baber/WOPTO huggingface dataset:
Patent KR-20000027764-A (KR)
Title: Lcd with high aperture rate and high transmissivity
Inventor: EOM TAE YONG
IPC: G02F1/1337
Filed: 1998-10-29
Abstract: PURPOSE: An LCD with high aperture rate and high transmissitive is provided to remove a color shift by rubbing an orientation film and warping the orientation film according to a height of a liquid crystal layer when forming an electric field. CONSTITUTION: A upper substrate(20) and a lower substrate(30) are opposed and replaced at a certain distance. A liquid crystal layer(35) having several liquid crystal molecules(35a) is inserted into between the upper substrate(20) and the lower substrate(30). A counter electrode(23) is separated and arranged on the lower substrate(20). A gate insulating film(25) is formed on a upper portion of the lower substrate(20). A pixel electrode(27) is formed to a portion between the counter electrode(23). Orientation films(29,32) are arranged to a boundary portion of the lower substrate(20) and the liquid crystal layer(35) and between the upper substrate(30) and the liquid crystal layer(35). First and second polarizers(40a,40b) are installed to a peripheral surface of the lower substrate and a peripheral surface of the upper substrate(30).
Patent KR-19990045665-A (KR)
Title: 복수의 뱅크를 구비한 반도체 메모리 장치
IPC: G11C11/409
Filed: 1998-11-27
Abstract: 반도체 메모리 장치가 복수의 뱅크, 타이밍 제어 회로 및 래치 회로를 포함한다.  타이밍 제어 회로는 상기 복수의 뱅크에 대해 공통으로 설치되어, 각각의 뱅크를 활성화하기 위한 신호와 각각의 뱅크를 선정된 순서로 선정된 타이밍에 사전 충전하기 위한 신호를 출력한다.  각각의 래치 회로는 각각의 뱅크에 대해 설치되어 상기 타이밍 제어 회로로부터 출력된 신호의 상태를 래치한다.
Patent KR-20000034490-A (KR)
Title: Fifo ram having function for preventing glitch
Inventor: JANG KYONG JIN
IPC: G06F13/38
Filed: 1998-11-30
Abstract: PURPOSE: A FIFO RAM having a function for preventing glitch is provided so that a glitch phenomenon generated when writing data to the FIFO RAM is prevented by using a write enable signal. CONSTITUTION: A FIFO RAM having a function for preventing glitch includes a third D flip -flop (121). The data input terminal of the D flip-flop (121) receives an output signal of a second multiplexor (310) as an input signal. The input signals of the second multiplexor (310) includes a FIFO input signal(fifo_in) and an output signal of the third flip-flop (121) as a feedback signal. Among the input signal of the second multiplexor (310), the signal which will be transmitted to the output terminal of the second multiplexor (310) is a write enable signal.
Patent KR-20000037770-A (KR)
Title: Electrode for forming quadruple electric lens and dynamic focus electric gun using the electrode
Inventor: JANG HYUNG WOOK
IPC: H01J29/50
Filed: 1998-12-02
Abstract: PURPOSE: An electrode for forming a quadruple electric lens and a dynamic focus electric gun using the electrode are provided to improve the resolution of a screen by forming a uniform electric beam cross-section. CONSTITUTION: A triode section comprises a cathode(31), a control electrode(32), and a screen electrode(33). First, second, and third focus electrodes(34,35,36) form at least one circular lens and at least one quadruple lens. A final accelerating electrode(37) is installed in the vicinity of the third focus electrode(36). The electric beam passing holes for forming an electric lens are formed in each electrode. A static voltage(VS1) is applied to a control electrode(32), and a static voltage is applied to a screen electrode(33).
