baber/WOPTO huggingface dataset:
Patent KR-20000001579-A (KR)
Title: Separation and recovery of nickel, vanadium, and molybdenum from waste catalyst of vacuum residue desulfurization
Inventor: KIM JUN SOO
IPC: C01G31/00
Filed: 1998-06-12
Abstract: PURPOSE: Nickel, vanadium, and molybdenum are separated and recovered individually and continuously, i.e., nickel components by the form of NiSO4 in the solution of oxidation-roasting vacuum residue desulfurization in low temperature and in the solution of precipitating ammonium sulfate; vanadium components by the form of V2O5 from its residual in high temperature; and molybdenum components by the form of CaMoO4. CONSTITUTION: Nickel components which contain in the valuable metals containing in the waste catalysts of the vacuum residue desulfurization are separated and recovered by the form of NiSO4 through the procedure of oxidation-roasting in low temperature, precipitation of ammonium sulfate, and solvent extract, and then crystallization; vanadium and molybdenum components which have in the residue after recovering nickel are separated and recovered by each forms of V2O5 and CaMoO4. through the procedure of soda-roasting in high temperature, the precipitation in water, the selective precipitation, and the calcination.
Patent KR-19990013437-A (KR)
Title: 환상요철파형관용 벨마우스
IPC: F16L25/00
Filed: 1998-06-23
Abstract: 나선요철파형관의 개구부에 대한 벨마우스의 경우와 마찬가지로 관벽의 형상이 환상요철파형관의 개구부에 대해 빠지지 않도록 부착되어 이를 보정할 수 있는 벨마우스를 제공하는 것을 과제로 한다. 
     이를 해결하기 위해 벨마우스의 통형상부(1)는 그 외주면에 방사방향으로 돌출하는 하나 또는 여러개의 제 1돌기(21)와, 이 제 1돌기(21)와는 축선방향과 원주방향으로 위상한 곳에 돌출하는 하나 또는 여러개의 제 2돌기(22)를 갖추고, 이들 양 돌기(21)(22)는 벨형상 개구부(3)쪽이 급한 각도면(2a)으로 이루어지고, 통형상 개구부(4)쪽이 완만한 경사면(2b)으로 이루어지며 또한 상기 제 1돌기(21)에 대한 제 2돌기(22)의 축선방향의 위상간격(w)이 상기 환상요철파형관(P)에서의 소경부(32)의 내면부 축선방향의 폭(W)에 대해 w≤W의 관계가 되고, 원주방향의 위상각(r)이 제 1돌기(21) 간격의 대략 2분의 1이 되는 원주각으로 되어있다.
Patent KR-20000003758-A (KR)
Title: Thin film transistor liquid crystal display
Inventor: YIM SUNG SIL
IPC: G02F1/136
Filed: 1998-06-29
Abstract: PURPOSE: A thin film transistor liquid crystal display is provided to include a buffer layer between an organic insulation film and a pixel electrode so as to improve an adhesion quality between the organic insulation film and the pixel electrode. CONSTITUTION: The thin film transistor liquid crystal display having a glass substrate(38); a gate line and subsidiary capacitance line arranged alternately each other; a data line(40) arranged vertically and crossly with the gate line and subsidiary capacitance line; a gate insulation film(36) for insulating the gate line and the data line; a thin film transistor arranged adjacent to a crossing portion of the gate line and the data line; a contact hole coated thickly on the glass substrate having the thin film transistor, and for exposing a part of the thin film transistor; and a pixel electrode(46) contacted with a part of the thin film transistor through the contact hole and arranged with overlap with one side of the gate line and the data line in a pixel portion limited by the gate line and the data line comprises: a buffer layer(44) between the organic insulation film and the pixel electrode(46).
