baber/WOPTO huggingface dataset:
Patent KR-20000050507-A (KR)
Inventor: LIM GWANG WOO
IPC: H03H17/00
Filed: 1999-01-11
Abstract: PURPOSE: A vestigial sideband filtering apparatus is provided to reduce the hardware volume by decreasing the number of multipliers in the VSB filter having plural taps used for the VSB demodulator. CONSTITUTION: A plurality of delay units(11-25) input and delay data to output an in-phase signal. Plural adders(26-33) input and add the inputted data and the data of the plural delay units(11-25). First to fourth multiplexing/multiplying/adding cells(51-54) input the outputs of two adders from the plural adders(26-33), multiplies the inputted outputs by a VSB filter coefficient, and adds the multiplied and inputted outputs for output values. A first cell adder(55) adds the output values of the first and second multiplexing/multiplying/adding cells(51-54). A second cell adder(56) adds the output values of the third and fourth multiplexing/multiplying/adding cells(51-54).
Patent KR-20000050854-A (KR)
Inventor: PARK HUI DONG
IPC: C09K11/08
Filed: 1999-01-15
Abstract: PURPOSE: A gadolinium aluminate-based green fluorescein is provided which has excellent luminous brightness and color purity at low speed electron beam, has stable physical properties even at high vacuum and has high brightness to be suitable for field emission display (FED) actuated by excitation of low voltage electron beam, and the preparation method thereof is also provided. CONSTITUTION: A gadolinium aluminate-based green fluorescein having the following formula 1 is prepared from a method composed of adding terbium oxide(Tb4O7) in a molar ratio of 0.005 - 0.10 with respect to gadolinium aluminate(Gd4Al2O9), mixing them together, drying and forming them, then calcining them at 1000 - 1600°C under atmospheric pressure and grinding them to produce the fluorescein of the formula 1, where 0.005≤a≤0.10.
Patent KR-20000051107-A (KR)
Inventor: KIM U TAE
IPC: F02B17/00
Filed: 1999-01-19
Abstract: PURPOSE: An engine with two ignition plugs is provided to improve combustion efficiency of fuel injected from an injector and reduce discharge of HC exhausted gas by forming two suction ports and a discharge port in a cylinder head and mounting two ignition plugs adjacent to one of the suction ports and the discharge port. CONSTITUTION: An engine with two ignition plugs includes first and second suction ports(11,12) formed at one side of a cylinder head with a predetermined distance and a single discharge port(13) formed at the other side, a first ignition plug(14) mounted between the first and second suction ports, a second ignition plug(15) mounted between the second suction port and the discharge port, an injector(16) mounted between the first suction port and the discharge port for injecting fuel, and a piston(20) moving vertically in the cylinder and having a first slanted surface formed with a smooth inclination in the shape of bowl at one side of an upper part and a second slanted surface formed with a steep inclination at the other side of the upper part for injecting the fuel to a central part(B) of the first slanted surface by the injector.
Patent KR-20000051918-A (KR)
Inventor: CHO YOUNG SUN
IPC: H04L9/32
Filed: 1999-01-27
Abstract: PURPOSE: A puzzle type image data encryption method and an apparatus for supporting such a method are provided to achieve an enhanced prevention against forgery of signature or seal on a bankbook. CONSTITUTION: A puzzle type image data encryption method forms a two-dimensional encryption image portion in a plurality of segments(for example, 30 segments in horizontal direction and 20 segments in vertical direction; total 600 segments). When those segments are re-arranged in accordance with a predetermined security code, segment A(1) which was positioned in column S line 4 before conversion is positioned in column 7 line H(5) after conversion. Here, an image read by an image sensor is segmented at a regular spacing, and each segment is provided with serial numbers. Then, those segments are re-arranged to convert the original image and printed to be attached onto a bankbook. Upon decryption, the encrypted image is read by an image sensor and divided into segments. then, the segments are moved inversely so as to be combined into the original image.
Patent KR-20000052166-A (KR)
Inventor: KWAK CHANG WON
IPC: H04N7/08
Filed: 1999-01-30
Abstract: PURPOSE: A method for enabling notification capability for a digital broadcasting receiver device is provided to realize a user network among the users of the digital broadcasting. CONSTITUTION: A method for enabling notification capability for a digital broadcasting receiver device includes a first through a forth steps, At the first step(100), a menu for notification capability is set in the menu for selecting service provided by the digital broadcasting receiver device. At the second step(110), a preset menu for notification capability is selected by using a user interface. At the third step(120), a message to be transferred is input in a predetermined window activated by the selection of the menu by the way of the user interface. At the forth step(130), the message content is stored after the message input.
