baber/WOPTO huggingface dataset:
Patent KR-20000028073-A (KR)
Title: Apparatus for channel lock on tv and method the same
Inventor: KIM YONG SUNG
IPC: H04N7/167
Filed: 1998-10-30
Abstract: PURPOSE: An apparatus for locking channel on TV is provided to turn on TV only when an inputted password is matched with a preset password. CONSTITUTION: An apparatus for locking channel on TV comprises a storage unit(15), a controller(11), and a switch(13). The storage unit stores password data for channel lock function on TV. The controller stores the password data to the storage unit, and supplies a switching control signal for comparing the password data with inputted password data, when one password value is inputted. The switching control signal turns off the TV power when the password data is not the same. The switch controls the TV power according to the switching control signal, and turns on/off the TV power.
Patent KR-19990045039-A (KR)
Title: 하이브리드 팽창기내의 가스유동을 제어하는 장치
IPC: B60R21/26
Filed: 1998-11-05
Abstract: 팽창가능한 안전시스템용 하이브리드 팽창기는 제공된다.  하이브리드 팽창기는 추진제와 다른 연소가능한 재료의 연소로부터의 고온의 연소가스와 저장된 가스 하우징내의 냉각제 압축매체와의 효과적인 혼합을 제공하기 위한 형상으로 되어있다.  연소가스와 압축매체의 혼합은 실질적으로 균일한 조성물과 온도를 가진 출력가스를 제공한다.
Patent KR-20000032282-A (KR)
Title: Device for fusing 2 stage electric arc for treating waste and method thereof
Inventor: PARK CHIL LIM
IPC: F23G5/00
Filed: 1998-11-13
Abstract: PURPOSE: A 2 stage electric arc melting device for fusing waste is provided to facilitate the fixation of heavy metals and to improve the quality of the generated slag. CONSTITUTION: A method of disposing waste by using a 2 sage electric arc melting device comprising: mixing incinerated ash of waste with melting additive agent; first melting the waste incinerated ash mixed with the melting additive agent by an electric arc; second melting the molten slag using the electric arc by adding the melting additive agent; discharging the secondly molten slag after cooling, rapidly cooling the gas generated in the melting process by heat exchange and discharging after removing pollutant; re-burning to remove the unburned portion contained in the gas generated in the melting process; and removing iron contained in the bottom ash by using a magnet, pulverizing the iron by a certain particle size and delivering to the first step.
Patent KR-20000032663-A (KR)
Title: Device for shaping plait of lotus leaf for lotus lantern
Inventor: KIM DONG AN
IPC: D21F3/00
Filed: 1998-11-17
Abstract: PURPOSE: A device for shaping plaits of a lotus leaf for a lotus lantern is provided to efficiently shape the plaits with excellent quality by automating the shaping operation of the plaits for the papers, which are bundled for tens of pieces together. CONSTITUTION: A rotational drum(2) is installed in a shaft supporter(3) and a box typed shaft supporter(4) on a substrate(1). Then, a belt wheel(5) is installed at the end of the shaft of the rotational drum for being connected to a motor(6) by using a belt. Then, rails(8) are temporarily installed at the front and the rear sides of the rotational drum for being parallel with the rotational drum. A pusher(9) is installed on the rail while installing a pusher cylinder(11) at the rear location of the pusher. Then, a connecting rod(12) connects a ram and the pusher, and a transferring screw(14) is installed between both poles(13) on the substrate. And, a belt wheel(15) and the belt wheel of the rotational drum are connected by the belt. Then, guide rods(16,17) are installed at the rear side of the transferring screw for being parallel to each other. Moreover, a transferring stand(18) having a slave cylinder(19) and a main guide wheel(22) is installed in the guide rod while installing a relaying guide wheel(23) in the lower guide rod. Then, a suspended bar(24) is installed at the upper end of the pole for hanging an elastic spring while installing a reversing guide wheel(26) at the lower end of the elastic spring. A guide bar(27) is installed on the substrate between the rotational drum and the transferring screw for inserting a returning guide wheel(28).