Patent KR-19990062768-A (KR)
Title: 조명광학계와 노광장치 및 반도체 디바이스의 제조방법
IPC: H01L21/027
Filed: 1998-12-03
Abstract: 적은 수의 제 1 광집적기(optical integrator)에 의하여 조명효율을 일정하게 유지할 수 있는 조명광학계와 그와 같은 조명광학계를 갖춘 노광장치 및 그와 같은 노광장치를 이용하는 반도체 디바이스의 제조방법을 제공한다. 
     복수의 2차 광원상을 형성하는 제 1 광집적기(13)와 그 2차 광원상으로부터 나온 광속(光束)을 입사면측(C) 으로부터 입사시켜 복수의 3차원 광원을 형성하는 제 2 광집적기(15)와, 제 1 광집적기(13)와 제 2 광집적기(15)와의 사이에 배치된 릴레이 광학계(14)를 구비하고, 릴레이 광학계(14)는, 제 1 광집적기(13)의 입사면(A)과 제 2 광집적기(15)의 입사면(C)을 거의 공액관계로 하고, 제 1 광집적기(13)의 사출면(B)과 제 2 광집적기(15)의 사출면(D)을 거의 공액관계로 하도록 구성되어 있으며, 또한 릴레이 광학계(14)는 초점거리가 f1인 제 1군의 광학계 (14a)와 초점거리(f2)인 제 2군의 광학계 (14b)를 포함하여 구성되어 있고, 양 초점거리에는 f1 ≠ f2의 관계가 있으며, 릴레이 광학계(14) 전체의 초점거리가 가변(可變)인 조명광학계. 제 1 광집적기(13)와 제 2 광집적기(15)와의 조합으로 정하여지는 조명효율의 열화를 방지할 수 있다.
Patent KR-20000038183-A (KR)
Title: Method for processing request for setting soft permanent virtual connection in asynchronous type exchange system
Inventor: PARK YONG SIK
IPC: H04L12/28
Filed: 1998-12-04
Abstract: PURPOSE: A method for processing the request for setting a soft permanent virtual connection(PVC) in an asynchronous type exchange system is provided to process the request using an existing function for processing a semi-permanent virtual connection(SVC) service, and generate a child process at each set request, thereby making the management of the exchange system easy. CONSTITUTION: If inputs of a member's number, a traffic type and a bandwidth are useful(201), a child process is generated(202) and a link of a user network interface(UNI) is found out(203). The values of a virtual path identifier and virtual channel identifier are allocated to the found UNI and a requested bandwidth is occupied(204). The routing information, related to a link of interface between networks which is connected to the exchange system of a receiver, is found out(205). The obtained information is stored in a database if an error has not occurred(206). An internal switch path to the found the link of the interface between networks is found out and pre-engaged(207). An optimum internal switch path is set and a call setting is requested to the receiver(208).
Patent KR-20000039542-A (KR)
Title: Solid color image device
Inventor: KIM SANG SIK
IPC: H01L27/146
Filed: 1998-12-14
Abstract: PURPOSE: A solid color image device is provided to improve the picture image of the solid color image device by focusing an incident beam onto a center of the optic diode. CONSTITUTION: An optic diode(104) and a gate electrode(110) are formed on a semiconductor substrate(102). A first flat layer(112) is formed on the semiconductor substrate(102). A color filter array(114) corresponding to the optic diode(104) is provided. A second flat layer(116) is formed on the first flat layer(112) in which the color filter array(114) is positioned. The second flat layer(116) has a first refraction rate. A second micro lens(118) is installed on the second flat layer(116). The second micro lens(118) has a second refraction rate. The first refraction rate is larger than the second refraction rate.
Patent KR-20000043400-A (KR)
Title: Sensing method of distribution quantity using drying mobile mode
Inventor: LEE JI SEOK
IPC: D06F33/02
Filed: 1998-12-29
Abstract: PURPOSE: A method perceiving laundry quantity is provided, which uses a drying operation mode sensing precisely the quantity distributed to a washing tank, promotes washing efficiency and can economize in water. CONSTITUTION: An automatic washer senses quantity distributed through the processes of a first step working a washing tank as a drying mode by operating a motor when a start button is input, a second step stopping the motor when the drying operation speed reaches certain point and counting the number of rotations by inertial rotation of the tank as pulse rate using PG, and a third step substituting counted pulse rate for a quantity calculating table after completing inertial rotation of the tank and detecting laundry weight.