Patent KR-20000003992-A (KR)
Title: Industrial microwave oven
Inventor: PARK EUI SOON
IPC: F26B9/02
Filed: 1998-06-30
Abstract: PURPOSE: An industrial microwave oven is provided to promptly dry the heated material containing much moisture and to vent out the vapor and the smell generated during drying. CONSTITUTION: A microwave oven has:an oven cavity(100) having an inner chamber formed in a rectangular body of a sealed structure; a high frequency oscillator(300) having magnetron(314) on both panels(120,130) of the oven cavity to evenly oscillate high frequency into the oven cavity; a venting part(400) to selectively vent out the air inside of the oven cavity.
Patent KR-19990013727-A (KR)
Title: 프로브 테스트 방법 및 프로브 장치
IPC: G01R31/28
Filed: 1998-07-09
Abstract: 피검사체(W)의 전기적 특성을 검사하는 프로브 방법 및 장치에 있어서, X, Y, Z 및 θ 방향으로 이동 가능한 탑재대를 오버드라이브시켜 탑재대상의 피검사체(W)와 프로브 단자를 접촉시킬 때, 상기 프로브 단자에 의해 인가되는 접촉압에 의해 상기 탑재대를 지지하는 축이 휘어서 상기 탑재대가 경사진다.  이 경사에 의해, 상기 프로브 단자가 상기 피검사체의 전극상에서 접촉해야 할 위치가 X, Y 및 Z 방향으로 어긋나게 된다(이동된다).  이 이동 거리를 연산 장치에 의해 예측하여 상기 탑재대를 X, Y 및 Z 방향으로 이동시킴으로써, 이 이동 거리를 보정하는 방법 및 장치가 개시되어 있다.
Patent KR-19980071996-A (KR)
Title: 과채, 화훼류 선도유지용 무기소재의 제조방법
Filed: 1998-07-10
Abstract: 대부분의 청과류나 화훼류는 골판지종이박스에 포장되어 저장이나 유통이 되는데, 포장박스내의 생물은 호흡작용을 계속하게되며 이때 발생되는 에틸렌가스는 박스가 완전기밀 상태는 아니라해도 내부에 정체하게 되며 이 에틸렌가스는 생물의 숙성을 촉진하게되어 저장수명을 단축시켜 상품으로서의 가치를 저하시키는 요인이 되고 있다. 
     본 발명에서는 담체에 과망간산칼륨을 담지시켜 에틸렌가스를 효과적으로 흡착 및 분해할 수 있으며, 미생물에 의한 부패를 방지하기 위한 항균기능과 생체의 수분활성화를 위한 원적외선방사기능을 복합적으로 가질 수 있는 무기소재가 담체가 되는 선도유지제의 제조에 관한 것으로 골판지박스내의 피포장물의 선도유지 및 연장효과를 극대화할 수 있다.
Patent KR-19990014120-A (KR)
Title: 전동장치
IPC: F16H25/22
Filed: 1998-07-23
Abstract: 본 발명의 목적은 전동장치를 조밀하게 만드는 것이다. 
     클램프로드(15)는 외주면 전체에 걸쳐 톱니모양으로 연결되어 통하는 제1오목로(1)가 설치된 외주면을 갖는다. 제1오목로(1)는 약 1피치로 형성되는 이중나선형 나사의 제1나선홈(1a),(1b)과, 연통홈(1d),(1e)을 통해 상호 연결되어 통하는 초단(初端)과 종단(終端)을 가지는 한쌍의 인접한 나선홈(1a),(1b)을 구성으로 한다. 클램프로드(15)의 외부에 끼워진 슬리브는 제1오목로(1)에 대응하는 제2오목로(2)가 형성된 내주면을 갖는다. 제1오목로와 제2오목로의 사이에는 복수개의 전동볼이 채워진다. 클램프로드(15)와 슬리브는 상호 각각의 축방향으로 이동하여, 그 축 주위로 클램프로드(15)를 회전시킨다.
