baber/WOPTO huggingface dataset:
Patent KR-20000072902-A (KR)
Inventor: OH YONG BUM
IPC: F16H1/34
Filed: 1999-05-03
Abstract: PURPOSE: A harmonic reducer is provided to improve engagement rate of teeth, and to reduce teeth interference, thereby reducing contact stress and improving durability. CONSTITUTION: A harmonic reducer includes a wave generator(10) connected with an input side and having an elliptical cam(11); a flexible flex spline(20) connected with an output side with being inserted into the outer peripheral of the cam of the wave generator, and having teeth in the outer peripheral surface; and a rigid circular spline(30) having inner spline teeth engageable with the outer teeth of the flex spline, wherein a pitch circle of the flex spline is formed as an ellipse by compounding circles having the different center and curvature, the section except the section where the teeth of the flex spline and the circular spline are engaged, forms a curvature smaller than the original curvature to smoothly engage the teeth.
Patent KR-19990064756-A (KR)
Title: 암반층 천공장치 및 천공방법
Filed: 1999-05-07
Abstract: 본 발명은 암반층에 천공 홀을 형성하는 방법 및 상기 방법의 실시를 가능하게 하는 천공장치에 관한 것으로서, 더욱 구체적으로는, 암반층의 상부에 전석층이나 토사층과 같이 붕괴 및 함몰이 쉽게 일어나는 파쇄대나 함몰지층이 존재하는 지역에서 적용할 수 있는 최적의 암반층 천공방법 및 천공장치에 관한 것이다. 
     본 발명의 천공장치는, 통상의 케이싱(1)과, 하단면에 다수개의 볼 비트(8)가 식재(植栽)되고 내주면에는 대략 120°간격으로 돌기(3)가 돌설되어 있는 케이싱 슈우(2)와, 상기 케이싱 슈우(2)의 내주면에 형성된 돌기(3)와 대응되게 버튼 비트(7)의 외주면에 요홈(5)과 계지홈(6)이 형성되어 있는 해머(4)로 구성된다. 
     그리고, 본 발명의 천공방법은, 상기의 천공장치를 이용하여 함몰지층(10)과 암반층(11)에 천공과 동시에 케이싱이 삽설되게 함을 특징으로 한다.
Patent KR-20000005653-A (KR)
Inventor: JIMARESRISAJAI
IPC: H05K3/34
Filed: 1999-05-14
Abstract: PURPOSE: A parts detaching and attaching method and apparatus thereof is provided to insulate a humidity sensitive PBGA during detaching or attaching a chip and prevent reflow of the first level module during detaching or attaching the module. CONSTITUTION: The parts detaching and attaching method comprises: (a) a step preheating a substrate under the third temperature lower than the first temperature; (b) a step positioning parts on the substrate; (c) a step positioning thermal shield on the substrate; and (d) a step forming a welding coupling unit by heating a welding ball to the first temperature, and presenting the hot gas flow of the forth temperature to the periphery of the thermal shield for prescribed time so as to heat other portions of the parts to the lower temperature than the second temperature.
Patent KR-20000073974-A (KR)
Inventor: LEE SEONG HYEON
IPC: H01L21/68
Filed: 1999-05-17
Abstract: PURPOSE: A wafer boat is provided to prevent a wafer from being drooped and bent by using a plurality of quartz rods to have a same amount of load to a wafer edge. CONSTITUTION: A wafer boat comprises an upper cover(51), a heat insulating case(56), at least two quartz rods(55) and a wafer drooping prevention unit(53). The heat insulating case is established in a position separated a predetermined interval from the upper cover. The quartz rods have a plurality of wafer slots(55a), connecting the upper cover with the heat insulating case. The wafer drooping prevention unit is established inside the wafer slot to place the wafer stably.
Patent KR-20010000006-A (KR)
Inventor: PARK CHANG UN
IPC: F16D13/58
Filed: 1999-06-03
Abstract: PURPOSE: A clutch for sensing the RPM(revolution per minute) of a vehicle is provided to save production costs with a simple press process, to improve productivity and an assembly characteristic and to decrease the number of components. CONSTITUTION: A target is integrally prepared on a clutch cover(10) and is equalized to a point where a ring gear for a target is positioned on a flywheel(40). A slit(11) formed on the clutch cover functions the same as an end of the ring gear does. Further, an RPM sensor(50) uses a frequency detective rotational speed sensor or an optical controller. The RPM sensor is installed in an optional position of the clutch cover corresponding to the position of the target.