Patent KR-20000033829-A (KR)
Title: Process for preparation of fish cake with chicken flesh
Inventor: LEE KYU SANG
IPC: A23L17/00
Filed: 1998-11-26
Abstract: PURPOSE: A process for preparation of fish cake is prepared, which is characterized in that chicken flesh having fixed size and shape is dispersed in a fish cake tissue, so that original taste of fish cake is in harmony with taste of chicken flesh. CONSTITUTION: A process is made up of several steps. A first step is to add 10-15% of wheat starch, 6-8% of wheat flour, 1.2%n of salt, 1.5% of spring onion, 1.5% of onion, 2% of carrot, 2% of soybean, 0.8% of oil, 0.45% of L-sodium glutamate, 0.02% of a polymix, 0.2% of potassium sorbate, and 0.1% of sugar to 45-55% of fish flesh and to mix all contents in a mixer. A second step is to add 20-25% of granular chicken flesh and to stir contents to become homogeneous. A third step is to shape fish paste in a shaper, to steam a fish paste at 99°C, and to fry fixed shape of fish paste at 165°C in a frying pot.
Patent KR-20000034203-A (KR)
Title: Temperature sensing apparatus of projection tv and status check method using the same
Inventor: KIM IK SONG
IPC: H04N9/31
Filed: 1998-11-28
Abstract: PURPOSE: A temperature sensing apparatus of projection TV and a status check method using the same are provided to sense temperature by attaching a temperature sensing element. CONSTITUTION: A temperature sensing apparatus of projection TV comprises first and second mirror(124,126), a prism(130), a reflection type LCD(132) having a temperature sensing element(134), a display(138), a micom(136), a forth mirror(140), a screen(144) and a projection lens(142). The reflection type LCD(132) reflects incident light to generate an image. The prism(130) radiates the incident light in desired direction. The micom(136) displays the set status of the temperature sensed from the temperature sensing element(134) on the display(138). The projection lens(142) expands and transmits the incident light to be oriented to the screen(144).
Patent KR-20000034362-A (KR)
Title: Tilting mechanism of liquid crystal monitor in car audio
Inventor: KIM MU YEONG
IPC: G11B19/20
Filed: 1998-11-30
Abstract: PURPOSE: A tilting mechanism of a liquid crystal monitor in a car audio is to selectively expose a compact disc inserting inlet or a cassette tape inserting inlet by tilting the liquid crystal monitor step by step. CONSTITUTION: A tilting mechanism of a liquid crystal monitor comprises: a first and second driving motor(26,64); a main gear(28) having a pivot arm(50) whose a central shaft(56) is established at a housing and being projected along its radius direction and a projection(44) formed at the pivot arm; a driving force transfer unit(58,60,62) for transferring a driving force transferred from the first driving motor into the main gear; a circular movement lever(16) whose one end is coupled to an upper edge of a liquid crystal monitor(20), for circulating the liquid crystal monitor; a horizontal movement lever(76) whose one end is coupled to a lower edge of the liquid crystal monitor such that the liquid crystal monitor is rotable; and a microprocessor for controlling operation of the first and second motor depending on the positions of the horizontal movement lever.
Patent KR-20000034403-A (KR)
Title: Device for inputting check ball by having intelligence function
Inventor: KIM HAE WON
IPC: C21C5/46
Filed: 1998-11-30
Abstract: PURPOSE: An input device of check balls by having an intelligence function is provided to input check balls accurately to the vortex point when inputting check balls to restrain vortex occurring in molten material in a converter and to block up discharge of slag at the end of steel tapping. CONSTITUTION: A lower placement stand(47) is combined to a forklift and a check ball(17) is hung on a check ball hook of a movement support pole(33) via chains(17a). An operation panel(39) embedded in the forklift is operated and a vortex controller(37) connected to a central processing unit(38) is operated to operate a vortex sensing piece. The vortex sensing piece senses sound waves due to vortex and transmits the sound waves to the central processing unit. A solenoid valve(41) and a motor controller(40) are operated by a program input in the central processing unit. A cylinder(42) and a rotary motor(48) automatically operate and move the movement support pole to place the check ball in a corresponding point. After the operation, a driver of the forklift promptly operates the forklift and lowers feet of the forklift. The chains having the check ball is deposited in the slag and the chains are molten. The check ball is accurately input to the point where vortex is formed. Thereby the vortex occurred by the molten material is removed.
