baber/WOPTO huggingface dataset:
Patent KR-19990084219-A (KR)
Title: 타이어용 트레드 고무 조성물
Filed: 1998-04-29
Abstract: 본 발명은 일반 승용차 타이어에 있어서 고무의 일부로 오일이 첨가된(Oil Extended) 용액 중합 스티렌-부타디엔 고무(Solution Styrene-Butadiene Rubber)를 사용한 타이어용 트레드 고무 조성물에 관한 것으로서, 이는 가공성 및 카본블랙의 분산성이 우수하며 카본블랙과 주석의 강한 결합으로 회전저항에 의한 히스테리시스가 감소되고 제동력이 향상된 효과를 갖는다.
Patent KR-19990084783-A (KR)
Title: 광 디스크 재생 장치 및 그 방법
IPC: G11B7/08
Filed: 1998-05-11
Abstract: 본 발명은 광디스크 재생중 검출되는 에러 플래그의 의해 틸트 서보를 조정하는 광디스크 재생 장치 및 그 방법에 관한 것이며, 광디스크에서 섹터 구간을 지정하고 그 섹터내의 데이터를 리드하는 과정, 상기 일정 시간 동안 데이터를 리드하여 에러정정하고, 그 동안 발생하는 에러 플래그를 카운트하는 과정, 과정에서 카운트한 값이 규정치 이하이면 그 값에 의한 틸트 상태로 설정하고, 규정치이상이면 틸트를 조정하는 과정을 포함한다. 본 발명에 의하면, 조정 전후에 나타나는 품질의 직접적인 결과인 에러 플래그나 동기 검출 플래그를 이용함으로써 BER(Bit Error Rate)이 최저 상태가 되게 서보 성능을 최적화하고, 또한 시스템의 신뢰성을 높일 수있다.
Patent KR-19980087000-A (KR)
Title: 차량 자동 변속기용 선택 충격 제어 장치 및 그 방법
IPC: F16H61/06
Filed: 1998-05-13
Abstract: 차량 자동 변속기용 선택 충격 제어 장치 및 방법에 있어서, 상기 자동 변속기는 차량 주행 범위로부터 중립 범위로의 범위 선택이 발생했을 때 해제되는 마찰 요소를 구비하고, 차량 주행 범위로부터 중립 범위로의 범위 선택이 발생했는지 여부에 대한 판단이 이루어지고, 마찰 요소로부터 발출되는 유압을 범위 선택의 발생시에 차량에 발생하는 충격이 발생되지 않는 압력 수준으로 감소시키고, 발출되는 유압의 수준을 마찰 요소에 차량 구동 토크를 남기지 않는 시간동안 유지시키며, 그후 범위 선택 판단 수단이 차량 주행 범위로부터 중립 범위로의 범위 선택이 발생했음을 판단했을 때 마찰 요소 상에 발생된 체결 토크를 일시에 발출시키는 천이 유압 제어가 수행된다.
Patent KR-19990085720-A (KR)
Title: 리튬 이온 이차 전지용 천연 흑연 활물질
Filed: 1998-05-21
Abstract: 리튬 이온 이차 전지용 천연 흑연 활물질을 제공하기 위한 것으로서, 천연 흑연을 테트라하이드로퓨란과 접촉시키거나, 천연 흑연을 고분자 수지와 접촉시키거나, 천연 흑연을 황산으로 처리한 후 수세하거나, 질소 분위기하에서 900-1000℃로 열처리함으로써 표면 구조를 변형시킨 천연 흑연은 연속적인 충방전시 흑연 육각면의 박리 현상 및 첫 번째 충전시 전해액 분해 반응이 감소되므로 사이클 수명, 용량 및 충방전 효율이 향상된 전지를 제공할 수 있다.