Patent KR-19990029065-A (KR)
Title: 골프채
IPC: A63B69/36
Filed: 1996-07-16
Abstract: 본 발명에 따라 개선된 골프채(10)는 샤프트(20), 그립(40)과 헤드(30) 사이에 예비 구조된 정렬을 가진다.  상기 구조물은 샤프트, 그립과 헤드 사이에 여러개의 면을 포함한다.  한 면은 임펙트-정렬 표면이고 샤프트(29a), 그립(49a)과 헤드(39a) 사이의 단일 평면 상에 배치된다.  다른면은 샤프트(29g), 그립(49g)과 헤드(39g)사이의 또다른 단일 평면상에 배채된 타겟-정렬 표면이다.  임펙트-정렬 표면은 골프채의 타격면 및 타겟-정렬 표면과 직각을 이룬다.  또 골프채는 상기 정렬 표면을 정확하게 일치시키는 샤프트에 그립과 헤드를 장착하기 위한 마운팅 구조물을 포함한다.  상기 마운팅 구조물은, 샤프트, 그립과 헤드 사이에 결합면을 가지고 샤프트(21a, 23a), 그립(41a, 43a) 및 헤드(31a, 33a)상에 협력 작용하는 디프레션과 돌출부를 포함한다.
Patent KR-19990036196-A (KR)
Title: 폴리에스테르 방사의 제조 방법 및 장치
IPC: D01F6/62
Filed: 1996-07-19
Abstract: 본 발명은 예비 신장을 위하여 폴리에스테르 필라멘트를 가열 구역(7)에서 유리 전이점을 넘는 온도로 가열하고 가스상 매체를 역류로 폴리에스테르 필라멘트에 송풍하는 형식의 공업용 폴리에스테르 방사를 제조하는 방법에 관한 것이다.  개별 섬도 〉1 이고, 신장비를 추가 신장시키고, 높은 권취 속도로 권취하는 폴리에스테르 필라멘트(8)가 적합하다.
Patent KR-19990045718-A (KR)
Title: 전자기 유도 가열장치의 온도 제어장치 및 시동방법
IPC: G05D23/20
Filed: 1996-09-17
Abstract: 온도 제어장치는 유체통로에 설치된 자성재료의 발열체(12)와, 상기 발열체의 주위에 설치된 코일(13)과, 코일(13)에 대한 고주파 전류 발생기(5)를 구비하며 발열체(12)의 자성재료와 고온으로 되면 자성의 정도가 급격히 감소하는 자기변태를 갖는 전자기유도 유체 가열장치에 대해서 쓰이며, 고주파 전류 발생기(5)에서 코일(13)에 흐르는 전류를 측정하고 발열체(12)의 자성재료의 온도가 자기변태의 부근에 이른것을 검지하는 전류검지수단(31)과, 전류검지수단(31)에 의거해서 코일(13)에 흐르는 전류를 제한하는 전류제한수단(32)을 설치하고 이룬다.  발열체(12)의 온도가 상승해서 자기변태 온도 부근에 이르면 전류값의 상승을 검지수단(31)으로 검출하고 상승하려는 전류를 전류제한수단(32)에 의해서 제한한다. 
     시동방법은 전자기유도 유체 가열장치를 사용하고 이하의 ①∼④ 공정으로 이룬다.  ① 유체통로(11)에 유체를 채우고 정지상태의 유체에 발열체(12)가 적시는 상태로 된다.  ② 온도 조절기(2)에 의해서 소정온도를 설정하고 고주파 전류 발생기(5)에서 코일(13)에 전류를 흘린다.  ③ 발열체(12)의 자성재료의 온도가 자기변태의 부근에 이르러 코일(13)에 흐르는 전류가 증대하면 온도조절기(2)의 지령을 우선해서 전류를 제한하면서 발열체(12) 및 유체를 예열한다.  ④ 유체통로(11)에 유체를 흘리고 시동한다.
