baber/WOPTO huggingface dataset:
Patent KR-20040049890-A (KR)
Title: Fabrication method of thin film capacitor
Inventor: KO GWAN JU
IPC: H01L21/8242
Filed: 2002-12-05
Abstract: PURPOSE: A method for fabricating a thin film capacitor is provided to prevent the first polycrystalline silicon layer from being exposed to plasma and avoid a pitting in the first polycrystalline silicon layer by etching the second oxide layer and a nitride layer and leaving the first oxide layer on the first polycrystalline silicon layer when an ONO layer constituting an insulation layer of a thin film capacitor of a PIP(polycrystalline silicon/insulator/polycrystalline silicon) structure is dry-etched. CONSTITUTION: A gate oxide layer(12), the first polycrystalline silicon layer(13), the first oxide layer(14), a nitride layer(15), the second oxide layer(16) and the second polycrystalline silicon layer(17) are sequentially formed on a semiconductor substrate(11). The second polycrystalline silicon layer, the second oxide layer and the nitride layer are selectively dry-etched to be left by a predetermined width. The exposed first polycrystalline silicon layer is wet-etched to be left by the same width as the nitride layer. The first polycrystalline silicon layer is selectively etched.
Patent KR-20040050389-A (KR)
Title: Cooling and Heating Device Using Hydrogen Storage Alloys
Inventor: CHA GANG UK
IPC: F25B17/12
Filed: 2002-12-10
Abstract: PURPOSE: A cooling and heating apparatus using hydrogen storage alloys is provided to prevent heat exchange through a switch plate in the middle of cooling and heating operations, thereby preventing heat loss of air and preventing the efficiency of heat exchange from lowering. CONSTITUTION: A housing(10) includes air intake passages(11,12) for sucking air from the outside, an indoor side exhaust passage(13) guiding heat-exchanged air into a room, and an outdoor side exhaust passage(14) guiding heat-exchanged air into the outside. A pair of reactors(20,25) are installed opposite to the air intake passage, being filled with a hydrogen storage alloy inside. A switch plate(43) is rotatively installed between the reactors for dividing air passing through the reactors into the indoor side exhaust passage and the outdoor side exhaust passage. The switch plate has a vacuum heat insulation layer(44) inside. A rotating element(41) rotates the switch plate within a predetermined angle range. Indoor side and outdoor side ventilating fans forcibly absorb the external air for forcibly sending the air to the indoor side exhaust passage and the outdoor side exhaust passage through the reactors. A plurality of hydrogen passage pipes(50) are connected with the reactors, wherein hydrogen flows inside. A pumping unit is connected with the hydrogen passage pipes for generating sending power forcibly sending hydrogen from one reactor to the other reactor. A direction control(70) is installed in each hydrogen passage pipe for controlling a sending direction of the hydrogen.
Patent KR-20040050579-A (KR)
Inventor: CHA HEO YOUNG
IPC: A61L9/12
Filed: 2002-12-10
Abstract: PURPOSE: An automatic aromatic spraying device is provided to equally spread out fragrance, to prevent the fragrance from naturally emitting, and to refill an undiluted solution for the natural fragrance emission, thereby enabling the maintenance or repairing fees lower. CONSTITUTION: The automatic aromatic spraying device comprises a container(10) with an opened upper side for containing an aromatic(2); a fan housing(2) covering the upper side of the container(10) with a sucking hole(22) on the lower side for intaking the fragrance of the aromatic(2) stored in the container(10) and an outlet hole(24) on one side; a ventilation fan(40) formed in the fan housing(20) and driven by a driving motor(30); and a timer(50) connected to the driving motor(30) for rotating the driving motor(30) at regular time.
Patent KR-20040055197-A (KR)
Title: Method for forming a pattern of conductive metal using organometallic compounds
Inventor: HWANG JIN TAEK
IPC: H01L21/027
Filed: 2002-12-20
Abstract: PURPOSE: A method for forming a pattern of conductive metal interconnection by using an organometallic compound is provided to form metal pattern having an improved adhesion to a substrate, a conductivity characteristic and surface roughness by treating the organometallic compound with light or heat to form a pattern and by thermo-compressing the pattern. CONSTITUTION: A predetermined pattern is formed on a substrate by a composition with an organometallic compound, electromagnetic wave or heat. The pattern is oxidized, deoxidized or heat-treated to form an interconnection pattern composed of a metal or a metal oxide. The interconnection pattern is thermo-compressed.