Patent KR-20000001419-A (KR)
Title: Grab bucket equipped with collision preventing device
Inventor: HER WANG SUN
IPC: B66C3/00
Filed: 1998-06-11
Abstract: PURPOSE: A grab bucket equipped with a collision preventing device is provided to improve the driving efficiency of a crane without a direct operation of a driver by automating the process of gathering and carrying wastes. CONSTITUTION: A collision preventing device comprises:the sensor(6) for detecting a distance; a sensor bracket(7) for fixing and supporting the sensor(6); a sensor cable(10) connected to the sensor(6); a protective tube(8) for wrapping the sensor cable(10); the sensor cable(10) connected to a crane control unit, so the signal corresponding to a critical height which is previously settled input; the sensor cable(10) preventing a high speed collision with wastes(4) and a grab bucket(3) even in case of a manual driving by a driver by braking a rope(2)connected with the grab bucket(3).
Patent KR-20000002631-A (KR)
Title: Printer
Inventor: KIM GYU SUNG
IPC: B41J29/00
Filed: 1998-06-22
Abstract: PURPOSE: A printer is provided to intercept electric power supply to a printing engine by deciding if the printing engine is out of order. CONSTITUTION: The printer comprises:a clock generator(71) generating the clock signal of a frequency; a first counter and a second counter generating an abnormal signal if a count value is reached the value of the stated time by inputting and counting the clock signal; and OR gate(75) outputting an output signal from the second counter to a switch control part.
Patent KR-20000002972-A (KR)
Title: Process for preparing artificial culture soil and net utilizing them
Inventor: CHOI MUN KYU
IPC: C05F11/08
Filed: 1998-06-24
Abstract: PURPOSE: An artificial culture soil is provided which is slowly able to retain and dissolute moistures necessary for trees. CONSTITUTION: A sludge having a particle of soil is dried and molded, followed by sintering above 1,000°C to give a porous material. The porous soil is cooled by spraying a solution containing nitrogen, phosphor and potassium necessary for plant growth to give the artificial culture soil. The culture soil is filled in a net(1) and inserted in the porous material(2).
Patent KR-20000003569-A (KR)
Title: Production method of semiconductor
Inventor: KIM DAE YOUNG
IPC: H01L21/027
Filed: 1998-06-29
Abstract: PURPOSE: A production method of a semiconductor is provided to improve the property of a device and reliability, to enable the high density of a semiconductor device. CONSTITUTION: A production method of a semiconductor comprises the steps of: forming a polysilicon layer(21) on the upper part of a semiconductor substrate(20) having a substructure; forming a amorphous polysilicon layer(22) having a low reflexibility on the upper part of the polysilicon layer; forming a photo sensitive film pattern(23) on the upper part of the amorphous polysilicon layer.
Patent KR-20000004441-A (KR)
Title: Balance dehydrating control method of washing machine
Inventor: WON YONG BOK
IPC: D06F33/02
Filed: 1998-06-30
Abstract: PURPOSE: A washing machine is provided to effectively dehydrate without vibration and noise while performing the dehydrating process. CONSTITUTION: A balance dehydrating control method is composed of: a washing driving input unit(1) where the dehydrating number and dehydrating time and so on are established; a load sensing unit(2) for sensing the washing load amount inputted into a washing container; a microcomputer(3) for outputting various control signals by being fed various input signal from the washing driving input unit(1) and the load sensing unit(2); a motor driving unit(4) for driving the motor when washing and dehydrating, fed the control signal outputted from the microcomputer(3).
Patent KR-20000004461-A (KR)
Title: Developing solution cartridge and connecting device for wet electric photo typed printer
Inventor: NO KWANG HO
IPC: B41J2/435
Filed: 1998-06-30
Abstract: PURPOSE: A developing solution cartridge and a connecting device for a wet electronic photo typed printer are provided to prevent the developing solution from sticking, remained in the route of discharging a developing solution. CONSTITUTION: The developing solution cartridge and a connecting device comprises:a cartridge housing(37a); a developing roller(20) for adhering the developing solution to a sensitive photo belt(16), installed inside the cartridge housing; a squeeze roller installed and separated at a certain interval in a direction of the movement of the photo sensitive belt; a spraying unit for spraying the developing solution to the developing gap between the developing roller and the sensitive photo belt; a pump for pumping the developing solution installed outside the cartridge housing, separated with the developing roller at a certain interval.
