baber/WOPTO huggingface dataset:
Patent KR-20040007798-A (KR)
Title: LDD spacer forming method of semiconductor device
Inventor: AHN JUN GYU
IPC: H01L29/78
Filed: 2002-07-11
Abstract: PURPOSE: A method for forming an LDD spacer of a semiconductor device is provided to minimize the damage of active region and the loss of field oxide layer in an LDD spacer dry etch process by forming an LDD spacer of NONO(Nitride-Oxide-Nitride-Oxide). CONSTITUTION: An oxide layer(100), the first nitride layer(200), and an ion implantation blocking oxide layer are formed on a semiconductor substrate(50). A photoresist layer is formed on the ion implantation blocking oxide layer. The ion implantation blocking oxide layer, the first nitride layer(200), and the oxide layer(100) are etched and a gate oxide layer(500) is formed thereon. A polysilicon layer is formed on the gate oxide layer(500). A gate(600a) is formed by performing a CMP process. A buffer oxide layer(700a) is formed on the gate(600a) and the first nitride layer(200). The second nitride layer(800a) is formed on the buffer oxide layer(700a). An LDD spacer is formed by performing an LDD dry etch process.
Patent KR-20030011690-A (KR)
Inventor: BRUCE ROBERT W
IPC: C23C28/00
Filed: 2002-07-30
Abstract: PURPOSE: A thermal barrier coating system is provided, to use the coating system the metal alloy component exposed to the violent thermal and chemical environment such as the metallic component of a gas turbine engine. CONSTITUTION: The thermal barrier coating system(10) comprises a thermal insulating ceramic layer(12) which is formed by the dense vertical cracking vapor deposition process and comprises about 1-6 wt% of yttria, 0-1 wt% of hafnia (HfO2) and the balance of zirconia. Preferably the thermal barrier coating system comprises further a bond coating(14) for adhering the thermal insulating layer to the metallic component of an gas turbine engine Preferably the bond coating is formed by using an oxidation-resistant alloy of MCrAlY (wherein M is iron, cobalt, and/or nickel), a diffusion aluminide or platinum aluminide; and the thickness of the thermal insulating ceramic layer is about 5-100 mm.
Patent KR-20040012010-A (KR)
Inventor: BANG HYEON U
IPC: G01N33/49
Filed: 2002-07-31
Abstract: PURPOSE: Provided is a cell counter and a method for manufacturing the same by using semiconductor processing technique and molding technique, thereby manufacturing the cell counter having a accurately controlled size. CONSTITUTION: In a cell counter for blood cells or bacteria cells, it is characterized by comprising a main body manufactured by transparent plastic, at least one projection providing a measurement space to the main body, and at least one decision portion which is formed on the space provided by the projection and consists of a decision part with latticed patterns and a compartment part. The main body and projection are composed of poly dimethyl siloxane. It further comprises a glass cover.
Patent KR-20040013293-A (KR)
Title: Semiconductor device and method for forming the same
Inventor: JUNG MUN MO
IPC: H01L27/10
Filed: 2002-08-05
Abstract: PURPOSE: A method for fabricating a semiconductor device is provided to simplify a fabricating process by simultaneously forming contacts in a cell region and a peripheral circuit/core region while performing a photolithography process once. CONSTITUTION: An isolation layer(210) is formed in a semiconductor substrate(200) which is divided into the cell region(201) and the peripheral circuit/core region(202). A gate(220) including a capping layer and a spacer is formed on the semiconductor substrate. A polysilicon layer is formed on the substrate between the gates, separated by the gates. The polysilicon layer on the isolation layer is etched to form an opening. The opening is gap-filled with the first interlayer dielectric. The polysilicon layer is silicidated to form a silicide layer(255). The second interlayer dielectric is formed on the substrate. The contacts(291,293,295) are formed to expose the silicide layer on the cell region, the gate and the substrate in the peripheral circuit/core region.
