baber/WOPTO huggingface dataset:
Patent KR-20000053149-A (KR)
Title: Thermoelectric cooling system
Inventor: KITAGAWA HIROAKI
IPC: F25B43/04
Filed: 1997-11-07
Abstract: PURPOSE: A thermoelectric cooling system is provided to minimize the inclusion of the air bubbles which would recirculate within the coolant passages, to minimize the condensation which would result in formation of condensed liquid droplets around the tubings of the coolant passages, and for a thermoelectric refrigeration system of an increased heat efficiency which has a high safety factor and wherein piping can easily be accomplished. CONSTITUTION: Air reservoirs (37a, 37b) are installed on at least suction sides or discharge sides of circulating pumps (14a, 14b) which constitute a heat radiation cycle or a heat absorption cycle. The circulating pumps (14a, 14b) are installed in positions higher than heat radiating or cooling heat exchangers (10, 20) and first or second heat exchanging portions (26a, 26b), and circulating bubbles are reduced by recovering mixed bubbles, whereby the thermal efficiency is improved.
Patent KR-20000057143-A (KR)
Inventor: SHEITER THOMAS
IPC: G01L9/00
Filed: 1997-11-18
Abstract: PURPOSE: A method for manufacturing micromechanical functional elements is provided to prevent a pressure stress at a polysilicon layer. CONSTITUTION: A method for manufacturing micromechanical functional elements comprises a step of depositing a protecting layer(6) of an oxide or a nitride on a function element(4) made of polysilicon using a LPCVD(low pressure chemical vapor deposition) technology. In the method, the function element with a layer-shaped structure is previously fabricated. Both sides of the function element are partially etched to be exposed. The protecting layer has a thickness of 5nm-50nm and the protecting layer is deposited to cover the entire exposed area of the function element. In case the protecting layer is formed of a silicon nitride, the protecting layer has a thickness of 10nm-20nm.
Patent KR-20000069696-A (KR)
Title: 모발 염색 조성물
IPC: C09B/
Filed: 1997-12-09
Abstract: 하기를 함유하는 모발 염색 조성물: (a) (조성물 100 g 당) 약 0.0003 몰 내지 (조성물 100 g 당) 약 0.09 몰 미만의 무기 과산소 산화제; 및 (b) 산화성 모발 염색제; 상기에서 (a) 및 (b) 각각의 pH 는 약 1 내지 약 6 의 범위이며, (a)와 (b)가 결합된 혼합물은 약 1 내지 약 6 의 pH 범위를 갖는다.     생성물은 낮은 pH 에서 감소된 모발 손상과 함께 우수한 최초색 및 양호한 세척 고착성을 포함하는 우수한 모발 염색 및 사용 효능의 이점을 제공할 수 있다.
Patent KR-20000062365-A (KR)
Title: 에어백용 가스발생제
IPC: C06D5/06
Filed: 1997-12-22
Abstract: 본 발명은 함질소유기화합물로 이루어지는 연료성분과 산화제를 주성분으로 하고, 이것에 해당 연료성분 또는 산화제에 함유되어있는 금속성분과 반응하여 슬러그를 형성하는 금속질화물 또는 금속탄화물의 1종 이상을 첨가하여 이루어지는 것을 특징으로 하는 에어백용 가스발생제로 되고, 함질소유기화합물계 연료의 실용화상 문제가 되는 슬러그포집의 문제를 해결하고 또, 함질소유기화합물계 연료의 가스화율이 높다는 특성을 충분히 살려, 가스발생기의 소형화를 촉진하고 또, 무기물인 아지드화금속화합물에 비하여 문제가 있는 함질소유기화합물계 연료의 내열특성이나 성형성의 개선을 행하여, 강고(强固)하면서 경시적(經時的)으로 안정된 가스발생제 성형체를 제공한다.
