baber/WOPTO huggingface dataset:
Patent KR-20010025839-A (KR)
Inventor: AHN HUI TAEK
IPC: H01L21/52
Filed: 1999-09-01
Abstract: PURPOSE: A mount stage of a lead-on-chip(LOC) mounting equipment is provided to prevent chip crack which is a typical defect of a die bonding process, by cutting an end part of the mount stage in which corners of a chip is settled. CONSTITUTION: A mounting equipment has a wafer lifting unit, a wafer holder unit, a wafer optical system, a die pick-up unit, a die optical system, a leadframe feeder, a leadframe optical system, a mounting head unit and a mount stage(10). The mount state includes a settling unit(11) and a cut unit(12). A chip is settled in the settling unit. The cut unit is formed, wherein corners of the chip do not contact the settling unit in which the corners of the chip are located.
Patent KR-20000022855-A (KR)
Inventor: MURA SHETAKU
IPC: H05K9/00
Filed: 1999-09-02
Abstract: PURPOSE: A radio wave absorber is provided to realize improved radio wave absorbing performance, to enhance mechanical strength, to realize lightness and to reduce costs. CONSTITUTION: A radio wave absorber(1,11,21,31) comprises a conductor, an inorganic hollow powder body, and inorganic reinforced fibers. The conductor comprises at least one among carbon black, graphite and carbon fibers. The inorganic hollow powder body, the inorganic reinforced fibers and the conductors are bonded by inorganic adhesive. The inorganic hollow powder body is selected from group consisted of SHIRASU balloons, silica balloons, glass beads and alumina-silica balloons. The inorganic reinforced fibers is glass fiber, asbestos fiber, stainless steel fiber or silica-alumina fiber.
Patent KR-20000052323-A (KR)
Inventor: SWART MARK A
IPC: G01R31/02
Filed: 1999-09-09
Abstract: PURPOSE: A scan test device for testing the continuity of bare printed circuit board is provided to delete 80%-90% of test sites from a test routine after scanning a circuit board. CONSTITUTION: A scan test device(10) comprises a wiper(26) producing a testing signal in an upper and a lower shorting layer after electrically scanning a circuit board, wherein the shorting layers(12,14) short a testing unit(16), and a push rod(34) leading the testing unit under a wiper brush(26) and operated by a hydraulic cylinder or a linear motor(36). The way of testing the continuity of bare printed circuit board can reduce the testing time by deleting test site from additional test pad after scanning the circuit board and comparing the signal stored in software and the signal produced by wiper.
Patent KR-20010027230-A (KR)
Inventor: PARK IL UNG
IPC: F25D23/06
Filed: 1999-09-11
Abstract: PURPOSE: A refrigerator insulator is provided to minimize void formed at the insulator and prevent deformation of inner case, by uniformly injecting foam material. CONSTITUTION: A refrigerator insulator comprises an inner case(14) having a barrier for sectioning freezing compartment and refrigerating compartment; and an outer case(12) having a plurality of foam material injection ports(12a,12b) arranged at the rear surface of the outer case so as to correspond to the barrier, and an additional foam material injection port(12c) arranged at the center of the lower end of the outer case. The foam material is injected uniformly and simultaneously, via injection ports, throughout the space formed between the inner case and the outer case, thus minimizing void formation occurring after completion of foaming process.
Patent KR-20010027712-A (KR)
Inventor: HONG DAE UK
IPC: H01L27/146
Filed: 1999-09-15
Abstract: PURPOSE: A charged coupled device and a method for manufacturing the same are to improve a charge transferring efficiency by quickly transferring charges using a transfer gate bias voltage. CONSTITUTION: A transfer gate(23) is formed on a p-typed semiconductor substrate through a gate insulating film(22) and an insulating sidewall(26) is formed on both sides of the transfer gate, respectively. The first photodiode region(23) consisting of an n-typed impurity diffused region is formed in the semiconductor substrate under the sidewall of the insulating film. The second photodiode region(28) consisting of an n+-typed impurity diffused region and a floating diffusion region(29) are formed in the semiconductor substrate on the both sides of the sidewall of the insulating film. The third photodiode region(32) and the fourth photodiode region(33) are formed in the semiconductor substrate to be in contact with the second photodiode region. A p-typed impurity diffused region is formed in the second, third, and fourth photodiode regions.
