baber/WOPTO huggingface dataset:
Patent KR-20030049122-A (KR)
Title: Injector for prefilled syringes
Inventor: KIM GI WON
IPC: A61M5/178
Filed: 2001-12-14
Abstract: PURPOSE: Provided is a syringe with injection united as one which lets force sent to a working rod through a working grip so that it helps users to inject injection with less force without vibrating the working rod vertically. CONSTITUTION: The syringe with the injection united as one comprises the parts of: a holder(30) which consists of a holder part(31) to include the syringe and a support part(32) to support the holder part; a main body(10) which consists of a sliding guide part(11), a grip(12) and a fixing part for the syringe holder(13); the working rod(40) which is placed inside the sliding guide part with having a head part(41) held at front lateral part of the sliding guide part to restrict backward movement; the working grip(20) which is combined with rear edge of the working rod; a recovery spring for the working rod(60) which lets elastic power applied to the working rod in a backward projection direction of the sliding guide part; a rotation preventer for the working rod which prevents the working rod from being rotated against the sliding guide part; and a locker for the holder which blocks the holder from being rotated when the holder part of the holder is located in the same concentric axis as the sliding guide part.
Patent KR-20030049655-A (KR)
Title: Method for Prepaid Service in UMTS
Inventor: KIM JEONG GEUN
IPC: H04L12/14
Filed: 2001-12-17
Abstract: PURPOSE: A method for servicing prepaid charging in an advanced mobile communication system is provided to support the prepaid charging in a node by using a charging characteristics information field, thereby reducing system load and simplifying service procedures. CONSTITUTION: A mobile communication terminal(201) requests an attach procedure of an SGSN(Serving GPRS Support Node)(203)(211), and receives a response from the SGSN(203)(213). The SGSN(203) receives charging characteristics information from an HLR(205)(212). The SGSN(203) transmits a PDP context generation request message to a GGSN(Gateway GPRS Support Node)(204)(214), and the GGSN(204) generates a charging ID(215). The GGSN(204) transmits a PDP context generation response message to the SGSN(203)(216), and the SGSN transmits a PDP context response message to the terminal(201)(217). A contents service is used over the Internet(208)(218). The SGSN(203) and the GGSN(204) generate partial CDRs(Charging Data Records) to transmit the CDRs to a charging gateway(206)(219,220). The charging gateway(206) calculates entire CDRs to transmit the CDRs to a billing server(207)(221), and the billing server(207) settles accounts in real time(222).
Patent KR-20030051041-A (KR)
Title: Method of forming a isolation film in flash memory device
Inventor: LEE SEONG EUN
IPC: H01L21/76
Filed: 2001-12-20
Abstract: PURPOSE: A method for forming an isolation layer of a flash memory device is provided to be capable of minimizing the generation of voids by growing mono-crystal for partially filling a deep trench using an exposed silicon as a seed. CONSTITUTION: After defining a DTI(Deep Trench Isolation) region and a STI(Shallow Trench Isolation) region at a semiconductor substrate(10), a pad oxide layer(12) and a pad nitride layer(14) are sequentially formed on the semiconductor substrate. After forming deep trenches at the DTI region, a growth layer is formed for partially filling the deep trenches using the exposed portion of the semiconductor substrate as a seed. After forming shallow trenches at the STI region, an HDP(High Density Plasma) oxide layer(28) is completely filled in the deep and shallow trenches. Then, DTI and STI layers are formed by carrying out a planarization process on the resultant structure.