Patent KR-20000007400-A (KR)
Title: Image obtaining method of computer tomography system
Inventor: KIM HYUNG CHUL
IPC: G01N23/04
Filed: 1998-07-03
Abstract: PURPOSE: An image obtaining method is provided to obtain single-layered image positioned in a specific height in a specific range with a standard single-layered image after obtaining one single-layered image for the object to be measured. CONSTITUTION: An image obtaining method has the steps of: examining the X-ray generated from X-ray examiner in the position of at least two on the circumference of the X-ray examiner to the object to be measured; obtaining the single-layered image to the standard single-layered face by synthesizing and averaging at least two of transmission image in the shape of visible rays that transmits the object to be measured and images on a specific screen of an image intensifier so the center points as to be crossed; calculating the false transmission image; obtaining the central point(D) of the transmission image.
Patent KR-20000014208-A (KR)
Title: Manufacturing method of a trench isolation layer in a semiconductor device
Inventor: LEE HAE OK
IPC: H01L21/76
Filed: 1998-08-18
Abstract: PURPOSE: A manufacturing method of a trench isolation layer is provided to prevent a residue on the trench isolation layer when a succeeding process is carried out after the trench isolation layer is formed. CONSTITUTION: The manufacturing method of a trench isolation layer comprises the steps of: forming a pad insulation layer, an etching obstruction layer, and a mask pattern for making a trench; exposing the trench region by sequentially anisotropic-etching the etching obstruction layer and the pad insulation layer; forming a trench on the exposed substrate; eliminating the mask pattern; forming an insulation layer to fill up the trench; planarizing the entire insulation layer until the etching obstruction layer become exposed; making a slow inclination in the edge of the insulation layer filled up in the trench; and sequentially eliminating the etching obstruction layer and the pad insulation layer.
Patent KR-19990044800-A (KR)
Title: 폐기물파쇄장치
IPC: B09B5/00
Filed: 1998-08-25
Abstract: 본 발명은, 폐기물 예를 들면 생쓰레기나 플라스틱필름이나 플라스틱캡과 같은 플라스틱폐기물을 효율좋게 파쇄할 수 있고, 또 수분을 가진 생쓰레기를 효율좋게 압착탈수하면서 처리할 수 있는 폐기물파쇄장치에 관한 것이며, 중심부에 베어링구멍(7)을 형성한 원형다공판(9)에 의해 커버된 개방단부(2)와, 중심부에 베어링구멍(7')을 형성한 폐색단부(3)와, 폐색단부 부근상부에 폐기물투입구(4)를 가지고, 내벽면축방향으로 복수줄의 이송홈(5)이 새겨져 형성된 원통형상케이싱(1) 및 그 내부에 그 선단부를 상기 다공판(9)에 접촉시켜서, 상기 다공판(9) 및 폐색단부(3)에 형성된 베어링구멍에 의해 회전가능하게 지지된, 원통형상케이싱(1)의 내경보다 약간 작은 최외경을 가진 압출스크루(6)를 수납해서 구성된 폐기물파쇄장치에 있어서, 상기 압출스크루의 선단부(6')를 앞쪽을 향해서 직경이 차차로 작아지는 사다리꼴원추형상으로 형성하고, 그 사다리꼴원추의 작은 직경의 면에, 거의 그 직경과 동등한 직경을 가지고, 사다리꼴원추의 큰 직경의 면에 도달하는 깊이의 원통형상구멍(15)과, 그 원통형상구멍(15)으로부터 바깥쪽을 향해서, 직사각형평면 및 뒤쪽으로부터 앞쪽으로 차차로 두께가 증대하는 경사진 측면을 가진 복수줄의 방사형상홈(16),…으로 이루어진 커터끼워맞춤용홈이 새겨져 형성되고, 또한 이 커터끼워맞춤용홈에 적합한 평면형상 및 상기 원통형상구멍의 깊이와 거의 동등한 두께를 가지고, 선단부 및 후단부를 절단칼날(10")(10''')로  형성한 커터(10)가 상기 커터끼워맞춤용홈에 끼워맞춤되어 있는 것 및 이 장치에, 대략 위절반부에 복수줄의 파쇄쓰레기배출홈(19)을 새겨서 이루어지고, 아래절반부에 다수의 물빼기구멍(20)을 형성한 원통형상케이싱을 억누름테쪽에 연달하 설치하는 동시에, 이 원형상케이싱내에 상기의 압출스크루(6)와 동축회전하는 또 하나의 압출스크루(21)를 장착한 것으로서, 생쓰레기속에 혼입되어 있는 플라스틱성형품이나 나무조각도 생쓰레기와 함께 분쇄하고, 탈수처리가능하게 한 것을 특징으로 한 것이다.
