baber/WOPTO huggingface dataset:
Patent KR-20000027590-A (KR)
Title: Computer system restoring the impossible states of movement and handling method
Inventor: OH SANG IN
IPC: G06F11/22
Filed: 1998-12-28
Abstract: PURPOSE: A method is provided for the computer system which can restore the impossible system occurred by a hardware devices such as an input device or a communication interface device. CONSTITUTION: A computer system is shut downed on the operating of an input device or a communication interface such as modem and network device. So the system has a restoring button to restore the impossible movement. The user inputs a restoring button, if distinguishing the impossible movement of system. The micro computer can solute the impossible movement of system and can preserve an operating data as requiring a system management interrupt.
Patent KR-20000027647-A (KR)
Title: Sub wordline driver
Inventor: HWANG YONG HO
IPC: G11C11/407
Filed: 1998-10-28
Abstract: PURPOSE: A sub word line driver is provided to simplify the structure, and to reserve the margin of layout by removing NMOS preventing current leakage. CONSTITUTION: A substrate bias voltage(Vbb) is supplied to an input line(1). A first PMOS component(3) and a first NMOS component(4), of which the gates are connected to the input line(1) common and the output terminal is connected to a first word line(2), are mutually connected between a word line boosting terminal(Vpp) and a grounding voltage terminal(Vss), and selects the first word line(2) by being controlled by the substrate bias voltage(Vbb). A second PMOS component(6) and a second NMOS component(7), of which the gates are connected to the input line(1) common and the output terminal is connected to the second word line(9), are mutually connected between the word line boosting terminal(Vpp) and the grounding voltage terminal(Vss) and do not select the second word line(9) by being controlled by the substrate bias voltage(Vbb) when the first word line(2) is selected.
Patent KR-19990045127-A (KR)
Title: 방사선 화상 판독 장치
IPC: G03B42/02
Filed: 1998-11-09
Abstract: 방사선 화상을 판독하기 위한 장치에는 카세트로부터 인출된 매체를 보유하기 위한 보유부 - 상기 매체는 방사선 화상이 기억되어 있는 기록면을 가지며, 상기 보유부는 상기 기록면의 배향이 실질적으로 수직이도록 상기 매체를 보유함-; 및 상기 보유부에 의해 보유된 매체의 기록면 상의 방사선 화상을 판독함으로써 기록면으로부터 방사선 화상 정보를 얻을 수 있는 판독부가 제공된다.
Patent KR-20000031714-A (KR)
Title: Rubber vibration isolator
Inventor: LEE SUNG HOON
IPC: C08L7/00
Filed: 1998-11-09
Abstract: PURPOSE: An antilibration rubber is obtained from a method characterized in that the mixing ratio of crude rubber and butadiene rubber is different from those of conventional rubbers, and soft carbon black and vulcanizing agent are additionally mixed. Thus the antilibration rubber is applicable to rubber articles in which high heat-resistance, high durability, excellent dynamic-spring characteristic are required. (i.e., sufficiently low dynamic spring constant). CONSTITUTION: The antilibration rubber comprises: 100 parts by weight of raw rubber wherein the mixing ratio of crude rubber to butadiene rubber is 8: 2; 3 to 7 parts by weight of vulcanizing agent wherein the mixing ratio of sulfur to vulcanization accelerator is 1.5 to 3; and 20 to 70 parts by weight of soft carbon black.
Patent KR-19990045398-A (KR)
Title: 파워스티어링 시스템
IPC: B62D6/00
Filed: 1998-11-19
Abstract: 본 발명이 해결하고자 하는 과제는 제어유량이 변화했을 때에 조타필링이 나빠지지 않는 파워스티어링 시스템을 제공하는 데에 있다. 
