baber/WOPTO huggingface dataset:
Patent KR-20080018148-A (KR)
Title: Mbms data transmission and receiving in packet based on cellular system
Inventor: KIM JUNG IM
IPC: H04B7/26
Filed: 2007-08-23
Abstract: MBMS(Multimedia Broadcast Multicast Service) data transmitting and receiving methods in a packet based cellular system are provided to improve error correction efficiency of received data by an HARQ(Hybrid Automatic Repeat reQuest) scheme when transmitting MBMS data to a plurality of terminals in a point to multipoint scheme. An MBMS data transmitting method includes the steps of: transmitting schedule information of transmitting data, HARQ information, and a service group identifier for an MBMS to a plurality of terminals through an MBMS's exclusive control channel(301); transmitting exclusive feedback channel information of the terminals and unique scrambling codes of the terminals to the terminals(302); transmitting MBMS data packets to the terminals; transmitting wireless resource information of data re-transmitted by a down-link control signal to the terminals when an NACK(Negative Acknowledgement) is received from the at least one terminal through an exclusive feedback channel(304); and transmitting the re-transmitted data to the terminals(305).
Patent KR-20090026528-A (KR)
Title: Electric scooter
Inventor: CHO SANG MAN
IPC: B62M7/02
Filed: 2007-09-10
Abstract: An electric scooter is provided to increasing the driving fuel efficiency and gradability by changing the rotation ratio of wheel and motor according to the operation state. An electric scooter comprises a power transmission unit delivering the motor torque to wheels and including an infinite variable speed device. The infinite variable speed device includes: a driving pulley(120) consisting of a movable pulley and a fixed pulley; a follower(130) consisting of the movable pulley and the fixed pulley in which the friction surface is formed; and a belt(140) installed in the driving pulley and follower in order to deliver the torque.
Patent KR-20090027304-A (KR)
Title: Fellet for absorption emi and method for manufacturing the same, cable using fellet for absorption emi
Inventor: PYO JUNG SEOK
IPC: H05K9/00
Filed: 2007-09-12
Abstract: A pellet for absorbing an EMI(Electromagnetic Interference), and a method for manufacturing the same, a wire and a cable using the same are provided to reduce a noise in a communication process by shielding an electromagnetic wave generated in the wire and the communication cable. An outermost side of a communication wire or cable(200) is coated with insulating coating(30b). A communication line(40) of two strands, a power line(50) of one strand, and an earth line of one strand(60) are arranged inside the communication line or cable. The pellet for absorbing an EMI is injection molded into the communication wire or cable. The pellet for absorbing the EMI has a noise suppressing function. The insulating coating made of the pellet for absorbing the EMI includes a metal flake absorbing the EMI. The metal contained in the pellet for absorbing the EMI absorbs the noise generated from the communication line.
Patent KR-20090030473-A (KR)
Title: Femural rotation guide
Inventor: KIM WOONG
IPC: A61B17/90
Filed: 2007-09-20
Abstract: A femoral rotation guide device is provided to cut a knee joint accurately by displaying a rotation alignment line of the femora in a front part of the femora. A fixing pin(111) is formed in the front side of a fixing unit(110). The fixing pine is inserted into the upper part of the shinbone on the mechanical axis of the shinbone. A movable part(120) is combined in the fixing unit. The movable part slides up and down. The movable part displays the line vertical to the mechanical axis of the shinbone in the front part of the femora. The movable part includes a slide bar(121), a support bar(122), and a display bar(123). The slide bar is slidably coupled with the fixing unit. The support bar is vertically coupled in the upper part of the slide bar. The display bar is orthogonally coupled in the end of the support bar.
Patent KR-20090030501-A (KR)
Title: Data transfer apparatus and door of the data transfer apparatus
Inventor: KIM YOUN SEOB
IPC: G06F1/16
Filed: 2007-09-20
Abstract: A data transfer apparatus and a door for the same are provided to prevent a malfunction caused by inflow of impurity matters and to improve an aesthetic appreciation by placing a door in a front surface of the apparatus. Data processing unit(1) comprises a main body(2) in which a plurality of data process components is built in, and an appearing unit(4) which selectively opens and closes a front surface(3) of the main body. A door comprises a plurality of input/output ports(8) located in a front surface, an optical pickup device(7), and a button(9). A door is a sliding door from left to right. Protrusion projections(5,6) extendable to a predetermined length is formed on top and bottom side of the front surface.
