baber/WOPTO huggingface dataset:
Patent KR-20010058394-A (KR)
Inventor: PARK HONG SU
IPC: G11B17/02
Filed: 1999-12-27
Abstract: PURPOSE: A disk clamping apparatus of optical disk drive is provided to improve performance of a drive by combining a clamp and a spindle motor mutually so that center of the clamp and the spindle motor is agreed with each other. CONSTITUTION: A spindle motor(50) rotates a disk if the disk is loaded. A clamp(60) is installed to be transferred up and down at the upper side of the spindle motor(50) and presses the disk to the spindle motor(50) so that the disk is rotated together without sliding with the spindle motor(50). A first guide part is supported elastically to be able to be transferred up and down at any side of the upper center of the spindle motor(50) and a clamp body central part of the clamp(60). A second guide part is combined with the first guide part at the other side of the upper center of the spindle motor(50) and a clamp body(61) central part of the clamp, and combines the clamp(60) to the spindle motor so that concentricity of the clamp(60) and the spindle motor(50) is agreed with.
Patent KR-20010061177-A (KR)
Inventor: OH JEONG HAN
IPC: F01L13/00
Filed: 1999-12-28
Abstract: PURPOSE: A cam driving device and a control method thereof are provided to improve the output of an internal combustion engine and fuel efficiency and to reduce noise by varying the valve timing of intake and exhaust valves according to the driving condition of the engine. CONSTITUTION: An ECU(Electronic Control Unit)(22) decides an intake air flow rate during a travel. If the output of a vehicle falls during a travel, a solenoid valve(24) is controlled to open a first port and fill oil in a first chamber(52) by passing through an oil groove of a camshaft(42), a first connecting passage(48) and a first through hole(54). A first rib(60) receives the pressure of the oil in the first chamber, and a variable cam(28) is rotated. Then, the opening time of an intake valve becomes faster than a cam lift curve of another cam(61) the same as a cam lift curve. Thus, sufficient mixture is supplied and the output of a vehicle is increased.
Patent KR-20010058611-A (KR)
Inventor: PARK DONG SU
IPC: H01L27/108
Filed: 1999-12-30
Abstract: PURPOSE: A cylindrical capacitor structure and a method for manufacturing the same are to an under cut phenomenon of an interlayer dielectric from being happened when manufacturing the cylindrical capacitor having a conductive contact plug. CONSTITUTION: A field oxide film is formed on a substrate(10) to define an active region and a nonactive region, and a transistor having a gate oxide film, a gate electrode, a spacer, and a source/drain region is formed on the substrate. After a conductive contact plug(20) is formed on a lower structure of the substrate, a material selected from undoped silicate glass, boron phosphor silicate glass, and SiON is deposited on the entire surface, and then is carried out through a chemical mechanical polishing to form an interlayer dielectric(30). TaON having a high etching selectivity is deposited on the interlayer dielectric to form an etching stop film(32'). The etching stop film is patterned, and then a sacrificial film is deposited on the patterned etching stop film.
Patent KR-20010066551-A (KR)
Inventor: KIM HYO SEOK
IPC: B62D5/07
Filed: 1999-12-31
Abstract: PURPOSE: An oil pump flow control device is provided to control the discharge of an oil pump to minimum to reduce power loss of an engine when a steering system is not operated. CONSTITUTION: A flow control device comprises a rotating device, and a controller(ECU). The rotating device rotates a cam ring(3) to adjust the eccentricity between the centers of an oil chamber(2) and a rotor(4) of the cam ring. The controller has a pressure sensor(9) detecting oil pressure of an oil pump and a power steering system and a steering angle sensor(10) and calculating control current corresponding with the steering angle of a steering wheel to apply to the rotating device.
Patent KR-20000068050-A (KR)
Title: 안전 자기 러닝 시스템
IPC: E05B49/00
Filed: 1998-06-03
Abstract: 안전한 자기 런 능력을 갖는 장치의 원격 제어 방법 및 시스템이 개시된다. 이 시스템은 엔코더 및 디코더를 포함하는데, 엔코더는 디코더로 전송될 엔코드 값을 생성하기 위하여 비선형 알고리즘을 이용하여 사용자 키를 포함하는 가변성 정보를 엔코딩하며, 디코더는 동일한 알고리즘을 이용하여 상기 값을 디코딩한다. 러닝 모드에서는, 새로운 엔코더가 시스템에 추가된다. 새로운 엔코더는 키 발생 씨드를 이용하여 엔코드 값을 생성한다. 엔코드된 키 발생 씨드를 수신하게 되면 디코드는 디코드된 키 발생 씨드를 기반으로 하여 디코딩 키를 생성한다. 디코딩 키는, 안전한 방법으로 새로운 엔코더의 유효 확인을 하면서, 디코더 메모리에 저장된다.