Patent KR-20010001513-A (KR)
Inventor: CHOI YEON BEOM
IPC: C08K3/00
Filed: 1999-06-04
Abstract: PURPOSE: A polypropylene composition has improve heat resistance and stiffness by means of controlling stereo-regularity of polypropylene and also shows good crape resistance by means of using nucleus forming agent as well as controlling stereo-regularity. CONSTITUTION: A polypropylene resin composition having good heat resistance and crape resistance contains either of 0.05-0.3 part by weight of organic metallic nucleus forming agent or 0.1-0.5 part by weight of inorganic metallic nucleus forming agent based on 100 part by weight of high stereo-regularity polypropylene homopolymer. The polypropylene homopolymer comprises at least 95 % ratio of isotactic peptide component. The homopolymer is featured by its molecular weight of 300,000-500,000 and atactic polymer ratio of less than 1.5 wt.% as extracted from solvent based on total weight percent of the composition.
Patent KR-20010001753-A (KR)
Inventor: HONG IN SUK
IPC: H04M3/22
Filed: 1999-06-08
Abstract: PURPOSE: A method for outputting an inter process communication(IPC) execution information graphic of a switching system is provided to retrieve IPC execution information in a graphic mode, to input a command for retrieving the IPC execution information according to packaged information of the graphically-displayed switching system so as to prevent a re-inputting process caused by a wrong command inputting process, and to display the IPC execution information with the graphic mode to make an operator easily identify a state of an IPC execution. CONSTITUTION: If a command for testing an inter process communication(IPC) log-on is inputted from an operator terminal, a system status control(SSC) module transmits prestored system packaged information to the operator terminal. The operator terminal displays the system-packaged information. If a command for retrieving IPC execution information is inputted, the command is transmitted to the SSC module. The SSC module retrieves the IPC execution information. If a predetermined cycle elapses, the SSC module transmits the retrieved IPC execution information to a graphic module. The graphic module makes a graphic for the IPC execution information, and transmits the graphical IPC execution information to the operator terminal. The operator terminal displays the graphical IPC execution information.
Patent KR-20010001776-A (KR)
Inventor: HWANG IN SEON
IPC: G02F1/1335
Filed: 1999-06-08
Abstract: PURPOSE: A sheet assembly of a backlight unit for an LCD(liquid crystal display) is provided to maintain tolerance of prism patterns regular against defect factors such as impurity and pitch error while keeping the mountain area of each prism pattern straight. CONSTITUTION: In a backlight unit(100) for an LCD, light of a lamp(11) is projected directly into a light panel(30) or reflected by a lamp cover(20) to be projected into a one side of the light panel(30). A prism sheet(50) delivers the light to a protective sheet(60). Herein, the prism sheet(50) has plural prism patterns individually divided at regular intervals and continuously arranged with different heights while keeping a mountain straight. Thus, the prism sheet(50) maintains strong tolerance against defect factors such as impurity and pitch error. After that, the protective sheet(60) delivers the light to an image panel(2) to display the desired image on an LCD panel(2).
Patent KR-20010003131-A (KR)
Inventor: CHO SEONG JIN
IPC: D06F17/10
Filed: 1999-06-21
Abstract: PURPOSE: A direct coupling type washing machine is provided to improve the washing effect of the washing machine by generating a reverse liquid flow at a center of a washing tub. CONSTITUTION: A direct coupling type washing machine comprises a pulsator(21) integrally formed with a washing tub(2). A driving shaft(4) for transferring the rotational force of a motor(5) to the washing tub(2) is coupled to a hub(3). A driving gear(42) is formed at an upper portion of the driving shaft(4). A driving gear(42) is meshed with a planet gear(43). A driven gear(44) is meshed with the planet gear(43). A bolt shaft(441) is formed at an upper portion of the driven gear(44). An agitator(6) is installed at a center of the washing tub(2). The bolt shaft(441) is inserted into an insertion hole(6) of the agitator(6).
Patent KR-20010003139-A (KR)
Inventor: PI SEUNG HO
IPC: H01L21/76
Filed: 1999-06-21
Abstract: PURPOSE: A method of fabricating a semiconductor device is to prevent a thinning of a gate oxide layer at an edge of an active region due to a thermal processing under a nitrified atmosphere executed to suppress a stress inducted to a substrate by a subsequent thermal oxide process after a trench isolation process. CONSTITUTION: A fabrication method of a semiconductor device comprises the steps of: depositing a pad oxide film and an antioxidation layer on a semiconductor substrate(20); selectively etching the antioxidation layer and the pad oxide layer and then forming the first antioxidation pattern; forming the second oxidation pattern on the side wall of the first antioxidation pattern; etching the exposed semiconductor device and then forming a trench; forming a thermal oxidation layer on the interior wall of the trench; executing a thermal processing under a nitrified atmosphere and then forming a nitride layer(25) at an interface between the thermal oxidation layer and the semiconductor substrate; filling an insulating substance into the trench; removing the first and second antioxidation pattern; and forming a gate oxide layer(27) on the semiconductor substrate of an active region.