Patent KR-19990023969-A (KR)
Title: 압감성 접착제 조성물 및 이 조성물로 제조된 압감성 접착제를 사용한 압감성 접착 시이트
IPC: C09J7/00
Filed: 1998-08-28
Abstract: 본 발명의 압감성 접착제 조성물은 그 압감성 접착제 성분으로서 아크릴계 중합체 및 분자 내에 2개 이상의 알콕시실릴기를 갖는 실란 화합물을 포함한다. 실란 화합물은 하기 화학식 1로 표시되는 화합물이다. 
     
       
         
       
     
     상기 식 중에서, 
     A는 탄소 원자(들) 1개 내지 12개를 함유하는 사슬 구조 및/또는 고리 구조를 갖는 기이고, R 1 과 R 4 은 각각 탄소 원자(들) 1개 내지 5개를 함유하는 알킬기이며, R 2 , R 3 , R 5 및 R 6 은 각각 탄소 원자(들) 1개 내지 5개를 함유하는 알킬기 또는 알콕시기이다. 
     실란 화합물의 함유량은 압감성 접착제 조성물 100 중량부에 대해 0.001 중량부 내지 10 중량부가 바람직하다. 이와 같이 제조된 압감성 접착제 조성물은 고온 및 고습 조건하에 기재의 수축에 의해 야기되는 응력 집중을 충분히, 그리고 효과적으로 완화시킬 수 있다.
Patent KR-20000015426-A (KR)
Title: Voice signal output method of digital voice regeneration apparatus
Inventor: LEE BYONG HUI
IPC: H04R5/033
Filed: 1998-08-29
Abstract: PURPOSE: A voice signal output method of digital voice regeneration apparatus is provided so that all the regenerated voice signals can be audible, even though a user receives voice signal using headphone, by converting a regeneration method of voice data to a PCM method when headphone is connected to a regeneration device using with AC-3 method. CONSTITUTION: The voice signal output method of digital voice regeneration apparatus comprises: steps(S101)(S102) that discriminate whether the headphone is connected to a headphone connector(114); steps(S105)(S106) that outputs regeneration signals to a multiplicity of speakers(110¯113) corresponding to each of channels if the headphone is not in connection; and a step that outputs the regeneration signal to the headphone if the headphone is in connection.
Patent KR-20000019059-A (KR)
Title: Source allocation and release method thereof according to data transmitting method in wireless local loop(wwl) system
Inventor: JO YU JIN
IPC: H04L12/56
Filed: 1998-09-08
Abstract: PURPOSE: A method according to various data transmitting methods in a wireless local loop(WWL) system, is provided to differently allocate a time slot of a trunk line channel and release it. CONSTITUTION: The source allocation and the release method thereof in a radio distribution unit (RDU) of the WWL system, which connects a radio carrier station(RCS) with a local exchange(LE) using a plurality of speech paths composed of at least two time slots, comprises the steps of: the local exchange or the radio carrier station demanding a call for a data service to the radio distribution unit; the radio distribution unit checking whether time slots of the speech path, allotted by the radio carrier station or the local exchange, are available; the radio distribution unit checking a data transmitting method of a demanded call if the time slots are available; the radio distribution unit setting the available sub-time slots by the data transmitting method according to the result; the radio distribution unit setting the rest sub-time slots, which were not set in the allocated time slots, to a busy-state, after setting the available sub-time slots; the radio distribution unit storing the result of the sub-time slots.