Patent KR-20000009596-A (KR)
Title: Air filter of switch system
Inventor: MAENG GI HYUNG
IPC: H04Q1/00
Filed: 1998-07-27
Abstract: PURPOSE: An air filter of a switch system capable of filtering air introduced from outside by means of a fan and preventing the switch system from operating wrong by filtering external dust, is provided. CONSTITUTION: The air filter of switch system comprising: a front panel(10), an air hole being formed at the front panel(10); a side panel(20) connected to both sides of the front panel(10); a fan bar(30) having a fan(32), both ends of the fan(32) are mounted at an inner side of the side panel(20); and an air guide(33) formed at an upper side of the fan bar(30) for controlling flows of warm and cool air; and an air filter(40) formed at a lower side of the fan bar(30) for filtering introduced air, and has the same area as that of the air filter.
Patent KR-20000010229-A (KR)
Title: Partition for protecting bus driver
Inventor: HWAN SUNG SOO
IPC: B62D31/00
Filed: 1998-07-31
Abstract: PURPOSE: A partition for protecting a bus driver is provided to prevent a passenger from invading into a driver's seat by a vehicle shaking when a vehicle suddenly starts and stops and to rapidly cool and heat the driver seat by dividing the driver seat and a passenger room into many partitions and doors. CONSTITUTION: The partition for protecting a bus driver is composed of:a rear partition(20) fixing on a rear loop panel(10) of the driver seat, a bottom panel(11) and a side panel(12); a first lateral partition(30) in which the left side end and right side end of the rear partition are combined to a corner connecting hole(40); a door(50) in which the right side end and the left side end of the first lateral partition are combined to be rotated by a hinge(70) and the outer circumference is inserted into a first frame(56); and a second lateral partition(60) installed in the right side of the door.
Patent KR-20000013230-A (KR)
Title: Multihead and landing error compensating method
Inventor: KIM JUNG WOO
IPC: H01J9/22
Filed: 1998-08-06
Abstract: PURPOSE: When a flat Braun tube is applied in the inkjet method, fluorescence/color filter is filled after a black matrix is being first formed. But if there is a time gap between black matrixes, landing error is occurred when fluorescence/color filter being sprayed is using an inkjet head. The landing error drops color purity and evokes stain phenomena and indicator errors. This device is to supply the inkjet head that avoids the landing error and an application method. CONSTITUTION: A multi-head comprises of the first layer(22) and the second layer(24). The first layer(22) has multiple path(12) receiving fluorescence/color filter, multiple nozzles (20) to spray fluorescence/color filter to the panel and the first transparent electrode (18) to make spraying the fluorescence/color filter have electrode polarity. The second layer (24) has multiple piezoelectric elements (14) to supply fluorescence/color filter to the nozzle(20) of the first layer(22) on the insulating substrate(26) and the second transparent electrode(16) to move them. The third transparent electrode in the panel is formed on lines between the black matrixes. Accurate filling is possible as fluorescence/color filter permitting high-level AC contrary to the electric polarity of fluorescence/color filter is absorbed to the third transparent electrode electro-magnetically.
Patent KR-19990023492-A (KR)
Title: 유체압 기기용 배관이음매
IPC: F16L37/14
Filed: 1998-08-10
Abstract: 전자변환밸브 등의 유체압 기기의 2개 포트(A),(B)에, 원터치 이음매(28)는 종래예와 마찬가지로 장착 가능한 것으로 하면서, 암나사를 갖춘 이음매(30)는, 배관을 위한 수나사부재의 나사삽입시에도 그 이음매가 회전하지 않도록 고정 가능하게 한 배관이음매를 제공한다. 
     2개의 포트(A),(B)에 압력유체가 변환 공급되는 유체압 기기에, 배관 접속용 원터치 이음매(28) 및 암나사를 갖춘 이음매(30)를 교환 가능하게 장착한다. 원터치 이음매(28) 및 암나사를 갖춘 이음매(30)는, 종래와 마찬가지로 장착 가능하게 하지만, 암나사를 갖춘 이음매(30)는, 그 2개를 연결부재(32)를 통해 일체로 연결 고정하고 배관을 위한 수나사부재의 나사삽입시에도 그 이음매가 회전하지 않도록 구성한다.