Patent KR-20000075632-A (KR)
Title: 처리 시간의 제어를 통한 신호 처리 프로세서 및 이 프로세서의 제어 방법
IPC: G06F11/22
Filed: 1998-01-16
Abstract: 디지털 신호 프로세서(1)에 대해, 실시간 작동에서 처리 대상 디지털 신호의 주사 사이클 안에서 디지털 신호 프로세서의 연산을 종료할 수 있는 가능성을 제공한다.  또한 각 주사 사이클 시작 시점에서 0으로 설정되는 카운터(2)가 설치된다.  카운터 상태는 일정율로 증가 또는 감소한다.  주사 사이클의 작업 사이클 종료 시점에서 도달한 카운터 상태가 임계값을 초과하였는지 여부를 확인할 수 있다. 
     이로써 소프트웨어 또는 디지털 신호 프로세서의 하드웨어를 변경했을 때, 실제 사용 이전에 실시간 운행에서 계산 부하를 극복할 수 있는 지의 여부를 확인할 수 있다.
Patent KR-20000076410-A (KR)
IPC: G09C1/00
Filed: 1998-03-19
Abstract: A combined computer and decoder system for receiving broadcast digital data transmissions, characterised in that the decoder 2020 comprises a routing means 2032, broadcast digital data received at the decoder 2020 and destined for the computer 2027 being identified and routed to applications within the computer by said routing means. The computer 2027 may further include control means 2038 for controlling the configuration of the decoder, such as the selected channel frequency of the decoder. <IMAGE>
Patent KR-20010006229-A (KR)
Title: 저결함밀도 실리콘
IPC: C30B15/14
Filed: 1998-04-09
Abstract: 본 발명은  잉곳 또는 웨이퍼 형태에서,  덩어리진 진성 점결함이 거의 없는 축대칭 영역을 포함하는  단결정 실리콘과,  그 제조공정에 관한 것이다.    공정은  덩어리진 결함의 형성을 억제하기 위하여,  성장속도 (v), 순간 축방향 온도구배 (G 0 ) 및 냉각속도와 같은 성장조건을  실리콘 침투격자가 이동가능한 온도범위내에서 제어하는 것을 포함한다.    잉곳 형태에서,  축대칭 영역은  잉곳의 테두리 에지로부터 중심축 방향으로 반경방향으로 측정할 때에  잉곳의 반경 길이의 적어도 약 30% 인 폭을 갖는다.     이 축대칭 영역은  중심축을 따라 측정할 때에  잉곳의 일정 직경부분의 적어도 약 20% 인 길이를 갖는다.
Patent KR-20010014193-A (KR)
Inventor: PALUMBO GIANFRANCO
IPC: A61F13/15
Filed: 1998-06-26
Abstract: The present invention relates to a faecal management device for babies, children or adults to be attached to the perianal area of the wearer, said device providing improved anatomical fit and having optimum containment properties, i.e. being so configured as to avoid detachment of the bag when the bag contains faecal material, in a wide range of wearing conditions, including situations in which the wearer is not bedridden, but active. Claimed and described is a faecal management device (10) comprising a bag (11), said bag (11) having an aperture (21) and a flange (12) surrounding said aperture for adhesive attachment to perianal area of wearer, said bag (11) comprising at least two distinct portions: a wearer facing portion (16) containing said aperture and said flange, and a garment facing portion (17); said wearer facing portion (16) and said garment facing portion (17) being secured to one another at the periphery (18) of said bag (11), said garment facing portion (16) having a length (L), and a width (I), characterised in that said garment facing portion is configured such that said length to said width ratio is in the range of 1:0.7 to 0.7:1.
Patent KR-20010068597-A (KR)
Title: Diffusion device for manufacturing semiconductor
Inventor: KOO BYEONG SU
IPC: H01L21/22
Filed: 2000-01-07
Abstract: PURPOSE: A diffuser for manufacturing a semiconductor is provided to be capable of shortening work period and enhancing productivity as well as remarkably reducing fabrication costs and being simplified in its structure by positioning a susceptor for loading/unloading a wafer in a process position to perform a diffusion process without lifting the susceptor. CONSTITUTION: Wafer is loaded and unloaded to/from a susceptor(32) positioned within a chamber(30). A door(34) opened/closed for loading/unloading the wafer(W) on the susceptor(32) are equipped on one side of the chamber(30). The susceptor(32) is positioned in a process position within the chamber(30), and the door(34) is positioned in a position corresponding to the susceptor(32).