Patent KR-20040057644-A (KR)
Inventor: YOO JE HYEON
IPC: H01L21/28
Filed: 2002-12-26
Abstract: PURPOSE: A method for forming a storage node contact of a semiconductor device is provided to effectively prevent short between the storage node contacts by using Ar sputtering. CONSTITUTION: An interlayer dielectric(22) is formed on a semiconductor substrate(21) with a desired lower layer. A contact hole(23) is formed to expose the desired lower layer by selectively etching the interlayer dielectric. A storage node contact(25a) is formed by filling a polysilicon layer in the contact hole and etch-back of the polysilicon layer to expose the interlayer dielectric. The surface of the polysilicon layer is etched by Ar sputtering.
Patent KR-20030031876-A (KR)
Title: Method for preparing methyl methacrylate resin containing photochromic compound and MMA resin forms using the same
Inventor: LIM JONG SUN
IPC: C08F220/18
Filed: 2002-12-27
Abstract: PURPOSE: A method for preparing a methyl methacrylate resin containing a photochromic compound and a resin molded product using the resin are provided, to enable the photochromic compound to be infiltrated into the resin uniformly and to improve the concentration of color and the color change velocity. CONSTITUTION: The method comprises the steps of adding 0.01-0.02 parts by weight of an organic acid and 0.1-1 parts by weight of a photochromic compound to a solvent mixture consisting of 100 parts by weight of methyl methacrylate with a boiling point of 60-100 deg.C, 0.1-5 parts by weight of n-hexane, 5-15 parts by weight of an UV screening agent, 0.1-5 parts by weight of trichloroethane and 0.1-5 parts by weight of methylisobutyl ketone, and polymerizing the mixture at a temperature of 70-90 deg.C for 20-40 min; adding 0.1-5 parts by weight of a curing agent to the obtained one and curing it in water of about 50 deg.C for 3-4 hours; treating the cured one with the steam of about 100 deg.C for 30-35 hours; and coating the treated one with a coating agent at about 75 deg.C for 10-15 sec. Preferably the photochromic compound is naphtopyrane-based compound; and the organic acid is at least one selected from the group consisting of HNO3, HCl and H2SO4.
Patent KR-20040061225-A (KR)
Title: Multimedia message service method and system
Inventor: KIM HYEON HO
IPC: H04W4/12
Filed: 2002-12-30
Abstract: PURPOSE: A multimedia message service method and a system thereof are provided to offer service independently from an MMS proxy/relay server of a mobile communication network provider by easily creating a multimedia message of an advertisement type or an information sharing type. CONSTITUTION: A multimedia message is created based on client information and stored in a message storing unit. A transmission request message and corresponding client information are transmitted to an SMS transmission module by using SMTP or MMPP. The SMS transmission module transmits a notification message(M-Notification.ind) to an SMSC(131) of a mobile communication network by using SMPP(Short Message Peer-to-peer Protocol). The SMSC attempts a call connection by using a mobile phone number of a corresponding client, and when a call is connected, the SMSC transmits a notification message notifying that there is a multimedia message to a receiver terminal(120). When the client checks the notification message with the receiver terminal(120) and selects a specific key for downloading the multimedia message, the receiver terminal(120) is connected to a Web server through a wireless gateway(132) to request downloading of the multimedia message. The Web server transmits the corresponding multimedia message to the receiver terminal(120) through the wireless gateway(132). The receiver terminal(120) transmits a response message(M-Acknowledge.ind) informing of successful reception of the message to the Web server.