Patent KR-20000052873-A (KR)
Title: Sulphur-free expanding, hot hardening shaped parts
Inventor: BORN PETER
IPC: C08J9/00
Filed: 1997-10-20
Abstract: PURPOSE: Provided are heat-curing expanding mouldings based on solid polybutadiene rubbers and vulcanizing agents of which the vulcanizing agent is free from elemental sulfur. CONSTITUTION: A solid rubbers are preferably cis-1,4-polybutadiene homopolymers with a cis content of more than 70% and preferably between 80 and 98%. The molecular weight of the solid rubber is at least 20,000 and preferably above 80,000, molecular weights in the range from 200,000 to 400,000 being particularly preferred. The percentage content of the solid rubber in the composition as a whole depends on the required properties of the mouldings before and after curing. It varies from 5 to 50% by weight of the formulation as a whole and is preferably in the range from 20 to 30% by weight solid rubber.
Patent KR-20000069144-A (KR)
Title: 개봉이 쉬운 연질 파우치
IPC: B65D33/36
Filed: 1997-11-26
Abstract: 연질 파우치(10)는 측면 가장자리를 따라 밀봉 상태로 결합되는 제 1 및 제 2 시트(12, 14)로 형성된다. 두개의 보강판(28, 60)이 각각 시트의 상부 및 바닥에 제공된다. 가장 위의 보강판의 바닥에는 포켓(52)이 파우치의 일단부에 형성될 수 있도록 홈이 형성된다. 격실(16)은 두개의 시트 및 두개의 보강판에 의해 파우치 내에 형성된다. 파우치의 격실로부터 내용물을 제거하기 위하여 가장 위쪽 보강판에 구멍을 내는 데에는 빨대(44) 또는 그밖의 다른 적절한 도구가 사용된다. 이 포켓은 넓은 입구를 구비하며, 이에 의해 빨대가 쉽게 삽입될 수 있는 반면에 제품의 유출을 최소화 또는 제거된다.
Patent KR-20000069149-A (KR)
Title: 전기 광학장치 및 전자 기기
IPC: G02F1/1362
Filed: 1998-10-23
Abstract: 액티브 매트릭스 구동방식의 전기 광학장치에 있어서, 직렬-병렬 변환수의 증가에 의한 화상 신호선의 증가라는 조건하에서, 화상 신호 중의 고주파 클록 노이즈 등의 발생을 감소하기 위해서, 액정장치(200)는 한 쌍의 기판간에 끼워 둔 액정층과, 기판(1)에 매트릭스 모양으로 설치된 화소전극(11)과, 이것을 스위칭 제어하는 TFT(30)를 구비한다.  화상 신호선(VID1 내지 VID12)은 기판상에서 데이터선 구동회로(101)의 양측에서 이어져 있고, 이들을 클록 신호선(CLX, CLX') 등으로부터 전기적으로 실드하는 정전위의 실드선(80, 80', 82, 86)이 기판상에 배선되어 있다.
Patent KR-20000070773-A (KR)
Title: 축방향으로 이동가능한 로터를 구비한 유체역학적 리타더
IPC: B60T1/087
Filed: 1997-12-12
Abstract: 본 발명에 따른 유체역학적 리타더는 로터(4.0)를 갖는 로터 하우징(3.0) 및 스테이터(2.0)를 갖는 스테이터 하우징(3.0)을 구비한다. 로터 하우징과 스테이터 하우징은 스테이터와 로터 사이에 갭이 형성될 수 있도록 서로 연결되어 있다. 리타더는 로터를 스테이터에 대해 축방향으로 이동시킬 수 있는 장치를 구비한다. 상기 장치는 상기 로터를 제1 위치에서 제2 위치로 자동 이동시킬 수 있는 장치를 포함한다.
Patent KR-20000070971-A (KR)
IPC: G06F3/0354
Filed: 1998-02-11
Abstract: The present invention provides an input device for positioning a cursor on a computer screen by movement of a ball whose rotary movements are transformed into electronic signals, which is unique in that the angular rotations of the ball can be detected by an optical detection means by use of substantively coherent light in such a manner that the rotation of the ball is converted into data values with respect to an x-axis and a y-axis, said axes being preferably perpendicular to each other. This provides a compact detecting device which is suitable for the construction of a computer mouse with the shape of a ball-point pen.