Patent KR-20090035122-A (KR)
Title: Apparatus for manufacturing lightweight panel
Inventor: KO SOO
IPC: E04C2/26
Filed: 2007-10-05
Abstract: A lightweight panel manufacturing apparatus is provided to produce various sizes of lightweight panels through the variable length and width. A lightweight panel manufacturing apparatus comprises a bottom plate(100), first through fourth side members(210,220,230,240) which are installed on the top of the bottom plate and form a rectangular frame in order to receive a mixture for lightweight panel manufacture, a top plate(300) installed on the top of the side members, and a vibration generating unit(400) attached to the upper side of the top plate.
Patent KR-20090035341-A (KR)
Title: Rf device and method of treating plating in the same
Inventor: SEO TAE WON
IPC: C23C28/02
Filed: 2007-10-05
Abstract: An RF equipment and a plating treatment method are provided to use steadily even in the corrosive environment by minimizing the deformity of a plated layer. A plating treatment method of an RF equipment comprises: a step of pre-processing FIDO gold material made of aluminum or the aluminum alloy(400); a step of forming a plating layer for the cohesive power strengthening in electroplating; a step of performing the white bronze plating in the plating layer for the cohesive power strengthening(406); a step of plating the alkaline substance between the FIDO gold material and the cohesive power reinforcement layer by forming an alkali-proof underlying layer(404); and a step of reacting the alkaline and acidity after the white bronze plating by making the plated surface neutralized(408). The plating layer for the cohesive power strengthening comprises a copper-electroplated layer formed with the copper plating method. The alkali-proof underlying layer comprises an electroless nickel plating layer formed owing to the non-electrolytic nickel plating. The cohesive power reinforcement layer is a layer intensifying the plating cohesive power of the white bronze.
Patent KR-20090035965-A (KR)
Title: Dongle apparatus, contents service system and its method using by dongle apparatus
Inventor: CHUNG JAE BOO
IPC: H04B1/40
Filed: 2007-10-08
Abstract: A contents service system and a method thereof are provided to offer the contents service by using a dongle device which has a storage function and transmission function, thereby increasing the communication sale. A dongle device comprises a memory unit(302), a dongle communication module(304), a power supply unit(306) and an FM transmission unit(308). The dongle communication module is mounted in a communication terminal to store data transmitted from the terminal in the memory unit. The dongle communication module transfers reproduced data to the communication terminal. The transmission unit transmits the reproduced data delivered through the communication terminal to an external reproducing device.
Patent KR-20090036278-A (KR)
Title: 광정보 재생장치, 광정보 재생방법, 이를 위한 광정보재생위치 제어방법
Inventor: KIM NAK YOUNG
IPC: G11B7/1381
Filed: 2007-10-09
Abstract: 본 발명은 광정보 재생장치, 광정보 재생방법, 이를 위한 광정보 재생위치 제어방법에 관한 것으로 이를 위한 본 발명의 광정보 재생장치는 광을 기록매체에 입사하는 광원, 상기 기록매체에서 재생되는 재생광을 검출하는 광정보 검출기, 상기 기록매체에서 재생되어 상기 광정보 검출기로 진행하는 방향과 다른 방향으로 진행하는 서보 제어용 서보광을 검출하도록 복수개의 검출부를 가지는 서보광 검출기, 상기 서보광 검출기의 각각의 상기 검출부에서 검출하는 신호를 필터링하는 필터, 상기 필터에서 필터링된 신호를 비교하여 상기 기록매체의 재생조건을 제어하는 제어부를 구비한 것으로 이와 같은 본 발명은 한 위치에 다중 기록된 광정보를 재생하기 위한 최초 재생각도 또는 재생조건을 효과적으로 찾고, 또한 광정보의 재생을 위한 서보 제어를 저역통과필터를 이용한 신호로써 수행하도록 함으로써 보다 효과적으로 서보 제어를 수행할 수 있도록 하는 효과가 있다.
