baber/WOPTO huggingface dataset:
Patent KR-20020025593-A (KR)
Title: Ink-jet printer head
Inventor: KIM MIN SU
IPC: B41J2/035
Filed: 2000-09-29
Abstract: PURPOSE: A head of ink jet printer is provided to adjust flow resistance in an ink supplying passage to prevent backflow of ink unrestrictedly by sectional area of the ink supplying passage. CONSTITUTION: A head includes a printed circuit board(10); a heating part(20); an ink chamber barrier(40); a nozzle plate(30); and a first passage connecting part(13). The printed circuit board has a main supplying passage(11) penetrating a central part thereof to supply ink and an ink supplying passage(12) vertically and fluidically connected with the main supplying passage. The heating part is formed on the printed circuit board. The ink chamber barrier is layered on the printed circuit board to form side walls of an ink chamber(41) filled with ink and an upper surface of the ink supplying passage. The nozzle plate is layered on the ink chamber barrier and has a nozzle facing the heating part. The first passage connecting part connects the ink chamber with the ink supplying passage. Flow resistance of ink is increased by area of the first passage connecting part.
Patent KR-20010077889-A (KR)
Title: Method for forming contact in semiconductor device
Inventor: BAN HYO DONG
IPC: H01L27/10
Filed: 2000-10-04
Abstract: PURPOSE: A method for forming a contact of a semiconductor device is provided to decrease the ohmic contact resistance between a material layer exposed via the contact and a material layer to fill the contact by increasing the density of conductive impurity in the only contact. CONSTITUTION: A pad polysilicon layer(32) is formed on an active region(12) of a cell array. When a spacer(30) is formed on an NMOS transistor region, the upper side of a gate of the cell array region is open and the spacer(30) is etched. Therefore, a gate capping insulating film(22) is left in the cell array region, the active region(12) of the NMOS transistor and a contact region of a gate node by a depth. Next, by ion-injecting a conductive impurity, ions are injected on a direct pad polysilicon layer of the cell array region and a buried pad polysilicon layer simultaneously. The conductive impurity is passed through the remaining gate capping insulating film(22) to inject on the upper side of the gate, so that the contact resistance is decreased.
Patent KR-20020031441-A (KR)
Title: Soundproofing walls
Inventor: PARK CHUN JONG
IPC: E01F8/00
Filed: 2000-10-20
Abstract: PURPOSE: A soundproof wall is provided to absorb sounds generated around road or outer blocks such as resident places, or edges of rails passing automobiles by laminating wood materials and forming specified circular area of the wall. CONSTITUTION: The soundproof wall is built by standing a strut(3) on bottom portion of a column(1) having inserting portions(2) at both sides; laminating a plurality of sound absorbing rods(4) inserted into the inserting portions(2) without gaps; forming joint portions(5) at upper and lower portions of the sound absorbing rods(4) and inserting a coupler(6) between the joint portions to connect the rods; and forming a dented portion(7) provided with a sound absorbing material(8) into front side of the sound absorbing rods(4). Upper and lower portions of the rods(4), grooves and projections are formed, respectively, and interconnected each other. Uppermost end of the rod(4), a ridge(11) is provided.
Patent KR-20010051246-A (KR)
Title: Power take-off unit having two-piece output gear assembly
Inventor: BRIAN L LANG
IPC: B60K17/28
Filed: 2000-10-25
Abstract: PURPOSE: A power take-off unit having two-piece output gear assembly is provided to minimize the cost and expense of manufacture and inventory and to be more readily adaptable for varying the overall speed reduction gear ratio of the power take-off unit. CONSTITUTION: A power take-off unit(40) includes a rigid housing(41) having an input gear(42) rotatably supported therein. An output gear assembly is rotatably supported within the housing. The output gear assembly(50) includes a toothed gear member(51a) and a bell member(52b) that are splined together. The toothed gear member(51a) meshes with the input gear(42) such that it and the bell member(52b) are rotatably driven thereby. The bell member is selectively connected through the clutch assembly(60) to an output shaft(54) that is rotatably supported on the power take-off housing(41). The output shaft(54) extends outwardly from the housing of the power take-off unit(41) and is adapted to be connected to a rotatably driven accessory. The two-piece structure of the output gear assembly(50) minimizes the cost and expense of manufacture and inventory and is more readily adaptable for varying the overall speed reduction gear ratio of the power take-off unit(40) as desired.
