baber/WOPTO huggingface dataset:
Patent KR-20000031110-A (KR)
Title: Exposure mask
Inventor: LEE JOON SEOK
IPC: H01L21/027
Filed: 1998-11-03
Abstract: PURPOSE: An exposure mask is provided to improve representation performance, to accurately recognize a sub-pattern in the exposure mask so that an error does not occur during a reliability test, and to simply utilize an optical vicinity compensation. CONSTITUTION: An exposure mask(50) comprises a transparent substrate(51), 2 patterns(52,53), and 3 sub-patterns(55, 56, 57). The patterns(52, 53, 55, 56, 57) for a light cutting area are formed of an opaque material such as chrome. The 2 patterns(52, 53) are parallel arranged. The 1st pattern(52) is longer than the 2nd pattern(53). Lower portion(52-1) of the 1st pattern(52) is compactly formed with the 2nd pattern(53). Upper portion(52-2) of the 1st pattern(52) is independently formed. The sub-patterns(55, 56, 57) are formed are formed at the upper portion(52-2) of the 1st pattern(52) to compensate a pattern deformation by a ptical vicinity phenomenon.
Patent KR-20000031244-A (KR)
Title: Method for forming insulating film pattern of liquid crystal displayer
Inventor: KIM JEONG HA
IPC: G02F1/1368
Filed: 1998-11-04
Abstract: PURPOSE: A method is provided to form an insulated film pattern of a liquid crystal displayer in atmosphere ambient without expensive equipment while improving forming speed of the insulated film. CONSTITUTION: A thin film(102) of organic material is formed on an insulated substrate(100) in a coating method of an organic material including silicon or in a chemical vapor deposition method. Herein, the thin film of organic material is exposed in ambient pressure or in oxygen atmosphere. Then, ultra violet ray(106) is irradiated to the thin film of organic material by using a mask(104) containing a certain pattern. Herein, the mask is divided into a light permeable area(b) and a light impermeable area(d). And the light impermeable area is eliminated for forming an insulated film pattern on the substrate.
Patent KR-20000033101-A (KR)
Title: Scrambler and descrambler of parallel distribution sample
Inventor: KIM JAE HYEONG
IPC: H04L12/801
Filed: 1998-11-19
Abstract: PURPOSE: A scrambler and a descrambler of parallel distribution sample are provided to process a scrambling and a descrambling of cell at a high speed by embodying the distribution sample scrambler and the descrambler in a parallel and to improve the low power and the reliability of a system by reducing an operating speed of the scrambler. CONSTITUTION: A PRBS(pseudo random binary sequence) for scrambling data to be transmitted is generated. After a value of register state after passing a certain number of series clocks from the generated PRBS is calculated and a present PRBS is abstracted from the generated PRBS, the PRBS corresponding to a specific sample among the abstracted present PRBSs. After a former PRBS is abstracted from the generated PRBS and the data to be transmitted are scrambled by exclusively and logically summing the abstracted present PRBS and the data, a control signal is generated for inserting a calculating control signal of CRC(cyclic redundancy check)-8 and an exact sample value according to a start of cell. The CRC-8 calculation of the scrambled data obtained from the exclusive OR element(160) is performed according to each control signal generated from a generating unit of control signal(170). The sample value obtained is output to a needed data format by inserting the sample value obtained from the abstracting unit of specific sample(170) and an abstracting unit of former RPBS in a certain position of the scrambled data.