Patent KR-20000023237-A (KR)
Title: Semiconductor device and method for manufacturing the same
Inventor: WADA SHINICHI
IPC: H01L21/338
Filed: 1999-09-17
Abstract: PURPOSE: A semiconductor device and a method for manufacturing the same are provided to accumulate efficiently carriers within arranging a channel layer by a barrier layer between a channel layer and a gate electrode. CONSTITUTION: A semiconductor device comprises a substrate, a first semiconductor layer(1)of a first conductive type, a second semiconductor layer(2) formed on the first semiconductor layer of the first conductive type, a third semiconductor layer(3) formed on the second semiconductor layer of the first conductive type, a first low resistance layer formed on the third semiconductor layer of a second conductive type, a second low resistance layer on the first low resistance layer of the second conductive type, and a gate electrode(4) formed on the second resistance layer. A method for manufacturing the same comprises the steps of: forming a first, a second, a third, and a fourth semiconductor layer; forming a first and a second open hole; forming a sixth semiconductor layer; and forming a gate electrode.
Patent KR-20000006656-A (KR)
Inventor: KIM GYU SUNG
IPC: F04B1/00
Filed: 1999-09-18
Abstract: PURPOSE: A liquid pressure pump is provided to minutely process and to economically operate the machine without the output loss. CONSTITUTION: The liquid pressure pump is composed of:a piston(1); a cylinder(2); a body(3) having compressed air channels(32)(32') connected with the inside of the cylinder(2), formed inside of the bodies(3)(3') and having moving channels(31)(31') moved by being inserted near the inside of piston rods(11)(11'), formed by penetrating in its center; a flange(4); and a master valve(5) for controlling the input and the exhaust of the compressed air fed through an inlet(53) of the compressed air on its front edge by sensors(S1)(S2) for sensing the movement limit of the piston(1).
Patent KR-20010028501-A (KR)
Inventor: KIM BYEONG CHEOL
IPC: H01L21/28
Filed: 1999-09-21
Abstract: PURPOSE: A method of forming a contact is to widen a contact opening portion, thereby improving a step coverage of a metal substance which is filled in the contact. CONSTITUTION: An interlayer dielectric layer(180,220) is formed on a semiconductor substrate(100) including a contact area and a photoresist pattern is formed thereon. The interlayer dielectric layer is anisotropically etched by a predetermined depth using the photoresist pattern as a mask to form a contact(280) on the contact area. The photoresist pattern is then removed and the resultant structure is etched back to eliminate the interlayer dielectric layer possibly remaining on the contact area, completing the contact exposing the contact area. Thereafter, the interlayer dielectric layer on an upper portion of the contact is etched to increase the size of an upper opening portion.
Patent KR-20000000222-A (KR)
Inventor: HAN CHEON CHO
IPC: A47B96/06
Filed: 1999-10-02
Abstract: PURPOSE: A fixation device for a corner display stand is provided to freely set up the height and to easily change a fixation nail. CONSTITUTION: A fixation device comprises:a sliding body(40) and an assistant body(40a) to smoothly insert a fixation nail(2,2a); a bar(10) to connect the sliding body(40) and the assistant body(40a); a fixation nail(2,2a) formed between a fixation bolt(11a) and a nut(11); a piece bolt(C,D) to fix a tightening control hole(5) in the center of a nut axis(5a), a nut(6) and a bolt(6a); and a washer(C1,C2).
Patent KR-20010036483-A (KR)
Inventor: HUR MYUNG JOON
IPC: A61G7/002
Filed: 1999-10-08
Abstract: PURPOSE: Provided is a blood circulation-promoting bed which vertically moves regularly or irregularly and changes the pressure being applied to a user's body, thereby preventing pressure sore or bed sore. CONSTITUTION: The blood circulation-promoting bed comprises: i) a bedstead(35) including a plurality of longitudinal beams(1,2); ii) at least one support being attached to the bottom part of each beam and supporting the beam; iii) a lever being connected to the support and transferring a vertical adjusting power to the support; and iv) a coupling device transferring power to the lever by driving of a motor.