Patent KR-19990029443-A (KR)
Title: 특정 온도 조절을 통한 트윈 스크류 압출기내 용융-가공성 폴리우레탄의 연속 제조 방법
IPC: C08J5/18
Filed: 1998-09-02
Abstract: 본 발명은 용융-가공성 폴리우레탄의 연속적인 제조 방법에 관한 것으로서,  200 ℃ 미만에서 이소시아네이트-종결 예비중합체가 사슬 확장제와 격렬하게 혼합되고, 유사단열 반응 조건하에서 얻어진 혼합물은 트윈 스크류 압출기내에서  용융 가공성 폴리우레탄으로 전환된다.
Patent KR-19980087627-A (KR)
Title: 항균, 항충제 및 바이오세라믹이 함유된 텐트 및 그 제조방법
Filed: 1998-09-03
Abstract: 본 발명은 항균,항충제 및 바이오세라믹이 함유된 텐트 및 그 제조방법에 관한 것으로, 일반적으로 널리 사용되어 오고 있는 텐트는 그 사용처가 산이나 강가 또는 해변에 설치하여 사용하고 있다. 이와같이 사용처가 야외이다 보니 인체에 해로운 모기나 파리등이 텐트내에 침투하여 수면을 방해하거나 해를 끼치는 등의 결함이 있는 것이다. 
     특히 산에서는 뱀이 많이 돌아다니기 때문에 산에서 야영을 하다 뱀에 물리는 사례가 있으며 뱀에 물리지 않도록 하기 위하여 담배가루를 텐트 주위에 뿌리는 등의 조치를 취하여야만 잠을 자야 하는 등의 여러 가지 결함이 있는 것이다. 
     본 발명은 항균제 와 항충제가  및 원적외선이 방출되는 바이오세라믹을 천트천(섬유)에 침투시킨 것을 사용하여 텐트를 제공하여 인체에 해로운 해충이나 뱀이 텐트 근처에 근접하지 못하도록 한 것이다.
Patent KR-20000019314-A (KR)
Title: Driving condition setting device and method using assistant memory device
Inventor: WON DONG HOON
IPC: B60K28/10
Filed: 1998-09-10
Abstract: PURPOSE: A driving condition setting device is provided to conveniently set a driving condition without fitting all the objects to be controlled with a motor such as the position of a rear vis ion mirror or the position of a seat when boarding another vehicle changed. CONSTITUTION: An operation of a traveling condition setting device has the steps of: inserting an assistant memory device(210) into an assistant memory device driver(200); delivering an interrupt(130) to a CPU(Central Processing Unit) if the assistant memory device is inserted into the driver(200); setting the driving condition of a vehicle by reading the data of the assistant memory device by the interrupt signal. The interrupt signal processing steps has the steps of: data storing for storing to the ROM(120) of a CPU(100) by reading the data of the assistant memory device by the driver of the assistant memory device; replacing the variables in the interrupt signal processing routine into the data of the ROM(120); a control signal outputting for outputting the control signal processed the data through an input/output device(140) to a motor driver(300).
Patent KR-20000019888-A (KR)
Title: Preparing method for cell cycle dependent kinase 4 (cdk4)/hc delta p16 composite using insect cell, and purification method of cdk4 protein therefrom
Inventor: CHANG HO JIN
IPC: C12N15/85
Filed: 1998-09-16
Abstract: PURPOSE: Cell cycle dependent kinase 4 and p16 proteins with a carboxyl group cut off are purified in the form of a stable complex with high purity so that it is able to be used as a raw material for anti tumor agent. CONSTITUTION: The purification method for high purity of cell cycle dependent kinase 4/HC DELTAP16 complex comprises performing nickel affinity chromatography, gel filtration chromatography and/or anion exchange chromatography with a solution of pulverized insect cells with cell cycle dependent kinase 4 and histidine marked and defective p16 having a carboxyl terminal group sectioned (HC DELTA P16) expressed in the form of CDK4/HC DELTA P16 complex. The purification method uses a buffer solution at pH 7.0 to 10.0. The CDK4/HC DELTA P16 complex fraction is precipitated with ammonium sulfate and a chaotrophic reagent is added to separate the complex into CDK4 and C DELTA P16 proteins, which is followed by a gel filtration chromatography and a dialysis.