Patent KR-20020034537-A (KR)
Inventor: KIM SUK HWAN
IPC: B23K10/00
Filed: 2000-11-02
Abstract: PURPOSE: A method is provided which more economically manufactures a plasma cutting electrode having superior electrode characteristics, a long life cycle and stability of the life cycle. CONSTITUTION: In a method for manufacturing a plasma cutting electrode(20) comprising an electrode holder(21) comprising a channel(211) for circulating cooling water and an insert insertion part(212) into which an operation insert(22) is inserted; an operation insert(22) inserted into the insert insertion part(212); and an insertion metal inserted between the insert insertion part(212) of the electrode holder(21) and the operation insert(22), the method comprises the steps of forming a hole(24) on the operation insert(22) insertion part after preparing a Cu or Cu alloy electrode holder(21); positioning into the hole(24) an operation insert(22) consisting of a Zr, Zr alloy, Hf or Hf alloy and having a diameter less than that of the hole(24) after positioning an insertion metal consisting of silver or silver based alloy at the bottom part of the hole(24); positioning the insertion metal consisting of silver or silver based alloy at the front part of the insert insertion part(212) of the electrode holder(21) so that a molten solution of the insertion metal is inserted between the electrode holder(21) and the operation insert(22); and performing brazing by maintaining the insertion metal to a temperature which is 30 to 100 deg.C higher than a melting point of the insertion metal for 5 to 15 minutes.
Patent KR-20020038036-A (KR)
Inventor: CHOI JUN
IPC: H05B3/20
Filed: 2000-11-16
Abstract: PURPOSE: A plane conductor reinforced with fiber is provided to form the plane conductor having a constant resistance value by improving an electric characteristic and a mechanical characteristic of the plane conductor. CONSTITUTION: The powder(1) of a conductive material is mixed with a synthetic resin(2). A conductive powder paste is manufactured by mixing the powder(1) of the conductive material with the synthetic resin(2). The conductive powder paste is coated on a reinforcing fiber(3). A plane conductor(4) is manufactured by drying the conductive powder paste coated on the reinforcing fiber(3) after the coating process is completed. The conductive powder(1) is formed mainly by carbon or boron. The reinforcing fiber is formed mainly by the synthetic fiber such as a polyester fiber and a poly-acrylic fiber or a woven fabric of a natural fiber such as cotton, flax, and ramie fabric. A multitude of electrode is formed in a predetermined interval on the plane conductor(4).
Patent KR-20020038101-A (KR)
Title: Seat belt distortion prevention
Inventor: JUNG JE PIL
IPC: B60R22/00
Filed: 2000-11-16
Abstract: PURPOSE: A structure of a seat belt is provided to prevent the seat belt from being twisted by preventing the seat belt from being bent when the seat belt moves into a coupling hole of an anchor. CONSTITUTION: A seat belt is coupled into a coupling hole(21) formed in an anchor(20). The seat belt is inputted into and outputted from a locking reflector. A guide hole(11) is formed at a center of the seat belt(10) in a longitudinal direction. A guide section(22) inserted into the guide slot is formed at a center of the coupling hole(21) of the anchor(20). When a user operates the seat belt(10), the guide section(22) formed on the seat belt(10) is moved along the guide section(22) formed at the center of the coupling hole(21) of the anchor(20), so the seat belt(10) is not bent when inserting into the coupling hole(21).
Patent KR-20020041118-A (KR)
Title: Treating and Prophylactic Preparation for Poultry Newcastle Disease
Inventor: KIM YONG CHEOL
IPC: A61K31/435
Filed: 2000-11-27
Abstract: PURPOSE: A formulation containing cetylpyridinium chloride having excellent virucidal activity against Newcastle disease viruses is provided which exhibits an exact virucidal effect against Newcastle disease virus. CONSTITUTION: A formulation having a cetylpyridinium chloride content of 1ppm or more as an effective ingredient is administered in the form of a formulation alone or a mixture of feed and drinking water to poultry, in particular chickens. The formulation is strayed in breeding installations, surroundings thereof or a breeding cage.
Patent KR-20010098373-A (KR)
Title: 표시 패널의 통기관 접착 방법
IPC: H01J9/385
Filed: 2000-11-30
Abstract: 본 발명은 표시 패널의 통기관 접착 방법에 관한 것으로, 대략 평탄한 단면의 플랜지를 갖는 통기관과, 통기관 플랜지의 외주에 끼워 맞춰지는 접착 부재를 준비하고, 통기관과 접착 부재를 표시 패널의 통기공에 배치하여, 플랜지를 클립으로 표시 패널면에 누르고, 통기관을 표시 패널에 접착시킴으로써, 접착 부재의 통기관 내로의 침입 또는 클립에 대한 부착을 방지하는 것을 과제로 한다. 