     이를 해결하기 위해서 밸브기구(V)는 제어유량(Q)을 제어하여 파워실린더(C)에 분배공급하는 실린더 제어밸브(CV)와, 이 실린더 제어밸브(CV)와 병렬로 접속하는 바이패스 제어밸브(BV)로 이루어진다.  그리고 상기 바이패스 제어밸브(BV)는 통상은 닫혀 있지만 제어유량(Q)이 최저유량(Q 1 )에서 보조력에 필요한 유량(Q 2 )으로 늘어날 때 열려 그 제어유량(Q)의 일부를 탱크로 되돌리는 구성으로 되어있다.
Patent KR-20000033906-A (KR)
Title: Data sensing device of multibit memory cells
Inventor: JEON SI BEOM
IPC: G11C11/56
Filed: 1998-11-26
Abstract: PURPOSE: A data sensing device of multi bit memory cells is to increase sensing reliability and to carry out sensing operations at high speed by achieving more reading margin of a nonvolatile memory cell having a plurality of threshold voltage levels to store multi bit data. CONSTITUTION: A data sensing device of multi bit memory cells comprises a memory cell array unit(21), each memory cell having at least two threshold voltage levels, a multi step current source unit(25) for outputting quantization voltage having narrower voltage distribution width than that of the threshold voltage distribution of memory cells according to the current flowing through a memory cell selected from the memory cell array unit, and an analog/digital convertor(29) for outputting the state of the memory cell in binary data form by comparing the quantization voltage of the multi step current source unit and a plurality of standard voltages.
Patent KR-20000037811-A (KR)
Title: Apparatus and method for discriminating carrier recovery state in quadrature amplitude modulation demodulator
Inventor: KIM TAE HYUNG
IPC: H03D1/00
Filed: 1998-12-02
Abstract: PURPOSE: An apparatus for discriminating whether a carrier recovery is normally performed when a signal-to-noise ratio is low because much noise is included in a signal in a quadrature amplitude modulation demoduator and a method thereof are provided. CONSTITUTION: In a method for discriminating a carrier recovery in a quadrature amplitude modulation demodulator, a corresponding I-Q plane is formed according to an input quadrature amplitude modulated signal. An area at the I-Q plane in which an absolute value of a Q is smaller than a half of a unit length is calculated. An area at the I-Q plane in which an absolute value of a Q is equal to or larger than a half of a unit length is calculated. The two calculated values are compared with each other and it is discriminated whether a carrier recovery is normally performed.
Patent KR-20000038025-A (KR)
Title: Apparatus for automatically adjusting screen size of display and a method thereof
Inventor: KIM HONG GI
IPC: H04N5/44
Filed: 1998-12-03
Abstract: PURPOSE: An apparatus for automatically adjusting a screen size of a display and a method thereof are provided to detect size variation of the display in order to adjust the size of the display easily. CONSTITUTION: An apparatus for automatically adjusting a screen size of a display includes a plurality of optical sensors(71,72,73,74), a main control unit(80), a horizontal/vertical actuator(90), and a size adjustor(100). The plurality of optical sensors(71,72,73,74) are implemented on predetermined locations between a cathode ray tube and a front cabinet(60). The main control unit(80) determines whether size of the display is increased by using the plurality of sensors and outputs a control value stored in an inner memory. The horizontal/vertical actuator(90) generates drive pulses for adjustment. The size adjustor(100) outputs horizontal/vertical control voltage to a horizontal/vertical deflection yoke.
Patent KR-20000038483-A (KR)
Title: Mobile virtual real kiosk
Inventor: KIM JONG HYEON
IPC: G06F17/30
Filed: 1998-12-07
Abstract: PURPOSE: A mobile virtual real kiosk is provided to sell products with a person or non-person in public places, through high definition-kiosk displaying function and a virtual real function, by receiving virtual real data and moving pictures through wireless communications and pre-established structure. CONSTITUTION: A mobile virtual real kiosk comprises the steps of: reading a command to product menu which a seller or a consumer selects(S1); comparing and deciding whether the menu is selected; if selected the menu, requesting server database to a selected item; receiving continuously data to a corresponded item with explaining the product(S4); comparing and deciding whether the data receiving is completed to receive; if completed, returning to the S1 and waiting for a next command; and if not, returning to the S4 to continue on receiving the data.