Patent KR-19990062640-A (KR)
Title: 외부 테스트 신호를 사용하여 온-칩 신호를 측정하는 온-칩테스트 회로
IPC: G01R31/28
Filed: 1998-11-30
Abstract: 본 발명의 반도체 메모리 칩용 온-칩 신호를 측정하는 온-칩 테스트 회로는 칩 상의 메모리 회로와 관련된 온-칩 신호를 포함하고; 상기 온-칩 신호는 측정되는 신호 특성을 가진다.  온-칩 테스트 회로는 또한 오프-칩 테스트 신호를 수신하는 입력 회로; 및 상기 온-칩 신호 및 상기 테스트 신호를 비교하는 테스트 회로를 포함한다.
Patent KR-20000038514-A (KR)
Title: Method for manufacturing dram cell capacitor having improved leakage current feature
Inventor: NAM SANG DON
IPC: H01L27/108
Filed: 1998-12-08
Abstract: PURPOSE: A method for fabricating a DRAM cell capacitor to prevent the leakage of the current by forming the thickness of a dielectric film formed on a lower electrode and an interlayer insulation film. CONSTITUTION: A first interlayer insulation film(101) is formed on a semiconductor substrate(100). A bury contact(102) is formed on the first interlayer insulation film(101). A second interlayer insulation film(104) is formed on an upper portion of the first interlayer insulation film(101). By etching the second interlayer insulation film(104), a lower electrode(103) is formed which is connected to the bury contact(102). Then, the surface of the second interlayer insulation film is nitrified. A dielectric film(105) is deposited on the lower electrode(103) and the second interlayer insulation film(104).
Patent KR-19990062939-A (KR)
Title: 물-흡수성 수지의 제조 방법
IPC: C08F220/04
Filed: 1998-12-09
Abstract: 본 발명은 중합 온도가 조절될 수 있는 과정에 의하여 정지 수용액 중합(static aqueous solution polymerization)으로 물-흡수성 수지를 제조하는 방법을 제공한다.  본 발명의 물-흡수성 수지의 제조방법은 친수성 단량체를 포함하는 10∼50 mm 두께의 수용액을 정지된 상태로 중합시키는 단계로 구성되며, 본 발명의 제조방법은 열 전도 전달(heat conduction transfer)에 의한 냉각 및 증발 잠열에 의한 냉각을 이용하여 중합열이 제거되어, 중합계(polymerization system)의 최대 도달 온도(maximum attained temperature)가 60∼95 ℃의 범위로 조절되고 고체 성분량의 증가가 0.2∼10 중량% 범위로 조절되는데 특징이 있다.
Patent KR-19990062999-A (KR)
Title: 반도체기억장치 및 그 구동방법
IPC: G11C11/401
Filed: 1998-12-11
Abstract: 반도체기억장치에 있어서, 워드선치환에 의한 불량구제효율과, 저소비전력화를 양립시키는 반도체기억장치를 제공한다.  복수의 메모리셀어레이(MAR0∼MAR3)로 구성된 반도체기억장치(100)에 있어서, 불량부워드선의 치환을 위해 사용되는 용장워드선의 활성화시에, 활성화되는 부워드선의 개수가, 데이터입출력시와 리프레쉬동작시에 상이하도록 구성되어 있음과 동시에, 데이터입출력시에는, 외부에서 입력되는 어드레스와 내부에 기억되어 있는 치환행어드레스와의 비교에 기준하여 부워드선의 치환조작이 실행되며, 리프레쉬동작시에는, 내부리프레쉬어드레스카운터의 출력에 기준하여, 통상의 리프레쉬동작과 동시에 해당 부워드선의 치환조작이 실행되도록 구성되어 있는 반도체기억장치(100).
Patent KR-20000040775-A (KR)
Title: Carbon-containing amorphous refractory composition
Inventor: LEE WON WOO
IPC: C04B35/04
Filed: 1998-12-19
Abstract: PURPOSE: A carbon-containing amorphous refractory composition is provided, to reduce the amount of water needed in mixing and to improve the spoiling-resistance. CONSTITUTION: A composition comprises 30-68 wt% of magnesia clinker; 20-50 wt% of spinel clinker consisting of 25-35 wt% of MgO and 64-74 wt% of Al2O3; 5-10 wt% of ultra-fine alumina whose size is less than 2 micrometers; 3-7 wt% of artificial graphite powder; 1-2 wt% of alumina cement; 1-3 wt% of ultra-fine silica; and 0.05-0.15 wt% of phosphate. Also the composition comprises 26-66 wt% of magnesia clinker; 20-50 wt% of spinel clinker consisting of 25-35 wt% of MgO and 64-74 wt% of Al2O3; 5-10 wt% of ultra-fine alumina whose size is less than 2 micrometer; 2-4 wt% of SiC powder; 3-7 wt% of artificial graphite powder; 1-2 wt% of alumina cement; 1-3 wt% of ultra-fine silica; and 0.05-0.15 wt% of phosphate.