Patent KR-20040013636-A (KR)
Title: Laser scanning device for electrophotographic printer
Inventor: SIM HYEONG SEOK
IPC: G03G15/06
Filed: 2002-08-07
Abstract: PURPOSE: A light scanning device for an electro-photographic printer is provided to incorporate a plurality of a laser scanning unit in a single module and mount the module in the printer after each scanning position of laser beams is controlled, thereby easily and precisely controlling the laser beam scanning positions of the laser scanning units. CONSTITUTION: A light scanning device for an electro-photographic printer includes a plurality of laser scanning units(151), a housing(154), and rotation supporting elements(157). The laser scanning units are mounted in the housing by a predetermined interval for scanning laser beams for forming electrostatic latent images to photosensitive drums. The laser scanning units are mounted in the housing rotatably in a plurality of axial directions. The rotation supporting elements make the rolling and pitching of the laser scanning units individually with respect to first and second hinge shafts(151a,157b) in the housing, thereby carrying out the position control of the laser scanning units.
Patent KR-20040014776-A (KR)
Title: Sun visor retainer of automobile
Inventor: JUNG BYEONG TAE
IPC: B60J3/00
Filed: 2002-08-12
Abstract: PURPOSE: A sun visor retainer of a vehicle is provided to simply operate the sun visor with small operating force and to prolong the life span of the retainer. CONSTITUTION: A sun visor retainer of a vehicle comprises a retainer body(24), a support part-fixing unit(28), and a locking unit(32). The retainer body is fixed to a head lining(3) and the retainer body forms an open part(25) on a side and forms the bottom surface as a support surface. A groove(27) is formed to the upper part of the open part. The support part-fixing unit integrally forms support protrusions(29). A coil spring(30) is wound around one of the support protrusions and the ends of the support protrusion are fixed to the inner wall of the groove and to the support part-fixing unit. An arc-shaped support groove(31) is formed to the support part-fixing unit. The locking unit comprises a fixing protrusion(33) and a latch(34). The fixing protrusion is integrally formed to the support part-fixing unit. The latch is installed to the groove.
Patent KR-20040014783-A (KR)
Title: Cooking pan and manufacturing method of it
Inventor: LEE MYUNG GON
IPC: A47J36/02
Filed: 2002-08-12
Abstract: PURPOSE: A cooking pan and manufacturing method thereof is provided to reduce working processes and manufacturing costs by manufacturing the cooking pan by a cold press work. CONSTITUTION: in a cooking pan(1), a bottom plate(2) is fixed to the bottom of a pan body(3) made of aluminum or zinc. A plurality of small holes(2a) and first protrusions(2c) are formed at the bottom plate, simultaneously. A large hole(2b) and a second protrusion(2d) are formed at the center of the bottom plate. A third protrusion(2e) is formed at the circumference of the bottom plate. The protrusions are stuck into the outer bottom of the pan body.
Patent KR-20040016552-A (KR)
Title: Hydrocarbon steam cracking catalyst for olefin preparation, method for preparing the same, and olefin preparation method using the same
Inventor: CHAE JONG HYEON
IPC: C10G11/02
Filed: 2002-08-19
Abstract: PURPOSE: A catalyst for the pyrolysis of hydrocarbon vapor, its preparation method and a method for preparing an olefin by using the catalyst are provided, to improve the production yield of olefins and to reduce the generation of coke in the preparation of olefins and to enhance the thermal stability of a catalyst. CONSTITUTION: The catalyst comprises potassium phosphorate. Preferably the potassium phosphorate is supported in a carrier, and the carrier is selected from the group consisting of α-alumina, silica, silica-alumina, zirconium oxide, magnesium oxide, magnesium aluminate, calcium aluminate and zeolite. The catalyst is prepared by dissolving potassium phosphorate or its precursor in water to prepare a potassium phosphorate precursor aqueous solution; soaking a carrier to the aqueous solution; and optionally sintering the carrier-supported one. Preferably the sintering is performed at a temperature of 750-1,500 deg.C for at least 4 hours. Also the catalyst is prepared by mixing potassium phosphorate or its precursor powder with metal oxide powder; and sintering the mixture.