Patent KR-20010073432-A (KR)
Title: Ramyeon package with reusing jagged tape
Inventor: CWON HYUN OAK
IPC: B65D30/00
Filed: 2000-01-14
Abstract: PURPOSE: A noodle packing sheet containing a reusable unevenness tape is provided to reuse a packing paper after drawing out contents while opening the packing paper of normal noodle. CONSTITUTION: A perforated line(1c) and unevenness tapes(1a,1b) are mounted a lower end(1) of a compressed portion(2) of a packing paper. The perforated line and the unevenness tape are composed of synthetic resin material to use in pressurizing and chemical attaching according to packing material. Moreover, the perforated line and the unevenness are molding form of a body injected molded at the same time. The gap between the perforated line and the unevenness tape is formed as V_cut shape to easily cut the perforated line. The perforated line contains a perforated opening unit to conveniently catch in cutting. A noodle packing paper contains the perforated line and the unevenness attaching tape to cut without additional force. Moreover, the noodle packing paper is reused to reduce consumption of a plastic bag.
Patent KR-20000030148-A (KR)
Inventor: KIM YONG BEOM
IPC: G01H17/00
Filed: 2000-01-20
Abstract: PURPOSE: A method is provided to detect a shock position of a loose part inside a processing equipment through a signal analysis of a shock signal when the shock is added to an inner wall of the processing equipment by generating the loose part inside the processing equipment such as a power station. CONSTITUTION: A method is a method to section a point of arriving time for each frequency of a bending wave using a Wigner-Ville Distribution Function. That is, a shock position of the loose part inside the processing equipment is exactly` detected by paying attention to a different characteristic of a transmitting speed according to a frequency when a bending wave generated by a shock of a loose part is transmitted according to an outer wall of a processing equipment. When the shock position of the loose part is exactly detected, a location of the loose part is exactly detected. Thereby operations such as an inspection and an examination for removing the loose part are performed without a trial and error and the bombed amount of radioactivity of a worker in the power station of radioactivity is minimized.
Patent KR-20010076599-A (KR)
Title: A cellular phone with hands-free system
Inventor: LEE IN SOO
IPC: H04B1/40
Filed: 2000-01-27
Abstract: PURPOSE: A hands-free system integrated with a cellular phone is provided to enable a user to use a free phone without a separate unit by an optical transmitting unit installed on a hands-free base. CONSTITUTION: When a call signal is transmitted, an optical semiconductor of optical transmitting unit(200-1) on a cellular phone(200) is operated and an optical signal corresponding to the call signal is sent to an optical transmitting unit(300-1) installed on a side of hands-free(300). The optical transmitting unit(300-1) on the hands-free(300) outputs a signal the optical signal to a signal modulating/demodulating device(10), an auto terminating/originating part(70) and a data processing part(80), respectively. The signal modulating/demodulating device(10) modulates/demodulates a signal from/to a microphone(40) and a speaker(50) through an audio interface(20). An image interface(30) receives an image signal from the signal modulating/demodulating device(10) and outputs the image signal to a monitor(60) to form an image on the monitor(60).
Patent KR-20000053657-A (KR)
Inventor: ADACHI HIROSI
IPC: C08G14/10
Filed: 2000-01-28
Abstract: PURPOSE: A phenol & amino condensation resin is provided which shows excellence in heat-, water-, moisture-resistance, strength and hardness and can produce an epoxy composition. CONSTITUTION: A phenol & amino condensation resin is produced by reacting triazin derivative and aldehyde under phenol derivative and aldehyde condensate, whose number average molecular weight and weight average molecular weight are respectively 1.6-15. The epoxy composition contains the phenol & amino condensation resin, which is infiltrated in a sheet substrate to produce a prepreg and a laminated prepreg sheet, or a copper foil-clad laminated prepreg sheet.