Patent KR-20000020383-A (KR)
Title: Motor for abs brake
Inventor: SHIN JAE YONG
IPC: B60T8/00
Filed: 1998-09-21
Abstract: PURPOSE: A motor for an ABS(Anti-lock Brake System) brake is provided to improve the productivity and to reduce the costs of components as well as to extend the life span by preventing water from percolating by improving the connecting structure a cable. CONSTITUTION: A motor is formed by: a connecting structure(100) of the pole housing including at least more than two flanges bent towards outside from the opening part of the pole housing; a closing structure(200) for an end plate containing a curved part(115) slightly bent toward outside from the end of the opening part a curved projection and a sealing member(220); and a connecting structure of a cable having an inserted part inserted into the holes and a connecting piece having a gasket.
Patent KR-20000021482-A (KR)
Title: Apparatus for automatically controlling focus and screen voltage using on screen display and method
Inventor: YOON JOO HO
IPC: H04N7/08
Filed: 1998-09-29
Abstract: PURPOSE: An apparatus for automatically controlling a focus and a screen voltage using an On Screen Display(OSD) and method are provided to provide a producer and a user with the convenience. CONSTITUTION: An apparatus for automatically controlling a focus and a screen voltage using an On Screen Display(OSD) and method includes a Fly Back Trans(FBT), a micom(40), an OSD IC(50), and a control element(60). The FBT is to raise a voltage a fly back pulse applied from a horizontal output circuit(10), rectify this with high voltage, and provide to the anode of a cathode ray tube. Also, the FBT provides a large number of divided resistances and divide a high voltage provided to the anode to offer an output with a focus and a screen voltage. The micom is to control a control signal, if a focus and screen control signal are applied from a key input element by user, so as of the OSD screen to be embodied and offer an output a pulse voltage as a level controlled by a level control button of a key input element. The OSD IC is to embody an OSD menu on the screen of an image display equipment under a control of the micom. The control element is to control the focus and screen voltage level according to a pulse voltage level being offered an output from the micom.
Patent KR-19990036749-A (KR)
Title: 반도체집적회로장치
IPC: G11C8/00
Filed: 1998-10-01
Abstract: 반도체집적회로장치에 관한 것으로서, 설계나 관리를 간소화하면서 다양한 구성으로 되는 RAM을 구비한 반도체집적회로장치를 제공하기 위해서, 여러개의 매트 및 여러개의 매트에 대해서 공통으로 마련된 제어회로를 포함하고, 여러개의 매트는 각각 메모리어레이, 입력어드레스신호에 대해서 소정값의 가산 또는 감산동작을 실행하고 출력어드레스신호를 형성하는 연산회로 및 입력어드레스신호 및 출력어드레스신호중 어느 한쪽과 상기 여러개의 매트에 대해서 공통으로 부여되는 매트선택신호의 일치/불일치를 판정하는 비교회로를 구비하고, 여러개의 매트에 대응하는 여러개의 연산회로는 종렬형태로 접속되고, 비교회로의 판정결과가 일치인 경우 이 판정을 한 비교회로에 대응하는 매트내의 메모리어레이가 활성화되어 있다. 
     이와 같은 구성으로 하는 것에 의해서, 어드레스신호와 메모리액세스시에 입력된 어드레스신호를 비교회로에 의해 일치비교해서 각 메모리매트에 있어서 상기 일치신호에 의해 어드레스선택동작을 활성화시키는 구성을 취하는 것에 의해서, 각 메모리매트로서 표준화된 것을 사용할 수 있고 RAM모듈의 설계관리를 간소화할 수 있다는 효과가 얻어진다.