Patent KR-20040020084-A (KR)
Title: An Optical Add/Drop Apparatus
Inventor: CHO SEUNG HYEON
IPC: G02B6/34
Filed: 2002-08-29
Abstract: PURPOSE: An apparatus for inserting and extracting an optical signal is provided to make its structure simple in comparison with an optical circulation apparatus by utilizing an optical divide coupling device and an optical fiber Bragg grating in place with an optical circulation apparatus and a Bragg grating. CONSTITUTION: An apparatus(400) for inserting and extracting an optical signal includes an optical inputting and extracting block, an optical transmitting and reflecting block and an optical signal insertion/extracting block. The optical inputting and extracting block inputs an optical signal of wavelength divisional multiplex multi-wavelength and outputs the optical signal by dividing the optical signal corresponding to the set coupling ratio among the inputted multi-wavelength optical signals. The optical inputting and extracting block extracts the optical signal of a specific wavelength reflected from the outputted optical signals. The optical transmitting and reflecting block reflects the optical signal of the specific wavelength among the multi-wavelengths of the optical signals outputted from the optical inputting and extracting block. The optical transmitting and reflecting block transmits the optical signal of the remaining wavelengths. And, the optical signal insertion/extracting block outputs the optical signal by dividing the optical signal corresponding to the set coupling ratio among the inputted optical signals of multi-wavelengths and inserts the optical signal having a specific wavelength.
Patent KR-20040021455-A (KR)
Title: Book of address managing and message transmission method for mobile communication terminal
Inventor: KOO BON HYEOK
IPC: H04B1/40
Filed: 2002-09-04
Abstract: PURPOSE: A method for managing an address directory and transmitting a message in a mobile terminal is provided to easily search an address directory by managing the address directory in the form of a tree and to easily transfer a group message by simplifying the preparation of a list. CONSTITUTION: If a user inputs an arbitrary phone number and pushes a storage button(11), the mobile terminal displays the inputted phone number and a menu bar to appoint a group for the inputted phone number(13). If the user pushes a search button, the mobile terminal displays the address directory in a tree structure divided into many groups and waits until the user selects a desired group(14). If the user selects a group of 'friend' and pushes a selection button, the mobile terminal displays 'friend' as a group name on the menu bar(15).
Patent KR-20030035849-A (KR)
Inventor: OGAWA ATSUSHI
IPC: F16B19/00
Filed: 2002-09-07
Abstract: PURPOSE: To provide a clip capable of making an installed member inseparable from an installing member and making the installing member removable together with the installed member when the installing member is removed from the installed member. CONSTITUTION: In the clip C in which the clip is detachably installed to an instrument panel 21 and a center cluster 11 is detachably installed to the instrument panel 21, a pair of fixing pieces 5A and 5B, are arranged which are stuck out at a slant so that the distance of the fixing pieces are narrowed to an inserting direction X of a rib 12 of the center cluster 11 to be inserted and fixing portions 5a and 5b are connected with a connecting hole 12b of the rib 12.
Patent KR-20040024667-A (KR)
Title: Embroidery Method, Embroidery Machine and Embroidered Clothes
Inventor: LEE HYUK
IPC: D05C11/02
Filed: 2002-09-16
Abstract: PURPOSE: An embroidering method and an embroidering machine are characterized by embroidering textile without thread, being installed simply, having excellent productivity and reducing a process cost. An embroidered textile has faint pattern. CONSTITUTION: An embroidering machine comprises: a base plate(302) fixed on a frame(301); a needle hole formed on the base plate(302); a textile transferring plate(303) fixing and transferring a textile; a needle holding part(304) set on the frame(301); a computer(305) programming a transferring path of the textile transferring plate(303); and an embroidering needle set on the needle holding part(304). The embroidering needle is characterized by having many inclined spines on a lower part of a main body. An embroidering method is the steps of: setting the textile on the textile transferring plate(303); transferring the textile transferring plate(303) according to the proper path; and then passing the needle through the textile up and down.
Patent KR-20040024786-A (KR)
Title: System and Method for Providing Pet Name Service of Calling Party in Wired/Wireless Communication Network
Inventor: HAM HUI HYEOK
IPC: H04M3/64
Filed: 2002-09-16
Abstract: PURPOSE: A system and a method are provided to allow the destination party to easily recognize the sender by transmitting the nickname of the sender to the terminal of the destination party prior to the start of speech. CONSTITUTION: A wireless communication system(30) stores whether a subscriber uses a nickname service or not to a wire exchange of a wire communication system or a home location register of a wireless communication system where the subscriber information is stored, when the subscriber intends to transmit his/her nickname to the destination terminal. A nickname service providing system(40) receives a nickname transmission request signal from the wire or wireless communication system when the subscriber tries a message transmission, extracting the nickname designated by the subscriber, generating a nickname message, and transmitting the nickname message to the wire or wireless communication system.