     본 발명은 대략 평탄한 단면의 플랜지를 갖는 통 형상의 통기관과, 통기관 플랜지의 외주에 끼워 맞춰지는 링 형상의 접착 부재를 준비하고, 표시 패널 상에 통기관과 접착 부재를 통기관 플랜지의 단면을 표시 패널에 접촉시켜, 통기공이 통기관의 개구로 덮이도록 배치하고, 통기관의 플랜지를 누름 도구에 의해 표시 패널면에 눌러 통기관을 고정시킨 후, 접착 부재가 연화되는 온도로 가열함으로써, 접착 부재의 융착으로 통기관의 플랜지를 표시 패널에 접착시킨다.
Patent KR-20020042309-A (KR)
Title: Method for manufacturing semiconductor semiconductor memory device
Inventor: OH JAE HUI
IPC: H01L21/24
Filed: 2000-11-30
Abstract: PURPOSE: A fabrication method of a semiconductor memory device is provided to simplify manufacturing processes by selectively forming a transition metal silicide layer using a hard density plasma insulating layer. CONSTITUTION: Silicide prevention layers made of a buffer insulating layer(64) and a silicon nitride(66) is deposited on a substrate(50) defined with DRAM cell region(B1) and a logic cell region(B2) respectively having gate electrodes(g), source regions(60a,62a), and drain regions(60b,62b). The first transition metal silicide layers(70a,70b) are selectively formed on the gate electrodes(g), source and drain regions(60a,60b,62a,62b) in the logic cell region(B2). An etch stopper(72) is deposited on the resultant structure and a hard density plasma insulating layer(74) is then formed to fill the gap between the gate electrodes(g). The hard density plasma insulating layer(74), the etch stopper(72) and the silicide prevention layers(64,66) are etched to expose the gate electrodes(g) in the DRAM cell region(B1). Then, the second transition metal silicide layer(78) is formed on the gate electrodes(g) in the exposed DRAM cell region(B1).
Patent KR-20020042955-A (KR)
Title: Device for cooling burnt lime in Rotary-Kiln
Inventor: JUNG SEOK CHEON
IPC: F27B7/00
Filed: 2000-12-01
Abstract: PURPOSE: A device for lowering product temperature of calcium oxide in a rotary kiln is provided to lower product temperature of calcium oxide by restraining radiation heat generated from burner flame during manufacturing of calcium oxide in the rotary kiln from being transferred into a burner room and a cooler. CONSTITUTION: The device for lowering product temperature of calcium oxide in a rotary kiln comprises a radiation plate(60) which is slantly installed in an inclined angle of 0 to 40 degrees starting from a direction perpendicular to the burner frame on the outer circumferential part of a burner frame(62) in which the rotary kiln and the burner room are alternated to suppress transfer of radiation heat between a rotating rotary kiln and a burner room, wherein the radiation plate(60) forms a disk type external shape having a certain diameter in such a way that the radiation plate is spaced apart from the inner circumferential surface of the rotary kiln in a certain distance, a central hole(64) and vent holes are formed on a body(62) of the radiation plate(60) so that the central hole(64) is inserted and fixed onto the burner frame, and air is smoothly flown through the vent holes, the body(62) of the radiation plate(60) is made of a 316 stainless steel plate to resist an internal temperature of the rotary kiln due to flame radiation and pressure for velocity of cooling air flown into the rotary kiln from a cooler, and a plurality of the vent holes are arranged on a circumference distanced from the center of the inner part of the body(62) in a certain distance with the vent holes being spaced apart from each other in an equal distance and equipped with a stainless steel net(68) having the same material as the body at the inside of the vent holes to reduce resistance against flow of cooling air flown into from the lower part.
Patent KR-20010062099-A (KR)
Inventor: SUZUKI YASUHUMI
IPC: F21Y101/00
Filed: 2000-12-02
Abstract: PURPOSE: To improve the visibility at a curve. CONSTITUTION: A diffusive light distribution pattern WP can be changed to a fixed reference light distribution pattern LP by rotating a lower reflector 3 to an upper reflector 2. As a result, the visibility at a curve can be improved. The lower reflector 3 is rotatably mounted in an opening 23 of the upper reflector 2. As a result, the design of a luminous surface is not impaired and the rigidity of the upper reflector 2 is not lowered, as the circumference of the lower reflector 3 at a movable side is surrounded by the upper reflector 2 at a fixed side, and the shape of the upper reflector 2 is not changed even in the rotation of the lower reflector 3.
