baber/WOPTO huggingface dataset:
Patent KR-20000020943-A (KR)
Title: Power antenna apparatus
Inventor: LEE HAN SANG
IPC: H01Q1/08
Filed: 1998-09-24
Abstract: PURPOSE: A power antenna apparatus is provided, which is capable of optionally setting an installing position of a motor for driving the antenna so as to enlarge the application extent thereof. CONSTITUTION: A power antenna apparatus, which contracts/extends a rod antenna(110) in the direction of its length, comprises a motor(210) which can be disposed at an optional position of an outside of an antenna housing and has a driving shaft(212), a reduction gear assembly(220) which is disposed at the driving shaft, a cylindrical antenna housing in which a pair of grooves are formed up and downward, a rotational member(300) which is inserted into a lower end of the antenna housing and rotated by a rotational force of the driving shaft of the motor, a power transmission of which both, a coil spring(132) which is rotatable disposed in the antenna housing and of which one end is fixed to the rotational member, and an antenna transferring body(135) which is disposed at an inner side of the coil spring which is fixed to one end of the rod antenna. The power transmission transmits the rotational force of the motor even though the driving shaft of the motor is not coaxial with the rotational shaft of the rotational member. Thereby, the rotational force is transmitted to the rod antenna regardless of the position of the motor.
Patent KR-20000020987-A (KR)
Title: High energy ion injector for manufacturing semiconductor device
Inventor: YUN SU HAN
IPC: H01L21/265
Filed: 1998-09-25
Abstract: PURPOSE: A high-energy ion injector for manufacturing a semiconductor device is provided to improve efficiency and productivity of equipments and lengthen the life span of the equipments by making stable the combination of the respective parts of the equipments. CONSTITUTION: A high-energy ion injector for manufacturing a semiconductor device comprises: an arc-chamber having at a side a vent for applying an arc voltage to process gas supplied into the ion injector and exhausting the process gas after ionizing; an arc-chamber support for supporting the arc-chamber; a support block having the arc-chamber support for supporting the arc-chamber; a gas supplier for supplying process gas into the arc-chamber; and an arc-voltage supplier for supplying the arc-voltage to the arc-chamber to ionize the process gas.
Patent KR-20000021243-A (KR)
Title: Film for controlling sunbeams
Inventor: PARK JONG MIN
IPC: B32B27/18
Filed: 1998-09-28
Abstract: PURPOSE: A film for controlling a sunbeam is provided to easily coat by embodying a color by putting dyes into a layer for preventing a scratch and to improve the productivity without a coating detect in the production. CONSTITUTION: A controlling film of sunbeam is the structure laminated: a preventing layer of scratch(111); a layer of plastic supporting body(112); a layer of viscosity(113); and a film of a different shape(114). The preventing layer of scratch(111) is formed by the resin for hardening ultra violet rays, gives the corrosion resistance into the film of plastic supporting body(113) and has 0.5-5micrometers of the thickness. The plastic supporting body(112) is used for the drawn film of polyethylene terephthalate of different axis and a transparent film having 10-100micrometers of the thickness. The compositions forming the layer of viscosity(113) are the acrylic resin, the hardening agent, the agent for absorbing ultra violet rays, the controlling agent of sticky property and a solvent.
Patent KR-20000025006-A (KR)
Title: Mock sprayer of large container with high pressure
Inventor: JANG SEOK GYU
IPC: B05B13/00
Filed: 1998-10-07
Abstract: PURPOSE: A mock sprayer is provided to minimize an establishing space as reducing a cost by mocking various cases with a pressure container without producing a real-sized large pressure container in each case and to increase the accuracy of a mock test. CONSTITUTION: A mock sprayer is composed of: a mock pressure container(302) having a sprayer(301) equipped, a supply source(303) with a high pressure for supplying the pressure, a pressure control valve(304) for driving a stepping motor(M) for controlling the pressure of the mock pressure container by connecting the two containers, a pressure measurement sensor(305) for measuring the pressure of the mock pressure container and a computer or a microprocessor(306) for driving the motor to calibrate an error as judging and comparing the measured value and a reference value. In a normal state, an accurate condition is maintained by controlling a feedback of the pressure in a real time mock moving and an object is accurately mocked by the pressure value previously established.