Patent KR-20000038949-A (KR)
Title: Structure of decreasing frictional resistance of rotor for compressor
Inventor: KIM KYUNG HO
IPC: F04B39/00
Filed: 1998-12-10
Abstract: PURPOSE: A rotor having a frictional resistance decreasing structure for a compressor is provided to decrease the frictional resistance of the rotor by reducing the area that undergoes friction between a rotor and the frames, thereby reducing the loss when the rotor rotates, so that the efficiency is improved and the power consumption is decreased. CONSTITUTION: A rotor(4) having a frictional resistance decreasing structure for a compressor includes an opened part(S) reducing the friction area when the rotor(4) rotates, installed in the friction surface between the rotor(4) forming an electric machine part generating a driving power and a frame(30) controlling the movement of the rotor(4) by being contactedly supported the rotor(4) when the rotor(4) rotates. The opening part(S) is formed with a plurality of area decreased grooves formed at a predetermined gap on the contact surface contacting with the frame(30).
Patent KR-20000039430-A (KR)
Title: Preparation method of inflammable panel using waste newspaper
Inventor: YOO GHAN CHUL
IPC: C04B18/24
Filed: 1998-12-14
Abstract: PURPOSE: A preparation method of inflammable panel using waste newspaper is provided, which is light, rigid, harmless to human, and moreover cost advantageous. CONSTITUTION: A preparation method of inflammable panel using waste newspaper comprises: (1) impregnating waste newspaper in the solution incorporating 6 parts by weight of NaOH, based on the weight of water; (2) boiling it for 40 min at 110°C while agitating to remove printed ink and residue; (3) boiling it for 20 min at 110°C while agitating to soften lignin in newspaper, followed by washing it with water; (4) mixing 75 wt.% of newspaper, 15 wt.% of white portland cement, 8 wt.% of lime, and 2 wt.% of compound in a mixer for 20 min.
Patent KR-20000040686-A (KR)
Title: Dual system of lan line
Inventor: SEO JIN SEOK
IPC: H04L12/28
Filed: 1998-12-19
Abstract: PURPOSE: A dual system of a LAN line is provided to solve a problem due to a line trouble by composing a LAN line of a dual structure. CONSTITUTION: A dual system of a LAN line comprises a first LAN connection processing portion(120), a second LAN connection processing portion(140), and a monitoring and controlling module(160). The first LAN connection processing portion transmits and receives transmission/reception data through a first port/line. The second LAN connection processing portion transmits and receives the transmission/reception data through a second port/line. The monitoring and controlling module monitors periodically the status of the first and the second connection processing portions and changes the wrong port/line to a normal port/line when a trouble is generated on the port/line.
Patent KR-20000040999-A (KR)
Title: Preparation method of preservation for dried flowers
Inventor: GHO SANG OH
IPC: A01N3/02
Filed: 1998-12-21
Abstract: PURPOSE: A preparation method preservation for dried flowers is provided, specially, which prevents dried flower from changing color and from decomposition through coating polymer membrane of freeze-dried flowers and prevents dried flower from being crushed. CONSTITUTION: A process of preparation method preservation for dried flowers is composed of several steps. A first step is coating polymer membrane through putting dried flower into plasma reactive tool at ultra-low pressure and when putting into a little of polymerizational gas into plasma reactive tool, discharging electricity. A second step is not necessary, but is given anti-germ through making functional group on surface of flower and then substitution silver ion for hydrogen ion.
Patent KR-20000041131-A (KR)
Title: Charge coupled device
Inventor: SIM JIN SEOP
IPC: H01L27/146
Filed: 1998-12-21
Abstract: PURPOSE: A charge coupled device is to eliminate the difference in the sensitivity between pixels and elevate the sensitivity in low luminance, thereby enhancing the whole resolution. CONSTITUTION: A charge coupled device comprises: a photodiode region formed on a semiconductor substrate(6) and arranged in matrix, for converting a signal in relation to light into an electrical signal; a microlens(45) corresponding to regions on the photodiodes and for focusing the light which is incident through a diaphragm(47) and a lens(46); and a planarized layer(42,44) formed at entire light receiving region including the photodiode region, the planarized layer including a first planarized layer and a second planarized layer having different deflection index from the first planarized layer.