Patent KR-20040060458-A (KR)
Title: Apparatus and method for asking after elderly people in mobile communication terminal
Inventor: BAEK CHANG HYEON
IPC: H04M11/00
Filed: 2002-12-30
Abstract: PURPOSE: A system and a method for confirming an old person's safety in a mobile terminal is provided to install a motion detection sensor in a mobile terminal and to make a phone call to a preset phone number when any motion is not detected for hours. CONSTITUTION: A system for confirming an old person's safety in a mobile terminal consists of a motion detection sensor(11), a sensor driving part(12), a terminal modem(13), and a radio communication part(14). The motion detection sensor(11) detects the motion of a peripheral object. The sensor driving part(12) drives the motion detection sensor(11) and executes motion detection. The terminal modem(13) periodically operates the sensor driving part(12), processes a delivered motion detection signal, judges a motion, and determines whether a call is to be made to a preset phone number. The radio communication part(14) provides a radio channel of mobile communication to the terminal modem(13).
Patent KR-20020019563-A (KR)
IPC: H04N7/081
Filed: 2001-05-02
Abstract: 의심되는 신호내의 워터마크를 검출하기 위한 방법 및 장치가 개시되어 있다. 일반적으로, 워터마크는 워터마크 패턴(w)을 주어진 내장 강도(s)를 갖는 신호(p)에 부가함으로서 내장된다("부가적인 내장":q=p+sw). 내장된 워터마크는 그 후에 의심되는 신호와 상관(2, 3)함으로써 검출된다. 최근에는, "증배적인 내장"이 제안되었다[q=p(1+sw)]. 본 발명에 따라서, 증배적으로 내장된 워터마크들은 그것들을 워터마크들과 상관하기 전에 신호를 파워(β)로 상승시킴으로써 검출된다. 파워(β)는 고정될 수도 있고(예를 들면, β=2) 또는 신호의 통계적인 분석(5)으로부터 구해질 수도 있다.
Patent KR-20020040760-A (KR)
Title: Polymerisation method
IPC: H01L51/50
Filed: 2000-07-24
Abstract: A method for making a polymer or oligomer comprising the steps of making a first monomer comprising a substituted aromatic or heteroaromatic group by providing an aromatic or heteroaromatic group substituted with first and second director groups, performing metalisation at a first position on the aromatic or heteroaromatic group, performing electrophilic substitution so as to provide a first substituent group at the first position, and contacting in a reaction mixture the first monomer with at least two further monomers that independently are the same or different from the first monomer under conditions so as to form a polymer or oligomer, wherein the nature and positions of the first and second director groups regioselect the first position.
Patent KR-20020067931-A (KR)
Title: Freshness preserving gadget
IPC: B65D81/28
Filed: 2001-01-10
Abstract: Two sheets of film element (4) are used to sandwich an adsorbing body (2) vertically to bond the two film elements (4) to the upper and lower surfaces of the adsorbing body (2). Skirt sections (4A) extending sidewise from the adsorbing body (2) are formed at the outer edge sides of respective film elements (4) to form vaporizing openings (8) between respective skirt sections (4A). A freshness preserving liquid impregnated in the adsorbing body (2) is gradually vaporized from the respective side surfaces (2A) of the adsorbing body (2) to the outside via the vaporizing openings (8), whereby it is possible to prevent the adsorbing body (2) of the freshness preserving gadget (1) from directly touching foods and preserve the freshness of foods constantly over an extended period.
Patent KR-20020084118-A (KR)
Title: 보호 코팅부를 구비한 금속 스트립 제조장치
IPC: C23C2/40
Filed: 2001-12-07
Abstract: 본 발명은 연속 라인의 전후에 위치된 일련의 처리 구역들을 포함하며, 보호층을 구비한 금속 밴드를 제조하기 위한 설비에 관한 것으로, 상기 설비는 전기 도금 구역(B)과 페인트 구역(C)으로 이루어진 2개의 코팅 구역을 포함하고, 여기서, 상기 밴드 냉각 또는 건조 수단과 결합된 수직부(41, 64)를 갖는 진행 통로(4, 6)를 따라 이동하며, 상기 전체 설비는 단일 건조물 내에 위치될 수 있고, 상기 단일 건조물은 상기 2개의 코팅 구역들(B, C)이 제공되는 인접 구역을 구비한 중앙 타우어와, 수평 어큐므레이터(3, 7)와 함께 공급 구역(A) 및 출구 구역(D)이 설치되는 보다 작은 높이의 2개의 홀을 포함한다.