Patent KR-19990037241-A (KR)
Title: 반도체 기억장치
IPC: G11C5/02
Filed: 1998-10-21
Abstract: 반도체 기억장치에 관한 것으로서, 대기억 용량화, 고속화 및 회로의 고집적화를 실현하기 위해서, 반도체칩을 2분할하도록 중앙부분에 나열해서 전극을 마련하고, 전극중 어드레스신호가 공급되는 것에 인접해서 어드레스버퍼를 마련하고, 칩중앙부분을 사이에 두고 적어도 2개로 분할해서 메모리어레이를 구성하고, 반도체칩의 전극이 형성되어 이루어지는 중앙부분과 반대측으로 된 반도체칩의 주변측에 어드레스디코더를 마련하고, 칩의 중앙부분에서 어드레스디코더가 마련된 부분에 이르는 중간부분에는 어드레스신호의 해독을 실행하는 프리디코더를 배치하는 구성으로 하였다. 
     이렇게 하는 것에 의해서,배선의 혼잡을 회피하면서 신호전달경로를 단축할 수 있어 고속화를 도모할 수가 있다.
Patent KR-19990037432-A (KR)
Title: 제한된 출력 동적 범위를 갖는 고이득 증폭기
IPC: H04B1/26
Filed: 1998-10-28
Abstract: 본 발명은 차동쌍으로 배치된 2개의 트랜지스터(Q1, Q2)를 포함한다. 
     본 발명에 따르면, 전류를 스위칭하고 저항성 브랜치를 스플릿하는 스위치 시스템이, 차동쌍(Q1, Q2)이 비대칭인 경우에, 각 저항성 브랜치를 통과해 흐르는 전류의 도통이 2개의 트랜지스터 Q1 또는 Q2 중 도통인 하나를 향한다. 
     따라서, 상기 증폭기의 출력 전압의 진폭의 최대값 및 이득이 서로 독립적으로 조정될 수 있다.
Patent KR-20000027650-A (KR)
Title: Method for manufacturing semiconductor devices
Inventor: JEONG SANG TAE
IPC: H01L21/28
Filed: 1998-10-28
Abstract: PURPOSE: A semiconductor fabrication method is provided to simplify manufacturing process and improve a topology by simultaneously forming a bit line and an isolating insulator using a folded bit-line structure. CONSTITUTION: A trench isolation region is formed into a semiconductor substrate(10) by etching an isolation region of the substrate(10). By filling an insulator and a conductive layer into the trench isolation region and CMP(chemical mechanical polishing), an isolating insulator(24) and a bit-line conductive layer(32) are simultaneously formed. By performing oxidation process, an oxide layer is formed on the bit-line. An interlayer dielectric(22) having a contact hole is formed on the resultant structure. Then, a contact plug(35) is formed so as to connect the bit-line(32).
Patent KR-20000027844-A (KR)
Title: Method for forming electrode of semiconductor device
Inventor: JEON HWANG SEOK
IPC: H01L21/28
Filed: 1998-10-29
Abstract: PURPOSE: A method for forming electrode of semiconductor device is provided to reduce the defect ratio of a masking process in forming a plug electrode. CONSTITUTION: A method for forming electrode of semiconductor device comprises steps of: forming bit line contacts and a spacer oxide film on a silicon substrate(10); forming a p-doped amorphous silicon film(30); etching the amorphous silicon film; and coating a conductive film, patterning it and then etching it to form bit lines. The amorphous silicon film is formed in the thickness of 1500-4000angstrom under the temperature less than 550 degrees and low P contents.
Patent KR-20000032193-A (KR)
Title: Power circuit for suppressing surge voltage
Inventor: KIM HYE JIN
IPC: H02H9/04
Filed: 1998-11-13
Abstract: PURPOSE: A power circuit for suppressing surge voltage is provided to inhibit the damage of a circuit due to over-voltage and over-current, thereby enhancing the reliability of a car. CONSTITUTION: A power circuit for suppressing surge voltage comprises a voltage clamping unit(60), a power charge/discharge unit(70), and a noise remover(75). The voltage clamping unit consumes over-voltage and over-current and outputs predetermined stable power. The power charge/discharge unit charges and discharges the voltage output from the voltage clamping unit to improve power supply. The noise remover removes the high frequency noise contained in the power output from the power charge/discharge unit.