Patent KR-20000034038-A (KR)
Title: Thermoplastic polyurethane urea resin for melt spinning
Inventor: AHN PYUN NO
IPC: C08G18/48
Filed: 1998-11-06
Abstract: PURPOSE: Provided is a thermoplastic polyurethane urea resin for melt spinning which can produce elastic fiber having high heat resistance, and good elastic recovery properties by conducting melt spinning of polyurethane urea resin having a hard segment of specific structure in the molecular chain. CONSTITUTION: The polyurethane resin which has a following formula: £A-O-(O)C-NH-D-NH-C(O)-NH-D-NH-C(O)-O|n, wherein A is a residual group of organic polyol, having a molecular weight of 500-5000, the number of functional group is 1.8-2.2, and the ratio of the weight average molecular weight to number average molecular weight(Mw/Mn) of 1.5-2.5; D is a residual group of organic diisocyanate having the number of functional group of 1.8-2.2; and n represents a repeating unit. Since the polyurethane urea resin has high heat resistance and high elastic recovery properties, it is usefully applied for melt spinning process to produce an elastic fiber.
Patent KR-20000038528-A (KR)
Title: Pixel driving system for liquid crystal display
Inventor: YOO BONG HYEON
IPC: G02F1/133
Filed: 1998-12-04
Abstract: PURPOSE: A pixel driving system for a liquid crystal display is provided to replace source drivers during manufacturing when required. CONSTITUTION: A pixel driving system for a liquid crystal display includes a gate driver(3), a source driver(2), and a signal controller(4). The gate driver(3) is implemented on the edge of a display panel and turns on gates of TFT(thin film transistor)s arranged in pixels of the display panel sequentially. The source driver(2) is implemented on the other edge of the display panel, selects a voltage corresponding to the pixel data and transfers the voltage to the pixels. The signal controller(4) is implemented on the outer side of the display panel, and controls the display status according to a predetermined control signal applied in the gate driver and the source driver. An ID(identification) signal output block is implemented on the source driver. A signal output matrix(5) is implemented in the signal controller(4) to output the control signal to the source driver.
Patent KR-20000041866-A (KR)
Title: Base station system for gain control
Inventor: KIM HYEON SU
IPC: H04B7/155
Filed: 1998-12-23
Abstract: PURPOSE: A base station system is provided to control the proper gain to sustain the certain level of gain in each base station in base station system which consist of master base station and slave station. CONSTITUTION: A base station system for gain control comprises of: a master base station which convert and multiply certain level of control signal, doesn't matter with the change of high frequency electric power; many slave stations which reverse-multiply and demodulates the sent control signal from master station, and control electric power level of high frequency that will be transmitted.
Patent KR-20000043608-A (KR)
Title: Protection apparatus of a television for suppressing the rising of a high voltage
Inventor: KIM YOUNG HAK
IPC: H02H3/20
Filed: 1998-12-29
Abstract: PURPOSE: A protection apparatus of a television for suppressing the rising of a high voltage is provided to prevent the breakdown of components by cutting off of an excessive high voltage in advance. CONSTITUTION: A transformer(23c) generates a high voltage to be applied to an anode electrode of a CRT(27). A first protecting detector(21b) detects a voltage of the anode electrode and generates a first reference voltage. A generator(21c) generates a second reference voltage. A protecting sensor(22b) inputs the first and second reference voltages and generates a protecting voltage in case that either of the first and second reference voltages are over a threshold voltage. A cut-off unit(24e) cuts off an output of a high voltage driver(23a) in case that the protecting voltage is generated.
Patent KR-20000046954-A (KR)
Title: Fabrication of semiconductor flash eeprom device
Inventor: IM JAE EUN
IPC: H01L27/115
Filed: 1998-12-31
Abstract: PURPOSE: A method for fabricating a semiconductor flash EEPROM device is provided to prevent the creation of undesired water marks on a top surface of a polysilicon layer in a forming step of a control gate. CONSTITUTION: While a floating gate(17) of polysilicon is partly overlapped on a field oxide(13), a polysilicon underlayer(21) and a control gate(23) of polysilicon are successively formed on the floating gate(17) and the field oxide(13). To prevent the creation of undesired water marks, it should be controlled that a surface of the control gate(23) is changed from hydrophobic property to hydrophile property. Accordingly, in a forming step of the control gate(23), a concentration of phosphorous dopant is reduced and a surface topology becomes more uniform. Furthermore, it is desirable that the floating gate(17) is formed to have a positive slope as well as a thinner thickness.