Patent KR-20020084189-A (KR)
Title: 반도체 기판 세정제 및 세정 방법
IPC: C11D7/34
Filed: 2001-03-19
Abstract: 본 발명은 비공유 전자쌍을 갖는 질소 원자를 분자 중에 지니는 화합물을 포함하여 이루어지는, 표면에 구리 배선이 형성된 반도체 표면용 세정제 및 그 세정제로, 표면에 Cu 배선이 형성된 반도체 표면을 처리하는 것을 특징으로 하는 반도체 표면의 세정 방법을 개시한다. 
     본 발명에 따른 세정제는 표면에 Cu 배선이 형성된 반도체에 있어서의, Cu 배선(Cu 박막), 층간 절연막인 SiO 2 를 부식시키지 않고, 나아가서는 표면의 평탄도를 손상시키지 않고서, Cu-CMP 공정에서 부착된 반도체 표면의 CuO 및 파티클을 제거하는 데에 유효하다.
Patent KR-20030019345-A (KR)
Title: Chemically bound ceramic product, method for its production, tool to be used in execution of the method and interchangeable part on the tool
IPC: A61K6/876
Filed: 2001-04-09
Abstract: Raw compact (3) comprising a binding phase of one or more powdered binding agents, which raw compact has the capacity, following saturation with a liquid reacting with binding agents, to form a chemically bound ceramic material, and which raw compact preferably has a degree of compactness of 55-67 percent by volume solid phase. According to the invention, the raw compact (3) also comprises one or more expansion-compensating additives adapted to give the material dimensionally stable long-term properties. The invention also relates to a method of manufacture of the ceramic material, and a compaction device and a compaction body for compacting the saturated raw compacts.
Patent KR-20030010751-A (KR)
IPC: G06F11/14
Filed: 2001-06-21
Abstract: 파일 시스템에 있어서, 관리 영역과 실제 데이터 영역을 미리 분리해 두고, 관리 영역을 이중화함으로써 백업을 행하는 경우, 반대로 관리 영역 및 백업용 관리 영역을 미리 확보해 둘 필요가 있으므로, 관리 영역의 크기로부터 관리할 수 있는 최대 파일수의 제한이 정해지게 된다.  또한, 관리 영역과 데이터 영역이 같은 영역에 기록되어 가는 파일 시스템에 있어서, 관리 영역이라는 개념이 없으므로, 관리 영역마다 이중화하는 기법을 적용할 수 없다. 
     상기 기록 매체로의 파일의 추가, 변경, 삭제의 액션이 행해질 때마다, 당해 파일의 파일 식별자와 당해 파일의 기록 매체상의 기록 위치 정보 및 파일 액션 종류를 대응시킨 이력 정보를 순차 작성하여, 당해 이력 정보를 상기 파일 및 관리 정보의 기록 영역과는 다른 이력 테이블 영역에 이력 정보의 작성순으로 기록함으로써 과제를 해결한다.
Patent KR-20030034104-A (KR)
Title: Gas flow regulation system
IPC: G05D16/06
Filed: 2001-06-22
Abstract: A gas flow regulation module for use in a pressure vessel including a wall with an opening having a minimum opening diameter. The wall defines an interior space in the pressure vessel. The module includes a head portion, a neck portion, and a body portion. The body portion has a maximum diameter which is less than the minimum opening diameter, so that the body portion fits through the opening for positioning in the interior space. The gas flow regulation module includes a manual shut-off valve for controlling the flow of fluid through the module.
Patent KR-20040065802-A (KR)
Inventor: LEE JAE YONG
IPC: A63B24/00
Filed: 2003-01-16
Abstract: PURPOSE: An operation method of a treadmill is provided to run like running on a ground by synchronizing a belt transferring speed of a treadmill with a speed by which a user wants to run and improve an exercising effect. CONSTITUTION: The method for controlling a treadmill includes the steps of: inputting user's weight to a controlling unit; supplying current to a motor through AC power source unit, current rectifying unit, and a switching unit; feedbacking for detecting data of varied value of belt transferring speed from a speed detector and transferring the data to the controlling unit; reading the data by analyzing waveform of the varied value; storing a current value in present and revolving times of motor without variation of user's exercising value, and returning to the feedback step; predicting a moving speed by the read changed-speed value and the inputted weight data ; changing motor-rotated speed; blocking a power supply and finishing the treadmill by performing a power blocking unit; storing the current value and a motor-rotating times; and sequentially changing the motor-rotated speed according to the user's exercising value variation.