Patent KR-20000032306-A (KR)
Title: Fabrication method of thin film actuated mirror array
Inventor: KIM HWA NYEON
IPC: G02F1/015
Filed: 1998-11-13
Abstract: PURPOSE: A fabrication method of thin film actuated mirror array is provided to prevent the deformation of a mirror and enhance the horizontality of the mirror by forming a hard mask having excellent durability and deposition characteristics. CONSTITUTION: A fabrication method of thin film actuated mirror array comprises steps of: forming an actuator(210) on an active matrix(100); forming support elements(175) between the active matrix and the actuator; forming a sacrifice layer(300) and photoresist on the actuator and the support elements; forming a hard mask(330) on the photoresist and then patterning the photoresist and the sacrifice layer using the hard mask, thereby forming a post hole; forming a stress control layer(340) on the hard mask; and forming a mirror(260) on the stress control layer.
Patent KR-20000034627-A (KR)
Title: Suction manifold for internal combustion engine
Inventor: LEE KYUNG HEON
IPC: F02M35/10
Filed: 1998-11-30
Abstract: PURPOSE: A suction manifold for internal combustion engine, particularly, gasoline engine is provided not only to be adapted to a super-rarefied combustion system which intends to improve a rate of fuel combustion by raising mixing ratio of air and fuel and be adapted to all kinds of engines having normal mixing ratio of air and fuel, but also to improve engine output at a low and high speed in a suction system and to obtain a maximum effect with a minimum change in the present manufacturing vehicles. CONSTITUTION: A suction manifold for internal combustion engine comprises a tumble port side suction manifold and a swirl port side suction manifold, each of which is corresponds to a tumble port and a swirl port, respectively and is formed separately each other. The tumble port side suction manifold and the swirl port side suction manifold are formed with different lengths and sectional areas. Also, intake control valve, which rotates and then opens tumble port side suction manifold by operation of actuator, is installed in a suitable position of the tumble port side suction manifold to control air flow induced into combustion chamber. The constitution of the present suction manifold is effective in the super-rarefied combustion engine, in which a rate of fuel combustion is improved by controlling the flow of intake air being induced into the combustion chamber and raising mixing ratio of air and fuel.
Patent KR-20000039218-A (KR)
Title: Move-out subscriber information service method
Inventor: BAEK JAE EUN
IPC: H04L12/50
Filed: 1998-12-11
Abstract: PURPOSE: A move-out subscriber information service method is provided so that a move-out subscriber can receive the telephone number of an area to be moved previously. CONSTITUTION: A service user dials for registration(S1). A transmitting switching center dials SAC and IPN to transmit to a RMS-SS(S2). The RMS-SS requests an originating number to the transmitting switching center(S3). the transmitting switching center transfers the number to the RMS-SS(S4), and the RMS-SS request a postcode to the transmitting switching center(S5). The transmitting switching center requests the service user to input the postcode(S6), and the service user inputs the postcode(S7). The transmitting switching center transfers the postcode to the RMS-SS(S8). The RMS-SS request the input for an address number to the transmitting switching center(S9). The transmitting switching center requests the service user to input the address number(S10). The service user inputs the address number(S11). The transmitting switching center transfers the address number to the RMS-SS(S12). Then, the RMS-SS transmits 'RegMocSub_req' signal to a CRMS-SS(S13), and the CRMS-SS transmits 'RegMocSub_con' signal to a RMS-SS(S14).
Patent KR-20000039231-A (KR)
Title: Method for controlling air flow of air conditioner
Inventor: AHN CHANG WUNG
IPC: F24F11/00
Filed: 1998-12-11
Abstract: PURPOSE: A method for controlling an air flow of an air conditioner is provided to obtain an optimal air conditioning condition by controlling air flow and air flow direction as desired with a vane. CONSTITUTION: A method for controlling an air flow of an air conditioner includes the steps of determining whether a vane driving control key signal is applied from a remote controller when the air conditioner is in operating mode and the vane is operating(S11-S13), constantly operating the vane at a predetermined speed if the vane driving control key signal is applied from the remote controller for a predetermined time period(S14,S15), and stopping the operation of the vane if a vane driving control key signal is not applied from the remote controller after the constant operation of the vane, wherein the predetermined speed is a low speed below a normal speed(S16,S17).
Patent KR-20000039502-A (KR)
Title: Method for forming metal line of semiconductor device
Inventor: HWANG JUNG MO
IPC: H01L21/28
Filed: 1998-12-14
Abstract: PURPOSE: A method for forming a metal line of a semiconductor device is provided which reduces a contact resistance between metal lines. CONSTITUTION: To reduce the contact resistance between metal lines of a semiconductor device, a first metal line(23) is formed on a semiconductor substrate(21). Then, a contact hole is formed by forming and patterning an insulation film on the first metal line, and a doped polysilicon layer(22) is formed on a front surface including the contact hole. And, a nitrogen ion is injected to be projected into a fixed depth from the surface of the doped polysilicon layer. After forming a metal silicide film on the doped polysilicon layer, a second metal line(28) is formed by removing the metal silicide film and the doped polysilicon layer selectively.