Patent KR-20030054078-A (KR)
Title: cabinet type desiccator
Inventor: SHON SEK GON
IPC: F24F3/14
Filed: 2001-12-24
Abstract: PURPOSE: A cabinet type desiccator using a peltier element is provided to reduce installation cost and maintaining cost. CONSTITUTION: A dehumidifying cabinet(20) is formed as a rectangular parallelepiped hermetic space, and has a door(21), a digital hygrometer measuring current humidity in the dehumidifying cabinet, and a plurality of shelves. A dehumidifying part(10) is placed on a lower end bottom part of the dehumidifying cabinet. The dehumidifying part comprises a cooling part(12) and a heat radiating part(13). The cooling part is a hermetic space. A fan(15) is placed on one side of an upper end of the cooling part to blow cold and dry air into the dehumidifying cabinet. An air inlet part is formed on the other side of the fan to introduce air as much as air blown into the dehumidifying cabinet to the cooling part. A water drip pan(14) is formed on a lower end of the cooling part to collect water drops. A discharge port is formed on the water drip pan to discharge collected water to the outside. The heat radiating part has discharge ports formed on both sides thereof to discharge heated air to the outside. A cooling fan(18) is formed between the discharge ports to rapidly discharge heated air and to introduce outside air. A peltier element(2) is attached between the cooling part and the heat radiating part. The peltier element cools down the heat radiating part. A plurality of cooling plates(12-1) are installed to cool down a surrounding space. The heat radiating part is heated by the peltier element. A heat radiating plate(13-1) radiates heat to surrounding air.
Patent KR-20030055027-A (KR)
Inventor: CHOI YEOM HO
IPC: C21D8/00
Filed: 2001-12-26
Abstract: PURPOSE: A method for manufacturing magnetism reduced austenitic stainless plate is provided to effectively reduce contents of retained delta-ferrite. CONSTITUTION: In a conventional hot rolling method of austenitic stainless plate including 5 to 7 wt.% of delta ferrite, the method characteristically comprises holding an austenitic stainless slab at 1200 to 1250 deg.C for 200 to 250 min; hot rolling the slab preliminarily at a reduction ratio of 40 to 50 %; reheating the hot rolled austenitic stainless plate at 1150 to 1250°C for 30 to 60 min; and hot rolling the austenitic stainless plate after preliminary hot rolling to the thickness of greater than 10 mm.
Patent KR-20030056615-A (KR)
Title: Method of manufacturing a semiconductor device
Inventor: KIM JONG PIL
IPC: H01L21/28
Filed: 2001-12-28
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to be capable of reducing bit line capacitance generated between a bit line and a storage node. CONSTITUTION: Bit lines(12) and a nitride layer(13) are sequentially stacked on a lower layer(11). A nitride spacer(14) is formed at both sidewalls of the bit lines(12). After forming an interlayer dielectric on the resultant structure, a storage node contact hole is formed. A sealing nitride layer(17) is formed at both sidewalls of the stacked structure including the nitride spacer. An oxide spacer(18) is formed at both sidewalls of the sealing nitride layer(17). A bar-type storage node contact plug is then formed in the storage node contact hole.
Patent KR-20030056784-A (KR)
Title: Thumbnail image generating system
Inventor: SEO JONG YEOL
IPC: H04N5/45
Filed: 2001-12-28
Abstract: PURPOSE: A system and method for generating a thumbnail image are provided to automatically generate a thumbnail image used for a video recording and reproducing system. CONSTITUTION: A system for generating a thumbnail image includes a histogram extractor(2,4) for extracting histogram of a previous image and histogram of the current image, and a stabilization judgement unit(6) for judging if the period including the images is stabilized using a difference between the extracted histograms. The system further includes a blank tester(7) for judging whether or not the images are decided as thumbnail images when the images belong to a stabilized section, and a thumbnail output unit(8) for excluding the images from generation of thumbnail images or selecting the images as the thumbnail images according to the blank test result.