Patent KR-20010005900-A (KR)
Title: 디스크 카트리지
IPC: G11B23/03
Filed: 1998-03-31
Abstract: 100 MB 이상 기록 용량의 플렉시블 자기 디스크를 수납한 디스크 카트리지로써, 고용량의 자기 디스크가 수납된 카트리지 본체와, 카트리지 본체의 하면측에서, 디스크 드라이브 장치로의 삽입 방향측의 전면벽 및 이 전면벽과 직교하는 좌우의 측벽과 자기 디스크의 외주에 의해서 둘러 싸인 좌우의 코너부에 제 1 및 제 2 위치 결정 기준 구멍을 설치하고, 카트리지 본체의 배면벽 및 이 배면벽과 직교하는 좌우의 측벽과 자기 디스크의 외주에 의해서 둘러싸인 좌우의 코너부에 제 1 용량 식별 구멍 및 오류 기록 방지 기구를 설치하고, 자기 디스크의 외주측으로써, 제 1 위치 결정 기준 구멍에 접근한 위치에 제 2 용량 식별 구멍을 설치하는 것에 의해서, 검출 스위치에 의해 검출되는 부분을 카트리지 본체의 하면측에 분산 배치하며, 자기 디스크의 종류 등 디스크 카트리지의 상태의 확실한 검출을 수행한다.
Patent KR-20010073340-A (KR)
Title: Cavity lock bolt for reinforced concreate structure
Inventor: LEE SANG GEUN
IPC: F16B39/00
Filed: 2000-01-14
Abstract: PURPOSE: A cavity-lock bolt and a method for constructing the same are provided to easily and solidly perform repair/reinforcement works for restraining crack and preventing separation of structures, thereby reducing construction costs and preserving the structures. CONSTITUTION: A cavity-lock bolt includes a concavo-convex core bar(100) forming a tentacle(110) and a screw(120) for coupling a washer(130) and a nut(140) to the lower end, a plurality of holding blades(200) united with the core bar by a coupling band(210) and a settlement element(220), and a sealed stopper(300) forming a core bar insertion hole(310), and an injection pipe inserting hole(340) and an exhaust insertion hole(350) for inserting an injection pipe and an exhaust pipe.
Patent KR-20000053705-A (KR)
Inventor: PARK HYUK JUN
IPC: A61M1/02
Filed: 2000-01-19
Abstract: PURPOSE: A vascular adapter having a blood specimen collector attached thereto is provided to achieve a simplified operation and prevention against an infection source while allowing the blood specimen to be collected simultaneously during a process of collecting blood component. CONSTITUTION: A vascular adapter comprises a main tube(10) of which one end has a blood collecting needle(11) and the other end is connected to a branch tube(12) for branching the tube line into two direction, a first branch tube(20) connected between the tube(12) and a blood component collecting equipment(M), a second branch tube(30) for collecting blood specimen, clamps(40,40') installed in the tube lines of the first and second branch tubes(20,30) and which open/close the tube line according to an external pressure so as to determine the supply direction for the collected blood, a connector(21) arranged at an extended end of the first branch tube(20) and connected to the equipment(M), a cap(22) serving to protect the first branch tube(20) from dirts when the connector(21) is not connected to the equipment(M), a needle(50) arranged at an extended end of the second branch tub(30) and which is inserted into a vacuum blood collecting tube for collecting blood specimen, a protective rubber(51) wrapping an outer periphery of the needle(50) so as to prevent the needle(50) from being exposed to the air, the rubber(51) being removable upon insertion of the tube(60), and a holder(70) arranged outside the needle(50) wrapped by the rubber(51) for supporting the tube(60) coupled to the needle(50).
Patent KR-20010073613-A (KR)
Title: A manufacturing process and a product of a gold-magnet for personal ornaments
Inventor: LEE YONG KWON
IPC: A44C15/00
Filed: 2000-01-19
Abstract: PURPOSE: A method for manufacturing a gold magnet for accessories and goods are provided to reduce inferiority of the gold magnet to minimum by manufacturing the gold magnet with a simple method and to improve the buying power of a consumer by manufacturing the various goods with using the gold magnet. CONSTITUTION: In the method for manufacturing the gold magnet for accessories and good, a few progresses are included. In the first progress, the raw ore is processed with the ball type and a hole for going through the inside is formed. In the second progress, a gold round cap, which is installed on the outside of the raw ore, is processed. In the third progress, the raw ore covered with the gold round cap is fixed by welding. In the fourth progress, the raw ore and the gold round cap are cooled in the natural condition. In the last progress, the magnetism is injected into the raw ore of the cooled gold round cap and thereby the gold magnet is formed.