Patent KR-20000039531-A (KR)
Title: Device and method for managing disc files in system for providing intelligence type information
Inventor: JEONG KWANG JAE
IPC: G06F12/08
Filed: 1998-12-14
Abstract: PURPOSE: A device and method for managing disc files in a system for providing intelligence type information are provided so that an administrator can efficiently manage and repair the system. CONSTITUTION: An administrator matching unit(201) receives commands from a plurality of administrator terminals(4), and notifies a processing result to the corresponding administrator terminal(4). Disc file management units(202,203,204) perform a disc file management function, and notifies a processing result. As a result, management of the disc file in a system for providing intelligence type information becomes much easier.
Patent KR-20000039902-A (KR)
Title: Method for making phone call again in cellular phone
Inventor: JEONG CHANG SEOB
IPC: H04B1/38
Filed: 1998-12-16
Abstract: PURPOSE: A method for making a phone call again in a cellular phone is provided to notify a user of a telephone number which the user tried to call in a place where a service is impossible, by storing the telephone number and then displaying the stored telephone number in a place where the service is possible. CONSTITUTION: It is determined(S11) whether a member is located within an area where a service is possible. It is checked(S13) whether a telephone number called from an area where the service is impossible is stored in a memory. It is determined(S16) whether there exists a telephone number displayed on a displayer and then selected by a user. If the telephone number from the service impossible area is not stored in the memory, it is checked(S24) if calls from a terminal or relay station exist. If a member does not exist in the service possible area, it is displayed(S27) that the member is located in the service impossible area. If a member request a call form the service impossible area, a telephone number and call time are sequentially stored(S29-S30) in the memory.
Patent KR-20000041327-A (KR)
Inventor: PARK CHEON MAN
IPC: H01L21/20
Filed: 1998-12-22
Abstract: PURPOSE: A method for decreasing use amount of gas in an epitaxy automatic flow controller(AFC) is to decrease values of S and D variables among variables of S(source), D(Dilution), I(Injection) determining use amount of dopant gas. CONSTITUTION: A method for decreasing use amount of gas in an epitaxy AFC comprises the steps of: designating a number of dopant(DOP) finally introduced into an epitaxy reactor chamber wherein the designating step comprises the steps of: dividing a variable S(source) by a sum of variables S and D(Dilution); and multiplying a value obtained in the dividing step by a variable I(Injection); and maintaining the DOP at the same value while decreasing the variables S and D at the same rate, thereby decreasing the amount of gas used in the epitaxy process. The variables S and D decrease by 1/3.
Patent KR-20000042346-A (KR)
Title: Structure of supplying oil of rotary compressor
Inventor: PARK SEONG YEON
IPC: F04C29/00
Filed: 1998-12-24
Abstract: PURPOSE: A rotary compressor is provided to smoothly supply oil to a compressing chamber in a cylinder by making the end of a rotary shaft submerged in oil and by forming a supply channel of oil in a rotary shaft. CONSTITUTION: A lower end of a rotary shaft(124) is submerged in oil by being extended to a lower cover(115). An oil channel(124b) is formed lengthwise from the lower end of the rotary shaft to an eccentric part(124a). By feeding current of a coil(121) of a motor(120), a rotor(123) is rotated by electromagnetic force and the rotary shaft is rotated. The pressure of the oil channel is lowered and oil is supplied to a compressing chamber(131) of a cylinder(130) along the oil channel. Herein, friction force of the contact part of the rotary shaft and a roller(127) and one of the roller and the face of the cylinder forming the compressing chamber. The contact part of the roller and the face of the cylinder is sealed by oil. Coolant gas is compressed at high pressure without being leaked. The oil channel is preferably formed in spiral for smooth oil supply.