Patent KR-19990077323-A (KR)
IPC: A61F13/472
Filed: 1997-01-16
Abstract: The present invention relates to a sanitary napkin having an adhesive with perfume carrying release agents. Preferably the release agents are microcapsules that release perfume upon removal of a release liner from the adhesive, and/or during the user's wear of the sanitary napkin, and/or upon the removal of the sanitary napkin from the user's undergarment. The perfume releases are either as fragrance bursts, diffusion or both.
Patent KR-20000022055-A (KR)
Title: Hand held motor driven applicators
Inventor: STEVENS ALEC MARTIN
IPC: A01M21/04
Filed: 1998-04-21
Abstract: PURPOSE: A device is provided for a hand held motor driven applicator for apply liquids particularly weedicides selectively to undesired plants in a field, garden, crop. CONSTITUTION: The hand held motor driven applicators include: a motor (12); a rotor assembly(22) including a rotatable wick support (41) having one or more applicator wicks (45) attached thereto, the rotor assembly (22) being supported for rotation, in use, about a vertical axis (43) by support means (18); drive means (23) operatively connected to the motor (12) and the rotor assembly (22) for transferring rotary drive from the motor (12) to the rotor assembly (22); storage means (26)in liquid communication with one or more applicator wicks (45) for storing a quantity of liquid for supplying one or more wicks (45) with liquid while the rotor assembly (22) is rotating; and an elongate handle (15) operatively connected to the support means (18) by which a user may maintain the rotor assembly (22) proximal to the surface of the field, garden or crop, whereupon the applicator wicks (45) may apply liquid to selected plants upon contact. The drive means includes the drive cable connected to rotor assembly through deceleration means.
Patent KR-20000052160-A (KR)
Inventor: HWANG SUK HYUN
IPC: G09B1/16
Filed: 1999-01-30
Abstract: PURPOSE: A playing device having various sounds is provided to teach children sound property and a course that the sound is delivered to an ear. CONSTITUTION: A lower part of a resonance body(10) is picked up by a thumb and an index finger and covered with a palm. Using a middle finger, a ring finger and the thumb, a space is formed between a trembling plate(20) and fingers and then the fingers are closed. When an operating string(40) is pulled downward, a tightening piece(30) and the trembling plate are vibrated at high speed with friction caused by the contact of fingers and the operating string. The trembling plate generates vibration having various periods and sound wave is generated according to the period change caused by interference between the vibrations.
Patent KR-20000055185-A (KR)
Inventor: RYU JE YONG
IPC: G11B20/18
Filed: 1999-02-04
Abstract: PURPOSE: A method for correcting the error of read data is provided to carry out duplicated error correction process for read data outputted from an optical disk by means of a smaller capacity of storage unit. CONSTITUTION: According to a read request after the insertion of an optical disk(10), an error correction unit pack of symbol 182 read from a pickup unit(11) is filtered in an R/F unit(20), converted into a digital bit stream in a bit restorer(50) and demodulated into a symbol data of 8 bit in an ESM demodulator(60). A PI decoder(81) in an RS decoder(80) carries out error correction for the demodulated and outputted error correction unit pack, but stores a result data pack of symbol 172 in sequence from the first row in a buffer(85) of the RS decoder(80), excepting a parity data from the error correction result data pack. If the result data of symbol 172 are stored and completed 208 times, the PO decoder(84) carries out error correction for the stored data.