Patent KR-20000019661-A (KR)
Title: Inflator holder of air bag for passengers
Inventor: LEE BYEONG HUN
IPC: B60R21/26
Filed: 1998-09-14
Abstract: PURPOSE: An in flator holder of an air bag is provided to save a producing cost by fixing a gas generator having different capacity in one housing without producing an additional housing by capacity. CONSTITUTION: A gas generator(14) is fixed in a hole(46a) of a fixing stand(46) formed on a guider(40) by using a nut(50), and the guider fixed on the gas generator is inserted by being pushed after it is placed inside the lower part of a retainer(20). Herein, the displacement is prevented since a rib(49) for preventing displacement is fixed by a double stud bolt(60) even though the gas generator is operated and at the same time, the gas generator and the guider(40) are to be separated from the retainer by the pressure. As a result, the air bag having different capacity is used without reproducing an additional housing.
Patent KR-20000019936-A (KR)
Title: Chemical vapor deposition device for fabricating semiconductor device
Inventor: LEE GYEONG SEOP
IPC: H01L21/20
Filed: 1998-09-16
Abstract: PURPOSE: A chemical vapor deposition device for fabricating a semiconductor device is provided to prevent degradation of a liquid flow controller by removing a chemical stagnated in a line of the liquid flow controller. CONSTITUTION: A chemical vapor deposition device for fabricating a semiconductor device comprises a liquid flow controller. The liquid crystal controller controls flow-in amount of a chemical. An air valve and a doped/undoped valves are installed at a rear end of the liquid flow controller. The device further comprises a divert valve for removing the chemical and a pump for performing a pumping process. A valve is installed at a front end of the device to remove the chemical stagnated in the liquid flow controller and a line of the front end.
Patent KR-20000021529-A (KR)
Title: Method for reproducing information of optical disk
Inventor: JEONG YOON KWON
IPC: G11B7/00
Filed: 1998-09-30
Abstract: PURPOSE: A method for reproducing information of an optical disk is provided to decrease a bit error rate of recovered data by performing a back-tracking of a transition path when information recorded in an optical disk is reproduced and recovers original data. CONSTITUTION: An EFM or EFMplus encoder(11) converts input data into an EFM orEFMplus code. A pre-coder(12) converts the EFM or EFMplus code inputted from the EFM or EFMplus encoder(11) into an NRZI code. An equalizer(14) adjusts a signal read from an optical disk(13) and outputs 1+D signal. An automatical gain adjuster(15) amplifies the output signal of the equalizer(14). An analog/digital converter(16) converts the amplified signal inputted from the automatical gain adjuster(15) into a digital signal. A viterbi decoder(17) decodes the digital signal inputted from the analog/digital converter(16) as an EFM or EFMplus code. An EFM or EFMplus decoder(18) decode the EFM or EFMplus signal inputted from the viterbi decoder(17) as original data.
Patent KR-19990036770-A (KR)
Title: 푸시 스위치 장치
IPC: H01H13/60
Filed: 1998-10-01
Abstract: 내구성의 향상 및 접점신뢰성의 향상을 도모할 수 있는 푸시 스위치 장치를 제공한다. 
     회전운동이 자유롭도록 지지되고, 고정접점에 분리접촉되는 가동접점부(27)를 갖는 가동접점부재(2)와, 플런저(6)의 하면과 가동접점부재(2)의 사이에 회전운동이 자유롭도록 배치되고, 그 전환구동부(55)가 가동접점부재(2)상을 슬라이딩하여, 플런저(6)의 압하력을 전환구동부(55)에 의해 가동접점부재(2)상에 가하여 경사 이동시키는 캠샤프트(5)와, 가동접점부재(2)에 돌출되어, 가동접점부재(2)의 경사방향을 따라 캠샤프트(5)의 전환구동부(55)를 가동접점부재(2)의 솟아올라 있는 단부측으로 항상 가이드하는 전환가이드돌기부(24)와, 캠샤프트에 힘을 가해 자동으로 복귀시킴과 동시에, 플런저(6)에 상방으로 힘을 가하고 있는 코일스프링(4)과, 가동접점부재(2) 상에 요동이 자유롭도록 지지됨과 동시에, 코일스프링(4)의 하단을 받치고 있는 캠체(3)를 구비한다.