Patent KR-20000045359-A (KR)
Title: Method for fabricating metal wiring
Inventor: AHN JUNG JIN
IPC: H01L21/28
Filed: 1998-12-30
Abstract: PURPOSE: A method for fabricating a metal wiring is provided to prevent a bridge between adjacent metal wirings by forming a size of a metal wiring contact less. CONSTITUTION: A method for fabricating a metal wiring comprises the steps of sequentially forming a first interlayer dielectric(13) and a polycrystalline silicon layer on a semiconductor substrate(11), forming a first etch barrier(19) on a resultant structure, forming a second interlayer dielectric on an entire surface, forming a second etch barrier(25) on the second interlayer dielectric, forming a trench by etching the second interlayer dielectric(23) so as to expose the polysilicon layer, forming, after removing the polysilicon layer, a a metal contact hole by etching the first interlayer dielectric(13) by use of the first etch barrier(19) as a mask, forming a metal layer(27) so as to bury the trench and the contact hole, and flattening the metal layer(27) by a chemical mechanical polishing method.
Patent KR-20000045647-A (KR)
Title: Device for automatically guarding optical disc driver
Inventor: JEONG MUN CHAE
IPC: G11B19/02
Filed: 1998-12-30
Abstract: PURPOSE: An automatic guarding device of optical disc driver is provided to prevent a vibration by corresponding to a case having a different rotating speed and playing modes, a case to play different kinds of discs and a case differed a rotating speed each in a writing mode and a playing mode. CONSTITUTION: An automatic guarding device of optical disc driver is equipped with a controller to control a variable voltage resource(60). The controller controls a current value as an appropriate current level by controlling the variable voltage resource(60) according to a present accessed disc or an operating mode with storing the current value set. The current value set is changed by the rotated number corresponding to the kind of disc and the operating mode as a ROM table type. The variable voltage resource(60) increases the level of current supplied to a coil for balancing(52) to increase a maintaining force of ball.
Patent KR-20000047186-A (KR)
Title: Mobile communication terminal having power on function when charging battery
Inventor: SHIN KYUNG HWAN
IPC: H04B1/38
Filed: 1998-12-31
Abstract: PURPOSE: A mobile communication terminal having a power on function when charging a battery is provided for maintaining an off or on state of a terminal in accordance with a circumference by checking a state of a terminal by forcibly turning on the terminal for a certain time when charging the battery. CONSTITUTION: A charger(31) charges a charging and discharging battery(32). A charging and discharging detachable battery(31) is connected with the charger(31) and charges an external power supplied from the charger(31). A battery detector(33) compares a charging voltage supplied from the battery(32) and an operation power(Vcc) outputted through a voltage switching IC(36). The charging voltage of the battery(32) is connected with a non-inversion terminal(+) of a comparator(CP1).
Patent KR-19990044086-A (KR)
Title: 중합체성 다이아몬드형 그물 목욕용 스폰지 및 방취제 조성물을 함유하는 액체 세정제를 포함하는 개인용 세정 시스템
IPC: A61K8/34
Filed: 1996-08-21
Abstract: 한 실시태양에 있어서, 본 발명은 (A) 경량의 중합체성 그물형 스폰지 및 (B) (1) 유효량의 계면활성제(들) 및 (2) 방취 향료를 포함하는 액체 세정제를 포함하는 개인용 목욕 또는 샤워겔 시스템에 관한 것이다.  제2 실시태양에 있어서, 본 발명은 액체를 스폰지에 놓고 스폰지를 기재에 적용시키고(시키거나), 액체를 피부 및(또는) 기재에 놓은 다음에 상기 스폰지로 피부 및(또는) 물질을 문지름으로써 피부 또는 기재 상의 방취 향료의 전달 및(또는) 분산을 향상시키는 방법에 관한 것이다.
Patent KR-19990064011-A (KR)
Title: 디지털 신호 프로세서를 제조하는 방법
IPC: G06F17/50
Filed: 1996-10-02
Abstract: 디지털 신호 프로세서을 만들 때, 기능모듈(18)의 발생이 이용된다. 이러한 포로세서는 연산유닛과 제어유닛과 같은 하드웨어 모듈로 구성되어 있다. 기능 모델(18)은 프로세서에 의해 실행될 프로세서 하드웨어와 프로그램의 설명이다. 이 모델은 HLL 프로그래밍 언어에 기록된 실행가능한 프로그램 코드이다. 먼저, 프로세서의 산술과 이의 부분은 소정의 탬플랫(17)을 이용하여 결정된다(1). 대응하는 회로의 레이아웃 설명은 결정된 아키텍쳐를 기반으로 한다(21). 이 레이아웃 설명은 대응하는 회로의 레이아웃을 발생하여 반도체 칩이 이 레이아웃에 따라 처리된다. 프로세서 부분의 레이아웃 설명을 할 때, 이 프로세서 또는 이의 부분의 구조가 변수 및 연산 및/또는 변수 및 연산/또는 기능으로 택스트화일(3)에서 코드된다. 이러한 정의는 각각의 레지스터 및 기능을 수행하는 유닛 및 이 레지스터와 유닛을 연결하는 유닛을 형성하도록 해석된다(21). 택스트화일(3)은 기능모델(18)을 만들도록 이용되고 이 기능유닛은 프로세서를 시뮬레이트하도록 이용될 수 있다(18). 적합한 신호 프로세서을 구조하는 매우 신속한 방법이 얻어지고 이 방법은 컴퓨터 소프트웨어와 상호 작용적으로 회로 설계자에 의해 이용된다.