Patent KR-20020044345-A (KR)
Title: Voice mail delivery method using extension telephone
Inventor: KIM JI HYEON
IPC: H04M3/58
Filed: 2000-12-05
Abstract: PURPOSE: A method for transferring a voice message using an extension is provided to transfer a voice message to a subscriber using a basic extension system, without the necessity of installing an additional equipment. CONSTITUTION: In an idle state, if the state of a subscriber's extension is changed into a hook-on state after an immediate hook-off state, an exchange judges that the subscriber is absent. The exchange checks whether there is a received message for the hook-off extension. If there is no received message, the exchange returns to the idle state. In case that a received message exists, the exchange makes a telephone call to the subscriber. If the subscriber doesn't respond to the call, the exchange returns to the idle state. If the subscriber responds to the call, the exchange transfers the received message to the subscriber. If the service is completed and the call is recovered, the exchange returns to the idle state after updating received message information.
Patent KR-20020045364-A (KR)
Title: Optical pickup apparatus for capable of detecting and/or compensating spherical abberation
Inventor: AHN YEONG MAN
IPC: G11B7/1381
Filed: 2000-12-08
Abstract: PURPOSE: An optical pickup unit capable of detecting/compensating a spherical aberration is provided to divide a specific optical beam area having a big change of an intensity distribution caused by a substrate thickness change of a recording medium, and to obtain a spherical aberration signal, thus exactly detecting the spherical aberration generated by a substrate thickness deviation. CONSTITUTION: A light source(51) generates an optical beam. An objective lens(57) focuses the incident optical beam, to make the focused optical beam created as an optical spot on a recording medium. An optical path converter is arranged on an optical path between the light source and the objective lens, and converts a path of the incident optical beam. An optical divider and a detector(61, 65) divide a specific optical beam area into many optical beam areas, and detect the beam areas. The specific optical beam has a big change of an intensity distribution in accordance with a substrate thickness change of the recording medium of the optical beam, which passes through the objective lens by being reflected and diffracted on the recording medium. A spherical aberration detecting circuit(70) arithmetically operates many detecting signals for the specific optical beam area, and detects a spherical aberration in accordance with the substrate thickness change of the recording medium.
Patent KR-20020047911-A (KR)
Title: Cushion amount stabilizing system of clutch disc
Inventor: HUH YEONG WAN
IPC: F16D13/64
Filed: 2000-12-14
Abstract: PURPOSE: A stabilizing apparatus of a clutch disk is provided to prevent failure in shifting gears, and to improve driving experience by restricting stroke of a cushion plate with a clutch facing rivet. CONSTITUTION: A clutch disk of a vehicle is composed of a spline hub, a hub plate, a friction facing(12), a cushion plate(14), a disk plate, a disk facing, a free damper installed around the hub, and a main damper installed in the disk plate. The cushion plate is inserted to the friction facing, and a stabilizing facing rivet is installed in a cushion rivet hole of the cushion plate. The stabilizing facing rivet has a rivet head part(32) and a step part(34) restricting stroke of the cushion plate. The friction facing is assembled with the cushion plate. Stroke is restricted with forming the step part of the facing rivet. Driving experience is improved, and shifting failure and noise are prevented with controlling stroke by modifying the facing rivet.
Patent KR-20020048452-A (KR)
Title: Automacit folding seat structure for micro bus
Inventor: KIM SU GWANG
IPC: B60N2/00
Filed: 2000-12-14
Abstract: PURPOSE: A structure of an automatic folding auxiliary seat for a light bus is provided to make passengers be easily able to go to the seats of the rear low and to improve convenience by making the seat back unfolded together by the simple operation unfolding the cushion. CONSTITUTION: A structure of an automatic folding auxiliary seat for a light bus has a low of seats to a side or an auxiliary seat(110) installed on the panel by a hinge. A torsion bar(14) is installed to the lower part of the auxiliary seat to be vertically restored always in the condition of the unfolded cushion(111). The cushion has a gear structure so that the seat back(112) can be fold by the restoring force of the torsion bar. The gear structure is composed of a first gear(11) rotating in the same direction with the rotating direction of the torsion bar, a second gear(12) engaged with the first gear and equipped with bevel gears(15,15a), and a third gear(13) installed to a rotating shaft of the seat back and engaged with the bevel gear.