Patent KR-20000024788-A (KR)
Title: Method for branching data in third generation mobile communication system
Inventor: OK MYEONG JIN
IPC: H04L12/56
Filed: 1998-10-01
Abstract: PURPOSE: A method for branching data in a third generation mobile communication system is provided to perform a mapping between logical channels and transport channels, by making a MAC(Media Access Control sub layer) as a boundary, and to have an MUX/DEMUX(Multiplexer/ Demultiplexer) between the logical channels and the transport channels. CONSTITUTION: A third generation mobile communication system transmits by adding a header when communicating data between a mobile station having a MAC(Media Access Control) and a network. The MAC branches transport channels into one to one or many to one, according to logical channels included in the header. A method for branching data in the third generation mobile communication system comprises the steps of: trying random access through common control channels, which are logical channels added to the header when transmitting data, transmitting a short-sentence message service through a DCCH(Dedicated Control CHannel), and branching the transport channels into the random access channel which is physical channel in many to one, when a radio bearer is not allocated through a DTCH(Dedicated Traffic CHannel) or when short packet data is transmitted.
Patent KR-20000025801-A (KR)
Title: Circuit and method for watching action of plural heaters
Inventor: KANG DAE BYEONG
IPC: F24C7/08
Filed: 1998-10-14
Abstract: PURPOSE: A watching circuit for plural heaters is provided to indicate the disorder of a random heater among several heaters. CONSTITUTION: An action of plural heaters is observed by the steps of: sequentially acting plural heaters; detecting the voltage value of the acting heater; comparing the detected voltage value with the voltage for judging the normal action; judging if the heater is normally worked through the compared value; indicating the consequence in an indicating unit if the heater is judged as normally worked; and compensating the acting time of another heater worked at the same time if the heater is not judged as normally worked. Therefore, a user understands the current state of the acting heater through the indicating unit.
Patent KR-20000031556-A (KR)
Title: Radio frequency integrated circuit card of reduced thickness and manufacturing method thereof
Inventor: JU DONG WOOK
IPC: B42D25/45
Filed: 1998-11-07
Abstract: PURPOSE: A method for manufacturing radio frequency integrated circuit card of reduced thickness is provided to remove the depression possibly occurred during the printing due to a gap by not using a package and to obtain a thin and flexible card made of ductile materials since the package frame is not utilized any more. CONSTITUTION: A method for manufacturing radio frequency integrated circuit card of reduced thickness includes the steps of fixing a chip(3) on a synthetic resin substrate(1) containing a copper foil circuit arrangement with an adhesive agent(31), arranging a circuit by fixing an end of a bonding wire(4) on the chip by using aluminum or gold and connecting the other end of the bonding wire to the copper foil circuit on the synthetic resin substrate, fixing the chip by injecting a molding resin in a cavity while fitting the height of the cavity and the synthetic resin at a same degree, and covering the synthetic resin and the molding resin surface with another synthetic resin(6) by using an adhesive agent(61).
Patent KR-19990045394-A (KR)
Title: 중앙집중형 진공청소설비에 진공청소호스를 연결시키기 위한 방출구
IPC: A47L5/38
Filed: 1998-11-18
Abstract: 본 발명에 의한 진공청소 호스 연결용 방출구는 한편으로는, 준비된 룸의 표면(2)내에, 상기 표면과 직각을 이루면서 장착되고, 탄성적으로 막히고 후퇴가능한 수단(9)에 의하여 밀봉되는 개방단부를 가지는 관형 몸체(3)로서, 상기 관형몸체는 진공청소 유니트에 연결되는 파이프(8)에 의하여 연결되고, 상기 유니트를 켜기 위한 제어 정보 중계수단(13)을 구비하는 상기 관형 몸체로 이루어지고, 다른 한편으로는, 진공청소 호스의 한쪽 단부에 장착되어 상기 관형몸체(3)와 맞물리도록 설계된 단단한 관형 단부-부속품(16)으로서, 상기 단부-부속품은 단부-부속품을 각도있게 위치시키기 위한 수단(12,18)과, 맞물림 진행경로의 끝에서 관형몸체(3)내에 상기 단부-부속품을 고정시키기 위한 수단(12)을 구비하며, 진공청소 유니트에 연결된 파이프(8)와 마주보도록 배치되는 개구부(17)를 구비하는 단부-부속품(16)으로 이루어진다.