Patent KR-20010003377-A (KR)
Inventor: NAM JEONG MAN
IPC: F25D23/00
Filed: 1999-06-23
Abstract: PURPOSE: A refrigerator support apparatus is provided to reduce parts count and cost by incorporating a height adjust device and a rotating wheel for movement of the refrigerator into a single assembly. CONSTITUTION: An apparatus comprises an upper support member(32) having a height adjust bolt(31) coupled to the center of the upper support member, a lower support member(33) mounted to be rotatable beneath the upper support member, a rotating wheel(34) mounted to be rotatable to the lower support member, a support shaft(35) for supporting the rotating wheel, and a locking pin(36) for restricting the rotation of the rotating wheel. The upper support member has a groove rail(41) formed at the bottom surface of the upper support member, and the lower support member has a protruded rail(42) to be inserted into the groove rail of the upper support member to be slidable along the groove rail. The upper support member has a plurality of pin coupling holes(32a) formed at an outer periphery of the upper support member, for insertion of a long tool so as to rotate the upper support member in an easy manner. The lower support member has a wheel receiving portion(33a), and the rotating wheel being accommodated into the wheel receiving portion is supported by the support shaft penetrating transversely the lower support member.
Patent KR-20000011795-A (KR)
Title: Filter device
Inventor: MINOWA TAKAHIRO
IPC: B01D35/143
Filed: 1999-07-16
Abstract: PURPOSE: A filter device is provided to be easily removed from a container, and to be easily exchanged a heat contracting matter by forming a cutting line in a shaft shape in the heat contracting matter and by being able to cut in a shaft shape according to the cutting line. CONSTITUTION: The filter device comprises: a cylindrical container(10); a filter element(20); a cover(30) to seal an opening of the container, and to connecting the inner and the outer of the container; a fixing matter to fix the container together with the cover; a circular elastic seal matter loaded in a crack formed between a surrounding wall of the opening of the container and the surrounding face of the opening of the cover located in the opposite side of the surrounding wall; the circular elastic seal matter to seal a crack drainage in a radius direction when the filter device is assembled.
Patent KR-20000011876-A (KR)
Inventor: UENO DAKANAO
IPC: H01L21/00
Filed: 1999-07-21
Abstract: PURPOSE: A light irradiator is provided to exactly maintain a heavy-weight light collecting mirror of which an opening is upwardly formed and prevent breakdown of the light collecting mirror by improving light collection characteristics. CONSTITUTION: The light irradiator comprises a discharge lamp of a short arc type and an optical implement reflecting light of the discharge lamp. The light collecting mirror composing a part of the optical equipment and has the upwardly formed opening. A lower side of the mirror is upwardly pressed by a pressing member from a light collecting mirror supporter. An opening periphery of a light mirror upper side is maintained by contacting with a periphery of the light irradiation opening with pressure.
Patent KR-20010011215-A (KR)
Inventor: KOO GANG MO
IPC: G01R31/28
Filed: 1999-07-26
Abstract: PURPOSE: A method and an apparatus for testing alarm collection board are provided to judge an abnormality of board promptly and accurately during mass production of the board or system operation. CONSTITUTION: A method comprises the first step of receiving from a data transmission cable an alarm generation command given by a user and generating at random a plurality of alarm data from an alarm collection board; the second step of transmitting the generated alarm data to a test device through a data transmission cable; the third step of simultaneously outputting alarm data to the alarm collection board from the test device; the fourth step of allowing the alarm collection board to collect the output alarm data; and the fifth step of judging an abnormality of the board by comparing the collected alarm data and the alarm data generated at random in the first step.