Patent KR-20000053560-A (KR)
Inventor: UENO GAJEUYOSI
IPC: H01L21/768
Filed: 2000-01-21
Abstract: PURPOSE: A method for manufacturing a semiconductor device having a dual damascence structure is provided to improve a reliability by increasing a contact area between a via contact structure and an upper wiring layer. CONSTITUTION: A method for manufacturing a semiconductor device having a dual damascence structure comprises the steps of: forming a lower wiring layer; forming a first insulation layer on the lower wiring layer; forming an upper wiring mask layer having an opening, on the first insulation layer; forming a second insulation layer on the upper wiring layer; forming an upper wiring pattern layer having an opening of which a width is smaller than that of the opening on the upper wiring mask layer, on the second insulation layer; etching the first and second insulation layers by using the upper wiring pattern layer as a mask to form a via hole and an upper wiring groove in the first and second insulation layers; and burying a conductive layer in the via hole and the upper wiring groove, and supplying a first part of the conductive layer buried in the via hole as a via contact structure and a second part of the conductive layer buried in the upper wiring groove as a lower wiring layer.
Patent KR-20010077452-A (KR)
Title: Constant temperature-humidity oven
Inventor: KIM JIN EOG
IPC: F25B41/04
Filed: 2000-02-02
Abstract: PURPOSE: A constant temperature and humidity control apparatus is provided to control over wide range of temperature and humidity and reduce energy consumption. CONSTITUTION: A constant temperature and humidity control apparatus comprises an air conditioning system including a constant temperature and humidity control chamber(100) where an object article is positioned; a heater(110) for heating the constant temperature and humidity chamber; a humidifier(120) for controlling humidity of the chamber; a blower(130) for circulation of air through the interior of the chamber; an evaporator pipe(150) disposed in the chamber and which has a heat radiation fin; a compressor(220) for compression of the refrigerant; a condenser(230) for radiating heat from the refrigerant; an inlet pipe(R1) connecting the evaporator pipe and the condenser, and an outlet pipe(R2) connecting the evaporator pipe and the compressor; a heat medium storage reservoir(140) for storage of a heat medium(144) for maintaining constant temperature of the chamber; a refrigerant amount adjusting unit connected in serial between the inlet pipe and the outlet pipe; a heat medium cooling pipe(210) installed in the heat medium storage reservoir so as to permit ingress of the refrigerant passed through the refrigerant amount adjusting unit; and a heat medium circulation pipe(160) installed in the chamber so as to permit circulation of the heat medium.
Patent KR-20010084141-A (KR)
Inventor: LEE WON JAE
IPC: G02F1/13
Filed: 2000-02-24
Abstract: PURPOSE: A lift for loader/unloader and a driving apparatus for the same are provided to reduce a time for loading and unloading a substrate by using a lift pin for ascending and descending a substrate. CONSTITUTION: An up/down air cylinder(30) and a left/right air cylinder(32) are formed at a back face of a lift pin(34) in order to shift the lift pin(34) to an upper, a lower, a left, and a right direction. A substrate(36) is shifted by the lift pin(34). An aligner pin(40) aligns the substrate(36). An aligner air cylinder(38) shifts the aligner pin(40). The left/right air cylinder(32) shifts the lift pin(34) to the left or the right direction by using an air pressure. The aligner air cylinder(38) aligns the substrate(36) by shifting the aligner pin(40) when the substrate(36) is in a state of a rising position.
Patent KR-20010086799-A (KR)
Title: Method And Apparatus For A Message Sending Use Of Door
Inventor: SEO YUN DEUK
IPC: G11B33/00
Filed: 2000-03-03
Abstract: PURPOSE: A message delivery apparatus for a door is provided to enable message delivery among family members by recording and reproducing a necessary message using an indoor unit, an outdoor unit and a main board unit. CONSTITUTION: A message delivery apparatus for a door includes an indoor unit(A), an outdoor unit(B) and a main board unit(C). The indoor unit(A) has a microphone(MIC) and a speaker(SPK) for recording and reproducing voice signals to be delivered among family members, a key input unit(A10), a display unit(A20) for displaying currently inputted information and a display device(A30) for displaying record information. The outdoor unit(B) has a microphone(MIC), a speaker(SPK), a key input unit(B10) and display units(B20,B30). The main board unit(C) has a processing block(100) for record and reproduction of the voice signals and a main controller(200). The processing block(100) connects the microphones(MIC) and the speakers(SPK) of the indoor and outdoor units(A,B), stores the voice signals in a data area, and outputs the voice signals via the speaker(SPK).