Patent KR-20000027645-A (KR)
Title: Method for fabricating semiconductor devices
Inventor: KIM GI CHEOL
IPC: H01L27/108
Filed: 1998-10-28
Abstract: PURPOSE: A method for fabricating semiconductor devices is provided to reduce failures of the device by decreasing leakage current at junction between a substrate and a doped layer. CONSTITUTION: An interlayer dielectric having contact hole for charge storage electrode is formed on a first conductive substrate. Isolation spacers are formed on the side walls of the contact hole. The exposed substrate on the bottom of the contact hole is annealed to transform the substrate portion to a thermal oxidation layer(23). The isolation spacer is removed. A charge storage electrode doped with a second conductive dopant is formed on the entire surface of the resultant structure.
Patent KR-20000028115-A (KR)
Title: Water flow meter system using many flow meters
Inventor: AN KYE HONG
IPC: H01L21/00
Filed: 1998-10-30
Abstract: PURPOSE: A water flow meter system using many flow meters is provided to stably supply water by detecting the abnormality of one flow meter using many water flow meters and operating the other normal flow meter. CONSTITUTION: When a contact sensor(224) is closed to a level weight of a flow meter(222) by generating a fail in a water flow meter(22), the contact sensor(224) outputs by detecting the fail and by generating a fail signal. A control unit(25) generates a control signal for driving the other flow meter(24) by responding to the fed fail signal, and outputs the control signal to a solenoid valve(26). The solenoid valve(26) operates a water flow meter(24) by generating a driving signal to drive an air water valve(28). Therefore the flow meter(24) is operated by the air water valve(28), and is able to normally display the amount of water flowed from outside. The water flowed through the water flow meter(24) is supplied to an external equipment system through an output terminal OUT by passing a pipe(210).
Patent KR-19990007764-A (KR)
Title: 살충효과가 우수한 모기유충을 제거하기 위한 조성물
IPC: A01N43/00
Filed: 1998-10-31
Abstract: 본 발명은 Podocarpus totara 에서 유기용매 추출된 디테르페노이드(diterpenoid)계 물질을 포함하는 살충효과가 우수한 모기유충을 제거하기 위한 조성물에 관한 발명이다.  본 발명의 조성물은 모기유충에 대한 활성이 기존의 천연물질에 비하여 매우 우수하며 천연물질에서 추출된 성분을 포함하므로 어폐류나 인체에 대한 독성이 적은 발명의 효과를 가진다.  상기 디테르페노이드계 물질은 하기 화학식으로 나타내어지는 토타롤 또는 그 유도체이다: 
     
       
         
       
     
     상기 화학식에서 R 1 은 수소 또는 히드록시이고 R 2 는 메틸기, 메톡시기, 알데히드기, 또는 카르복실기이다.
Patent KR-20000032852-A (KR)
Title: Redundancy test circuit for semiconductor memory device
Inventor: KIM HYONG DONG
IPC: G11C29/00
Filed: 1998-11-18
Abstract: PURPOSE: A redundancy test circuit for a semiconductor memory device is provided to reduce a test time and mis-operation. CONSTITUTION: A semiconductor memory device includes a pre decoder(100), a normal row decoder(200), a redundancy row decoder(300), a normal word line(400) and a redundancy word line(500). The pre decoder(100) decodes externally-inputted addresses, and provides them to the normal row decoder(200) and the redundancy row decoder(300). The normal row decoder(200) and the redundancy row decoder(300) respectively enable the normal word line(400) and the redundancy word line(500) positioned on different blocks, at the same time.
Patent KR-19990045417-A (KR)
Title: 전계 방출형 냉음극 장치
IPC: H01J1/30
Filed: 1998-11-19
Abstract: 전계 방출형 냉음극 장치에 있어서, 관내 진공도가 10 -8 Pa 내지 10 -4 Pa일 때 몰리브덴으로 만들어진 에미터 코운과 게이트 전극 사이의 방전 전류치가 5 mA를 초과하지 않도록 제어된다.