Patent KR-20020048139-A (KR)
Title: A fall preventive system for an airplaen
Inventor: BAEK BYUNG RYONG
IPC: B64D17/80
Filed: 2000-12-16
Abstract: PURPOSE: A crash preventer for an airplane is provided to safely spread a parachute by rapidly injecting air into an airframe and to reduce damage caused by a crash accident. CONSTITUTION: A device for preventing a crash of an air plane comprises a parachute(10) having an air frame to be expanded by air; a receiving unit(20) containing the parachute on an upper portion of a fuselage; an injecting unit injecting the air into the parachute; an airboat(40) extended while landing on water; a controlling unit(50) injecting the air by opening the receiving unit; a cover(21) opening or closing an upper portion of the receiving unit; a fixer(22) fixing the cover; a sensor(23) operating the fixer by a signal; a bombe(31) reserving liquefied gas; an opening valve(32) opening or closing the bombe; and a transferring pipe(33) carrying the air discharged from the bombe. The airboat is quickly expanded by the air discharged from the bombe.
Patent KR-20020049832-A (KR)
Title: Fabricating method of resonator
Inventor: KIM GEUN HO
IPC: H01P7/08
Filed: 2000-12-20
Abstract: PURPOSE: A method for manufacturing a resonator is provided to decrease the manufacturing process by minimizing a cavity surface roughness of an air cavity. CONSTITUTION: A photoresist(PR11) is coated and patterned on the upper surface of a substrate(11) comprised of a silicon, a quartz, or a glass. A portion of the substrate(11) is exposed. A first metallic layer(12) is deposited on the upper surface of the exposed result according to a lower curvature, thereby forming a cavity(13). A second metallic layer(16) is deposited on the upper surface of an insulating substrate(14) and patterned to form an antenna. A third metallic layer is formed on the lower surface of the insulating substrate(14) and then a slot is patterned to allow a high-frequency signal transmitted through the second metallic layer(16) to input to the cavity(13). This process forms an antenna unit. The first and third metallic layers are jointed.
Patent KR-20020049839-A (KR)
Title: Interior garden with air cleaning function
Inventor: HUH BAEK YEOL
IPC: A01G9/02
Filed: 2000-12-20
Abstract: PURPOSE: An indoor garden having the air-cleaning function is provided, thereby controlling the indoor air condition and humidity properly. CONSTITUTION: The indoor garden having the air-cleaning function comprises a planter(10) containing water; a draining plate(20) which is combined with the lower inner side of the planter(10) and has numerous holes(21); culturing soil(30) which is contained on the draining plate(20) within the planter(10) and has a plant to be grown; a ventilation means(50) which circulates the indoor air through the culturing soil(30); a water pump(70) which is placed in water and pumps water in a water layer(WL) of the planter(10); a water-dropping pipe(72) which is connected to a draining pipe(71) of the water pump(70) and supplying water into the culturing soil(30); and a water gauge(60) which detects the water-level of the planter(10).
Patent KR-20020049934-A (KR)
Title: Method of manufacturing a transistor in a semiconductor device
Inventor: SHIN WON HO
IPC: H01L21/336
Filed: 2000-12-20
Abstract: PURPOSE: A method for fabricating a transistor of semiconductor device is provided to prevent an electrode from being damaged by an etch rate difference of a polysilicon layer, by transforming an amorphous polysilicon layer into the polysilicon layer and by forming a dual gate electrode. CONSTITUTION: A gate oxide layer(203) and the amorphous polysilicon layer(204) are sequentially formed on a semiconductor substrate(201) having the first and second regions. A predetermined region of the amorphous polysilicon layer and the gate oxide layer is patterned to be on the semiconductor substrate. The second impurity ion implantation process is performed to form the first low density impurity region(205) after the first impurity ion implantation process. The fourth impurity ion implantation process is performed to form the second low density impurity region(206) after the third impurity ion implantation process. After an insulation layer is formed, a polishing process is performed to expose the amorphous polysilicon layer. The fifth and sixth impurity ion implantation processes are performed to form the first and second polysilicon layers, respectively. A tungsten nitride layer(210), a tungsten layer(211) and a hard mask layer(212) are sequentially formed. A predetermined region of the hard mask layer, the tungsten layer and the tungsten nitride layer is etched. The insulation layer is etched to form a gate pattern. A spacer(213) is formed on the sidewall of the gate pattern. The seventh and eighth impurity ion implantation processes are performed to form the first and second junction regions(214,215) in the first and second regions.