Patent KR-19990087869-A (KR)
Title: 동기제어회로
IPC: H04N5/12
Filed: 1999-03-10
Abstract: 본 발명의 회로는 표시용의 동기 신호의 전환에 의한 화상의 흐트러짐을 없애고 동기 전환에 따른 화상의 변이를 순조롭게 할 수 있다.  입력 영상 신호 (A, B)의 동기 신호의 위상을 위상차 검출부(121)에서 비교하여, 신호 B의 동기 신호를 신호 A의 동기 신호에 맞추어 넣는다.  셀렉터(106)에서 신호 A에서 신호 B로 전환되었을 때는 신호 B의 보정된 동기 신호(신호 A의 동기 신호에 맞추어 넣은 동기 신호)에 기초하여 화상 표시가 행하여진다.  이 결과, 표시 화면상에서는 신호가 A일 때의 동기 상태가 거의 유지되고, 동기의 흐트러짐이 발생됨이 없이 화상의 변이가 원활하게 얻어진다.
Patent KR-19990078052-A (KR)
IPC: B23C5/10
Filed: 1999-03-19
Abstract: 총형 회전 절삭공구(30)는 복수의 플루트 홈(36)과 절삭 에지(38)를 가지는 전체적으로 원통인 몸체부분(34)을 포함하며 (a) 복수의 플루트 홈(36)은 전체적으로 축선방향으로 뻗도록 몸체부분에 형성되며 서로로부터 각도상으로 이격되도록 축선 둘레로 위치되며, 그리고 (b) 절삭 에지(38)는 축선방향으로 변화하는 직경을 가지도록 서로 함께 작동되어서, 몸체부분이 희망하는 형상을 가진다.  공구는 축선에 대해 회전되어서, 입체 가공물(10)에서, 그 형상이 희망하는 형상과 상응하는 홈(12)을 형성하도록 된다.  각각의 절삭 에지는 직경의 변화와 관계없이, 축선 방향으로 일정한 소정된 여유각(θ)을 가지는 플랭크면(42)과 레이크면(41)의 교차에 의해 형성된다.
Patent KR-19990078364-A (KR)
Title: 문서처리장치 및 그의 방법
IPC: G06F17/21
Filed: 1999-03-29
Abstract: 일련의 사고를 방해하지 않고 생략된 문자에 관해 사용자가 문장중의 긴 단어를 입력할 수 있는 장치에 관한 것으로서, 여러개의 단어 또는 문자가 생략되어 있는 문장을 보완하는 장치와 단어사이의 관련정보를 자동적으로 추출하여 사전을 작성하는 장치를 제공하기 위해서, 문자를 입력하는 입력장치, 입력된 문자를 표시하는 표시장치 및 입력된 문자를 변환하고 편집하는 처리장치를 포함하는 문서처리장치로서, 처리장치는 단어와 그 사용빈도를 기억한 어휘사전과 단어사이의 천이정보와 단어사이의 천이확률을 규정한 단어사이의 천이사전을 참조하고, 어휘사전에 입력된 문장에 포함되는 생략문자의 전후의 문자를 검색해서 생략된 단어의 후보를 추출하는 후보단어 추출수단과 단어사이의 천이사전을 참조해서 추출된 후보단어중에서 1개의 단어를 선택하는 결정수단을 구비하는 구성으로 하였다. 
     이것에 의해, 사용자는 일련의 사고를 방해받지 않고 일괄방식으로 문장을 입력할 수 있어 사용자의 조작성이 비약적으로 향상되고, 편안하게 시스템을 조작할 수 있다는 효과가 얻어진다.