Patent KR-20090036732-A (KR)
Title: Shoes for detecting and warning an electric leakage
Inventor: JEONG HAN SEOK
IPC: A43B7/00
Filed: 2007-10-10
Abstract: Footwear for detecting and warning an electric leakage is provided, which detects the leak spot through walking and prevents additional electric shock accident by alarming the electric leakage. Footwear for detecting and warning an electric leakage comprises: a footwear body having insulating property; and an electric leakage detector(120) mounted on the footwear body which is higher than one side of the footwear body coming into contact with the ground. The electric leakage detector comprises: a magnetic field sensor part(121) detecting the intensity of the magnetic field generated by leak; an alarm unit(129) alarming leak; and a controller(127) outputting the emergency signal through the alarm unit.
Patent KR-20090038176-A (KR)
Title: Method of processing parental rating information and apparatus for receiving broadcast signals
Inventor: KWAK CHANG MIN
IPC: H04N21/454
Filed: 2007-10-15
Abstract: A viewing grade information processing method and a broadcasting signal receiving device are provided to controls the display of a broadcasting program by conveniently setting up parental control function according to the viewing grade information of a broadcasting signal. A broadcasting signal receiving device receives a broadcasting signal(S310), and judges whether or not viewing grade information exists in a broadcasting signal(S320). If so, it is judged whether or not the viewing grade information which is determined based on only first criterion exists in the broadcasting signal(S330). If so, it is judged whether or not the value of age information which is a criterion for the viewing limitation is larger than the value of the viewing grade information(S340). If so, the broadcasting signal receiving device displays the correspondent broadcasting program(S350). Otherwise, the device limits the display of the program(S360).
Patent KR-20090040548-A (KR)
Title: Safety hammer
Inventor: YANG WON DONG
IPC: B25C1/02
Filed: 2007-10-22
Abstract: A safety hammer is provided to prevent the hammer from being separated or being twisted in nailing by forming a movable sliding guide unit made of metal having strong solidity, synthetic resin and ceramics. A safety hammer(20) comprises: a hitting unit(40) hitting an object; a handle(60) gripped with a hand; a hitting unit coupling member(200) coupled with the hitting unit of the hammer; a screw or rail type sliding guide unit(80) formed in the hitting unit; a guide spring operating the guide unit; a spring support supporting the guide spring; and a pin inserted into a guide fixing groove.
Patent KR-20090043805-A (KR)
Inventor: LEE JIN SUNG
IPC: H04B1/40
Filed: 2007-10-30
Abstract: 본 발명은 이동단말기의 대기화면에서 컨텐츠를 이동시키는 방법을 개시한다. 본 발명의 컨텐츠 이동방법은 이동단말기의 대기화면의 제1위치에 배치된 컨텐츠를 제2위치로 이동시키기 위하여 상기 컨텐츠를 선택하여 제1속도로 이동시키다가 상기 컨텐츠의 이동시간 또는 이동거리가 설정된 기준시간 또는 기준거리를 초과하면, 상기 컨텐츠를 상기 제1속도보다 빠른 제2속도로 이동시키는 것을 특징으로 한다. 
     본 발명에 따르면, 사용자가 이동단말기의 대기화면에 표시된 컨텐츠를 이동시키는 경우에 이동거리가 멀거나 이동시간이 길면 이동속도를 높여서 컨텐츠를 보다 신속하게 이동시킬 수 있기 때문에 사용자의 불편을 크게 해소할 수 있다. 
       
     대기화면, 컨텐츠, 이동
Patent KR-20090044743-A (KR)
Inventor: LEA JONG HO
IPC: G06F9/06
Filed: 2007-11-01
Abstract: 본 발명은 문서를 시간 영역으로 변환하여 디스플레이하는 장치 및 방법에 관한 것으로서, 더욱 상세하게는 문서의 구성 요소를 분석하여 시간적인 흐름으로 변환하여 디스플레이할 수 있는 문서를 시간 영역으로 변환하여 디스플레이하는 장치 및 방법에 관한 것이다. 
     본 발명의 실시예에 따른 문서를 시간 영역으로 변환하여 디스플레이하는 장치는, 다수의 컴포넌트를 포함하는 문서에서 상기 각 컴포넌트가 디스플레이될 기준 시간을 설정하는 기준 시간 설정부, 상기 각 컴포넌트들 간의 공간적 관련도를 계산하는 관련도 계산부, 및 상기 설정된 기준 시간 및 상기 계산된 관련도에 근거하여 상기 설정된 기준 시간 내에 각 컴포넌트의 하위 컴포넌트들이 포함되도록 변환하는 변환부를 포함한다. 