Patent KR-20000042612-A (KR)
Title: Steel cord for the reinforcement of rubber
Inventor: LIM SEUNG HO
IPC: D07B1/16
Filed: 1998-12-26
Abstract: PURPOSE: A steel cord for the reinforcement of rubber is provided which has improved corrosion resistance since rubber is sufficiently charged into a core cavity to improve rubber-penetrating property and has improved durability since separation of adhesion interface between rubber and cord is prevented, due to an opened core cavity structure. CONSTITUTION: A steel cord for the reinforcement of rubber is composed of 1+n structure comprising a core wire coated with discontinuous rubber layers and a number of external element wires twisted around the core wire, characterized in that each of the external element wire is elastically contacted with the discontinuous rubber layers and neighboring element wires are spaced at regular intervals to open the core cavity part.
Patent KR-19990024258-A (KR)
Title: 완구용 분체 이도 도장장치
Filed: 1998-12-28
Abstract: 본 발명은 완구용 분체 이도 도장장치에 관한 것으로, 더욱 상세하게는 완구의 바퀴를 이루는 휠, 또는 핸들등 원형의 형태를 갖는 금속재 완구등 피도체의 외표면에 최소한 하나 이상의 색상을 갖도록 도색할 경우, 그 경계부, 즉 도색부와 미도색부의 경계 처리를 신속, 용이하게 하여 작업성 및 생산성을 향상시키고, 완구의 크기나 형태에 따라 다양한 차단판을 구비하여 용이하게 교체장착 하므로서 작업전환의 용이성과 범용사용이 가능하게 하며, 작업인원의 최소화를 기해 인건비의 절감 효과를 얻을수 있음과 아울러, 구조가 간단하여 장치제작에 소요되는 비용의 절감과 사용의 편리성을 구가할수 있게 한것에 그 특징이 있다.
Patent KR-19990067232-A (KR)
IPC: C12N7/01
Filed: 1996-10-22
Abstract: A method for reconstituting Sendai viral particles by transfecting Sendai virus to a host expressing all genes for the initial replication has been developed, enabling the production of negative strand RNA vectors highly useful for practical applications.
Patent KR-19990071678-A (KR)
Title: 전기모터의로터에샤프트를장착하는방법및장치
IPC: F16D1/08
Filed: 1997-09-26
Abstract: 전기 모터의 로터에 샤프트를 장착하는 방법 및 장치는, 실린더 블록(3) 및 로터(7)를 그사이에 정해진 축 공간 및 실린더 블록(3)의 베어링 보어 및 로터(7)의 중심 보어의 축으로 대기 압력보다 높은 압력에서 비활성 분위기를 갖는 밀폐형 챔버(10) 안쪽에 서로가 정렬되어 서로를 기준으로 위치 결정되는 단계 ; 베어링 보어 및 로터의 중심 보어를 통해 밀폐형 챔버(10)내의 냉동에 의해 직경방향으로 수축되는 샤프트(5)를 삽입하는 단계 ; 샤프트의 직경방향 열팽창이 로터(7)의 중심 보어의 벽에 상기 샤프트가 고정되게 일으킬 때까지 그리고 부품들 사이에 열평형이 달성될 때까지 고정화된 밀폐형 챔버(10)내에 샤프트(5)-실린더 블록(3)-로터(7) 조립품을 유지하는 단계를 포함한다.
Patent KR-20000064362-A (KR)
Title: 비료첨가제농축물에대한개선된조성물.