Patent KR-19990082780-A (KR)
Title: 전자패키지및그제조방법
IPC: H01L23/373
Filed: 1999-03-30
Abstract: 본 발명은, 바람직하게 압출(extrusion) 혹은 다른 물리적 공정에 의해 변환될 수 있는 물리적 특성을 갖는 액정 폴리에스터와 같은 열가소성 재료층을 이용하여, 칩과 이 칩이 부착되는 유기성 유전체 캐리어, 보드 혹은 다른 기판 사이의 CTE 차이를 조정하여, 패키지의 적어도 하나의 구성 요소의 CTE를 변경시킴으로써 CTE 차이를 감소시키는 것에 관한 것이다.  이 재료는 칩 캐리어, 인쇄 회로 기판 혹은 다른 기판의 전체 표면에 도포되거나 다층형 구조의 내부층을 형성한다.  이것은 또한 조정이 필요한 캐리어 혹은 다른 기판의 표면 상의 선택된 영역 혹은 구역에 도포될 수 있다.
Patent KR-20000066697-A (KR)
Inventor: AHN BYEONG JIN
IPC: G11C7/00
Filed: 1999-04-20
Abstract: PURPOSE: A band-gap reference circuit and its reference voltage optimizing method are provided to optimize a band-gap reference circuit in order to embody a stable voltage regardless of temperature variation. CONSTITUTION: The band-gap reference circuit includes a cascade current source circuit(11), a soft bias circuit(12) and an output part(13). The cascade source circuit has one pair of current paths. The soft bias circuit is connected in parallel to the cascade current source circuit, and generates a reference voltage being optimized in on-chip state. The output circuit outputs a predetermined voltage according to an output of the soft bias circuit. Thereby, the band-gap reference circuit optimizes a band-gap reference circuit, and embodies a stable voltage without relation to a temperature variation.
Patent KR-19990087953-A (KR)
Title: 방전가공방법및그방법을실시하기위한장치
IPC: B23H1/10
Filed: 1999-04-22
Abstract: 방청제를 함유하지 않는 탈이온수를 가공액으로서 사용하여도, 피가공물에 있어서의 녹의 발생을 억제할 수 있는 방전가공방법 및 그 방법을 실시하기 위한 장치를 제공한다. 
     산화환원전위를 저하시킨 탈이온수를 방전가공용의 가공액으로서 사용한다. 
     탈이온수 중에 접지전극과 한쌍의 인가전극을 침지시키고, 인가전극에 고주파교류전압을 인가시켜서 탈이온수의 산화환원전위를 저하시킨다.
Patent KR-20000066947-A (KR)
Inventor: PARK SANG IL
IPC: H01L21/334
Filed: 1999-04-22
Abstract: PURPOSE: A method for manufacturing a transistor of a semiconductor device is provided to reduce a junction leakage current and junction resistance, by isotropically etching a spacer layer to inject ions into a source/drain region after thickening the spacer layer of a gate for an ion injection in an n-channel metal oxide semiconductor(NMOS), and by injecting ions into the source/drain region after thickening the spacer layer in a p-channel metal oxide semiconductor(PMOS). CONSTITUTION: After a gate electrode(32) is formed on a semiconductor substrate(20) to inject ions into a lightly doped drain(LDD) region, a thick spacer oxidation layer is stacked. A first photoresist layer is stacked on a p-channel metal oxide semiconductor(PMOS) region, and a spacer layer(34) in an n-channel metal oxide semiconductor(NMOS) region is anisotropically dry-etched to form a round spacer. Ions of a high energy are firstly injected into an active region of the NMOS region to form a first source/drain region having a deep junction. After a gate electrode spacer of the NMOS region is isotropic wet-etched to reduce its thickness, ions are secondly injected into the active region to form second source/drain region of which the junction depth is shallower than the first source/drain region. After the first photoresist layer is eliminated and a second photoresist layer blocking the NMOS region is stacked, the spacer is anisotropically dry-etched to form the gate electrode. High-energy ions are injected into the active region of the PMOS region to form a source/drain region.
Patent KR-20000067423-A (KR)
Inventor: LIM CHAE MAN
IPC: H04W48/16
Filed: 1999-04-28
Abstract: PURPOSE: A method for retrieving cells of a mobile communication system, is provided to pre-decide a synchronizing code having a maximum correlation, among correlations detected through an auto-correlation function for every slot by received frames, as a base station specific code, and to detect frame synchronization and base station groups so that a hardware load can be eliminated. And, the method is provided to perform channel compensation through a primary synchronization channel, then detect base station groups for a secondary synchronization channel and perform frame synchronization so as to eliminate errors caused by pre-deciding the base station groups. CONSTITUTION: Base station group specific codes are pre-decided. Synchronizing channel correlations of each channel which configures frames synchronized with slot time are detected. A synchronizing code having a maximum correlation is decided as a base station group specific code. The base station group specific code performs cyclic shift operations on the basis of a base station group specific code table. A code having a minimum distance evaluation amount among the operation results is decided as a base station group specific code.