       
     문서, 웹 페이지, 공간, 디바이스
Patent KR-20090046264-A (KR)
Inventor: KANG JER SOO
IPC: B21B39/14
Filed: 2007-11-05
Abstract: 소재 통로가 압연소재에 의하여 마모된 경우 용이하게 착탈할 수 있는 착탈형 가이드 수단을 갖는 압연 선재 가이드 장치가 개시된다. 
     상기한 압연 선재 가이드 장치는 압연소재 이동경로 상에 배치되되 압연소재가 통과하는 하나 이상의 소재 통로를 구비하는 가이드 몸체와, 상기 가이드 몸체의 상기 소재 통로에 삽입되되 상기 가이드 몸체에 착탈 가능하게 설치되는 착탈형 가이드 수단을 포함한다. 
     이러한 압연 선재 가이드 장치에 의하면, 착탈형 가이드 수단을 통하여 소재통로가 압연소재에 의하여 마모된 경우 착탈형 가이드 수단을 용이하게 탈부착할 수 있어 공정효율을 향상시킬 수 있고, 가이드에 삽입되는 착탈형 가이드 수단만을 교체함으로써 가이드 전체를 교체하지 않아 비용을 절감할 수 있고, 긍극적으로 가이드 장치의 사용 수명을 연장시킬 수 있는 효과가 있다. 
       
     선재 압연기, 압연 선재 가이드 장치, 착탈형 가이드 수단
Patent KR-20090050538-A (KR)
Inventor: LEE TAE HYUN
IPC: C08J5/22
Filed: 2007-11-16
Abstract: 본 발명은 속경화에 유리한 대신에 필름화가 어려운 양이온 중합성 저당량 에폭시 수지를 이용하되, 건조 과정에서 경화부를 부분 올리고머화함으로써 필름화하는 것을 특징으로 하는 이방 전도성 필름의 제조방법 및 그에 의해서 제조되는 이방 전도성 필름 조성물에 관한 것이다.  본 발명에 의하면 열압착 공정마진을 향상시킬 수 있고, 본 발명의 이방 전도성 필름은 액정표시장치(LCD)를 비롯한 각종 디스플레이 장치 및 반도체 장치의 실장 시에 모듈간의 접속 재료로서 사용될 수 있다. 
     이방 전도성 필름, 양이온 열중합 개시제, 양이온 중합성 저당량 에폭시 수지, 공정마진, 건조조건
Patent KR-20090059325-A (KR)
Title: Paving stone making equipment
Inventor: OH SUNG HUN
IPC: B28D1/00
Filed: 2007-12-06
Abstract: A paving stone manufacturing device is provided to grinding rough surface or sharp edge of the building stone by colliding with the building stones each other. A paving stone manufacturing device comprises: a frame; a rotary drum possible to rotate, installed on the top of the frame, and accommodating a plurality of building stones; a driving member rotating the rotary drum to blandly grinding the sharp edge and rough surface of the building stone by the collision of a plurality of building stones; and a pad(70) fixed in an inside wall of the rotary drum in order to absorb the impact generated in the building stone collision. The pad includes: a substrate(71) individually fixed to the inner wall of the rotary drum; and one or more protruding units(73) extending to the longitudinal direction, located on the upper side of the substrate. The protruding units tow a plurality of building stones to the rotational direction of the rotary drum, and have an oblique plane(75) which downwardly inclines.
Patent KR-20090061236-A (KR)
Title: Method for providing a service using pulse data and system adapted to the same
Inventor: KIM TAE HO
IPC: H04B7/24
Filed: 2007-12-11
Abstract: A method for providing a service by using pulse data and a system adapted to the same are provided to supply a proper medical care service or a healthcare service by collecting the pulse information of a management target and analyzing the collected pulse information. A pulse measurement device(112) is attached to some portion of a user's body, and measures the pulse rate continuously. The measurement result is transmitted in a ZigBee communication way. A communication conversion device(114) receives the pulse data from the pulse measurement device, and transmits the received pulse data in a CDMA communication manner. A medical center and healthcare center(140,150) analyzes the health state of the user based on the variation of the received pulse data.