Patent KR-20040067317-A (KR)
Inventor: CHO IL WON
IPC: H04W4/12
Filed: 2003-01-22
Abstract: PURPOSE: A system and method for providing a short message history are provided to receive and store a short message that is or is not transferred to a mobile terminal and provide it to a subscriber upon request. CONSTITUTION: When an originator terminal creates and sends a short message(S101), an origination MSC(Mobile Switching Center) transmits it to an SMSC(Short Message Service Center)(S102). The SMSC extracts receiver information and requests an HLR(Home Location Register) to transmit a position of a corresponding receiver(S103). The HLR transmits receiver location information to the SMSC(S104). The SMSC receives the position information, confirms that the receiver is a short message history service subscriber, and transmits a short message to a destination MSC(S105). The destination MSC transmits the short message to the receiver and a corresponding response signal to the SMSC(S106). The SMSC transmits the transmission-completed short message to a short message history providing system(S107). The short message history providing system transmits a response signal to the SMSC in response to receipt of the short message(S108).
Patent KR-20040067665-A (KR)
Inventor: LEE CHEON MU
IPC: H04L12/12
Filed: 2003-01-24
Abstract: PURPOSE: A docking station of a portable computer is provided to switch the wire or the wireless LAN(Local Area Network) connection depending on a docking state between the portable computer and the docking station by additionally installing an AP(Access Point) in the docking station. CONSTITUTION: A LAN connector(60) receives a LAN signal(62). The AP(80) generates a wireless LAN signal connectable to the wireless LAN based on the LAN signal received from the LAN connector. A switch(70) transmits the LAN signal provided from the LAN connector to a wire LAN adaptor(20) installed to a main body(10) of the portable computer or the AP depending on the docking state between the portable computer and the docking station(50).
Patent KR-20040070841-A (KR)
Inventor: LEE HYEON GU
IPC: H01F27/33
Filed: 2003-02-04
Abstract: PURPOSE: A noise reduction transformer is provided to effectively reduce vibrations of high and low frequency bands transferred from a core and coil assembly to the outer case of the transformer. CONSTITUTION: A noise reduction transformer comprises an outer case(1); an assembly(7) of a core(3) and a coil(5) arranged in the outer case; an upper frame(9) coupled to the top of the core, and which tightens the upper portion of the core; a lower frame(11) coupled to the bottom of the core, and which tightens the lower portion of the core; and a first support and vibration reduction unit(13) interposed between both inner walls of the outer case and the upper frame, and which supports the assembly at the outer case and reduces vibrations transferred from the assembly to the outer case.
Patent KR-20040071920-A (KR)
Inventor: KIM NO SUN
IPC: H04B1/40
Filed: 2003-02-07
Abstract: PURPOSE: An apparatus and a method for automatically controlling a sound volume of a mobile terminal using an external amp are provided to allow a user to freely and conveniently control a speaker volume according to a usage environment of a mobile terminal. CONSTITUTION: A volume control signal is inputted through a keypad part in a standby state(301,302). The sound volume level of a speaker is set as 10 stages and the first stage to the fifth stage are determined as a threshold limit level(303). If the threshold limit level is not reached yet, an MSM modem chip connects a sound volume signal of an amplifier controlled by a PCM codec and outputs it to a speaker by controlling an analog switch unit with a switching control signal(304). Since a volume level in this case is lower than the threshold limit level, it is controlled from the first stage up to the fifth stage(305) and then outputted to the speaker(308).