Patent KR-20000000324-A (KR)
Inventor: CHOI CHANG MUK
IPC: B28B1/087
Filed: 1999-10-12
Abstract: PURPOSE: A paper tile is provided to prevent the waste of unnecessary resources, to maximize the value added of a low-grade waste paper by producing a paper tile or a mold for an indoor interior or a sound arresting using the low-grade waste paper. CONSTITUTION: The paper tile comprises: forming a shape in an inner shape plate(8b) of a molding press frame(8); putting a material mixed a waste paper fibrous component(70%), a glue component(8%), a resistant component(5%), a hardwood charcoal component(6%), a flower perfume component(2%), a dyes component(2%), and an antibiotic agent component(2%); and compressing by a compression molding press(9a) and dyeing. Thereby the inner interior is able in economic costs, and it is useful to the health by mixing the charcoal, the perfume, and the loess component.
Patent KR-20010037317-A (KR)
Inventor: HONG SUN HO
IPC: G08G1/09
Filed: 1999-10-15
Abstract: PURPOSE: A general traffic management information transmitting system is provided to provide a traffic information related to traveling vehicles to general masses by processing a collected signal from a vehicle detector by a field controller. CONSTITUTION: A plurality of vehicle detectors(1) are installed at a plurality of road points and detect a traffic situation. A plurality of field controllers(2) process signals from the vehicle detectors(1). A plurality of internet interface devices(3) are connected to output sections of the plurality of field controllers(2) and transmit data to an internet. A central managing device(4) is located away from a corresponding road and performs a web hosting service. A guide and traffic controller(5) informs a traffic situation or controls a flow of a traffic according to a command of the central managing device(4). A plurality of traffic guide terminals(6) are connected to the internet and receive a desired real time traffic information.
Patent KR-20010037433-A (KR)
Title: Characteristic number allotting algorithm using special numbers (3)
Inventor: SON JI HAE
IPC: G01D4/00
Filed: 1999-10-16
Abstract: PURPOSE: A characteristic number allotting algorithm using special numbers is provided to make a customer easily remember the customer number by preparing the customer number using well-known zip code. CONSTITUTION: A characteristic number allotting algorithm using special numbers includes a customer number and a management number separated from each other. The customer number consists only on customer recognition elements. The characteristic number allotting algorithm may consist of a region number(31), a telephone exchange number(32) and a telephone exchange number confirming number(32) of a telephone number(30), a sequence number(40), and a preliminary number value(42). The characteristic number allotting algorithm may consist of date numbers, resident registration numbers or others.
Patent KR-20010037607-A (KR)
Inventor: KIM YONG JEONG
IPC: H03J7/04
Filed: 1999-10-19
Abstract: PURPOSE: An automatic frequency control circuit of a tuner is provided to compensate for the variation of the tuning voltage by increasing AFT value when the tuning voltage is high. CONSTITUTION: An automatic frequency control circuit of a tuner comprises an oscillating circuit(20) which creates and generates an oscillating frequency. An OMIC(10) is connected to the oscillating circuit(20) so as to mix and amplify the oscillating frequency generated from the oscillating circuit(20). An AFT circuit(30) is connected to the oscillating circuit(20) so as to compensate for the oscillating frequency generated from the oscillating circuit(20). A plurality of compensating condensers(C5,C6,C0) are connected to one end of the AFT circuit(30) and to one end of the oscillating circuit(20).
Patent KR-20000029175-A (KR)
Title: Power supply with multiple mode operation
Inventor: NASGAUTOM
IPC: H04N5/63
Filed: 1999-10-19
Abstract: PURPOSE: A power supply apparatus of an image displayer is provided to be operated in a stand-by mode, a power-on mode, and a general mode. CONSTITUTION: An image apparatus has DAM(Data Access Mode) module(42). The DAM module has a memory for storing guiding information of TV programs. Voltage of stand-by power supply obtained by a first wound coil of a transformer is applied to activate the DAM module only during the time when a user preset. B+ power supply voltage generated from a second wound coil of the transformer activates a deflection circuit during a performing mode. The B+ voltage is applied to a voltage controller in a feedback path of a cathode. When the DAM module is activated, the deflection circuit is turned off. The activated DAM module increases current consumption from the first wound coil. A switch is connected in the feedback path of the B+ voltage. The switch attenuates the B+ voltage which is operated as a feedback to the controller, when operating the DAM. A tendency that the stand-by voltage is reduced while operating the DAM is compensated.