Patent KR-20010016926-A (KR)
Inventor: KWON O GYEONG
IPC: G09G3/36
Filed: 1999-08-05
Abstract: PURPOSE: A circuit for driving a source of a liquid crystal display is provided to reduce not only the consumption power of the polar modulation with the large voltage swing width and but also the driving consumption power of an amplifier. CONSTITUTION: The device includes two phases of the polarity modulation and the gray scale decision. The voltage modulation(B) between the voltage(VL) appropriate to the middle gray of the minus image and the voltage(VH) appropriate to the middle gray of the plus image is carried out the polar modulation and the voltage modulation(C, D) for the gray scale decision is carried out by an amplifier of a source driver. The consumption power for the polar modulation(B) is supplied by the voltage(VH) of the polar modulation and the consumption power for the gray scale display(C) is supplied by VDD of the amplifier. After the polar modulation to the voltage(VL) of the minus image range the voltage modulation as D is needed for displaying the white image and is carried out by the power supplied by the VDD. But after the polar modulation to the voltage(VL) of the minus image range the consumption power isn't generated by the amplifier when the black image is displayed but in the polar modulation to the voltage(VH) of the plus image range the consumption power is generated by the voltage(VL) of the polar modulation.
Patent KR-20010017777-A (KR)
Inventor: CHUN JANG SEONG
IPC: B23Q1/58
Filed: 1999-08-13
Abstract: PURPOSE: A head module is provided to reduce the size of the head module and obtain high output by alternately arranging a plurality of linear motors. CONSTITUTION: A head module(100) comprises a plurality of heads(110,120,130,140) having respective linear motors(111,121,131,141) as a driving source for vertically moving hollow shafts(112,122,132,142); and linear motors disposed onto heads in such a manner that each linear motor alternate with one another. By arranging linear motors to alternate with one another, a head module with reduced size can be obtained. With thus-obtained head module, it is possible to generate high thrust, while controlling the movement of head at a high precision.
Patent KR-20010018097-A (KR)
Inventor: AHN SANG UK
IPC: A23L33/00
Filed: 1999-08-17
Abstract: PURPOSE: A functional food and a manufacturing method for hangover cure by using a mixture of Hovenia dulcis thunb, Alnus japonica and Pueraria thunbergiana Benth are provided to increase the effect of activating liver by promoting alcohol decomposition. CONSTITUTION: The functional food for hangover cure contains Hovenia dulcis thunb concentrate, Alnus japonica concentrate and Pueraria thunbergiana Benth concentrate in a ratio of 10-60:10-60:10-60. The manufacturing method of the functional food comprises the steps of: cutting fruits of Hovenia dulcis thunb, bark of Alnus japonica, and root, leaf and flower of Pueraria thunbergiana Benth, and hot-air drying at 50deg.C for 12hours; couple of times extracting above each ingredient with a mixture of water and alcohol in a ratio of 1:9 by a reflux condensing extractor at 65-105deg.C for 6-12hours; decompressing and filtering the extract to concentrate it to 25-60°Bx; mixing each concentrate; and making a product as liquid in a pouch, powder, pill or drink type.
Patent KR-19990083868-A (KR)
Title: 난방 보일러용 순환 열매체 및 제조방법
IPC: C09K5/00
Filed: 1999-08-23
Abstract: 본 발명은 동절기에 실내의 공기를 따뜻하게 하기 위하여 사용되는 보일러의 열매체에 관한 것으로서,  부식방지제, 소포제, D.B.P, 글리세린, 메탄올, 물 등을 적정의 비율로 혼합하여 보일러의 난방관에 충진시켜 난방관에 순환시키는 것으로, D.B.P와 메탈올 및 글리세린에 의하여 물의 끓는 온도보다 빠르게 온도가 높아지는 성질을 이용하여 물에 비하여 끓는 시간이 단시간에 이루어 지도록 하여 단시간내에 실내온도를 높일 수 있도록 하고 온도가 내려가는 시간을 장시간 걸리도록 함으로 열효율을 높이고 계면활성제 및 부식 방지제에 의하여 난방수가 난방관에 장시간 정체되어 있어도 난방관의 부식이나 이물질이 퇴적되는 것을 방지하여 난방수의 순환을 원활하게 할 수 있도록 하는 난방용 보일러용 순환 열매체 및 제조방법을 제공하고자 하는 것이다.
Patent KR-20010018949-A (KR)
Title: Circuit board for semiconductor package
Inventor: SHIN WON DAE
IPC: H01L23/538
Filed: 1999-08-24
Abstract: PURPOSE: A circuit board for a semiconductor package is provided to make static electricity directly discharged to the exterior, by having the circuit board completely grounded to a corresponding equipment. CONSTITUTION: A resin layer has an index hole(16) of a predetermined caliber on an edge of both sides. A chip mounting part is so formed on the resin layer that a semiconductor chip can be mounted afterward. A plurality of circuit patterns(10) is radially and finely formed on a circumferential surface of the chip mounting part. A plurality of ball lands is arranged so that a conductive ball is melted and bonded to a lower surface of the resin layer. A conductive via hole connects the circuit pattern on the resin layer with a ball land on a lower surface of the resin layer. A cover coat(6) is coated on the upper and lower surfaces of the resin layer to protect the circuit pattern from the exterior surroundings and to make the ball land open to the exterior. A ground metal line(50) of a predetermined width is formed along an edge of a surface in which the ball land of the circuit board is formed, in all of the edge portions in contact with a corresponding equipment, so that ground can be performed through a broad area of the corresponding equipment.