Patent KR-20030057678-A (KR)
Title: Method for fabricating top electrode in Ferroelectric capacitor
Inventor: CHOI EUN SEOK
IPC: H01L27/105
Filed: 2001-12-29
Abstract: PURPOSE: A method for manufacturing a ferroelectric capacitor is provided to be capable of improving integration degree and reducing the degradation of a ferroelectric film by forming an upper electrode using ECD(Electro Chemical Deposition). CONSTITUTION: A lower electrode(25) is formed on a semiconductor substrate(21). A ferroelectric film(27) is formed on the lower electrode(25). A seed layer(28) is formed on the ferroelectric film(27). An interlayer dielectric having an opening part is formed on the seed layer(28). An upper electrode(30) is formed by filling a conductive layer into the opening part of the interlayer dielectric using ECD(Electro Chemical Deposition). Then, the interlayer dielectric and the seed layer(28) are removed.
Patent KR-20010083096-A (KR)
IPC: G06F17/00
Filed: 1999-07-08
Abstract: 효율적이면서 정연하게 다차원 데이터를 공간 감소시키는 표현 방식을 제공하는, 컴퓨터에 의해 구현되는 데이터베이스 및 방법이 제공된다. 각각의 속성에 대한 데이터 값이 압축 형태나 소트 순과 같이 공간 이용, 접근 속도 등의 장점을 제공하는 방식으로 저장된다. 속성에 대한 각각의 데이터 값의 사례가 사례 요소에 의해 식별되고, 그 각각은 한 개의 데이터 값과 관련된다. 연결 정보는 또다른 속성에 대한 데이터 값의 특정 사례로 각각의 사례 요소를 고유하게 연관시키는 각각의 사례 요소에 대해 제공된다.
Patent KR-20010053462-A (KR)
IPC: C08F265/04
Filed: 1999-07-09
Abstract: A process for preparing microgel(s) that uses a wide range of activatable prepolymers; in the process, a polymer composition of crosslinked component A and soluble components B and C is formed from mono-olefinic and multi-olefinic monomers in the presence of catalyst and initiator; the process comprises:I) introducing mono-olefinic monomer, catalyst, and initiator into a reactor in the absence of multi-olefinic monomer and producing an activatable prepolymer, component B;II) contacting the product of I) with multi-olefinic monomer to produce components A and C, optionally in the presence of additional initiator; also optionally in the presence of additional mono-olefinic monomer and initiator; the ratio of components A/(B+C) can be controlled by varying the mole ratio of Component B/multi-olefinic monomer from 0.05/1 up to 5/1, by decreasing the mole ratio to increase the ratio of A/(B+C), and increasing the mole ratio to decrease the ratio of A/(B+C).
Patent KR-20010079537-A (KR)
IPC: F16J15/08
Filed: 1999-07-21
Abstract: 적어도 때때로 고압 및/또는 고온이 되는 공간(14)을 서로 둘러싸는 두개의 기계부품(10,11) 사이에 시일을 형성하기 위하여, 경화가능한 성분(30)을 포함하고 있는 밀봉수단이 두개의 기계부품(10,11) 사이에 배열된다. 적어도 때때로 고압 및/또는 고온이 되는 공간(14)에 적어도 직접적으로 인접하지 않은 영역에 액체형태로 한쪽 또는 양쪽 기계부품(10,11)상에 경화가능한 성분(30)이 직접 적용된다. 경화가능한 성분(30)이 경화되기 전에 두개의 기계부품(10,11)이 조립된다. 밀봉 링은 고압 및 고온 공간(14)의 에지 또는 약간 올라간 에지 둘레의 두개의 기계부품(10,11) 사이에 삽입될 수 있으며 밀봉을 위해 경화가능한 성분(30)은 이 영역의 외부에 사용될 수 있다. 밀봉 링은 챔버(14)의 주위벽의 시일표면(12)의 오목부에 위치되며, 오목부는 밀봉을 위해 요구되는 압력이 두개의 기계부품(10,11)의 조립된 상태에서 밀봉 링(34)상에 가해질 수 있도록 하기 위한 치수로 되어 있다. 두개의 기계부품은 피스톤 엔진의 실린더 헤드(11)와 엔진블록(10)이 될 수 있다.