Patent KR-20010076965-A (KR)
Title: Apparatus of separating food dregs for sink
Inventor: CHO SONG JUN
IPC: E03C1/266
Filed: 2000-01-29
Abstract: PURPOSE: A separating device of food dregs for a sink is provided to easily dehydrate moisture in the food dregs and to separate and discharge the dehydrated food dregs. CONSTITUTION: A casing(10) comprises a combining pipe(11) for combining with a U-trap, a sludge discharging pipe(12) and an insertion guiding pipe(13) having an insertion space(14). A rotating receiving tub(30) is supported by inserting inside the insertion guiding pipe(13) and contains a water discharging pipe(22), transferring blades(32), many discharging holes(31) and a shattering blade(40). A supporting container(20) accepts and supports the rotating receiving tub(30), contains a water discharging space(21), supports and fixes a supporting container(20) inside the casing(10). A sludge discharging space(15) is arranged between the supporting container(20) and the casing(10).
Patent KR-20010077155-A (KR)
Title: Sandwitch pre-cast block manufacturing apparatus for construction and method thereon
Inventor: WOO JONG TAE
IPC: B28B1/16
Filed: 2000-01-31
Abstract: PURPOSE: Disclosed are an apparatus and method for manufacturing sandwich pre-cast block for construction to gain pre-cast block having economical efficiency easily without separate interior and exterior material sticking work in constructing by mixing various instructive materials for human body and forming interior and exterior material. CONSTITUTION: The method for manufacturing sandwich pre-cast block for construction comprises first step to make interior material, exterior material and insulation material separately by mixing mixture; second step to inject interior material, exterior material and insulation material of the first step into three-stage shape frame being composed of interior/exterior material frame(122,124) and insulation material frame(126); third step to remove moving partition(130) to cut off penetrated part between interior/exterior material frame(122,124) and insulation material frame(126), to pressurize shape frame(120) inside with press; fourth step to pick out pre-cast block by separating the shape frame(120) from pre-cast block; fifth step to dry pre-cast block with steam pressure; sixth step to complete product by natural drying pre-cast block.
Patent KR-20010000079-A (KR)
Inventor: LEE DAE SEOP
IPC: G07F7/08
Filed: 2000-02-01
Abstract: PURPOSE: A device for identifying age by certificate of residence card is provided to compare a certificate of residence card's reflection and penetration rates by placing an optical sensor on top of the card and examining the card's reflection and penetration rates. CONSTITUTION: A device for identifying age by certificate of residence card is composed of insertion, examination, and determination. A certificate of residence card is inserted into a guide(1) and an identification medium(6) optically reads the birthday that is displayed on the card. A visible rays LED and sensor(7), an infrared rays LED and sensor(8), an ultraviolet rays LED and sensor(9), and a visible rays penetration sensor(10) are used to optically determine the card's authenticity. An identification medium(11) determines whether the numerical parts of the card are copied or printed, and the pieces of paper are attached to the card.
Patent KR-20000057877-A (KR)
Inventor: POLLANKA RINALDO
IPC: A47J43/07
Filed: 2000-02-02
Abstract: PURPOSE: A safety system that avoids using a cup of an optional outside machinery for operating a cooking blender or a food processor and prevents users from operating the machine when a self-lid is wrongly lined up is provided. CONSTITUTION: In the system basically comprising a cup(1) having a trapezoidal rug(8) and a lid(6), the rug(8) activates an activating portion(7) to move a contacting pin to the inside of a unity-type groove, so the machine works when the lid(6) is locked on the cup(1) by acting on an electric motor safety switch in a main body of the machine and a release of the machine and a stop of an operation afterward are performed by a button(4). The button(4) is positioned on a handle(2) of the cup(1) and acts on a lock(5) in activation and the lid(6) is released to be rotated by the users at the same time of the activation of the button(4).