Patent KR-20010038370-A (KR)
Inventor: LEE CHANG HUN
IPC: H01L21/60
Filed: 1999-10-25
Abstract: PURPOSE: An inclined etching method for a multilayered structure layer is provided to improve step coverage of a conductive layer such as an under bump metal to be formed in an etching groove, by reducing an aspect ratio in the etching groove. CONSTITUTION: An upper passivation layer is formed on a silicon substrate(10). An etching groove having an inclined surface is formed in a partial region of the passivation layer by a dry etching process. Either one of a multilayered passivation layer or single layer is selected as the passivation layer on the silicon layer.
Patent KR-20010038982-A (KR)
Inventor: HUH GWON
IPC: H04B7/24
Filed: 1999-10-28
Abstract: PURPOSE: An apparatus for selecting and converting a number of telephones of WLL terminal is provided, in the line where one and more telephones are connected to one line, to enable WLL terminal to select each telephone individually or also to switch signals between the telephones. CONSTITUTION: A number of normal telephones(30,31) are connected to the same line through an RF/IF block(10) for transceiving radio frequency with the base station through an antenna, a microprocessor(40) for performing the overall control over WLL terminal, an SLIC block(20) and a switch part(SW1). The microprocessor(40) individually selects each telephone or switches a signal between the telephones by controlling the switch part.
Patent KR-20010045224-A (KR)
Title: Method for manufacturing semiconductor device
Inventor: CHO CHANG SEOP
IPC: H01L21/336
Filed: 1999-11-03
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to simplify a manufacturing process by making a field oxide layer automatically formed when an n-well region and a p-well region are defined, and to improve reliability by minimizing contamination of a substrate. CONSTITUTION: An insulating layer of a constant thickness is formed on a substrate(31). A predetermined portion of the insulating layer is eliminated to a predetermined depth, and impurity ions of the first conductivity type are implanted. Another predetermined portion of the insulating layer is removed to a predetermined depth, and impurity ions of the second conductivity type are implanted. Well regions of the first and second conductivity types are formed by an impurity diffusion process. Gate electrodes(36,36a) are formed in the well regions of the first and second conductivity types, respectively. A source/drain impurity region of the second conductivity type is formed in the substrate on both sides of the gate electrode formed in the well region of the first conductivity type. A source/drain impurity region of the first conductivity type is formed in the substrate on both sides of the gate electrode formed in the well region of the second conductivity type.
Patent KR-20010046613-A (KR)
Inventor: NAM SEON U
IPC: G07D11/00
Filed: 1999-11-13
Abstract: PURPOSE: Provided is a paper money box for an automatic teller machine, which has a check printing function, therefore, the paper money box is used for paper money or checks. CONSTITUTION: The paper money box(20) includes a paper money storing part, a paper money withdrawing device, and a check printing device comprising sensors(50, 50') for sensing the entry of the checks(c), a printing roller(60) which is lifted up and down by a solenoid operated by the sensing of the sensor(50, 50'), an operating roller(70) geared selectively with the printing roller(60), and a stamp(63), mounted to the printing roller(60), for printing.
Patent KR-20010048493-A (KR)
Inventor: CHO YOUNG KOO
IPC: G06F13/38
Filed: 1999-11-26
Abstract: PURPOSE: An apparatus and a method for providing a domain is provided to enable a web client to communicate with another person by providing a domain name which the web client wants. CONSTITUTION: A web client is connected to a determined site on the internet(S100). A CPU reads a homepage file from a main channel memory according to a URL resource signal(S200). A web browser transmits a signal for requesting the first domain name to a CPU(S300). The first domain name is combined with a domain name of a channel memory of a channel memory unit, therefore, a new domain name is made(S400). It is judged whether the second domain name exists in names assigned to a domain unit memory(S500). In case that the second domain isn't assigned to the domain unit memory, the CPU transmits a signal on the second domain name to the web browser. Therefore, the second domain name is provided to the web client(S600). The CPU stores personal information in the main channel memory. In addition, the domain unit memory is provided to a sub channel memory relevant to domain name combined with the second domain name provided to the web client(S700).