Patent KR-20040073900-A (KR)
Inventor: YOON BYEONG SU
IPC: H01J29/48
Filed: 2003-02-15
Abstract: PURPOSE: An electron gun for CRT is provided to minimize the deformation of a bead support due to the heat generated at a heater by forming X groove and notch at the flat surface of the bead support. CONSTITUTION: An electron gun comprises three cathodes for emitting electron beams toward a phosphor screen; an eyelet(22) surrounding the cathodes; and a bead supporter(31) for fixing the eyelet to a bead glass. The bead supporter includes a coupling unit welded to the eyelet and a buried part. X shape groove(31-3) for absorbing thermal expansion is formed between the coupling unit and the buried part.
Patent KR-20030041880-A (KR)
Inventor: KIM BYEONG GIL
IPC: B29C44/20
Filed: 2003-02-24
Abstract: PURPOSE: A polyurethane foam molding apparatus is provided to prevent a raw material from being useless by removing an idle discharging process to save the material. CONSTITUTION: A polyurethane foam molding apparatus is composed of a head member(10) having a space therein, a first injection port(3) installed at one side of the head member(10), a second injection port(4) installed at the other side of the head member, and a screw member(20) rotatably contained in the head member. The head member has an inclined portion(15) tapered from one side to the other side in a sectional area. The first and second injection ports inject an isocyanate and polyol toward the head member, respectively. The screw member is installed in the head member to enable forward and backward motions. The screw has a tapered inclined portion to correspond to the inclined portion(15) of the head member(10).
Patent KR-20030029086-A (KR)
Inventor: PARK CHANG YOUNG
IPC: F16L55/02
Filed: 2003-03-08
Abstract: PURPOSE: A connection member for a drain pipe and manufacturing method thereof are provided to exclude and absorb sound trebly by forming a double synthetic resin layer and a nitrogen gas layer. CONSTITUTION: In a connection member(1) for a drain pipe, an outer body(2) is made of strong PVC, and has an air layer(3). An inner body(4) is made of soft PVC, and is formed at the inside of the outer body(2). A packing(5) is integrated with connecting pieces(4a) formed by a plurality of gates.
Patent KR-20030083576-A (KR)
Title: 적어도 실질적으로 금속성인 실린더 헤드 개스킷
IPC: F02F11/00
Filed: 2003-03-10
Abstract: 본 발명은 실린더 헤드 개스킷에 관한 것으로, 적어도 하나의 연소실 구멍을 가지며 적어도 2개의 시트 금속 층을 포함하는 개스킷 판이 구비되며, 상기 금속 층들 중 제 1 시트 금속 층은 그 높이에 있어 탄성적으로 변형 가능하고 상기 연소실 구멍을 둘러싸는 적어도 하나의 비드가 구비되며, 상기 금속 층들 중 제 2시트 금속 층은 상기 비드의 변형을 제한하고 상기 연소실 구멍을 둘러싸는 적어도 하나의 변형 제한 장치가 구비되며; 
     가능한 한 변형이 정밀하게 이루어지도록, 상기 최초의 제 2 시트 금속층은 유동 압출 성형에 의해 소성 변형 가능한 강판으로 형성되고, 상기 제 2 시트 금속 층의 평면도에 있어서 상기 변형 제한 장치는 산포된, 컵과 같은 함몰부들의 2차원 패턴을 형성하며, 유동 압출 성형에 의해 스탬핑된 함몰부들의 총 체적은 함몰부들의 스탬핑 작업 도중 배제된 제 2시트 금속 층의 재료에 의해 형성된 융기부들의 총 체적과 근사적으로 동일하다.
Patent KR-20040082484-A (KR)
Inventor: KIM HYEONG JUN
IPC: H01L27/14
Filed: 2003-03-19
Abstract: PURPOSE: An optical sensing device with a single TFT(thin film transistor) used for sensing and switching is provided to fabricate a high-integrated optical sensing device of a simple structure by using one TFT that can be used for a sensor TFT and a switching TFT. CONSTITUTION: A storage capacitor(130) stores electric charges. A TFT(120) generates current corresponding to an input quantity of light to store electric charges of the current in the storage capacitor. The TFT performs a switching operation according to a control signal applied to a gate electrode to discharge the electric charge accumulated in the storage capacitor to the outside.