IPC: C05G3/90
Filed: 1996-12-10
Abstract: 본 발명은 N-알킬 티오포스포릭 트리아미드 요소분해효소 억제제 조성물에 대한 개선된 용매시스템에 관계한다.  이들 조성물은 저장, 운송을 위해 N-알킬 티오포스포릭 트리아미드의 안정한 농축용액의 제조를 가능하게 하며 고체 요소함유 비료에 함침과 액체 요소함유 비료조성물에 포함시킬 수 있게 한다.  이 조성물은 글리콜 및 글리콜 유도체에서 선택된 용매로 주로 구성된다.  글리콜 기초 용매에 추가적으로 조성물은 액체 아미드인 2-피롤리돈 또는 N-알킬 2-피롤리돈에서 선택된 공용매, 알킬아릴 폴리에테르 알콜에서 선택된 비이온 계면활성제를 포함할 수 있다.  공용매 또는 계면활성제의 존재는 조성물에 바람직한 성질을 부여한다.  N-알킬 티오포스포릭 트리아미드는 오랫동안 효과적인 요소분해효소의 활성 억제제로 알려져 왔지만 허용가능한 캐리어의 부족 때문에 상업적 사용이 억제되었다.  이들은 열적 및 가수분해에 의해 불안정하고 취급이 곤란하다.  본 용매 시스템의 사용은 다음과 같은 장점을 제공한다:  (1) 활성성분인 요소분해효소 억제제의 향상된 안정성;  (2) 탁월한 용해도 특성;  (3) 용매의 매우 낮은 화염성 및 독성;  (4) 액체 아미드 공용매의 첨가로 탁월한 저온저장 및 취급 특성;  (5) 고체 요소함유 비료상에 양호한 흡착성과 액체 요소함유 비료조성물과 탁월한 혼합성.
Patent KR-19990076728-A (KR)
Title: 전기통신 서비스 접속방법 및 장치
IPC: H04M3/533
Filed: 1996-12-18
Abstract: 본 발명은 전기통신 네트워크용 장치를 제어하도록 사용자 접속을 제공하는 것으로서, 전기통신 네트워크(102)용 구성장치(201)로의 통화가 인터넷 등의 제2 네트워크를 통해 제공되고, 사용자 단말(205)에서의 사용자 인터페이스를 나타내는 명령이 사용자 단말에 의해 실행되는 때에 상기 제2 네트워크에 의해 발생되며, 사용자는 구성 데이터를 공급하도록 요청받으면, 상기 제2 네트워크가 이 구성 데이터를 상기 구성 장치로 중계하는 것을 특징으로 한다.
Patent KR-19990082206-A (KR)
Title: 반도체 장치
IPC: H01L23/552
Filed: 1997-04-23
Abstract: 기판 상에 형성된 인덕터 도체를 포함하는 반도체 칩이 외부에 대해 끼치는 자기적 영향을 최소한으로 억제하는 것을 목적으로 한다. 기판(1) 상에 인덕터 도체를 포함하는 반도체 칩(2)을 실장하고, 그 실장위치 보다 외측에 복수개의 쓰루 홀(8)을 형성한다. 또한, 기판(1)의 칩 실장면측과, 그 반대 면측과, 쓰루 홀(8) 내부에 실드부재(4)를 형성하고, 이 실드부재(4)에 의해 기판(1)의 양면측에서부터 반도체 칩(2)을 피복한다. 이에 따라, 반도체 칩(2)에 형성된 회로에서 발생되는 자속은 실드부재(4)의 내부를 순환하게 되어 실드부재(4)의 외부로는 누출되지 않게 된다.
Patent KR-20000005562-A (KR)
Title: Heavy chain side-chained detergent
Inventor: CORNER DANIEL STEDMAN
IPC: C11D1/02
Filed: 1997-04-16
Abstract: PURPOSE: Alkyl sulfates have improved functions, improved solubility and detergent property compared to general soap detergent. Among them, offsetting linear alkyl sulfates (beef tallow alkyl sulfate) have been used as detergent for laundry. But they have considerable limits in detergent activity at lower washing temperature. CONSTITUTION: A cleaner detergent composition containing 5wt% or more(preferably about 20wt% or more) of a longer alkyl chained, intermediate chained or side-chained detergent compound in Formula 1, is stable and strong anhydrous liquid cleaner. In Formula 1, A is alkyl residue, B is hydrophilic group such as sulfate, sulfonate etc., and X is selected from -CH2- and -C(O)-.