Patent KR-20010094218-A (KR)
Title: method of delivering advertisements using contents provided on an internet
Inventor: KIM CHUNG RYONG
IPC: G06F17/00
Filed: 2000-04-04
Abstract: PURPOSE: A method for transmitting an advertisement using contents being provided on the internet is provided to transmit an advertisement and to reduce a refusal emotion to an advertisement by providing high-quality contents. CONSTITUTION: In an advertisement transmitting method using contents provided on the internet, a partial portion of the total education contents of a wanted specific education item out of a plurality of education items as the contents is provided to a user being connected with a web site on a virtual monitor including an advertisement. After providing the partial portion of the total education contents, the advertisement is transmitted during a predetermined time. After transmitting the advertisement during a predetermined time, the remainder portion of the total education contents is provided on the virtual monitor. An actual value is inputted for exercising the education contents. The front and rear positions of the education contents may be moved. The education may be stopped temporarily.
Patent KR-20010094272-A (KR)
Title: Section filtering apparatus for use in a digital television receiver
Inventor: CHO SAM GU
IPC: H04N7/08
Filed: 2000-04-06
Abstract: PURPOSE: A section filtering device for digital TV receiver is provided to process several sections of identical packet ID(identification) simultaneously by appointing each queue independently for recording the several sections of the identical packet ID. CONSTITUTION: A packet filter control register(140) establishes a value for selecting a packet which has a wanting packet ID from a transport stream. A packet filtering unit(150) separates packet ID data from the transport stream, selects packet data which has the wanting packet ID from each packet, and generates a packet separation signal for separating the selected packet data from other packet data. A section header filtering unit(170) generates section separation signal for extracting section data of a section header which has a wanting appointed value from the selected section header. A first queue appointing register(155) appoints a record position for recording the section data of the packet correspondent to the packet separation signal. A second queue appointing register(255) appoints a record position for recording the section data of the packet correspondent to the section separation signal. A multiplexor(190) gets the section data of the wanting packet to be recorded at the appointed record position.
Patent KR-20010094705-A (KR)
Title: Method of Operating Internet Site for Providing a Transaction Information of Stock
Inventor: KIM CHANG SOO
Filed: 2000-04-06
Abstract: PURPOSE: A method for operating a web site providing stocks trade information is provide to differentiate and train information about stocks trade by offering the information after verifying it. CONSTITUTION: A method for operating a web site providing stocks trade information is performed by a site(10) providing the stocks trade information, an information providing member(20) providing the stocks trade information, and a database(40). The database(40) stores information for an information utilizing member(30) and an information providing member(20) making use of the stocks trade information provided to the site(10), the stocks trade information provided by the providing member(20), the stocks trade results of the providing member(20), and the utilization results of the information utilizing member(30). The information providing member(20) registers his or her name with his or her real name and is recompensed for the stocks trade information.
Patent KR-20010096995-A (KR)
Inventor: KIM YEONG SU
IPC: D06F23/02
Filed: 2000-04-19
Abstract: 본 발명은 드럼세탁기의 구동부에 관한 것으로, 드럼세탁기의 구동부의 전체적인 길이는 거의 그대로 유지하면서도 구동축을 지지하는 베어링 간의 간격을 크게 함으로써 베어링에 가해지는 하중을 줄이고 수명을 연장할 수 있도록 된 것이다. 
     이를 위해 본 발명은, 터브 내의 드럼의 후방 중심부에 연결된 구동축과, 상기 터브의 후방부 외측면에 일체로 형성되어 상기 구동축의 전방부를 회동가능하게 지지하는 베어링이 삽입 장착되도록 된 전방 베어링 하우징과, 상기 터브의 후방에서 상기 구동축과 결합하는 모터와, 상기 모터의 후방면 중심부에 일체로 형성되어, 구동축의 후단부를 회전가능하게 지지하는 베어링이 삽입 장착되도록 된 후방 베어링 하우징을 포함하여 이루어진 드럼세탁기의 구동부를 제공한다.