Patent KR-20000040820-A (KR)
Title: Device for deciding mode of digital video broadcasting/direct satellite system in digital video home system
Inventor: LEE SANG U
IPC: G11B20/10
Filed: 1998-12-19
Abstract: PURPOSE: A device for deciding the modes of DVB(digital video broadcast)/DSS(direct satellite system) in a DVHS(digital video home system) is provided to decide the mode of data stored by different transferring method from digital data supplied while playing back the data in the DVHS. CONSTITUTION: A count(10) receives recording, standby, or playing back signal and data typed signal for outputting counter value increased one by one. A modulo unit(20) receives data from outside in response to the counter value for outputting a modulo signal after operating a modulo 12. And an application-detail unit(30) is located in the ninth synchronizing block of an upper byte in a main header from the modulo signal for reading an application-detail signal representing the list of main data. Moreover, A mode deciding unit decides the mode of the data inputted in the base of the read application-detail signal.
Patent KR-20000040954-A (KR)
Title: Method for zncl2 plating crude liquid from zn plating waste liquid
Inventor: LEE HUN HA
IPC: C25D3/22
Filed: 1998-12-21
Abstract: PURPOSE: A method is provided to produce a ZnCl2 plating crude liquid of high purity and high concentration and an assistant agent of conduction contained a KCl used to an electric plating operation by using a waste liquid generated from a zinc plating process. CONSTITUTION: A metal sludge existed as an impurity among a waste liquid is generated by adding an oxygenated water in the Zn plating waste liquid, adding a KOH in the plating waste liquid to be a pH3-4 and agitating. The generated sludge is removed by separating through a filter. A Ni in the Zn plating waste liquid to absorb heavy metals is removed by adding a Zn powder in the remained liquid to be 1-2g/l and agitating. A deposit having a moisture content under 1% is produced by drying after obtaining a ZnCl2*4Zn(OH)2 the deposit by controlling the waste plating liquid removed impurities with adding the KOH to be a pH 9-12. The ZnCl2 aqueous solution of high purity and high concentration is produced by reacting the deposit with a hydrochloric acid over 8mols.
Patent KR-20000042014-A (KR)
Title: Apparatus for controlling toe angle of rear wheels of vehicle
Inventor: MUN CHANG YEONG
IPC: B60G3/00
Filed: 1998-12-24
Abstract: PURPOSE: An apparatus for controlling a toe angle of rear wheels is provided to control the toe angle of rear wheels accurately by moving first and second parallel links from side to side. CONSTITUTION: A control rod(51) is inserted into a long guide hole(40a), an insertion hole(32) and a hanging hole(54a) by rotating a control unit(53) from side to side. The control rod rotates to left and right along the long guide hole as an eccentric washer(52) and a washer(54) rotate centering on the control rod as much as eccentric value between the washers and the control rod. Therefore, a rod(32) between a first connector(31) and a rear wheel moves from side to side to control the toe angle of the rear wheel.
Patent KR-20000044598-A (KR)
Title: Chemical mechanical polishing apparatus
Inventor: PARK HYUNG SUN
IPC: H01L21/304
Filed: 1998-12-30
Abstract: PURPOSE: A chemical mechanical polishing apparatus is provided to be capable of detecting a polishing end point more exactly. CONSTITUTION: A chemical mechanical polishing apparatus comprises a polishing table support part(21) which supports a polishing table(22). A wafer support table(23) rotates a wafer(10) according to a driving by a motor(80), and has one plane connected to a rear surface of the wafer(10). A first vacuum pump(31) absorbs a polished substance existing on a pad of the polishing table(22). A gathering part(40) gathers a substance absorbed through the first vacuum pump(31), and an analyzer(50) analyzes the polished substance supplied from the gathering part(40). A second vacuum pump(32) absorbs the polished substance remaining at the analyzer after analyzing. A feedback system(70) receives an analyzed result to control an operation of the motor.