Patent KR-20000055773-A (KR)
Inventor: OH YANG SEOP
IPC: F02M35/14
Filed: 1999-02-10
Abstract: PURPOSE: An intake silencer apparatus for an internal engine is provided to achieve an improved ride comfort, reduced cost, and easy assembling work while performing tuning of reduced frequency in proportion to the rotational frequency of engine. CONSTITUTION: An intake silencer apparatus for an internal engine having a pre-cleaner, comprises a variable unit(18) arranged inside a housing of the pre-cleaner so as to ascend/descend by a plate, the variable unit(18) dividing the pre-cleaner into a first chamber(28) and a second chamber(30), and a plurality of variable supporting members(20) for resiliently supporting the variable unit(18). As an amount of air flowing into the pre-cleaner changes in proportion to the rotational frequency of the engine, and the variable unit(18) descends. This causes a change in volume of the second chamber(30), thus reducing a noise generated upon intake of air with respect to a predetermined frequency.
Patent KR-19990037888-A (KR)
Title: 경계석보수방법및그기구
IPC: E01F9/011
Filed: 1999-02-12
Abstract: 본 발명은 차도와 보도를 구분하는 경계석이 파손되었을 때 이를 보수하는 방법 및 그 작업에 사용되는 기구에 관한 것이다. 경계석 주변까지 모두 절단하고 드러낸 후 재포장하던 방법을 탈피하여 파손된 경계석만을 내구성 있게 간단히 포장할 수 있는 방법과 그 기구를 제공한다. 파손된 경계석(2)의 노출부분에 수지접착제인 프라이머(8)를 도포하고, 그 위에 일정 두께로 수지콘크리트(10)를 도포한 후, 그 표면을 미장기로 흙손질하면서 다시 융착기로 가열하여 흙손질하면서 융착시킨 다음, 자연경화시키는 방법이다. 손잡이로 미는 미장기는 직각의 흙손판이 텔레스코픽 지지간의 조절에 의하여 신축되고, 손잡이로 미는 융착기는 가열판이 붙어 있다. 시공성과 내후성이 우수하며, 유광식별효과와 채색효과를 가진다.
Patent KR-20000056202-A (KR)
Inventor: KANG HO WOONG
IPC: H02M3/335
Filed: 1999-02-13
Abstract: PURPOSE: A circuit for stabilizing a power source of a switching mode power source supplying device is provided to supply a constant voltage to loads by feedback the detected voltage to a driving controlling section. CONSTITUTION: A rectifying section(10) rectifies an AC current which is supplied from the outside, and outputs a DC voltage. A switch transforming section(20) comprises a winding line. A DC voltage which is outputted from the rectifying section(10) according to the driving signal outputted from a driving controlling section(50) is transformed to another voltage. A voltage supplying section(30) comprises a rectifying diode(D1) and a flattening condenser(C1). The voltage supplying section(30) rectifies the switching voltage induced by the switch transforming section(20). An output voltage feedback section outputs the amount of the change of the output voltage to a driving controlling section(50).
Patent KR-19990072758-A (KR)
Title: 내식성세라믹스부재의제조방법
IPC: C04B41/91
Filed: 1999-02-19
Abstract: 할로겐계 부식성 가스에 노출된 경우에 있어서도, 표면이 부식되지 않는 내식성 세라믹스 부재를 높은 생산성에 기초하여 저비용으로 제조하는 방법을 제공하는 것을 목적으로 한다. 
     적어도 알루미늄을 함유하는 세라믹스 소결체를 플루오르화 수소산에 침지하여 가열 처리함으로써, 상기 세라믹스 소결체의 표층부에 플루오르화 알루미늄막을 형성하는 것을 특징으로 하는 내식성 세라믹스 부재의 제조 방법이다.