Patent KR-19990067311-A (KR)
Title: 분산물의 제조 방법 및 분산상에서의 화학반응의 수행 방법
IPC: B01F3/08
Filed: 1996-10-24
Abstract: 분산상을 구성하는 1 종 이상의 유체 A 및 주위상을 구성하는 유체 B로 된 1 종 이상의 연속상의 연속 분산을 수행하는 방법에서, 1 종 이상의 유체 스트림 A 및 1 종 이상의 유체 스트림 B는 분산 장치로 공급되어 분산 챔버(4) 중에서 접촉된다.  이러한 목적에, 유체 스트림 A, B가 미세구조 분산 장치 (1a, 1b, 3a, 3b)중에서 그에 할당된 마이크로채널(1a, 1b) 시스템에 의하여 공간적으로 분리되어 흐르는 유체 필라멘트로 분할되고, 분산 챔버로의 배출시에 분산상의 유체 제트(6a)가 연속상의 유체 제트(6b)와 바로 인접하게 되고, 또한 각각의 경우에 있어서 분산상의 유체 제트(6a)가 입자들로 해산될 때 인접하는 연속상의 유체 제트(6b)중에 포위되도록 필라멘트가 특정 유체에 대하여 동일한 유속으로 분산 챔버 (4)로 배출되도록 미세구조 분산 장치 (1a, 1b, 3a, 3b)가 사용된다.
Patent KR-19990082023-A (KR)
Title: 적층 라미네이트 모울드 및 그 제작 방법
IPC: B29C33/30
Filed: 1996-01-26
Abstract: 본 발명은 적층 라미네이트 모울드의 제작에 관한 것이다.  이 방법은 a) 각개 복수 개의 판체(12)의 주평면(16)이 사이에 형성된 대향되고 평행한 제1 및 제2 주표면을 각각 포함하며, 제1 및 제2 주표면을 연결하는 모울드 표면(18)을 각각 더 포함하는 복수 개의 판체(12)를 각각의 주평면이 고정된 기준 평면에 대해서 제1 각도로 그리고 상호 평행하게 되도록 정향시키는 단계와, b) 2차원 홈 형상이 판체 주표면(16) 및 판체 모울드 표면(18) 중 하나 이상에 대해 경사진 선을 따라 판체를 통해 병진 이동되는 구조인 원통형 표면에 의해 형성된 홈 표면(42)을 포함하며, 이 홈 표면은 각개 판체의 제1 주표면(14) 및 각개 판체의 모울드 표면(18)과 교차하는(48, 52, 54) 홈을 복수 개의 판체에 형성하는 단계와, c) 이어서 판체의 개별 주평면을 성형용의 기준 평면에 대해 제2 각도로 재정향시키는 단계를 포함한다.  모울드는 복수 개의 판체(12)를 포함하며, 각각의 판체는 각각의 복수 개의 판체의 주평면이 사이에 형성된 대향되고 평행한 제1 및 제2 주표면(14, 16), 제1 및 제2 주표면을 연결하는 모울드 표면(18) 및 각각의 복수 개의 판체에 있는 복수 개의 공동을 포함한다.  각각의 공동은 적어도 모울드 표면에서 개방되어 있으며, 2차원 공동 형상이 판체 주표면(16) 및 판체 부표면(18) 중에서 하나 이상의 표면에 대해 경사진 선을 따라 판체를 통해 병진 이동되는 구조인 원통형 표면에 의해 형성된 공동 표면을 포함하며, 공동 표면은 각 판체의 제1 주표면(14) 및 각 판체의 모울드 표면(18)과 교차한다.  복수 개의 판체(12) 중 제1 판체의 제1 주표면(14)은 복수 개의 판체(12) 중에서 제2 판체의 제2 주표면(16)에 인접해 있다.