Patent KR-20000038096-A (KR)
Title: Method for allocating channel in satellite network for transmitting data
Inventor: SON HONG SE
IPC: H04Q11/00
Filed: 1998-12-03
Abstract: PURPOSE: A method for allocating channel in satellite network for transmitting data is provided to offer an improved service in a subscriber terminal station and increase the accessibility by converting a time slot with limited numbers into a fixing allocation mode, a competition mode and a reserved allocation mode according to a kind of a request of a subscriber and a service. CONSTITUTION: General subscriber terminal stations hold a time slot of a competition mode in common(S41). A reserved request message is transmitted to a central station when a length of a transmission queue is greater than a reserved request threshold length(S42,43). The terminal, which transmits the reserved request message, judges a message received from the central station(S46). The terminal judges as to whether the length of the transmission queue is less than a reserved release limit length when a reserved rejection message is received(S44). The terminal transmits data in a reserved allocation mode when a reserved approval message is received(S47). The terminal judges whether the length of the transmission queue is less than the reserved release limit length(S48). The terminal transmits a reserved release request message to the central station when the length of the transmission queue is less than the reserved release limit length(S50).
Patent KR-20000038288-A (KR)
Title: Earthquake monitoring system
Inventor: LEE JONG RIM
IPC: G01V1/34
Filed: 1998-12-05
Abstract: PURPOSE: An earthquake monitoring system is provided to quickly and accurately evaluate the influence on a building by the earthquake, thereby performing rapid pre and post measurements. CONSTITUTION: An earthquake monitoring system comprises an earthquake sensor unit(10), a digital signal processor(20), a computer(30), a printer(40), a programmable logic controller(50), a digital signal processor interface(70) and a power supply(80). The earthquake sensor unit(10) consists of 3-axis accelerator and a trigger switch. The digital signal processor(20) has an A/D converter converting the acceleration value into a digital value to consistently compare instantaneous values with a preset value. The computer(30) receives event signals and earthquake data from the processor. The programmable logic controller(50) outputs maximum value of the earthquake signals to a bar graph displayer. The digital signal processor interface(70) converts signal levels in order to interface between an earthquake trigger in a field, the logic controller and the processor.
Patent KR-20000038567-A (KR)
Title: Low temperature cofired ceramic on metal and manufacturing method thereof
Inventor: LEE WOON JIN
IPC: H05K3/00
Filed: 1998-12-08
Abstract: PURPOSE: A low temperature cofired ceramic on metal capable of preventing an LTCC-M from being broken during a cutting step by forming a stacking member and a cutting line prior to cofiring a stacking member and metal or a ceramic substrate and a manufacturing method thereof are provided. CONSTITUTION: A method for manufacturing a low temperature cofired ceramic on metal, a stacking member in which a plurality of circuits are formed and a substrate is co-stacked. A cutting line is formed so that the substrate corresponds to a circuit pattern boundary of the stacking member and a co-stacking member is formed. A cutting line is formed on the co-stacking member along a boundary between the plurality of circuits. The co-stacking member in which the cutting line is formed is cofired.
Patent KR-20000040962-A (KR)
Title: Production process of nickel-zinc complex oxidation powder using zinc-nickel plating waste liquid
Inventor: LEE HUN HA
IPC: C04B35/30
Filed: 1998-12-21
Abstract: PURPOSE: A nickel-zinc complex oxidation powder is provided which uses a zinc-nickel plating wasted liquid to obtain a ferrite source that is used as a starting material of nickel-zinc-copper ferrite or so on. CONSTITUTION: A production process is as follows: (1) a first step wherein a ferrous ion with 25-50 ppm is added to a zinc-nickel plating wasted liquid, a hydrogen peroxide with over a half as much as the mole ratio of the added ferrous ion, an alkali component is added to adjust pH as 3.5-5.5 and produce a sludge, the produced sludge solution is stirred and ripen for 0.5-3hours with keeping the temperature at 30-80°C to adsorb a silicone and the solution is filtered to eliminate impurities; (2) a second wherein a zinc powder as much as over the mole number of a nickel is added to the filtered solution to recover a nickle as metallic oxide in the nickel-zinc complex form; (3) a third wherein the metallic oxide is repeatedly filtered, washed and dried to eliminate impurities; and (4) a fourth wherein the solution is treated with heat at over 600°C under oxidic condition.