Patent KR-19990072781-A (KR)
Title: 다단변속기용변속비변경제어시스템
IPC: F16H59/46
Filed: 1999-02-19
Abstract: 다단 변속기용 자동 제어 시스템은 고속비에서 중속비로의 다운시프트 제어시스템을 위한 배출 회로 내에 전기적으로 제어되는 가변 오리피스 구성을 포함한다.  가변 오리피스 구성은 배출 회로를 축압기의 축압기 챔버 및 중속비 브레이크 서보의 2중 작동 피스톤에 의해 형성된 중속비 브레이크 해제압 챔버와 연통하는 상류부와 그리고 고속비 클러치와 연통하는 하류부로 나눈다.  캘리브레이션된 유동 제어 오리피스는 하류부로부터의 오일 배출 유동을 제어하도록 배출 회로 내에 배치된다.  변속기 제어기는 다운시프트의 관성 상태 동안에 감소된 오리피스 크기를 제공하도록 가변 오리피스 구성을 감소시킨다.
Patent KR-20000056504-A (KR)
Inventor: JANG SEONG HO
IPC: H01J11/54
Filed: 1999-02-23
Abstract: PURPOSE: An exhausting pipe of a plasma display panel is to allow the exhausting pipe to be fusion-spliced on a rear surface of a substrate by a heat, thereby preventing a projection of the pipe to an outside of the substrate. CONSTITUTION: A plasma display panel is provided with an exhausting pipe(80) for discharging an internal gas to make an inside of two substrates sealed each other vacuous or injecting a desired gas in the inside of the two substrates. The exhausting pipe is formed of a material containing SiO2, Al2O3 and Na2O. The Al2O3 has a containing ratio of 1-5 weight percent, and the Na2O has a containing ratio of 15-20 weight percent. The exhausting pipe has a softening point to be melted and spliced on a rear surface of a substrate(2) by heat generated from a tip-off process. The softening point is controlled by the containing ratio of the added material.
Patent KR-20000059806-A (KR)
Inventor: LEE BYUNG NO
IPC: C07C45/58
Filed: 1999-03-09
Abstract: PURPOSE: A transition metal catalyst and a method for hydroformylation of epoxide derivatives are provided, to obtain 3-hydroxyaldehyde derivatives and 3-hydroxyester derivatives in high yield and selectivity. CONSTITUTION: The transition metal catalyst is a transition metal compound represented by the formula A-1 or A-2 containing a cyclopentadienyl group, or a compound prepared by reacting the transition metal compound with a compound containing at least one functional groups, wherein M is Co, Rh or Ir and the oxidation state of the metal is +1 or +3. 3-Hydroxyaldehyde derivatives are prepared by adding the transition metal compound of the formula 1 and a cobalt compound in the ratio of 1:1000 to 5:1 by mol to water-insoluble solvent; adding epoxide derivatives to the solution; supplying CO and H2 in the ratio of 3:1 to 1:10 by mol to the total pressure of 100-3000 psi; and increasing the temperature to 30-120°C. 3-Hydroxyester derivatives are prepared by adding a Co catalyst to the solution of alcohol and another solvent; adding epoxide derivatives to the solution; supplying CO to the pressure of 100-300 psi; and increasing the temperature to 30-130°C.
Patent KR-20000060876-A (KR)
Inventor: KIM HAK HWAN
IPC: H03G3/30
Filed: 1999-03-20
Abstract: PURPOSE: A method for computing a code value for a power control based on a temperature compensation in a wireless terminal is provided for accurately controlling an intensity of an output signal due to a temperature variation and decreasing the use of a memory. CONSTITUTION: A code value of a maximum power and minimum power based on each temperature variation and weights obtained based on an experiment are stored in a memory. A compensation value is computed in a corresponding transmission power based on a reference temperature. A code value is obtained based on each temperature variation by summing or subtracting a basic code value with respect to a reference temperature. Therefore, in the present invention, it is possible to accurately controlling an intensity of an output signal based on a temperature variation.