Patent KR-20010082783-A (KR)
Title: method of multi-testing semiconductor device
Inventor: KIM GI YEOL
IPC: H01L21/66
Filed: 2000-02-10
Abstract: PURPOSE: A multi-testing method of semiconductor devices is provided which simultaneously multi-tests many devices with one source and meter to shorten a period of time required for the testing. CONSTITUTION: Multi-testing of semiconductor devices is performed in a manner that multiple input signals are converted into multi-tone to be applied to semiconductor devices(10,11,12) through a single source(1a), and output signals of the semiconductor devices are combined and separated through a single meter(3). The multi-tone is generated through software processing. The multi-tone passes through a low pass filter and band pass filter to be input to corresponding semiconductor devices.
Patent KR-20010081764-A (KR)
Title: Surface type antenna and electronic communications device adopting the same
Inventor: HWANG UN BONG
IPC: H01Q13/26
Filed: 2000-02-18
Abstract: PURPOSE: A structure of surface antenna and a communication device of the same are provided to improve a transmitting/receiving performance and minimize a size by inserting a surface-shape antenna into a communication device. CONSTITUTION: An outer surface plate(1) plays a part of a radar dom of an antenna. A radiation layer(2) and a dielectric layer(3) transmit or receive an RF(radio frequency) signal. A grounding layer(4) performs a grounding. A core layer(5) transmits an RF signal radiated inside the antenna. An inner surface plate(6) transmits the RF signal to an absorption layer(7). The absorption layer(7) absorbs the RF signal transmitted through the core layer(5) and the inner surface plate(6), and decreases the RF signal. An antenna feed(8) connects the antenna with an electronic circuit in a communication device.
Patent KR-20000036258-A (KR)
Title: Blasting a method of underwater base rock
Inventor: LEE DONG JEONG
IPC: E21C37/14
Filed: 2000-02-25
Abstract: PURPOSE: A blasting method of underwater rock bed is provided to promote safety of workers by performing blast of underwater rock bed safely and ideally by charging gunpowder uprightly and preventing displacement from charged position. CONSTITUTION: A hole is punched on underwater rock bed by using a bit(43) of a puncher(40). The hollow state of the hole is kept by driving a synthetic resin pipe to have its upper end exposed onto sand via a casing(42) of the puncher. Gunpowder and sand bags are charged in the synthetic resin pipe alternately. A detonating fuse of the gunpowder is connected to a detonator wire withdrawn from a barge(10). The charged gunpowder is exploded by a blasting switch. Thereby underwater rock bed is blasted. By installing gunpowder and sand bags alternately, the displacement of the gunpowder from the hole of the solid foundation due to buoyancy of water. Thereby blasting is performed safely and accurately.
Patent KR-20010087897-A (KR)
Title: Apparatus for preventing slip phenomenon during rapid thermal process of process chamber in semiconductor fabrication line
Inventor: KIM JIN JU
IPC: H01L21/324
Filed: 2000-03-09
Abstract: PURPOSE: An apparatus for preventing a slip phenomenon in a heat treatment process of a process chamber is provided to prevent the slip phenomenon caused by a temperature difference in an edge portion of a wafer, by disposing a guard ring compensating for the temperature in the edge portion of the wafer in a straight line with the wafer. CONSTITUTION: A guard ring(20) has a gap preventing damage caused by varying surroundings such as temperature, and compensates for the temperature of an edge portion of a wafer(8) in a heat treatment process of a process chamber. A wafer transfer member(30) has a settling part in contact with the wafer and a connection part having a width capable of passing through the gap of the guard ring. The connection part is formed as one body with the settling part. The wafer transfer member transfers to the gap of the guard ring when the wafer is charged, and makes the wafer disposed in a straight line with the guard ring.