Patent KR-20010004517-A (KR)
Inventor: JIN CHAN HO
IPC: B28C5/38
Filed: 1999-06-29
Abstract: PURPOSE: Provided is an improved mixer for concrete, which works by rotation and revolution of mixing blades and can rotate at a low speed in order to prevent oil spill. CONSTITUTION: The mixer characterized in that a revolution case(12) equipped with the mixing blades(18)(20) is mounted rotatively in a mixing case(2), each of driven shafts(14)(16) of the blades(18)(20) and a rotary shaft(6) of a reduction motor(4) mounted on the mixing case(2) is coupled with each two-gear(22,24)(26,28)(30,32), wherein the gear(32) of the rotary shaft(6) idled from the rotary shaft(6) and is mounted to the revolution case(12), thereby the mixing blades(18)(20) are rotated in a large radius of gyration by the revolution case(12) and simultaneously rotated in a small radius of gyration within the large radius of gyration.
Patent KR-20010005087-A (KR)
Inventor: LIM CHAE DEOK
IPC: H03K19/00
Filed: 1999-06-30
Abstract: PURPOSE: A semiconductor chip is provided to lower a power consumption and a noise in a chip design by encoding/decoding a desired I/O signal to greatly reduce the number of I/O signals. CONSTITUTION: A semiconductor chip includes Core logics(52a,52b) and an I/O pad. Encoding devices(56a,56b) encode an I/O signal input from the outside of the semiconductor chip and apply the encoded signal to the core logics. Decoders(54a,54b) decode the output signal of the core logics. The encoder and decoders use the clock having two times of frequency than the frequency of the clock applied to the core logics. The encoding devices are achieved by an encoding table using a programmable logic array pattern. The encoders include a plurality of multiplexers using a state signal as a selecting input, and a plurality of registers using the respective outputs of the multiplexers as inputs and using the clocks having two times of frequency of the clocks applied to the core logic as a clock input.
Patent KR-20010010650-A (KR)
Inventor: YOON JU MUN
IPC: H04B1/40
Filed: 1999-07-21
Abstract: PURPOSE: A power supply circuit of a display device is provided to output power maintaining a constant voltage in a power saving mode to a controller, so as to minimize a wrong operation of the display device in the power saving mode. CONSTITUTION: The first power supply circuit(10) outputs power supplied from external to the first power(10a) having a predetermined level of voltage and a supply start signal(10b). The second power supply circuit(12) outputs the power supplied from the external to the second power(12a) in reply to the supply start signal(10b), and cuts off the output of the second power(12a) in reply to a cutoff control signal(14a) from external. A controller(14) outputs the cutoff control signal(14a) to the second power supply circuit(12), on the basis of a key operation signal generated by a key operation of a user or a preset control mode. And the controller(14) receives the second power(12a) to operate a display unit. A voltage compensation circuit(16) minimizes the voltage change of the first power(10a) by ripple current, when an output of the second power(12a) is cut off in reply to the cutoff control signal(14a) of the controller(14) and the first power(10a) is outputted to the controller(14).
Patent KR-20000067758-A (KR)
Title: 가스쉴드 아크용접용 플럭스충전 와이어
IPC: B23K35/368
Filed: 1999-07-22
Abstract: 본 발명은 고전류용접조건에서 고속 수평 필릿용접에 사용하는 경우에도 양호한 프라이머 저항성, 비드 형상과 외관 및 슬래그 박리성이 얻어지는 가스쉴드 아크 용접용 플럭스충전 와이어를 제공하며, 고전류영역을 포함하는 용접조건 범위에서 사용하여 수직용접시 금속유출물 저항성 등의 각종 용접작업성이 양호한 전자세 용접 가스쉴드 아크용접용 플럭스충전 와이어를 제공한다. 구체적으로 본 발명은 와이어의 전체 중량에 대한 각 중량을 %로 나타낼 때 입자크기가 212㎛ 이하인 1.0% 이상의 Si-Mn 합금강 분말과, 2.0 내지 7.0%의 TiO 2 와, 0.2 내지 1.5%의 SiO 2 와, 0.1 내지 1.2%의 ZrO 2 및 0.01 내지 0.3%의 불화물(F 환산치)을 포함하며, 상기 분말은 중량%로 0.40 내지 1.20%의 C, 5 내지 12%의 Si, 19 내지 42%의 Mn 및 나머지 Fe로 구성되고, Si 11.89 - 2.92 C - 0.077 Mn (식 1)을 만족하는 플럭스가 충진된 철재 외피를 구비하는 가스쉴드 아크용접 플럭스충전 와이어를 제공한다.