Patent KR-20010085323-A (KR)
IPC: B32B7/02
Filed: 1999-03-22
Abstract: 본 발명은 1종 이상의 변형 유도된 복굴절 물질층을 갖는 후형성된 다층 광학 필름을 포함하는 물품, 다층 광학 필름을 후형성함으로써 이러한 물품을 제조하는 방법 및 후형성 공정에 특히 적합한 다층 광학 필름에 관한 것이다. 본 발명의 물품, 방법 및 다층 광학 필름은 다층 광학 필름의 원하는 광학 특성을 유지하면서 변형 유도된 굴절률 차이를 포함하는 다층 광학 필름의 후형성을 가능하게 한다.
Patent KR-20010075165-A (KR)
IPC: C21D1/60
Filed: 1999-09-13
Abstract: 높은 열전달계수를 가진 냉매를 이용하고, 저코스트이며 또한 환경친화적인 무공해의 강철의 열처리방법 및 열처리장치를 제공한다. 
     오오스테나이트화된 강철을 냉매속에 침지해서 냉각하는 강철의 열처리방법에 있어서, 냉매는  고체입자와 물과의 혼합물을 사용한다.   고체입자는 수중에 침전되고, 이 침전층속으로 강철을 통과시켜서 냉각하는 것이 바람직하다.   산화물은 Al 2 O 3 , CaO, MgO, SiO 2 , ZrO 2 , ZrO 2 ·SiO 2 , B 2 O 3 , FeO, FeO 2 및 Fe 2 O 3 에서 선택된적어도 1종이 적합한 것이다.
Patent KR-20010102943-A (KR)
IPC: C12Q1/68
Filed: 1999-11-05
Abstract: 본 발명은 랫트의 결합 조직 성장 인자(CTGF), CTGF 생산 방법, 및 CTGF 또는 그의 유도체를 사용한 치료 방법을 제공한다.  또한, 본 발명은 CTGF 활성 조절 방법 및 CTGF와 상관관계가 있는 세포 증식 질환의 호전 방법을 제공한다.
Patent KR-20010080949-A (KR)
IPC: F02M35/08
Filed: 2000-09-05
Abstract: 본 발명은 내연기관에 흡입된 공기를 여과하기 위한 공기 필터에 관한 것이다.  상기 공기 필터는 유입구(11)와 유출구(12)를 가질 뿐만 아니라 적어도 하나의 물 배출구(18)를 갖는 필터 하우징(10)을 포함하는데, 상기 물 배출구는 하우징의 바닥(101)에 배치되며, 필터 하우징(10) 내에 위치한 교환용 필터 메트(13)는 공기 유입구(11)와 공기 유출구(12) 사이에 배치된다.  본 발명에 따라서, 필터 하우징(10) 내에는 필터 메트(13)의 상류에 물 분리기(19)가 위치하며, 필터 하우징(10) 내에서 상기 물 분리기 상에 작용하는 부압을 보상할 수 있는 높이에 배치되는 것으로서 물 배출구(18) 내에서 물의 레벨(23)을 형성하기 위한 수단이 적어도 하나의 물 배출구(18) 내에 제공된다.  이로써, 물 입자들은 흡입 공기로부터 분리되며 이 분리된 물은 필터 하우징(10)으로부터 최적 상태로 배치된다.
Patent KR-20010081113-A (KR)
Title: Benzofuran derivatives, process for the preparation of the same and uses thereof
IPC: C07D407/06
Filed: 1999-12-02
Abstract: Compounds represented by the formula: <CHEM> wherein R<1> and R<2> are hydrogen atom, a hydrocarbon group or a heterocyclic group, or R<1> and R<2> may form, together with the adjacent carbon atom, a 3- to 8-membered homocyclic or heterocyclic ring, W indicates     (i) a group represented by the formula: <CHEM>  wherein ring B indicates a 5- to 7-membered ring, or   (ii) a group represented by the formula: <CHEM> wherein R<4> indicates (1) an aliphatic hydrocarbon group, which may be substituted with an aromatic group, or (2) an acyl group containing an aromatic group, R<5> is hydrogen atom, a C1-6 alkyl, or an acyl group, provided that, when W is Wa, R<3> is hydrogen atom, a hydrocarbon group or a heterocyclic group, when W is Wb, R<3> indicates a C6-14 aryl group, or salts thereof or prodrugs thereof have an excellent action to inhibit neurodegeneration and the like as well as an excellent brain penetrability and are low in the toxicity, thereby being useful as prophylactic or therapeutic drugs for nerve degenerative diseases and the like.