Patent KR-20090062893-A (KR)
Title: Method and system for arranging all direction point of interest in map service
Inventor: LEE JAE MIN
IPC: G08G1/0969
Filed: 2007-12-13
Abstract: A method and a system for arranging forward point of cycle are provided, which maximize the efficient use of the space. Display candidate areas which can be used for the forward point of cycle arrangement are extracted(S2010). Display enable regions are extracted from display candidate areas(S2020). Display regions have the space for inserting a name. In display regions, the display space is determined(S2030). The name of cycle is arranged in the optimal display space(S2040).
Patent KR-20090063963-A (KR)
Title: Rubber coating steel gasket
Inventor: CHOI WON ROK
IPC: F16J15/00
Filed: 2007-12-14
Abstract: A rubber coating steel gasket is provided to offer excellent oil resistance by applying rubber on an edge of a flow hole, and to offer excellent following performance by composing a gasket of a steel material as a min body. A rubber coating steel gasket(10) includes a gasket main body(20). The gasket main body is made of a steel material and has a plurality of flow holes(22). A rubber coating part(30) is formed on an edge part of the flow hole. A stepped portion is formed in a plurality of flow holes. The steel material forming the gasket main body is a cold rolled steel plate coated with zinc.
Patent KR-20090064849-A (KR)
Inventor: JUN SOON HO
IPC: G09B19/00
Filed: 2007-12-17
Abstract: 본 발명은 영어를 독해하는 방법에 관한 것이다. 더욱 상세히 설명하자면, 복잡한 영어 문장의 내부에 다양한 전치사구, 부정사, 분사 및 절이 존재하면, 이 들을 각각 구분하거나 구획할 수 있는 별도의 기호 (), <>, {} 및 []를 통해 구획시켜 눈에 보기 편한 상태에서 영어 문장을 독해할 수 있는 영어 독해방법이다.  
     따라서 본 발명은 그 영어문장이 있다면 그 문장 속에 존재하는 전치사구에 별도의 구획하는 기호를 표시하고, 부정사와 분사 및 절의 경우에도 독특하게 구별가능한 별도의 기호로서 구획을 시켜 특별히 그 문장의 구문을 파악하지 않더라도 눈에 띄게 구획할 수가 있어 독해를 빠르게 할 수 있다는 장점이 있다.  
     또한 본 발명의 영어 학습방법에서 사용되는 기호는 컴퓨터의 좌판을 통해서 손쉽게 삽입할 수 있는 기호를 사용하기에 고전적인 아나로그 방식의 서적뿐만이 아니고, 다양한 워드프로세서 프로그램을 통해서 표출되는 문서에서도 활용가능성이 높다.  
     독해방법, 구문, 영어 문장
Patent KR-20080071885-A (KR)
Title: Tunnel magnetoresistance effect film and magnetic device
Inventor: TAKAHASHI MIGAKU
IPC: G11B5/33
Filed: 2007-12-17
Abstract: A tunnel magnetoresistance effect film and a magnetic device are provided to place a FeN layer on the tunnel magnetoresistance effect film and to secure a large negative MR ratio for improving the MR ratio characteristic and achieve compatible use for a magnetic memory. A lead device(20) is composed of a lower layer(11) having first and second layers(11a,11b), a FeN layer(12), a tunnel barrier layer(13), a fixed magnetic layer(14), a magnetoresistance layer(16), and a cap layer(17) which are deposited on a substrate(10) in sequence. The fixed magnetic layer comprises a first magnetic layer(14a), an antiferromagnetic combining layer(15), and a second magnetic layer(14b) which are deposited in sequence. A tunnel magnetoresistance effect film(30) is composed of the tunnel barrier layer, the FeN layer, and the first magnetic layer.
Patent KR-20090065590-A (KR)
Title: Method manufacturing wooden floor
Inventor: WEE IN CHEOL
IPC: B27D1/00
Filed: 2007-12-18
Abstract: A method for preparing a board material for floor is provided to manufacture the mosaic board material where various pattern and grain of wood are mixed. A method for preparing a board material for floor comprises the steps of cutting wood in the length direction to prepare square wooden sticks(10); adhering the square wooden sticks with piling up them in turn to finish the glued laminated timber(20); and cutting the glued laminated timber to prepare a mosaic board material(30).