Patent KR-19990077105-A (KR)
Title: 철함유 물질로부터 액체선철 즉 철강반제품을 생산하는 방법
IPC: C21B11/00
Filed: 1997-11-05
Abstract: 미립자 철함유 물질(4)로부터 액체선철(9) 즉 철강시제품을 용융가스화로(1)에서 생산하는 방법으로서, 철함유 물질(4)이 탄소함유 물질(2) 및 산소함유가스의 공급으로 고체 탄소매체층에서 용융되는 동시에 환원가스가 형성되고, 상기 미립자 환원물질(4) 및 산소는 측면으로부터 층(20, 21)내로 도입된다. 
     미립자 철함유 물질을 연탄화할 필요없고, 이렇게 함으로써 상기 미립자 철함유 물질(4)이 용융가스화로(1)에 형성된 환원가스에 의한 배출이 방지되면서 용융가스화로(1)내로의 장입을 가능하게 하기 위하여, 미립자 고체 탄소매체(2) 및 미립자 철함유환원물질(4)의 유동층(21)을 고체 탄소매체(2)로 형성된 고정층(20) 위에 유지하고, 상기 미립자 환원물질(4)은 산소와 바로 접하여, 링형상의 단면을 가지고 산소제트를 원주상으로 둘러싸고 산소를 엔클로우즈하는 스트랜드형태가 바람직한 유동층(21)내로 직접 장입되고, 이로써 산소는 상기 공급된 미립자 환원물질(4)에 의하여 엔클로우즈되고, 상기 미립자 환원물질(4)은 상기 유동층에서 용융된다.
Patent KR-20000005155-A (KR)
Title: Production method of vinyl acetate catalyst using alkali metal borate
Inventor: NICOLAU IOMAN
IPC: B01J23/58
Filed: 1997-03-18
Abstract: PURPOSE: A production method of a new catalyst is provided to appropriate to the vapor production of the vinyl acetate from the reaction of the ethylene, the oxygen, and the acetic acid. CONSTITUTION: The production method of the new catalyst comprises by: infiltrating a catalyst carrier by a soluble palladium compound and a soluble metal compound; sticking the soluble palladium compound and the soluble metal compound in the carrier by generating an insoluble palladium compound and an insoluble metal compound by a sticking composition containing an alkali metal borate solution; generating the catalyst by resolving the insoluble palladium compound and the insoluble metal compound to the palladium and the metal; the amount of the palladium metal added in the carrier containing the concentration of 1.0 gm/l ¯ 10.0 gm/l; 1.5:1 ¯ 2.5:1 of the mole rate of the alkali metal borate to the palladium and the metal.
Patent KR-20000005242-A (KR)
Title: Process for including a fine particulate filler into tissue paper using an anionic polyelectrolyte
Inventor: VINSON KENNETH DOUGLAS
IPC: D21H17/68
Filed: 1997-04-03
Abstract: PURPOSE: A strong, soft, and low dusting tissue web is provided to be used for manufacturing a soft absorbing sanitary product such as a bathing tissue, a toilet tissue, and an absorbing towel. CONSTITUTION: A process for incorporating a fine non-cellulosic particulate filler into a creped tissue paper comprises the steps of: a) contacting an aqueous dispersion of a non-cellulosic particulate filler (34) with an aqueous dispersion of an anionic polyelectrolyte polymer (35); b) mixing the aqueous dispersion of polymer-contacted filler (38) with papermaking fibers forming an aqueous papermaking furnish (41) comprising polymer-contacted filler and papermaking fibers; c) contacting said aqueous papermaking furnish (41) with a cationic retention aid (46); d) forming an embryonic paper web (88) from the aqueous papermaking furnish (45) on foraminous papermaking clothing (85); e) removing water from said embryonic web (88) to form a semi-dry papermaking web; f) adhering the semi-dry papermaking web to a Yankee dryer (108) and drying said web to a substantially dry condition; g) creping the substantially dry web from the Yankee dryer by means of a flexible creping blade (111), thereby forming a creped tissue paper (70). When providing at least one additional papermaking furnish (31, 33) and directing said papermaking furnishes (31, 33; 45) onto foraminous papermaking clothing (85), thereby forming an embryonic multi-layered paper web (88) from the filler-containing aqueous papermaking furnish and the additional papermaking furnish in a manner to create a multi-layered paper web wherein at least one layer (88b, 88c) is formed from the filler-containing aqueous papermaking furnish and at least one layer (88a) is formed from said additional papermaking furnish, a multi-layered creped tissue paper (70) can be formed. The process results in strong, soft, and low dusting tissue paper webs useful in the manufacture of soft, absorbent sanitary products such as bath tissue, facial tissue, and absorbent towels.
