thereby resolving a conventional problem of uneasy opening and release of carbonic acid.
Patent KR-20170009798-A (KR)
Inventor: LEE HYO YOUNG
IPC: C07F15/06
Filed: 2016-07-18
Abstract: The present invention relates to a novel metal calcogenide compound capable of obtaining improved specific capacitance capacity and stability for energy storage, and to a method for preparing the metal calcogenide compound. The metal calcogenide compound comprises metal and chalcogen elements respectively represented by chemical formula 1: M_1M_2X or chemical formula 2: MX_1X_2.
Patent KR-20180009623-A (KR)
Inventor: SONG KYONG HWA
IPC: C09K5/06
Filed: 2016-07-19
Abstract: The present invention relates to a nanomaterial, a preparation method thereof, and a nanofluid comprising the same. The nanofluid includes the nanomaterial comprising a phase change material and nano-diamond, thereby having excellent heat conductivity and heat capacity. The nanomaterial comprises: a core portion; and a shell portion.
Patent KR-20180013198-A (KR)
Inventor: CHOI HEE DONG
IPC: H01L27/32
Filed: 2016-07-29
Abstract: An organic light emitting display device is provided. The organic light emitting display device according to an embodiment of the present invention includes an anode including a reflective layer and a transparent conductive layer on the reflective layer, a plurality of light emitting units stacked on the anode, and a cathode arranged on the plurality of light emitting units and made of transparent conductive materials. Also, in the organic light emitting display device, the light emitting unit located on the uppermost part among the plurality of light emitting units includes an electron injection layer including a first layer composed of a host and a dopant. At this time, the electron injection layer further includes at least one of a second layer arranged on the lower side of the first layer and made of the host and a third layer arranged on the upper side of the first layer and made of the dopant. Accordingly, the efficiency and lifespan of the organic light emitting display device can be improved.
Patent KR-20160098131-A (KR)
Title: System and method for displaying document content using universal plug and play
Inventor: KIM JI HYEOK
IPC: G06F15/16
Filed: 2016-08-03
Abstract: Disclosed is a control point device capable of displaying document contents. The control point device includes a display unit, a media reproducer identifying unit, a state change information receiving unit, and a document viewing controlling unit. The display unit displays the document contents. The media reproducer identifying unit reproduces the document contents if a request for the display of the document contents is received to identify a media reproducer which is able to perform a display function. The state change information receiving unit receives the information on state change corresponding to an operation performed by the media reproducer according to an operation command. The document viewing controlling unit creates an operation command of reproducing and displaying the document contents according to the request for the display of the document contents, transmits the created operation command, meta information of the document contents provided from the media server, and display information of the display unit to the identified media reproducer, and displays a thumb nail image corresponding to the document contents received from the media reproducer and the state change information through the display unit. The thumb nail image can be created by the media reproducer based on the display information of the display unit and the document contents.
Patent KR-20180016869-A (KR)
Title: Washing machine and control method thereof
Inventor: CHOI JUNG CHUL
IPC: D06F37/30
Filed: 2016-08-08
Abstract: Proposed are a washing machine capable of maximizing mechanical power regardless of the amount and weight of laundry and a control method thereof. The mechanical power for washing can be maximized regardless of the weight change of the laundry due to the moisture absorption of the laundry or the amount of the laundry by using a washing profile with the variable period and size of washing rpm. Also, a falling motion of the laundry is varied through the washing profile with the variable period and size of washing rpm so that the water (washing water) effectively penetrates through the laundry, thereby improving washing performance. Washing visibility can be increased by continuously displaying various washing operations (rubbing, tapping, centrifugal rotation, and the like).
Patent KR-20180017621-A (KR)
Inventor: KWAK BONG SEOP
IPC: G01N35/08
Filed: 2016-08-10
Abstract: A micro-channel biochip comprises: a multi-orifice segment in which a plurality of expanding portions and a plurality of contracting portions are alternately connected in the first direction which is the longitudinal direction; and an inlet and an outlet formed at both ends of the multi-orifice segment. Each of the extension portions comprises an extension portion extending in the first direction and connected to each of the shrinkage portions, and first and second shaded portions extending symmetrically from each other in the diagonal direction from the extension portion.