Patent KR-20010101227-A (KR)
Inventor: PORSO BERITH
IPC: A61F13/15
Filed: 1999-12-15
Abstract: 흡수 구조물이 초흡수 재료가 분산되어 있는 영역 또는 영역들에서 건조상태에 있는 흡수 구조물의 총 중량을 기준으로 적어도 40 중량 퍼센트의 초흡수 재료를 포함하며, 초흡수 재료가 단지 부분적으로 중화된, 기저귀, 요실금 보호대, 생리대, 팬티 라이너 등의 물품과 같은 흡수물품의 흡수 구조물. 흡수 구조물을 포함하는 흡수물품.
Patent KR-20010092774-A (KR)
Title: Polymer composition, a process for the production thereof and films prepared thereof
IPC: C08F10/02
Filed: 2000-01-04
Abstract: This invention concerns process for producing polyethylene compositions, films prepared thereof and process for the preparation of the films. The process comprises subjecting ethylene, optionally hydrogen and comonomers to polymerization or copolymerization reactions in a multistage polymerization. At least one polymerization stage is conducted essentially in the absence of hydrogen. The polymerization reactions are carried out in the presence of a single-site catalyst capable of forming a composition comprising a low molecular weight component with MFR<HIL><PDAT>2 </SB><PDAT>of at least 10 g/10 min and a density higher than the density of the composition and a high molecular weight component. The melt flow rate of the composition is in the range MFR<HIL><PDAT>2</SB><PDAT>=0.1-5.0 g/10 min and the density of the composition is 915-960 kg/m<HIL><3</SP><PDAT>. The invention makes it possible to produce polyethylene compositions for manufacturing films with a good balance between optical and mechanical properties.</PTEXT>
Patent KR-20010101855-A (KR)
IPC: C12Q1/00
Filed: 2000-11-14
Abstract: 본 발명에 관한 바이오 센서는 도 1에 도시하는 바와 같이 기판(1)과, 예를 들어 금이나 팔라듐 등의 귀금속이나 카본 등의 전기 전도성 물질로 이루어지는 도체층(2)과, 기판(1)측면과 평행한 슬릿(3a), (3b)과, 기판(1) 측면에 대해 수직인 슬릿(4a), (4b)과, 측정 전극(5)과, 쌍 전극(6)과, 검지 전극(7)과, 기판(1) 상의 측정 전극(5), 쌍 전극(6) 및 검지 전극(7)을 덮는 스페이서(8)와, 검체공급로를 형성하는 직사각형의 절결부(9)와, 검체공급로의 입구(9a)와, 스페이서(8)의 절결부(9)를 통해 노출되어 있는 측정 전극(5), 쌍 전극(6) 및 검지 전극(7)에 효소 등을 함유하는 시약을 도포하는 것에 의해 형성된 시약층(12)과, 스페이서(8)를 덮는 커버(13)를 구비한 것이다. 
     이와 같이 구성되는 바이오 센서에서는 간결한 공법으로 형성하는 것이 가능하고 또한 측정 정밀도가 양호한 바이오 센서 및 시약액 조성에 관계없이 전극 상에 균일하게 시약층이 배치되어 성능이 균일한 바이오 센서를 실현할 수 있다.