Patent KR-20000010756-A (KR)
Title: Antenna device having a matching means
Inventor: ENGBLOM GUNNAR
IPC: H01Q1/24
Filed: 1997-04-30
Abstract: PURPOSE: An antenna device is disclosed, which is intended for a portable radio communication device, in particular a pocket size cellular telephone. CONSTITUTION: The novel antenna device includes a housing (1) having mounting means (2) for mounting on the telephone (3), helically configured first radiator (4) carried by the housing, and an impedance matching means (6) formed by reactive components on a dielectric substrate provided with a printed circuit pattern. The matching means (6) is carried by the housing and it matches an impedance of the first radiator to an impedance of transceiver circuitry of the telephone. The antenna device may include one or more radiators in addition to the first radiator. The disclosed antenna means is particularly advantageous when the antenna device includes at least one radiator of half-wave type.
Patent KR-20000022485-A (KR)
Title: Stopper rod
Inventor: KREMER ALFRED
IPC: B22D11/10
Filed: 1997-06-24
Abstract: PURPOSE: A stopper rod is to provide an improved device of stably attaching a stopper rod to a lifting and lowering mechanism. CONSTITUTION: An improved device of attaching a stopper rod to a lifting and lowering mechanism comprises a first sleeve, a connecting rod and a second sleeve. The first sleeve is molded in-situation in the stopper rod body to lie coaxially with the stopper rod body in an annular recess surrounding and coterminous with the bore, and has a pair of circumferential-spaced inwardly-directed, arcuate flanges. The connecting rod is of diameter to fit into the stopper rod bore and of length to extend outside the stopper rod. The connecting rod passes through the first sleeve when the sleeve is in position in the stopper rod, and has a pair of circumferential-spaced, arcuate shoulders of size to pass through the spaces between the flanges of the first sleeve. The second sleeve is of external diameter to fit in the bore of the stopper rod and has at one end a pair of circumferential-spaced, arcuate, axially-extending projections having an internal radius sufficient to accommodate the connecting rod through the second sleeve and being of a size to fit into the spaces between the flanges of the first sleeve.
Patent KR-20000055556-A (KR)
Inventor: CHO JEONG HO
IPC: H05K13/00
Filed: 1999-02-08
Abstract: PURPOSE: A XY stage using a linear step motor and a system of controlling the same are provided to minimize an error to be produced due to the mechanical friction. CONSTITUTION: A XY stage comprises a movable member(310) capable of a linear stepping movement and a slight rotation and having an inductor for producing a magnetic force opposite to a direction of applied current, and a fixing member(320) with a number of bosses in regular interval for moving the movable member. The movable member includes X-axis inductors producing a force in a X-axis direction, and Y-axis inductors producing a force to in a Y-axis direction. The X and Y-axis inductors have a permanent magnet and an electromagnet, respectively. A surface of the fixing member is formed with regularly spaced teeth for forming a magnetic path. The fixing member has a number of regularly spaced teeth, and a ferromagnetic base(322).