Patent KR-20010091289-A (KR)
Title: An automatic control device and system of digital rectifier in cathodic protection system
Inventor: LEE BYEONG GYUN
IPC: G05B19/042
Filed: 2000-03-14
Abstract: PURPOSE: An automatic control apparatus and a system of a digital rectifier for an electric protection are provided to prevent an environmental pollution caused by a corrosion and to increase the life time of underground pipe arrangement by applying the automatic control apparatus and the system of the digital rectifier for the electric protection to various underground pipe arrangements. CONSTITUTION: An automatic controller(200) supplies power through a cable connected to a pipe(100). A driving unit(300) operates the automatic controller(200) and shows the operating state of the automatic controller(200). An output value of current and voltage supplied to the pipe(100) is inputted to a current/voltage detecting unit, which detects it. An A/D converting unit(220) converts an analog signal which is the detecting value of current and voltage inputted to the current/voltage detecting unit into a digital signal. The signal output from the A/D converting unit(220) is inputted into a digital logic control unit(230), which controls logically the input signal. The output signal of the digital logic control unit(230) is inputted into A current/voltage output unit(240), which supplies the current and voltage to the pipe(100) and an anode(A). The signal from the digital logic control unit(230) is inputted A central processing unit(250), which controls the current and voltage in order to prevent corrosion. A program storing unit(260) stores a program for controlling a protective current and a protective potential. A data storing unit(270) stores the value of the protective current and protective potential. A power supplying unit(280) supplies power which is necessary to each module. A communication unit(290) monitors remotely the operation of the rectifier.
Patent KR-20010097069-A (KR)
Inventor: PARK YOUNG KU
Filed: 2000-04-19
Abstract: 본 발명은 금형을 사용하여 생산하게 될 제품과 동일한 표면 형상을 갖는 모형의 표면부를 용사 복제하여 금형을 제조하는 방법에 관한 것이다. 본 발명에 의한 금형의 제조방법은, 금형을 사용하여 제조하게 될 최종 제품의 형상과 동일한 모형을 준비하는 단계(제10단계)와, 모형 상에 적당한 금형재료를 용사하여 금형의 표면 형상을 0.5-50mm 두께로 복제하는 단계(제20단계)와, 충진하기 전에 용사층의 뒷면에 금형의 온도를 정밀하게 제어할 수 있도록 냉각용 동관과 예열용 전열선 및 온도 측정용 열전대를 매몰 설치하는 단계(제30단계)와, 상기 용사층에 금형재료보다 값이 싸거나 가벼운 적당한 충진용 금속 분말을 충진하고 소결하는 단계(제40단계) 또는 상기 용사층에 적당한 충진용 합금을 용해 주조하여 금형을 제조하는 단계(제50단계)를 포함한다. 충진이 완료되고 모형과 용사층을 분리하면(제60단계) 금형이 완성된다. 상기한 방법으로 구성된 본 발명에 의하면, 연삭이나 방전가공공정이 아닌 용사 공정으로 금형을 제조하므로 생산비와 생산기간을 단축할 수 있으며 단품 생산방식인 금형의 제조 공정을 단순화시킬 수 있는 이점이 있다. 또한 모형은 완성품을 직접 사용하거나 쾌삭 성형 용이한 재료를 사용하여 간단히 제조 가능하다. 용사 방법에 의하면 난연삭, 고내마모성인 재료를 사용하여 금형을 제조 가능하므로 표면 열처리 공정이 불필요하며 정밀하게 온도제어 가능한 기능성 금형을 제조할 수 있다.
Patent KR-20000049652-A (KR)
Inventor: CHO SEUNG YEON
IPC: B01D71/42
Filed: 2000-04-20
Abstract: PURPOSE: A cation exchange fiber filter is provided which filters and collects heavy metal, organic matters and radionuclide in air by ion exchanging. CONSTITUTION: A method for preparing cation exchange fiber filter comprises: treating poly acrylonitrile fiber with hydrazine hydrate; treating with sodium hydroxide; and heat-treating at 50-100°C. The produced ion exchange fiber filter has the surface area for ion exchange of 100 or more times than the area of the conventional resin filter.
Patent KR-20010102615-A (KR)
Inventor: JEONG BYUNG UK
Filed: 2000-05-02
Abstract: 본 발명은 트럭의 피동륜 승강장치와 방법에 관한 것으로, 피동륜 승강장치는 압축공기공급부와 승강작동부로 구성되는데, 압축공기공급부는 에어탱크(1)와 제어밸브(3), 배기밸브(4) 및 압축공기공급호스(2)로 구성되며, 승강작동부는 지지프레임(7), 보조프레임(8), 연결프레임(9) 그리고 에어스프링(5)으로 구성된다. 