Patent KR-20010048839-A (KR)
Inventor: KIM JE WON
IPC: B43K21/04
Filed: 1999-11-30
Abstract: PURPOSE: A knock type writing implement is provided which is operated by moving a vibration member forward and backward by means of shaking the outer case of the writing implement. CONSTITUTION: The knock type writing implement comprises: the outer case(10); a core(2) of the writing implement inserted in the outer case(10), which has a tip(6) and at least one projections(4) apart from the tip(6); a cap(26) to protect the tip(6); an elastic member(28) mounted between the cap(26) and the projections(4), which applies force to the core(2) of the writing implement in the opposite direction against the cap(26); the vibration member(50) mounted movably and longitudinally on the opposite side against the tip(6); a knocking means mounted between the projections(4) and the vibration member(50), wherein the core(2) is moved forward by impacting firstly the vibration member to the knocking means and the core(2) is moved backward by impacting secondly the vibration member to the knocking means.
Patent KR-20010053915-A (KR)
Inventor: KIM SU HO
IPC: H04L12/40
Filed: 1999-12-02
Abstract: PURPOSE: A media access controller is provided to reduce a memory number and an overhead without using a media access control transmitting buffer and a media access control receiving buffer. CONSTITUTION: A multiplexer receives data transmitted from a system bus interface(210), and transmits the data to a physical layer(260). An other multiplexer receives the data transmitted from the physical layer(260), and transmits the data to the system bus interface(210). An interface transmits the data transmitted from the system bus interface(210) to the multiplexer, and receives the data transmitted from the physical layer(260).
Patent KR-20010054216-A (KR)
Inventor: KIM GYEONG OK
IPC: G01J1/00
Filed: 1999-12-03
Abstract: PURPOSE: An optical detector is provided to introduce an array structure and an electronic blocking layer of vertical quantum dots and quantum wires into an optical absorption layer of an emitter of a dual joining infrared optical detector structure and to adopt a mirror structure to the optical detector. CONSTITUTION: An optical detector includes an array structure(A) of vertical quantum dots and a blocking layer of electrons formed on an emitter optical absorption layer using a dual wall quantum well structure, a lower quarter wave reflector disposed between a collector of the emitter optical absorption layer and a semiconductor substrate, and an upper mirror disposed on the emitter optical absorption layer using a dielectric multilayer.
Patent KR-20010054222-A (KR)
Inventor: OH OK TAE
IPC: H04Q3/42
Filed: 1999-12-03
Abstract: PURPOSE: An integrated messaging service providing apparatus and a method thereof are provided to reduce a load to a service control system and promptly provide a message by interworking a messaging system operated on an Internet protocol and an intelligent control system. CONSTITUTION: A service control system(1) has a service control logic. A service management system(2) manages data required for providing a service. An intelligent information providing system(3) provides a special resource for exchanging various information between a service user and a network. A service exchanger(4) performs a function for connecting a terminal exchange and the service control system(1). A No.7 common channel signaling network(5) connects the intelligent network system. A messaging system(6) receives an e-mail, a voice mail and a facsimile mail, and converts a media to provide a mail form desired by a user. A TCP/IP protocol is used between the service control system(1) and the messaging system(6), which is called a user assignment Internet protocol.
Patent KR-20000057051-A (KR)
Inventor: TOUNAI KEIICHIRO
IPC: G03F1/70
Filed: 1999-12-11
Abstract: PURPOSE: A method for correcting an optical proximity effect and a method for forming a mask data are provided to become applicable to various cases in connection with a shape and a size of a design pattern, and a space width and a positional relation between the design patterns. CONSTITUTION: In a manufacture process for a semiconductor device, an optical proximity effect correcting method includes an addition step, an examination step, a decision step, and a deletion step. The addition step has adding a partial correcting region(11) to a periphery of a design pattern(Pd). The correcting regions(11) added to the adjacent design patterns(Pd) confront each other, and each correcting region(11) and corresponding each design pattern(Pd) constitute a corrected design pattern. Next, in the examination step, a space width between the adjacent corrected design patterns is examined, and it is decided whether the examined space width is less than a predetermined value or not in the subsequent decision step. When the space width is less, an error pattern(EP2) is produced and then parts of the correcting regions(11) overlapped with the error pattern(EP2) are deleted in the final deletion step.