Patent KR-19990045930-A (KR)
Title: 자동변속장치를구비한자전거
Filed: 1999-02-20
Abstract: 본 발명은 원심력을 이용하여 변속을 실행하는 자동변속 자전거에 관한 것으로, 자전거의 뒷바퀴를 지지하는 휠축, 휠축에 일정간격 슬라이딩 가능하게 마련된 슬라이딩 부재, 휠축 내에 위치하며 슬라이딩 부재와 연동하여 이동되는 연결봉을 포함하며, 연결봉의 한쪽 끝단을 추와 연결하고, 다른 끝단을 후방 드레일러에 연결시키는 것에 의해, 자전거의 변속을 순차적으로 또한 원활하게 실행할 수 있다는 효과가 있다.
Patent KR-19990077466-A (KR)
Title: 타이어가황설비
IPC: B29C33/30
Filed: 1999-02-25
Abstract: 본 발명은 각 장치의 노는 시간의 최소화, 운반시간의 단축화에 의해 생산 사이클의 향상과, 장치의 단순화와 공간절약에 의해 코스트절감, 물류 라인을 매끄럽게 할 수 있는 타이어 가황설비를 제공한다. 이러한 타이어 가황설비는 실리는 타이어 몰드 조립체(1)에 대하여 가황매체를 공급하고 방출하는 배관을 갖춘 복수의 몰드 베이스(2)의 장치로 이루어진 가황 스테이션(C); 가동몰드(1)를 개폐하기 위한 개폐장치(6), 로더(7)그리고 언로더(8)를 갖춘 개폐 스테이션(A); 그리고 타이어 몰드 조립체(1)를 이송하기위한 이송장치를 갖춘 이송 스테이션(D)으로 구성되어있다. 가황 스테이션(C)과 개폐 스테이션(A)은 이송 스테이션(D)주위에 원형으로 배치되어있다.
Patent KR-19990077816-A (KR)
Title: 패턴이 형성된 물품을 제조하는 방법
IPC: B44C3/04
Filed: 1999-03-12
Abstract: 본 발명은 패턴이 형성된 물품(1)을 제조하는 방법에 관한것으로서, 기초 표면(62)상에 다수의 입자 보유 공간을 갖춘 리테이너(21,22)를 배치하는 단계와, 600㎛이하의 입자 크기를 갖추고 제거가 용이한 예비 충진 입자(10)로 공간을 채우는 단계와, 적어도 하나의 공동의 공간을 형성하도록 상기 공간의 일부로 부터 상기 예비 충진 입자(10)를 제거하는 단계와, 적어도 하나의 상기 공동의 공간을 외형을 갖춘 물품 형성 입자(11, 12, 13)로 채우는 단계와, 적어도 2개 종류의 입자를 포함하는 외형을 갖춘 물품 형성 입자(11, 12, 13)가 예비 충진 입자(10) 모두에 대해 치환될때까지 상기 예비 충진 재료(10)를 제거하고 외형을 갖춘 물품 형성 입자(11, 12, 13)를 채우는 단계를 반복하는 단계와, 패턴 코스(2)를 형성하도록 상기 리테이너(21, 22)를 제거하는 단계와 그리고 상기 패턴 코스(2)를 일체식 매스로 셋팅하는 단계를 포함한다.
Patent KR-20000061601-A (KR)
Inventor: YEON KWANG
IPC: A47J37/06
Filed: 1999-03-29
Abstract: PURPOSE: A rotation apparatus for skewered stuff grilling device is provided. CONSTITUTION: The rotation apparatus comprises a box case (10) whose top is opened, whose front has a slot (11), and whose upper part of back face has a plurality of vertical grooves (12); a plurality of rollers (20) whose front terminal is bound to load (22) for detatching the skewered stuff bar (1) and connected with the external of the case (10) through the vertical grooves (12) and whose back terminal is connected with a connection bar (21); a supporter (30) which is fixed within the case (10) and supports the rollers (20) horizontally; a low-speed motor (40) which is set in the lower part of the box (10) and rotates the rollers (20); and a lever (50) whose back terminal is connected with the bracket (51) fixed in the lower part of the box (10) by hinge, whose front terminal is extended to the front of the box (10) through the slot (11) and which inclines the rollers (20).