     에어탱크(1)에서 토출된 압축공기가 제어밸브(3)의 조작으로 에어스프링(5)에 공급되면 에어스프링(5)이 팽창하게 되고 에어스프링(5) 상부에 결합된 연결프레임(9)이 상승함에 따라 차동장치 케이스(10)와 피동륜(15)이 지면에서 상승하게 된다. 한편 배기밸브(4)를 조작하여 에어스프링(5)에서 압축공기를 배기하면 에어스프링(5)이 수축하게 되고 에어스프링 상부에 결합된 연결프레임(9)이 하강함에 따라 피동륜(15)이 하강하여 지면에 닿게 된다. 
     본 발명에 의한 피동륜 승강장치를 장착한 트럭은 화물차량의 공차시에는 피동륜을 상승시켜 피동륜에서 발생하는 구름저항과 마찰저항 및 소음이 제거되어 연비가 향상되고 소음이 감소할 뿐만 아니라 공차시에는 물론 화물적재시에도 에어스프링이 쿠션효과와 쇼크 업소버 효과를 제공하므로 승차감이 뛰어나다.
Patent KR-20010103858-A (KR)
Inventor: HWANG SUN WON
Filed: 2000-05-08
Abstract: 본 발명은 질화물 반도체 발광소자에 관한 것으로서, 특히 발광소자의 활성층에 도우너와 억셉터 불순물을 순차적으로 도핑시켜 활성층의 내부에 전자 및 정공이 국소적으로 한정된 층을 형성하여 발광결합 효율을 증가시킬 수 있는 질화물 반도체 발광소자에 관한 것이다. 
     본 발명에 따른 질화물 반도체 발광소자는 기판 상에 n형 접촉층, n형 클래드층, 활성층, p형 클래드층 및 p형 접촉층이 순차적으로 형성되어 이루어지는 질화물 반도체 단파장 발광소자에 있어서, 상기 활성층을 불순물 층별 주입방법을 도입하여 내부에 p형 및 n형 불순물층이 교대로 적층된 pn 다층구조를 갖도록 형성된 것을 특징으로 한다. 
     따라서, 활성층에 pn 다층구조를 갖도록 도우너와 억셉터 불순물을 순차적으로 도핑하여 질화물 반도체 발광소자의 발광결합 효율을 증가시킬 수 있어, 동일한 인가전력의 조건하에서 보다 높은 휘도를 구현하는 소자를 제작할 수 있는 이점이 있다.
Patent KR-20010107039-A (KR)
Title: 인터넷을 이용한 싸이버 경마 및 경륜의 운용방법
Inventor: KIM JEONG HYEON
Filed: 2000-05-24
Abstract: 본 발명은 특히 그래픽으로 제작된 싸이버 경마 혹은 경륜캐릭터에 인공지능을 부여하여 시간과 장소에 불문하고 인터넷 전송망을 통해 싸이버 경기의 중계와 구매권의 발매 및 구매 그리고 발매대금 및 배당금의 자동이체기능이 구현되도록 함으로 싸이버 스포츠 인구의 저변확대는 물론 보다 안전하면서도 편리하게 경마와 경륜을 즐길 수 있도록 배려된 레저용 싸이버 스포츠의 운용방법에 관한 것인데, 이를 위하여 본 발명은 그래픽으로 제작되어 인공지능을 부여받은 싸이버 경주마 및 경륜선수의 소개 그리고 전자포인트 배당금표시를 인터넷으로 실시간 중계함과; 상기 중계된 내용에 따라 이용자가 구매표의 표시(마크)를 인터넷의 웹브라우저를 통해 투표하며, 이러한 투표자의 구매정보를 사업자의 메인 서버에 보관 및 기록되게 함과; 및 상기 중계된 싸이버 경기의 결과에 따라 투표자의 구매전자포인트 및 배당포인트를 누적하여 일정한 포인트에 도달한 투표자에게 상금 및 상품을 포상함을 특징으로 하는 것이다.