Patent KR-19990062638-A (KR)
Title: 다층인쇄회로기판의 제조방법
IPC: H05K3/00
Filed: 1998-11-30
Abstract: 본 발명은 컴퓨터, VTR, 또는 휴대폰 등에 사용되는 다층인쇄회로기판(multi-layer printed circuit board)의 제조방법에 관한 것이며; 그 목적은 절연층의 재질을 변경하는 한편 회로층과 절연층의 홀가공을 달리한 혼합가공방식에 의해 홀(hole)가공 정도뿐만아니라 가공효율이 향상되는 빌드업 다층인쇄회로기판을 제공함에 있다. 
     상기 목적달성을 위한 본 발명은 양면에 회로패턴을 갖는 동박적층판(copper clad layer;CCL)(41)에 레진절연물이 부착된 동박(RCC)(43)을 적치시키고 이를 가열, 가압한 다음, 적어도 가압적층된 RCC(43)의 동박층까지 제거되도록 Nd-YAG 레이저를 조사한 후, 상기 동박층이 제거된 부위에 다시 CO 2 레이저를 조사하여 남아 있는 레진절연물(43b)을 제거하여 비어홀(45)을 형성시키고, 이 비어홀이 형성된 기판(40)에 회로패턴을 형성하는 빌드업 다층인쇄회로기판의 제조방법에 관한 것을 그 기술적 요지로 한다.
Patent KR-20000039958-A (KR)
Title: Ship propeller system
Inventor: KIM YEONG JU
IPC: B63H23/00
Filed: 1998-12-16
Abstract: PURPOSE: A propeller system for a ship is provided to prevent a propeller and a steering gear from being damaged owing to contact with the ground in salvaging a ship. CONSTITUTION: A hydraulic pump(2) is mounted on an installing stand(3) and a plate(7) is fixed to a stern wall(6) by bolts. Two salvage cylinders(9) moves a salvage link(10) up and down so a stern propeller as to keep proper tilting angle to prevent the propeller from being collided with protrusions on the bottom of the sea in salvaging a ship. In normal running, the propeller is not directly contacted with the stern wall and supported by the cylinder to control the tilting angle of the stern propeller at a distance. Besides, the propeller is prevented from a collision owing to the protrusions and the ship is salvaged easily without manpower by using traveling inertia of the ship.
Patent KR-20000040213-A (KR)
Title: Marking apparatus capable of automatically cutting off lamp power supply thereof
Inventor: JEONG SIL GEUN
IPC: H01L21/027
Filed: 1998-12-17
Abstract: PURPOSE: A marking apparatus is provided to automatically cut off a power supply of a lamp in the apparatus. CONSTITUTION: A marking apparatus includes an exposing section where a wafer is exposed to a light source and relevant information is recorded on the wafer. Moreover, the exposing section has a lamp(30) used as the light source, a lamp house(A) containing the lamp(30), an exposing stage on which the wafer to be exposed is placed, and a projection lens. The lamp(30) in the lamp house(A) is connected with a power supplying unit(34) via a switch(32) such as a toggle or micro switch. The switch(32) is controlled by a cover which is equipped on a top of the lamp house(A) and vertically opened and closed. That is, when the cover is down and closed, the switch(32) is turned on by pressure of the cover, whereas when the cover is up and opened, the switch(32) is turned off by release of the cover. Therefore, a power supply of the lamp is automatically cut off when the cover of the lamp house(A) is opened during an exposing process.