Patent KR-20000045172-A (KR)
Title: Electric washing machine using alkali electrolysis water
Inventor: LIM GI HYUN
IPC: D06F39/08
Filed: 1998-12-30
Abstract: PURPOSE: An electric washing machine using an alkali electrolysis water is provided to save the water and reduce the washing time by using an alkali electrolysis water as the washing water. CONSTITUTION: An electric washing machine using an alkali electrolysis water comprises a tub(10), a washing tub(20), a water supplying valve, a discharging valve(41), a pulsator(50), a clutch(60), and a controlling section(80). The water supplying valve supplies and intercepts the water supplying through a water supplying tube(30). The pulsator(50) mixes the washing water and the washing articles when the washing articles are washed and rinsed. The clutch(60) transfers or intercepts the power of a motor(65) to the rotary shaft of the pulsator(50). The controlling section(80) controls the water supplying valve, the discharging valve(41), the pulsator(50), the driving motor, and the clutch(60). The washing machine further comprises an electrolysis device(70). The water supplying tube(30) is connected to a first water supplying valve(35) and a second water supplying valve(36). The water supplying valves(35,36) are controlled by the controlling section(80).
Patent KR-20000046475-A (KR)
Title: Device for gan shortwave vertical surface emitting laser diode and method thereof
Inventor: KIM TAEK
IPC: H01S5/30
Filed: 1998-12-31
Abstract: PURPOSE: A device for a GaN shortwave vertical surface emitting laser diode(VCSEL) and method thereof is provided to produce a VCSEL which is formed as distributed bragg reflector(DBR) dielectric in all the upper and lower parts of laser oscillating layer. CONSTITUTION: A device for a GaN short-wave vertical surface emitting laser diode(VCSEL) and method thereof is characterized by the following steps: forming a laser oscillating layer(6') with GaN(5) compound semiconductors on a primary substrate(1); forming a primary distributed bragg reflector(DBR)(7') with a dielectric on the laser oscillating layer(6'); forming a primary electrode on the laser oscillating layer(6'), connecting a secondary substrate(9) on the primary electrode; eliminating the primary substrate(1); forming a secondary DBR(10) with a dielectric on the laser oscillating layer(6'); and forming a secondary electrode on the laser oscillating layer(6').
Patent KR-20000046621-A (KR)
Title: Reset signal generating apparatus
Inventor: KIM HAN IL
IPC: F02D45/00
Filed: 1998-12-31
Abstract: PURPOSE: A reset signal generating apparatus is provided to achieve a stabilized operation of a central processing unit(CPU) by preventing a configuration data fetch error in the CPU and generation of unnecessary reset signal when an ignition is turned off. CONSTITUTION: A reset signal generating apparatus comprises a voltage adjustment unit for adjusting a battery power supplied from a battery power terminal to become a reset reference voltage, a pullup resistor connected to a reset signal line of the CPU so as to organize the reset reference voltage, a capacitor charged by the battery power and which adjusts a reset signal cycle according to a delay time caused by a capacitance, and a reset signal generator operated in accordance with the signal output from the voltage adjustment unit so as to output a reset signal for operating the CPU in accordance with the reset reference voltage organized by the pullup resistor and the charging voltage of the capacitor, wherein the reset signal generating apparatus further comprises a differentiating and switching unit for detecting a leading edge of the ignition signal and forcedly discharging the charging voltage of the capacitor, and the pullup resistor is directly connected to an output terminal of the voltage adjustment unit.
Patent KR-19990044604-A (KR)
IPC: H01H33/16
Filed: 1996-09-12
Abstract: An electrical switch arrangement, comprising a first mechanical switch, a second mechanical switch and a PTC device, with (a) the PTC device and second switch connected in parallel and the parallel combination connected in series with the first switch, or (b) the PTC device and first switch connected in series and the series combination connected in parallel with the second switch. The arrangement can interrupt a current and voltage higher than the rated currents and voltages of each of the switches and the PTC devices. The parallel switch can be rated to interrupt the rated interrupt current of the electrical switch arrangement at a voltage below the rated voltage of the electrical switch arrangement, and the series switch can be rated to interrupt a current below the rated interrupt current of the electrical switch arrangement at the rated voltage of the electrical switch arrangement.
Patent KR-19990066942-A (KR)
Title: 1,1,1,3,3-펜타플루오로프로판의 제조방법
IPC: B01J27/10
Filed: 1996-10-04
Abstract: 1,1,1,3,3-펜타플루오로프로판을 하이드로플루오르화 촉매의 존재하에 1,1, 1,3,3-펜타클로로프로판과 플루오르화 수소를 반응시켜서 제조한다. 1,1,1,3,3-펜타클로로프로판은 텔로머화 촉매와 니트릴의 존재하에 염화비닐과 테트라클로로메탄을 반응시켜서 유리하게 얻을 수 있다.