Patent KR-20030027684-A (KR)
Title: Transflective liquid crystal device and electronic apparatus using the same
Inventor: OZAWA KINYA
IPC: G02F1/1335
Filed: 2002-09-24
Abstract: PURPOSE: A transflective liquid crystal device and an electronic apparatus thereby are provided to improve the image quality in spite of misalignment of liquid crystal molecules in the border of the transmissive display region and the reflective display region by reducing transmission of light in the overlapped slopes with using the multi-gap type liquid crystal device. CONSTITUTION: A liquid crystal device(1) includes a first transparent substrate(10) with a first transparent electrode(11) formed on the surface thereof, a second transparent substrate(20) with a second transparent electrode(21) formed thereon, and a liquid crystal layer(50). A light reflecting layer(4) defining a reflective display region(31) and a transmissive display region(32) is formed on each pixel region(3). A layer-thickness adjusting layer(6) where a region corresponding to the transmissive display region constitutes an opening(61), is formed on the upper layer side of the light reflecting layer. The thickness-adjusting layer has slopes(60) at boundaries between the reflective display regions and the transmissive display regions. The upper ends and the ends of the light-reflecting layer overlap each other in plan view.
Patent KR-20030026907-A (KR)
Inventor: HOSOKAWA ATSUSHI
IPC: F16J15/3232
Filed: 2002-09-25
Abstract: PURPOSE: To provide a rotation shaft seal exhibiting enhanced durability by reducing abrasion of a contact part sealing a seal member even when a pressure of a fluid to be sealed is high. CONSTITUTION: This rotation shaft seal intervening between a housing 31 and a rotating shaft 32 is provided with a rubber seal member 5 having a lip tip part 13 extending to a fluid storage chamber 33 side in a contracting manner, and the lip tip part 13 is provided with the contact part 21 to be brought into contact with a surface of the rotating shaft 32, and a tip surface 22 opposing to the rotating shaft 32. Further, a recessed part 25 receiving a pressure in the fluid storage chamber 33 and generating radial direction component force to push up the lip tip part 13 to a direction of enlarging the diameter is formed on the tip surface 22.
Patent KR-20040031905-A (KR)
Title: Reticle particle check box which can self-remove particles on reticle
Inventor: KIM YEONG GEUN
IPC: H01L21/027
Filed: 2002-10-07
Abstract: PURPOSE: A reticle particle check box having a self particle removing function is provided to be capable of reducing the replacement time of a reticle and preventing the quality and yield deterioration of the reticle due to defects. CONSTITUTION: A reticle particle check box is installed in a frame for checking particles of a reticle. At this time, the frame has a reticle inlet port. The reticle particle check box is provided with a sensor(142) for detecting the reticle when approaching to the reticle inlet port, a gas jet line(120) loaded at the outer portion of the frame near the reticle inlet port for jetting high pressure gas toward the reticle surface, and a vacuum suction line(130) loaded at one lateral portion of the gas jet line for exhausting the particles of the reticle and the high pressure gas.
Patent KR-20040032323-A (KR)
Title: An insoluble electrode on which a platinum contained oxide covering is formed and its manufacturing method
Inventor: PARK DAE KEUN
IPC: C02F1/46
Filed: 2002-10-09
Abstract: PURPOSE: Provided are an insoluble electrode on which platinum based oxides are coated and a method for manufacturing the same, which has higher reactivity and durability than that of conventional electrode and can be produced at low cost. CONSTITUTION: The method comprises the steps of preparing a metal electrode (1), plating iridium layer (2) onto the metal electrode by electroplating method with potassium iridium chloride dissolved in oxalic acid under 0.1 to 1.0V, and thermally depositing oxide layer (3) based on platinum onto the iridium layer (2), wherein the oxide layer (3) contains at least three elements selected from a group consisted of Pt, Sn, Ir, Ru and TiO2.