Patent KR-20010039584-A (KR)
Inventor: ASHIDA MOTOI
IPC: H01L21/8244
Filed: 2000-04-24
Abstract: PURPOSE: To provide a semiconductor device which carries out a required operation and is equipped with a memory cell region that can be lessened in size. CONSTITUTION: A driver transistor T3 which includes a gate electrode 4a is formed on the surface of a P well 2a on a silicon substrate 1. A silicon oxide film 7 and a silicon nitride film 8 are formed covering the drive transistor T3. An interlayer insulating film 11 is formed on the silicon nitride 8. A contact hole 12c is so positioned as to make the edge of its opening overlap with the gate electrode 4a.
Patent KR-20000071840-A (KR)
Title: 이온주입장치
IPC: H01J37/317
Filed: 2000-04-28
Abstract: 이 이온주입장치는 여러개의 빔전류 계측기(18)로 계측한 빔전류(IB)를 기초로 각 필라멘트(6)에 흐르는 필라멘트전류(IF)를 제어하는 제어장치(22)를 갖추고 있다.  이 제어장치(22)는 ①빔전류 계측기(18)로 계측한 모든 빔전류(IB)의 평균치를 연산하여 그것이 설정치에 가깝도록 각 필라멘트전류(IF)를 서로 거의 같은 양만큼 증감시키는 전류치 제어루틴과, ②빔전류 계측기(18)를 필라멘트(6)의 수로 그룹으로 나누고, 빔전류(IB)의 전 계측치 중 최대치 및 최소치를 찾아 그 최대치 및 최소치가 속하는 그룹을 각각 결정하며, 최대치가 속하는 그룹에 대응하는 필라멘트(6)에 흐르는 필라멘트전류(IF)를 감소시킴과 동시에 최소치가 속하는 그룹에 대응하는 필라멘트(6)에 흐르는 필라멘트전류(IF)를 증가시키는 균일성 제어루틴을 최소한 1회씩 행한다.
Patent KR-20010104459-A (KR)
Inventor: CHOI IN SEOP
Filed: 2000-04-28
Abstract: 본 발명은 형상의 단순화로 제작비용을 절감하고, 조립이 용이하며, 진동을 확실히 저감할 수 있는 자동차용 로어 암에 관한 것이다. 본 발명에 따른 로어 암은 자동차 프레임에 체결되는 프레임 체결부를 일체의 관형으로 구성하고, 양쪽 내부에 진동 저감용 고무 부싱 및 체결력 향상을 위한 와셔를 삽입하고, 자동차 프레임 브라켓이 상기 프레임 체결부를 외부에서 감싸고, 외부에서 볼트를 통해 프레임에 체결되며, 댐퍼가 체결되는 댐퍼 브라켓을 부착하여 댐퍼가 상기 브라켓 내부에  볼트로 체결되며, 차륜에는 볼 죠인트로 체결되는 것을 특징으로 한다.
Patent KR-20010066782-A (KR)
Inventor: OKESAKU MASAHIRO
IPC: B29C48/30
Filed: 2000-04-28
Abstract: PURPOSE: To produce a spinneret made of long-lived ceramics good in wiping off properties of a molten resin or mold releasability and further the mold releasability and cleaning properties of a fused resin, facilitate a precise working and achieve a lower cost when producing the spinneret comprising a ceramics material and capable of carrying out melt spinning of the molten resin such as a polyester or a nylon. CONSTITUTION: This spinneret 20 is provided with each nozzle hole 6 in which a spinning hole 1 is made to communicate with a discharging hole 2 located at the front of the spinning hole 1 and composed of a minute pore diameter. At least a peripheral part of the nozzle hole 6 is a dense sintered compact having >= 1,200 Vickers hardness, > 0.1 Ω.cm value of resistivity, > 10.0x10-6/K coefficient of thermal expansion, > 2 μm average crystal grain diameter and >= 99% density based on the theoretical density without any hole having >= 2 μm, more preferably >= 1 μm diameter.
Patent KR-20010103344-A (KR)
Inventor: AHN JAE HYEON
Filed: 2000-05-09
Abstract: 본 발명은 미백제로서 과산화물을 사용하는 구강조성물에 있어서, 안정화제를 사용하여 과산화물을 안정화시킨 제1제 및 과산화물 분해 촉진제 및 미백제인 인산염을 사용한 제2제를 격막이 있는 이중용기 도는 별도의 용기에 충진하여 사용할 때 적당량(약 1:1)의 중량비로 배합하는 것을 특징으로 하는 미백용 구강 조성물에 관한 것이다.