Patent KR-20000051636-A (KR)
Inventor: LEE JIN WOOK
IPC: H01M2/02
Filed: 1999-01-25
Abstract: PURPOSE: A can of squire shape secondary battery is provided to solve problems of degradation for the battery characteristics by causing the pressure is concentrated and the current density is increased in a certain position due to the volume expansion when an electrode roll, which is wounded a positive electrode, a negative electrode, and a separator together, performs charge or discharge operation. CONSTITUTION: In a can of squire shape secondary battery, a wide(a) of a central part of a long axis direction in the consideration of cutting and seeing a can(40) in a horizontal direction is formed according to the electrode roll(2). The wide(a) of the central part is bigger 1¯1.2 times than a wide of the left or right side. And wide(a) of the central part is put under pressure uniformly as a whole the volume of the electrode roll is expanded by charging or discharging in the battery, since the wide(a) is uniformly stuck to the electrode roll put the inside of the can.
Patent KR-20000051821-A (KR)
Inventor: HIROSEKAZHIKO
IPC: A23L13/60
Filed: 1999-01-27
Abstract: PURPOSE: A sausage added of pressure and heat containing fibriform meat is for preventing the degradation of taste or the change of color in sausage during preservation. The sausage is possible to preserve at normal temperature for 6 months. CONSTITUTION: A sausage added of pressure and heat containing fibriform meat is produced by sealing the mixture of fibriform meat and paste containing soft meat in the container which is made of low-fat material passing oxygen gas in 0-200ml/m2;24hr; atm at 30°C and humidity 80%RH; adding heat in the condition of adding pressure for sterilizing. The mixture of fibriform meat is prepared by steaming the beaf or horse meat in 2-30mm length and 1-10mm diameter pickled with salt and making in the fiber form. The paste containing soft meat is prepared by mashing meat and pickling with salt and kneading.
Patent KR-20000055356-A (KR)
Inventor: CHO SEONG BUM
IPC: E04H13/00
Filed: 1999-02-05
Abstract: PURPOSE: A mound type circular bone powder laid gravestone is provided to smoothly let in and circulate the outside air in a sitting portion through a circulation unit having the same length. CONSTITUTION: An opening/closing stone door(32) is installed on one face of a sitting portion(2) to open/close the sitting portion after completing a ceiling part work. A latch(80) is installed on a front part of the opening/closing door to prevent the opening/closing stone door from being optionally opened. A preventive stone plate(50-2) is installed between a pillar stone(24) of the sitting portion and an entrance pillar stone(50-1) at the bottom of the opening/closing stone door. An entrance portion(36) where first, second and third supportive stone plates(36a,36b,36c) are installed in order is formed on the lower side of the preventive stone plate to smoothly enter the sitting portion.
Patent KR-19990072475-A (KR)
Title: 데이터판독장치및데이터판독방법
IPC: G11B27/36
Filed: 1999-02-08
Abstract: 데이터 처리 속도를 개선하기 위해 기록 매체로부터 데이터를 효율적으로 판독하도록 구성된 데이터 판독 장치 및 데이터 판독 방법이 개시된다.  판독 순서 제어 회로는, 광디스크로부터 제 1, 제 2, 제 3, 제 4 파일순으로 데이터가 판독될 때 소요되는 제 1 총 점프 시간과, 제 1, 제 3, 제 2, 제 4 파일순으로 데이터가 판독될 때 소요되는 제 2 총 점프 시간을 구한다.  판독 순서 제어 회로는 제 1 총 점프 시간이 제 2 총 점프 시간보다 긴지를 판단한다.  판독 순서 제어 회로는, 제 1 총 점프 시간이 제 2 총 점프 시간보다 길다고 판단하면, 광디스크로부터 제 1, 제 3, 제 2, 제 4 파일순으로 데이터를 판독하도록 광학 헤드를 제어한다.