Patent KR-20020001850-A (KR)
IPC: A61P25/22
Filed: 2000-04-25
Abstract: 본 발명은 기분장애, 적응장애 또는 혼재성 불안우울증의 치료 또는 예방에 사용되는 의약의 제조를 위한 사레듀턴트 및 그의 제약상 허용되는 염의 용도에 관한 것이다.
Patent KR-20030063058-A (KR)
Title: Negative Photoresist And Method Of Manufacturing Pattern Using The Same
Inventor: JU JIN HO
IPC: G03F7/004
Filed: 2002-01-22
Abstract: PURPOSE: A negative photoresist and a method for forming a pattern using the photoresist are provided, to inhibit the undercut in development by reducing the amount of acid generated in curing, thereby enabling the pattern of a desired width to be obtained easily for improving the profile of pattern. CONSTITUTION: The negative photoresist comprises 10-40 parts by weight of a novolac resin; 0.5-1.5 parts by weight of a photoacid generator; 50-100 parts by weight of an organic solvent; 2-5 parts by weight of a crosslinking agent; and 0.3-1 parts by weight of a base additive. Preferably the crosslinking agent is a mixture of an acryl monomer and a melamine-based monomer in the ratio of 2:1 to 1:2; and the base additive is a nitrogen-containing organic compound and comprises a primary amine, a secondary amine, a tertiary amine, an unsaturated cyclic amine and a quaternary ammonium salt; and the organic solvent is propylene glycol monomethyl ether acetate.
Patent KR-20020026297-A (KR)
Inventor: CHUNG KI YOUN
IPC: A47J41/00
Filed: 2002-02-07
Abstract: PURPOSE: A container assembly with a timer is provided to enable a user to conveniently check a cooking time, and the like without preparing a separate timer. CONSTITUTION: The container assembly consists of a container(10) for receiving food, and a timer coupled to the outer periphery of the container by using a desired fastening device for allowing a user to check a cooking time, and the like. Preferably, the fastening device is a tape(40) capable of preventing the separation of the timer such as a sandglass(30) received in a coupling recess(11) formed on the outer surface of the container.
Patent KR-20020077801-A (KR)
Title: Method of controlling solenoid actuator
Inventor: EHARA TAKAYUKI
IPC: H02P25/06
Filed: 2002-02-15
Abstract: PURPOSE: To eliminate the difference in attracting force of a solenoid actuator caused by the hysteresis characteristic of the actuator. CONSTITUTION: At the time of controlling a solenoid driving current I toward a certain target current value IT, the current I is controlled so that the current I may be set to the target value IT by repetitively causing the current I to overshoot and undershoot the target value IT. Since the solenoid driving current I is controlled to be set to the target current value IT after overshooting and undershooting the current I in this way, the attracting force of the solenoid actuator is fixed at an intermediate point of the difference between the attracting force characteristics of the actuator in the current increasing direction and current decreasing direction of the actuator, and the hysteresis characteristic of the actuator can be negated.
Patent KR-20030068677-A (KR)
Title: Method for digital down conversion using double A-D Converter
Inventor: JUNG IN HWA
IPC: H04B7/155
Filed: 2002-02-15
Abstract: PURPOSE: A digital down-converting method using two ADCs(Analog to Digital Converters) is provided to improve the performance of a modem by considerably reducing the distortion of a baseband signal, which is generated by a jitter of an ADC clock. CONSTITUTION: Phase difference is generated between a pair of low-speed ADCs, by two low-speed ADCs, and a baseband signal is detected. The conversion speeds of two low-speed ADCs are identical to sample rates. Phase difference between conversion clocks of two low-speed ADCs is identical to 1/4 of a central frequency period of an IF(Intermediate Frequency) signal.