Patent KR-19990067145-A (KR)
IPC: B01J31/02
Filed: 1996-10-21
Abstract: The present invention provides a method for the preparation of aryl and vinyl nitriles.
Patent KR-19990067507-A (KR)
Title: 일광 조절 코팅을 갖는 유리 제품
IPC: C03C17/34
Filed: 1997-09-10
Abstract: 건축 창유리용 열 감소 유리의 제조에 사용되는 일광 조절 코팅을 갖는 유리 제품이 개시되어 있다.  코팅된 제품은 유기 기판, 유리 기판의 표면상에 침착되어 접착된 훈색-억제 중간층을 포함한다.  하나 이상의 제1 투명 코팅이 훈색-억제 중간층의 표면에 침착되어 접착되고, 하나 이상의 제2 투명 코팅이 제1 투명 코팅의 표면상에 침착되어 접착된다.  제1 투명 코팅 및 제2 투명 코팅은 근 적외선 영역에서 가시광선 영역에서 보다 큰 굴절률의 차이를 갖는다.  건축용 창유리에서의 이 제품의 이용은 근 적외선 영역의 태양 에너지는 차단하면서 고도의 가시광선 투과율을 허용하는 창유리를 제공한다.
Patent KR-19990071810-A (KR)
Title: 접착성 시이트 및 그를 사용한 구조물
IPC: C09J133/00
Filed: 1996-11-25
Abstract: 이면층, 및 상기 이면층 상에 형성된, 점착성 탄성 미세구 및 점착성 중합체를 함유하는 접착층을 포함하고, a) 상기 접착층은 2 개 이상의 상기 탄성 미세구들의 클러스터 하나 이상과 상기 접착성 중합체를 포함하는 볼록한 접착성 부분을 갖고, b) 2 ㎏/25 ㎠의 압력 하에 평평한 유리판 표면에 접착성 시이트를 부착시켜 측정한 상기 접착층과 평평한 표면 사이의 접촉 면적 비율이 20 내지 90%인 접착성 시이트.  표면이 거친 모르타르 또는 콘크리트 물품과 이 거친 표면에 부착된 제 1 항 기재의 접착성 시이트를 포함하며, 상기 표면과 상기 접착성 시이트의 접착층에 의해 형성되어 대기와 연통하는 통로를 갖는, 접착성 시이트가 부착된 구조물.
Patent KR-20000004926-A (KR)
Title: Process for the hybrid intergration of at least one opto electronic component,a waveguide and an intergrated electro optical device.
Inventor: DE DOBBELAERE PETER MARTIN CYR
IPC: G02B6/122
Filed: 1997-04-01
Abstract: PURPOSE: A process for the hybrid integration of at least one opto electronic component(a) and a wave guide provided on a substrate is to be easy a way of producing integrated electro optical devices. CONSTITUTION: The process one or more opto electronic components are provided on a connector piece(6)and the connector piece(6)is placed on the substrate(13) and moved up to the edge of the waveguide(14),with the shape of the connector piece(6)being wholly or largely complementary, and the connector piece (6) when it abuts against the edge of the waveguide(14) having only one degree of freedom in the plane of the substrate(13).
Patent KR-20000016021-A (KR)
Title: Tool chip, bonding tool with the tool chip, and method for controlling the bonding tool
Inventor: YAMAMOTO KATSUKO
IPC: B23K26/40
Filed: 1997-05-26
Abstract: PURPOSE: A tool chip, bonding tool with the tool chip is provided to improve a flatness of surface of the tool chip by using a conductive polycrystalline diamond film. CONSTITUTION: The tool chip (100) comprises a base (2) made of main components selected from group composed of Si, SiC, AlN, Si3N4 and single crystalline diamond; a conductive polycrystalline diamond film (1) having a specific resistance of 1x10-4 ohm cm to 1x10+3 ohm cm and a thickness of 0.1 - 500 micrometers is formed on the surface of the base (2) used for contact bonding, the opposite surface of the base (2), or two or more side faces of the base (2) intersecting the surfaces by using a vapor phase synthesis method; and a metal film (4) coated on the conductive polycrystalline diamond film (1).