Patent KR-20010017674-A (KR)
Inventor: CHOI SEONG YEOL
IPC: H01L21/66
Filed: 1999-08-13
Abstract: PURPOSE: An apparatus for driving a wafer detecting tower of a position revolution type is provided to improve work efficiency and to reduce time and manpower, by preventing a motor, a lead screw and elements constituting a screw-type power transfer apparatus from being deteriorated. CONSTITUTION: An apparatus for driving a wafer detecting tower of a position revolution type includes an air cylinder apparatus composed of a cylinder(21), a piston(23), a cylinder shaft(25), an air input/output valve and an actuator(27). The actuator which transfers power to a connecting part(36,37) of the tower used for detecting a wafer by using the cylinder shaft, carries out a straight line motion within a predetermined scope.
Patent KR-20010018570-A (KR)
Inventor: KANG DONG HWAN
IPC: G03G15/11
Filed: 1999-08-20
Abstract: PURPOSE: A dry unit combining apparatus of a wet electronic photograph type printer is provided to improve a structure in order to maintain the engagement of a driving gear and a follower gear constantly when combining a subsidiary frame to a main frame. CONSTITUTION: The dry unit combining apparatus of a wet electronic photograph type printer includes following units. A main frame(110) supports a driving roller for supports a photosensitive medium, thereby the photosensitive medium can be run. A driving gear(113) is mounted to the main frame(110). A cam shaft(130) is mounted to a subsidiary frame mounted to the main frame(110) slidably. A dry unit frame(140) includes a dry roller for absorbing the liquid carrier remaining to the photosensitive medium, a heating roller heats the dry roller, an isolating plate, and a contact plate. A follower gear(131) is mounted to the cam shaft(130) and engaged with the driving gear when combining the main frame. A cam member(133) is selectively contacted to the isolating plate or the contact plate and mounted to the cam shaft(130) in order to contact or isolate the dry unit frame to the main frame. A position fixing device fixes the position of the cam shaft(130) in the state of engagement of the gears in order to prevent the disagreement of the driving gear and the follower gear.
Patent KR-20010018679-A (KR)
Title: Cake box with built-in cake supporter having stepped multi-layer structure
Inventor: AHN IN JUN
IPC: B65D85/36
Filed: 1999-08-20
Abstract: PURPOSE: A cake box with a built-in cake supporter is provided to prevent the cake positioned in the case from moving during transportation, while achieving aesthetic enhancement. CONSTITUTION: A cake box(2) comprises a cake supporter(3) having a plurality of holes formed in the upper portion of the cake supporter to be coupled with a plurality of protrusions(6) formed on the bottom surface of a support board(5) onto which a cake(4) is to be positioned; and the support board arranged on the inner bottom surface(7) of the cake box and which has protrusions for preventing the cake from moving. When one intends to arrange a cake decoration for a party or the like, a man takes out the cake supporter from the cake box, and the cake together with the support board from the cake box. Then, the man allows the protrusions formed on the bottom surface of the support board to be coupled to the holes formed in the cake supporter, to thereby achieve multi-layer cake decoration.
Patent KR-20010019432-A (KR)
Inventor: CHOI JONG SEO
IPC: H01J29/02
Filed: 1999-08-27
Abstract: PURPOSE: A heat-radiating cathode structure is provided to prevent leakage current from flowing between the external face of a heater and the inner surface of a metal base even at a temperature of above 1000 deg.C. CONSTITUTION: A heat-radiating cathode structure includes an electron emitting member(21) for emitting hot electrons when heated, and a metal base having a fixing part(22a) at which the electron emitting member is set, a skirt part(22b) extended from the edge of the fixing part and an insulating layer(22c) formed on the inner surface of the metal base. The heat-radiating cathode structure further has a heater(23) that is included in the metal base and has an insulating layer formed on the outer face, and a support(24) for supporting the heater.