Patent KR-20030072826-A (KR)
Title: Method of manufacturing Liquid Crystal Display Device
Inventor: JUNG SEONG SU
IPC: G02F1/1341
Filed: 2002-03-07
Abstract: PURPOSE: A method for fabricating a liquid crystal display is provided to irradiate ultraviolet rays on a liquid crystal display panel with a region where a dummy UV hardening sealant is overlapped with a cell cut line being covered with a mask, to easily cut the panel into cells. CONSTITUTION: Lower and upper substrates(200,300) are prepared. A closed main UV hardening sealant is coated on one of the lower and upper substrates, and a closed dummy UV hardening sealant is coated on the area surrounding the main UV hardening sealant. Liquid crystal is dispensed onto one of the two substrates. The lower and upper substrates are attached to each other. A region where the dummy UV hardening sealant is overlapped with a cell cut line is covered with a mask(950) and ultraviolet rays are irradiated on the attached substrate. The attached substrate is cut into unit cells.
Patent KR-20030077107-A (KR)
Title: An apparatus for supplying the lubricant into a inner part of roller chain
Inventor: CHO SEONG UK
IPC: F16H57/04
Filed: 2002-03-25
Abstract: PURPOSE: A device for feeding a lubricant of a roller chain is provided to automatically feed the lubricant to the inside of the roller chain while the roller chain engages with a sprocket, to lengthen the life span of the roller chain, to prevent a break down of the roller chain, and to improve productivity by the elongated feeding period. CONSTITUTION: A device for feeding a lubricant of a roller chain(2) comprises rollers(2a), pins, and links. The device for feeding the lubricant is installed between driven and driving sprockets to transmit power to the roller chain. The device for feeding the lubricant of the roller chain includes a feeding unit(10) supplying the lubricant whenever the rollers and contacting units(11) come in contact with each other; a position adjustment unit(30) adjusting the contacting degree of the rollers and the contacting units; and a supply unit(50) supplying the lubricant. The feeding unit has a rotating body rotating unidirectionally and the contacting units are mounted to the outer surface of the rotating body. The position adjustment unit adjusts the contacting degree of the rollers and the contacting units by moving a support base(19) rotatably supporting the rotating body, to the roller chain side. The supply unit communicates with the rotating body, through a hose member(52), and has a supply pump(53) filled with the lubricant.
Patent KR-20030001230-A (KR)
Title: Semiconductor device and method of manufacturing the same
Inventor: SUGATANI SHINJI
IPC: H01L21/8247
Filed: 2002-03-29
Abstract: PURPOSE: To promote micronization of a memory cell, related to a method for manufacturing a semiconductor device comprising a non-volatile memory. CONSTITUTION: A process is provided where, a tunnel insulating film 2 is formed on a semiconductor substrate 1, a first semiconductor film 3 constituting the lower part of a floating gate is formed on the tunnel insulating film 2, the element separation region of the first semiconductor film 3, the tunnel oxide film 2, and the semiconductor substrate 1 are etched to form an element separation groove 1a, an element separation insulating film 7 is formed both in the element separation groove 1a and on the first semiconductor film 3, the element separation insulating film 7 is removed from the first semiconductor film 3 while made to be a thin layer on the element separation groove 1a, a second semiconductor film 8 which is to be the upper part of the floating gate is selectively grown on the first semiconductor film 3 while the second semiconductor film 8 is laterally expanded and grown on the element separation insulating film 7, a dielectric film 9 is formed on the floating gate, and a conductive film 10 which is to be a control gate is formed on the dielectric film.
Patent KR-20030083436-A (KR)
Inventor: LEE YEONG BOK
IPC: E02D5/18
Filed: 2002-04-23
Abstract: PURPOSE: A wall second angle prelocation rotary drilling method is provided to form a wall in uniform thickness to the wanted depth and to heighten economical efficiency by decreasing the period and cost of earthwork. CONSTITUTION: The wall second angle prelocation rotary drilling method comprises the steps of attaching an auger motor to a drill, attaching a rod, a hammer and a bit to an inner gear, approaching a casing attached with a casing shoe to an outer gear and generating high-pressure air by a compressor, or driving a piston in the hammer by hitting pressure and rotary power of the auger motor, treating a weathering zone with a casing and crushing to the bedrock.