Patent KR-20000055603-A (KR)
Inventor: LEE GI SANG
IPC: A01G23/02
Filed: 1999-02-08
Abstract: PURPOSE: An inequilateral triangle device for potted plants is for improving the quality of potted plants and reducing time and labor cost compared to existing ways to dig up the roots and plant again every 3-4 years. CONSTITUTION: An inequilateral triangle device for potted plants is made of FRP or recycled plastics by punching a 16mm hole on a plate of 60mm four sides and 5mm thickness if small size potted plants, a 25mm hole on a plate of 90mm four sides and 5mm thickness if middle size potted plants, and a 38mm hole on a plate of 120mm four sides and 5mm thickness if large size potted plants. The using processes of the device are: planting a young tree on the soil, putting the tree through the hole of the device and fixing the device on the ground; covering soil on the device for the roots to spread to all directions after 4 years when growing tree fills the hole.
Patent KR-20000059312-A (KR)
Title: Method for forming contact of semiconductor device
Inventor: JUNG YEONG SEOK
IPC: H01L21/28
Filed: 1999-03-02
Abstract: PURPOSE: A contact forming method of a semiconductor device is provided to obtain a film quality having a mass production and a reliability by using CVD-Al process and PVD-process. CONSTITUTION: An interlayer dielectric(12) having a contact hole(13) is formed on a semiconductor substrate. Pluralities of seed layers(14,15) are deposited on the interlayer dielectric and in the contact hole. A first metal film(16) is deposited on the seed films by using CVD(chemical vapor deposition) method so that the contact hole is not fully filled. A second metal film(17) is deposited on the first metal film by PVD(physical vapor deposition) method so that the contact hole is fully filled. The seed film is a Ti(14) and a Tin(15) deposited in this sequence by the PVD method. The first and second metal films are aluminum. A contact plug and an interconnection are formed at the same time by etching the second metal film, the first metal film, and the seed films in this sequence by using a mask pattern coating the contact hole. Thereby, a metal contact(18) is completed.
Patent KR-19990082722-A (KR)
Title: 윤활도료및이윤활도료가한쪽슬라이딩부재에적용된두개의슬라이딩부재를조합한슬라이딩구조물및그것을이용한슬라이딩받침장치
IPC: C08G59/66
Filed: 1999-03-11
Abstract: 에폭시수지, 경화제, 에폭시기(基)를 가진 반응성 실리콘오일 및 트리아진티올로 이루어진 수지조성물이 유기용제에 용해되어 이루어지는 열경화성 합성수지윤활피막 형성에 사용되는 윤활도료로서, 에폭시수지와 경화제의 합을 100중량부로 했을 때 에폭시기를 갖는 반응성 실리콘오일과 트리아진티올의 합이 2 내지 30중량부인 윤활도료.
Patent KR-20000060471-A (KR)
Title: Voice pager
Inventor: KIM SANG TAE
IPC: H04B5/04
Filed: 1999-03-16
Abstract: PURPOSE: A voice pager is provided for compressing, coding and transmitting a voice message of an opponent using a conventional paging system and reproducing the stored message if needed in a state that the message is stored in a memory of a dialing unit. CONSTITUTION: When an opponent dials a certain number of a voice pager and inputs a voice using a telephone(21), a public line switch telephone network(PSTN)(22) which receives the voice data judges the data as a signal for paging and is transferred to a controller(25) of a flux pager relay(24) through a modem(23) for thereby judging whether a voice signal is included in the signal. As a result of the judgement, if the voice signal is included, the data is converted into a digital voice signal and is transferred to a voice compression card(27) installed in a hub(26), and the digital voice signal is compressed and encoded. A controller(25) of the flex pager relay unit(24) which received the compressed, coded digital signal from the paging signal conversion card(28) transmits through the pager transmitter(29) based on the wireless method.