Patent KR-20030033942-A (KR)
Title: Cores for use in precision investment casting
Inventor: SHAH DILIP M
IPC: B22C9/04
Filed: 2002-10-21
Abstract: PURPOSE: Provided are cores for using an investment casting process which have improved mechanical properties, which are made in thinner thicknesses than current ceramic cores, and which are resistant to thermal shock during the casting process. CONSTITUTION: A composite core for use in an investment casting process includes a ceramic(120); and a refractory metal(200) attached to the ceramic(120), the refractory metal(200) coated with an oxidation resistant coating, the coated refractory metal element forming a portion of the surface of the composite core. The ceramic element is an oxide ceramic. The refractory metal is selected among at least one wire, at least one sheet, in the ceramic element, or is attached to a surface of the ceramic element.
Patent KR-20030015168-A (KR)
Title: Apparatus for pumping concrete of pump vehicle
Inventor: KIM SOON GIL
IPC: F04B15/02
Filed: 2002-10-21
Abstract: PURPOSE: A pumping device of a concrete pump car is provided to convey concrete indirectly by using suction/compression power of a pumping cylinder and a working cylinder for minimizing the damage of component parts, and continuously discharge the concrete via a conveying cylinder for removing and residual concrete. CONSTITUTION: A pumping device of a concrete pump car includes a pair of concrete conveying cylinder(30) connected to a hopper and a pumping cylinder at both side respectively for discharging concrete from the hopper through the pump cylinder to a discharge tube(38) at a lower end part and mounted with a ring stopper(36) on an inner diameter part with a predetermined distance from the inner diameter, a spool(40) for alternatively blocking a path of the ring stopper of the concrete conveying cylinder and coupled with a spool rod(42), a connection tube(50) coupled at an upper part of the concrete conveying cylinder to be filled with oil inside and provided with an O-ring(45) for cleaning a surface of the spool rod, and a working cylinder(60) coupled at an upper part of the connection tube and having a piston(62) mounted with a piston rod(64) coupled with the spool rod, thereby lifting or lowering the spool according to the direction of oil pressure supply.
Patent KR-20040036030-A (KR)
Title: Plug auto connecting device for bubbling in ladle bottom
Inventor: KIM JAE HONG
IPC: B22D46/00
Filed: 2002-10-23
Abstract: PURPOSE: An apparatus for automatically connecting ladle bubbling plug is provided which improves productivity by automatically mounting an inert gas blowing coupler on the plug to carry out bubbling operation, thereby reducing working load, securing safety of working and shortening working hours. CONSTITUTION: The apparatus comprises first and second supporting plates(40,60) supported by a plurality of first, second and third supports(30a,30b,30c) erected adjacently to a setting position of ladle(20) comprising a plug that is a gas injection port for bubbling; a rotational operation cylinder(42) fixed onto an upper surface of the first supporting plate(40) and consisted of operating cylinder rod(44); a fixing member(46) vertically fixed onto one end surface of the first supporting plate; a rotation shaft supported by the fixing member, rotationally erected on the second supporting plate(60) and rotationally connected to the operating cylinder rod; a rotational supporting frame(70) integrally fixed onto the outer circumferential surface of the rotation shaft; and a gas supplying coupler fixed onto an upper surface of the rotational supporting frame and arranged in such a manner that the gas supplying coupler is locked to or unlocked from the plug by a back and forth moving means.
Patent KR-20040037541-A (KR)
Title: An air-conditioner without an outside -equipments and method of operating thereof
Inventor: KIM RYONG YEONG
IPC: F24F1/00
Filed: 2002-10-29
Abstract: PURPOSE: An air conditioner not having an outdoor device and an operating method are provided to disposing hot air exhausted from the air conditioner by natural convection without additional exhausting piping. CONSTITUTION: An air exhausting pipe(15) is connected to a hopper(13). An upper end(17) of the air exhausting pipe is arranged between 0.5 and 0.7 meters from a ceiling(19). Cooling air from an evaporator(7) is exhausted far from the ceiling downward. Therein, indoor air is cool by exhausting hot air near the ceiling with the air exhausting pipe and cool air of the evaporator far from the ceiling as convection current.