Patent KR-20010019644-A (KR)
Inventor: KIM DAE JUNG
IPC: B63B3/68
Filed: 1999-08-28
Abstract: PURPOSE: A heat insulating board for a LNG(Liquefied Natural Gas) transport ship is provided to achieve the improve convenience of construction by adopting a composite heat insulating board using stitched fiber for allowing the ultra low temperature LNG to be stored and transported under atmospheric pressure. CONSTITUTION: A heat insulating board comprises a lower panel section(110) having a structure where the upper and lower surfaces of regular polyurethane foam(111) using a stitched fiber are coated with fiber reinforced plastic(112), and a plurality of unit panels with a predetermined area are arranged in sequence and attached to an inner hull(1) of a double hull so as to function as a secondary heat insulator and a secondary protective wall; an upper panel section(120) having a structure where the upper surface of regular polyurethane foam(121) is coated with fiber reinforced plastic(122) using stitched fiber, fly-wood(123) is attached onto the upper surface of the regular polyurethane foam coated with the fiber reinforce plastic, and a plurality of unit panels(120) having a predetermined area are arranged in sequence and attached to the lower panel section so as to function as a first heat insulator; and a membrane sheet section(130) made up of stainless steel and forming a first protective wall at the top of the upper panel section.
Patent KR-20010025843-A (KR)
Inventor: LEE BONG JAE
IPC: H01L21/336
Filed: 1999-09-01
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to reduce conductibility of a lightly-doped-drain(LDD) region and to prevent a hot carrier effect in an edge of a gate, by forming an LDD structure of an inverse-T shape through a simplified process. CONSTITUTION: The first nitride layer is deposited on a semiconductor substrate and etched to expose the semiconductor substrate(11) of a region for a gate. After an oxide layer is formed on the exposed semiconductor substrate, the second nitride layer is formed on the entire surface and selectively etched to form the second nitride layer sidewall on an etched side surface of the first nitride layer. After the oxide layer is removed, a thermal oxide process is performed to form a gate oxide layer(15) in a region where the oxide layer is eliminated. After a gate electrode(16) is formed on the entire surface of the resultant structure having the gate oxide layer, a planarization process is performed until the first nitride layer is exposed. The first and second nitride layer sidewalls are eliminated to form a gate, and impurity ions are tilt-implanted into the semiconductor substrate to form a low density region(17) and a source/drain(18) by using the gate as a mask.
Patent KR-20010026343-A (KR)
Inventor: KIM JIN WOONG
IPC: B21B28/04
Filed: 1999-09-06
Abstract: PURPOSE: An automatic polishing device is provided to improve the quality of a rolled product by uniformly polishing, to prevent an accident of a worker and to improve the efficiency by polishing during an operation of a roll. CONSTITUTION: An automatic polishing device of a roll contains polishing pads (2) to polish the roll by contacting with the surface of the roll; a driving shaft (8) reciprocated through the lengthwise direction of the roll; torsion arms (4) to elastically combine the polishing pads with the driving shaft; an elastic body (26) to fix the polishing pads and to supply the elasticity into the polishing pads by installing between the polishing pads and the torsion arms; and a torsion control bracket (6) to control the elastic pressure of each torsion arm by installing between the torsion arms and the driving shaft. A polishing is performed automatically during operating the roll. The uniform rolling is possible and the life of the roll is lengthened by giving the uniform pressure into the polishing pads and the torsion arms and equalizing the contact pressure of the polishing pads.
Patent KR-20010026384-A (KR)
Inventor: KIM HWA YONG
IPC: G11C5/02
Filed: 1999-09-06
Abstract: PURPOSE: An interface layout method in a RAMBUS DRAM is provided to satisfy requisite for the 400MHz operation and simultaneously minimize the size of an interface area. CONSTITUTION: The interface layout method puts an area more than a predetermined length between the first data input/output pad area(100), a DDL(Delay Locked Loop) circuit area(92), a control signal inputting pad area(102) and the second input/output pad area(104). A standard area(90) is disposed in the area more than the predetermined length. As disposing a standard portion between pad areas, the height of the interface area is reduced and the length of a clock line is reduced because cells operating with 400MHz are laid in close. Accordingly, power consumption is reduced.