Patent KR-19990046651-A (KR)
Title: 압전소자를이용한교통표시기의전원공급장치
IPC: G09F9/30
Filed: 1999-04-10
Abstract: 본 발명은 압전소자를 이용한 교통표시기의 전원공급장치에 관한 것으로, 그 목적은 도로 노면상에 압전소자를 포설하여 통행하는 자동차로 인해 압전소자가 눌려지게 되어 발생된 전압으로 각종 교통표지판을 점등시킬 수 있게 한 압전소자를 이용한 교통표시기의 전원공급장치를 제공함에 있다. 
     또한, 본 발명은 노변에 설치되어 차량의 주행안내 및 지명을 표시하기 위한 교통표시수단에 있어서, 상기 교통표시수단의 소정부에 구성되며 그 내부에 포토다이오드를 구비하여 광전변환을 수행함으로써 광(光)을 인가받아 전압을 발생시키는 조도감지부와, 도로의 외부와 내부를 통하여 포설되며 그 외측으로부터 가압되게 되면 분극처리된 소자자체에 고전압이 유기되는 압전소자와, 상기 압전소자로부터 발생된 고전압을 일정한 전압으로 변압시키기 위한 변압부와, 상기 변압부를 매개로하여 인가된 전압을 축전시키기 위한 축전부와, 상기 축전부와 상용전원(AC)이 그 일측에 전기적으로 접속되며 타측에는 부하와 접속되고 그 내부에 다수의 반도체소자를 구비하여 스위칭동작을 수행하게 되는 스위칭부와, 상기 조도감지부로부터 감지신호를 인가받아 상기 스위칭부의 베이스단에 제어신호를 발생함으로써 부하측으로 전원인가여부를 제어하게 되며, 상기 변압부를 통해 인가되는 전압치를 감지하여 그 전압치가 일정치이하로 감소되면 상용전원(AC)이 부하측으로 인가될 수 있도록 상기 스위칭부를 제어하는 제어부로 구성된다. 
     본 발명을 적용하게 되면, 통행하는 차량의 하중을 이용하여 도로상에 설치된 압전소자로 하여금 기전력이 발생되도록 하여 각종 교통표시기의 전원으로 사용될 수 있으므로 매우 경제적이며, 기전력을 발생시킬 때 오염물질을 발생시키지 않으므로 환경친화적이다
Patent KR-19990064757-A (KR)
Title: 자동차용 스노우 체인
Filed: 1999-05-07
Abstract: 본 발명은 자동차용 스노우 체인에 관한 것이다. 
     본 고안은 타이어의 주행면에 둘러지는 연결부재의 양측 끝단에 상호 결합 및 분리 가능한 결합부재가 장착되는 연결수단; 상기 연결부재의 일정간격마다 타이어의 방향과 직교되는 방향으로 장착되는 여러개의 미끄럼 방지부재; 상기 여러개 구비된 미끄럼 방지부재의 일측에서 각 끝단을 연결하며 와이어 A가 장착되고, 상기 미끄럼 방지부재의 타측에서 각 끝단을 연결하며 와이어 B가 장착되며, 상기 와이어 B는 와이어 A보다 양측으로 더 길게 연장부가 형성되고, 상기 와이어 A의 일측 끝단과 와이어 A의 양측 끝단과 대응되는 와이어 B의 양측부에 각각 체결고리가 구비되며, 와이어 A의 나머지 끝단에 체결 클램프가 장착되는 체결수단으로 이루어진 것을 특징으로 하는 자동차용 스노우 체인을 제공한다. 
     따라서, 본 발명은 연결부재와 미끄럼 방지부재가 타이어 상에서 밀착 고정되어 타이어와 스노우 체인간의 미끄러짐이 발생되지 않기 때문에 자동차가 주행 및 정지될 때의 안정성을 제공할 수 있게 되므로써, 안전운전에 기여할 수 있게 된다.