Patent KR-20090066639-A (KR)
Title: High strength steel for construction having excellent low temperature toughness
Inventor: CHO JAE YOUNG
IPC: C21D8/02
Filed: 2007-12-20
Abstract: Steel with high intensity and high tenacity for construction and a manufacturing method thereof are provided to offer excellent low temperature toughness property and a low yield ratio by using a phase 2 having high hardness. Steel with high intensity and high tenacity for construction includes 0.02~0.12% of C, 0.01~0.8% of Si, 0.3~2.5% of Mn, 0.02% or less of P, 0.01% or less of S, 0.005~0.5% of Al, 0.005~0.10% of Nb, 3~50ppm or B, 0.005~0.1% of Ti, 15~150ppm of N, the remnant Fe, and other impurities. The steel includes additionally component of one kind or two kinds or more selected from a group consisting of 0.05~1.0% of Cr, 0.01~1.0% of Mo, 0.01~2.0% of Ni, 0.01~1.0% of Cu, 0.006% or less of Ca and 0.005~0.3% of V.
Patent KR-20080061288-A (KR)
Title: Method and system of waste gas abatement for waste gas generated in semiconductor fabrication
Inventor: PENG CHING YU
IPC: H01L21/02
Filed: 2007-12-20
Abstract: A method for reducing a waste gas generated in fabricating a semiconductor is provided to improve the efficiency of thermal decomposition by prolonging a time interval of a noxious gas for thermal decomposition. A plurality of granules(210) are supplied and the granules are heated to a reaction temperature. A noxious gas(310) is decomposed from waste gas(300) to form thermal decomposition gas, dust(320) of waste gas is stagnated and filtered by granules, and a waste gas is introduced to come in contact with the granules. The granules and the dust are transferred, and the granules are separated from the dust. A thermal decomposition gas is introduced to come in contact with the granules separated from the dust so that the granules are recycled and reused. The thermal decomposition gas is introduced by a water scrubber process. The process for introducing the thermal decomposition gas by the water scrubber process can include a process for spraying fine water by using the thermal decomposition gas.
Patent KR-20090066912-A (KR)
Title: Method of manufacturing semiconductor device
Inventor: KIM JIN WOONG
IPC: H01L21/336
Filed: 2007-12-20
Abstract: A manufacturing method of a semiconductor device is provided to improve a gap-fill margin of an interlayer dielectric by using a fluent insulating layer such as a SOD(Spin On Dielectric) layer or a SOG(Spin On Glass) layer. A plurality of gates(104) are formed on an upper surface of a semiconductor substrate(100). A plug material layer is formed on the semiconductor substrate including the gates. The plug material layer includes a polysilicon layer. An etch process is performed to etch the plug material layer. A landing plug(110) is formed by the etching the plug material layer. An interlayer dielectric(112) is formed on the semiconductor substrate including the landing plug. A space between the gates is filled with the landing plug.
Patent KR-20090069661-A (KR)
Title: A method of fabrication an image sensor
Inventor: PARK JI YONG
IPC: H01L23/544
Filed: 2007-12-26
Abstract: A method of fabrication an image sensor is provided to prevent crosstalk through color overlay measurement by overlapping successively a color filter on an overlay box pattern. The passivation layer is formed on a semiconductor substrate having a lower structure. One overlay among the first color filter is ovelayed with an upper metal on the passivation layer. The second color filter or the third color filter overlay box pattern is formed on the first color filter. Therefore, the overlay between each color filter is confirmed. The first color filter is coated on the formed M3 overlay box in the overlay box pattern and cut the color on the overlay box patterned on the mask.
Patent KR-20090072310-A (KR)
Title: Separator for separating substrate
Inventor: KANG HO CHUL
IPC: H01L21/687
Filed: 2007-12-28
Abstract: A unit for separating a substrate is provided to perform structural stability without installation of a lift pin in a central part of a substrate loading bar by installing a suspension bar which connects a plurality of lift pins around the substrate loading bar. A unit(124) for separating a substrate comprises a lift pin holder, a plurality of lift pins, and a suspension bar. The lift pin holder(136) is installed in a lift pin hole(152) of a substrate loading bar(116). The lift pin(132) passes through the lift pin hole of the substrate loading bar. The suspension bar(128) connects a plurality of lift pins, and is suspended in a holding part(130) of the substrate loading bar. A plurality of lift pins and the suspension bar are detachably connected. A width of the suspension bar is more than each diameter of a plurality of lift pins.