Patent KR-20010019635-A (KR)
Inventor: LEE JONG YONG
IPC: A63B19/02
Filed: 1999-08-28
Abstract: PURPOSE: A hula hoop is introduced to have spiral projections on surface of a wheel body of the hula hoop and air bag inside spiral projections, in order to provide good appearance and acupressure effects, fluorescent to be attractive at night and to make unique sounds. CONSTITUTION: A hula hoop comprises a wheel body made of synthetic resin hose enclosing a colored spiral core body. The wheel body has spiral projections at its surface. Within the wheel body an air bag is attached to have acupressure function. The spiral core body can be colored and blended with fluorescent materials to be fluoresced at night and be made of synthetic resin having strength greater than that of the hose. When the air bag is rubbed a human body, air inside the air bag is leaked and produces unique and interesting sounds.
Patent KR-20010025954-A (KR)
Inventor: AN HYO SUB
IPC: A01G9/12
Filed: 1999-09-02
Abstract: PURPOSE: A method for manufacturing a support for peppers is provided, which is environment-friendly compared to a conventional support made of synthetic resin and is easy to handle by continuously drawing a thin metal plate into the shape of a pipe while forming a plurality of reinforcing beads at the outer circumference of the pipe to increase bending resistance in a length direction. CONSTITUTION: The method for manufacturing a support for peppers comprises: continuously drawing a thin metal plate(10) into the shape of a pipe(11) while forming a plurality of reinforcing beads(13) at the outer circumference of the pipe(11); cutting the drawn pipe by regular length; forming the end of the pipe(11) into a conic taper part(21); and discarding a compressed part(22) to form a support(20).
Patent KR-20010026046-A (KR)
Title: Spinner-stepper apparatus
Inventor: LEE SEOK U
IPC: H01L21/027
Filed: 1999-09-02
Abstract: PURPOSE: A spinner-stepper apparatus is provided to reduce an area occupied by the equipment by transferring a wafer by using only an interface of a stepper, and to perform a precise process by making the interface synchronize with the process. CONSTITUTION: A spinner(210) applies and develops a predetermined layer on a wafer. An exposure process is performed regarding the wafer applied and developed in the spinner to corrode a pattern. A single interface(230) transfers the wafer between the spinner and a stepper(220). The single interface includes a buffer and a robotic system. The buffer is supplied in the stepper, and stacks the wafer. The robotic system selectively transfers the wafer in the buffer to the spinner and the stepper.
Patent KR-20000023265-A (KR)
Inventor: KURIBARA MASHAYUKI
IPC: G01R31/305
Filed: 1999-09-17
Abstract: PURPOSE: An electronic beam tester and a setting method therefor are provided to quickly measure a voltage pulse of an electric component by easily determining a slice level. CONSTITUTION: An electronic component(12) is loaded on a stage(14). An electronic beam(EB) is emitted to the electronic component(12) on the stage(14) through a magnetic field lens(18), a polarizing plate(20), an iris(22), a magnetic field lens(24), a polarizer(26), an analyzing grid(28) and an object lens(34). A detector(36) detects a secondary electron(SE) from the electronic component(12). The detector(36) converts the secondary electron(SE) into a voltage value. An amplifier(38) amplifies the voltage value. An A/D converter(40) converts the amplified voltage value into a digital signal. A control device(42) is connected to a keyboard(44) and a display device(46). The control device(42) controls a driver(48) and then controls an electronic beam drum(10).
Patent KR-20000023288-A (KR)
Inventor: YASHIKI HIROSHI
IPC: B24B7/24
Filed: 1999-09-18
Abstract: PURPOSE: A method for precisely grinding glass is provided to efficiently conduct high precision mirror production. CONSTITUTION: A method is completed by compressing a fixed glass plate by a delivering plate on a precision grinder rotating in a wanted direction as the surfaces of two compressing boards are attached to plural pellet typed grinding stone, and grinding the glass plate while supplying aqueous slurry containing the fine particle of serum oxide. The pellet typed grinding stone contains the fine particle of a diamond abrasive. A real surface area of the grinding stone apex is 30 to 70% of the whole compressing board area. Also the concentration of serum oxide is 2 to 30 wt%.