Patent KR-20000065814-A (KR)
Inventor: NOH HYEONG GON
IPC: H01M50/469
Filed: 1999-04-09
Abstract: PURPOSE: A fabrication method of prismatic type lithium secondary battery is provided to decrease internal consumption energy and enhance output capacitance, life and productivity. CONSTITUTION: A fabrication method of prismatic type lithium secondary battery comprises steps of: forming plural separating films and anode/cathode films having width narrower than that of the separating film; alternately inserting the anode/cathode films between the separating films; alternately laminating the anode/cathode films between the separating films; encapsulating both sides of the separating films by heating to form an electrode assembly; and dipping the electrode assembly into electrolyte and then inserting the assembly into a case to seal it.
Patent KR-20000066569-A (KR)
Inventor: KIM YONG CHAN
IPC: H01L21/331
Filed: 1999-04-19
Abstract: PURPOSE: A semiconductor device fabricating method is provided to be capable of improving the step coverage characteristics at a metal wiring process by using a second semiconductor layer as a contact plug for connecting an emitter region, a base region and a collector region to corresponding electrodes. CONSTITUTION: A semiconductor device fabricating method comprises sequentially forming a first insulation film, a first semiconductor layer and a second insulation film on a substrate(1). A second insulation film pattern is formed by etching the second insulation film(7) until the first semiconductor layer is exposed. A first semiconductor layer pattern and a first insulation film pattern(3a) are formed by etching the exposed semiconductor layer and the insulation film until a portion of the substrate(1) is exposed, so that first and second opening parts are formed which penetrate the second insulation film, the first semiconductor layer and the first insulation layer. A first semiconductor pattern and a second insulation film pattern are formed by etching the patterns so that a portion on the first insulation film pattern(3a) is exposed. A first N-epitaxial layer(11) is selectively grown on the substrate(1) corresponding to an exposed N+ buried diffusion region(2). After removing a third insulation film, a second N-epitaxial layer(12) is selectively grown so as to be connected to the first semiconductor layer pattern. After removing the second insulation film pattern, a fourth insulation film is formed on an entire surface and an N+ collector region(14) and P- active base region(15) are formed. After removing the fourth insulation film, a second semiconductor layer(16) and a fifth insulation film are formed. A fifth insulation film pattern(19a) is formed by etching the fifth insulation film so that a portion on the second semiconductor layer(16) is exposed.
Patent KR-20000067425-A (KR)
Title: Method for manufacturing semiconductor device
Inventor: KIM SEON RAE
IPC: H01L27/06
Filed: 1999-04-28
Abstract: PURPOSE: A cell pad is provided to keep from generating a popping or bubble defect in a semiconductor memory cell. CONSTITUTION: A cell pad is made by forming an interlevel insulating film on a substrate with a transistor, forming a masking layer on the interlevel insulating film, etching the interlevel insulating film to form an opening, carrying out NH.sub.3 plasma treatment on the upper portion of the substrate provided with the opening to nitrify the nitride film formed on the masking film, and form a cell pad by filling out the opening with a conductive material. The cell pad is prevented from reaction between a PE-SiN film and a polysilicon film by a NH.sub.3 plasma treatment before deposition of the polysilicon film.
Patent KR-20000073016-A (KR)
Title: Shunt-diode type switched line phase shifter
Inventor: SONG SEONG CHIL
IPC: H03H7/18
Filed: 1999-05-04
Abstract: PURPOSE: A shunt-diode type switched line phase shifter is provided to improve an insertion loss and stable phase displacements by adopting three pin diodes. CONSTITUTION: A shunt-diode type switched line phase shifter(200) includes a pin diode(50,52,54). The first pin diode is connected between a normal phase transmission line(66) and a ground. The normal phase transmission line is formed as a first transmission line between an input node and an output node. The second pin diode and the third pin diode are connected between a phase shift transmission line(64) and two grounds in the parallel way. The phase shift transmission line is formed as a second transmission line between the input node and the output node. A capacitor(62) for interrupting bias current is connected between each pin diodes on each transmission lines in series, thereby effectively preventing the bias current applied at each one of the pin diodes respectively from being feedback to the other pin diodes.