Patent KR-20000075075-A (KR)
Inventor: LEE JUNG HO
IPC: G11C11/413
Filed: 1999-05-28
Abstract: PURPOSE: A DDR(Double Data Rate) SDRAM(Synchronous Dynamic RAM) is provided which can improve the efficiency of a system. CONSTITUTION: A DDR SDRAM can perform read/write operation by each being synchronized to two external clocks, with a structure where a bank is divided into the first and the second bank(19,20), and each of the banks receives an output signal of a predecoder(5), and the first and the second column decoder(15,18) are included which select a column line according to the decoded output signal of the predecoder after decoding the output signal. Thus, the DDR SDRAM improves the efficiency of a system by performing read/write operation almost simultaneously, and also increases the practical application of a clock by two times, by performing a command at a rising edge of two external clocks.
Patent KR-20000011278-A (KR)
Inventor: LADER STUART TODD
IPC: H03M7/40
Filed: 1999-06-03
Abstract: PURPOSE: The method for transmitting multi byte character in a network of a computer system is provided. CONSTITUTION: The method for transmitting data in a network has the steps of: receiving the character set of a fixed length performed by a processor; converting the character of a fixed length into a multi byte character; deciding the length corresponding to the multi byte character; transmitting the length and multi byte character; the deciding step includes the deciding step of length of multi byte character by converting the character row into UTF-8 encoding format; using the method, a user can transmit multi byte character in a network.
Patent KR-20000005894-A (KR)
Inventor: SHUBARCHEMAN FRED
IPC: H01H37/38
Filed: 1999-06-03
Abstract: PURPOSE: A temperature switch has a low production cost, and is easily assembled. CONSTITUTION: An expansion part(5) is operated to a switch spring of a snap switch(20) by a force transmitter. A shock absorber interacts with the force transmitter, a shape of which is changed over a upper threshold force related to a manipulation force of the switch spring at a switching point. The temperature switch has overload preventing part of the switch spring having the shock absorber. A construction unit is comprised of the force transmitter and the shock absorber. Thereby, the temperature switch has a low production cost, and is easily assembled.
Patent KR-20000006391-A (KR)
Inventor: KOBAYASHI KYOKO
IPC: C08L23/16
Filed: 1999-06-23
Abstract: PURPOSE: A thermoplastic elastomer of an olefin group is provided to be excellent in the rubber elasticity and to be possibly recycled without using the cross-linking agent. CONSTITUTION: The thermoplastic elastomer of an olefin group contains:5 to 60% of polyethylene resin(A); 40 to 95% of ethylene/alpha-olefin group copolymer(B) having 90 to 250 of money viscosity and 70 to 95% of ethylene content; thereby the thermoplastic elastomer of an olefin group is manufactured by heating the mixture of the polyethylene resin(A) and the ethylene/alpha-olefin group copolymer(B) without using the cross-linking agent.
Patent KR-20010008564-A (KR)
Inventor: CHOI BYEONG DAE
IPC: H01L29/78
Filed: 1999-07-02
Abstract: PURPOSE: A method for fabricating a transistor of a semiconductor device is provided to prevent the oxidation of a tungsten layer in a gate electrode and to prevent the increase in thickness of a gate oxide layer. CONSTITUTION: A gate oxide layer(102), a doped polysilicon layer(014), a tungsten silicide layer(106), a capping polysilicon layer(108) and a hard mask layer(110) are stacked in sequence on a silicon substrate(100). The layers above the gate oxide layer(102) are then patterned to form a gate electrode(G). Thereafter, a nitride thin film(112) is formed on the resultant structure to prevent the degradation of the polysilicon layer(104) and the gate oxide layer(102) during the following thermal treatment. Next, lightly doped drain regions(114) are formed by doping with phosphorus in surfaces of active regions spaced apart from each other across the gate electrode(G).