baber/WOPTO huggingface dataset:
Patent KR-20000044378-A (KR)
Title: Method for testing subscriber line and terminal
Inventor: CHOI SU DEOK
IPC: H04M3/26
Filed: 1998-12-30
Abstract: PURPOSE: A method for testing a subscriber line and a subscriber terminal is provided to meet various asks of subscriber, by guiding a result to the subscriber through various tests about the subscriber line and terminal. CONSTITUTION: A method for testing a subscriber line and a subscriber terminal comprises the steps of: commanding that an exchange tests the subscriber line and terminal in a tester connected through the subscriber line and terminal, if the subscriber transmits a predetermined signal to the exchange through the subscriber terminal; for the tester, testing the subscriber line and terminal depend on a state of the subscriber terminal in corresponding to the command; supplying a testing result with the exchange by the tester; and guiding the testing result to the subscriber through the subscriber terminal by the exchange.
Patent KR-20000045325-A (KR)
Title: Method for manufacturing semiconductor device having cylindrical capacitor
Inventor: KIM DAE YOUNG
IPC: H01L27/108
Filed: 1998-12-30
Abstract: PURPOSE: A method for fabricating a semiconductor device having a cylindrical capacitor is provided to reduce the fault of the semiconductor device by preventing a conductive spacer from separating from a scribe line or a wafer edge. CONSTITUTION: After forming a transistor on a cell area of a semiconductor substrate(100), a contact plug(16) is formed on a contact area of a capacitor storage electrode. A pattern is formed by etching an insulation layer and a first conductive layer(24). A second conductive layer is then formed. Then second conductive layer is etched to form a spacer(26) on the first conductive layer(24) so that a cylindrical storage electrode is provided. A photo-sensitive pattern(30) is coated on the cell area. Then, the spacer(26) existed in a scribe area or a wafer edge area is removed by an etching process.
Patent KR-20000045336-A (KR)
Title: Method for forming micro patterns of semiconductor device
Inventor: JANG HEON YONG
IPC: H01L21/336
Filed: 1998-12-30
Abstract: PURPOSE: A method for forming micro patterns of semiconductor device is provided to adjust the thickness of polymer and a photosensitive film to form electrodes and gaps of desired size, thereby forming transistors or connection lines of minimum size and preventing channeling phenomenon. CONSTITUTION: A method for forming micro patterns of semiconductor device comprises steps of: forming device division areas using a field oxide on a substrate; depositing a gate oxide film and a polysilicon layer; depositing a seed oxide film on the polysilicon layer; coating a photosensitive film and then exposing/developing the photosensitive film using a mask to form photosensitive film patterns; depositing a paste oxide film; etching a portion of the paste oxide film and forming polymer on side walls of the photosensitive patterns; etching the exposed paste oxide film; etching the photosensitive film and the polymer; and etching the polysilicon to form gate electrodes and electrode lines.
Patent KR-20000046993-A (KR)
Title: Method for preventing clash of machine tool
Inventor: YUN YEONG GIL
IPC: B23Q15/00
Filed: 1998-12-31
Abstract: PURPOSE: A method for preventing a clash of a machine tool is provided to prevent an approach of a shaft by stopping a transferring of the shaft when the shaft is approached to an interfering area of a machine. CONSTITUTION: To prevent a clash in an area to be able to clash divided to a moving shaft(X) of a machine tool and a moving shaft(Z) of a column, preparations of power input and machine operation for the machine tool are finished. A coordinates value of an axial interfering area become an object of an axial interference is inputted to a data table. A value control unit(10) detects an axial operated state of a machine control unit(20) by reading or recording various kinds of information inside the value control unit(10) with the machine control unit(20). A movement of the machine inside the coordinates value set in the data table is always detected. The movement to the other shaft is stopped by checking that the other shaft is in the axial interfering area when one shaft is located in the axial interfering area. When the axial transferring of the objective shaft detected the axial interfering area is continued, the transferring of shaft is immediately stopped by clashing a pallet(32) and a main shaft on a pallet table(31). And the former shaft entered into the axial interfering area is unable to be transferred. Because the objective shaft detected the axial interfering area is entered to the axial interfering area at the same time, an alarm is displayed on a message screen to inform a present situation to a driver of machine.
Patent KR-19990029039-A (KR)
Title: 신규한 방법
IPC: C07C69/63
Filed: 1996-07-11
Abstract: 본  발명은  클로로포름에  알릴  아세테이트를  점진적으로  가하는  것을  특징으로  하며,  라디칼  개시제의  존재하에  알릴  아세테이트를  클로로포름과  반응시키는  것을  포함하는  4,4,4-트리클로로부틸  아세테이트의  제조  방법에  관한다.
Patent KR-19990071641-A (KR)
IPC: B22F3/12
Filed: 1996-11-26
Abstract: A method of fabricating a fully-dense three-dimensional metal article is disclosed. According to a first embodiment of the invention, the interior portion of the article is formed by way of selective laser sintering, in a cross-section of a layer of powder. After formation of the layer of powder, the laser is directed to form a gas-impervious skin around the interior portion of the article in that layer. The process is repeated, until the article is completed. The article surrounded by the skin is then subjected to hot isostatic pressing to densify the article; the skin, which serves as the "can" for the hot isostatic pressing, may or may not be removed from the article, as desired. According to a second embodiment of the invention, the can is formed first by way of laser generation, and is then filled with the metal powder, prior to hot isostatic pressing.
Patent KR-19990082583-A (KR)
IPC: C07D521/00
Filed: 1997-02-10
Abstract: The invention concerns quinazoline derivatives of the formula I wherein X<SUP>1 </SUP>is a direct link or a group such as CO, C(R<SUP>2</SUP>)<SUB>2 </SUB>and CH(OR<SUP>2</SUP>); wherein Q<SUP>1 </SUP>is phenyl, naphthyl or a 5- or 6-membered heteroaryl moiety and Q<SUP>1 </SUP>optionally bears up to 3 substituents; wherein m is 1 or 2 and each R<SUP>1 </SUP>may be a group such as hydrogen, halogeno and trifluoromethyl; and wherein Q<SUP>2 </SUP>may be phenyl or a 9- or 10-membered bicyclic heterocyclic moiety and Q<SUP>2 </SUP>optionally bears up to 3 substituents; or a pharmaceutically-acceptable salt thereof; processes for their preparation, pharmaceutical compositions containing them and the use of their receptor tyrosine kinase inhibitory properties in the treatment of proliferative disease such as cancer.
Patent KR-20000065024-A (KR)
Title: 유체처리매체지지시스템
IPC: B01D24/24
Filed: 1997-04-24
Abstract: 본 발명은 적층된 다공성 플레이트를 제공함으로써 입상 유체 처리 매체 시스템내의 매체 막힘 및 수두 손실을 감소시키는 하부 표면 위의 유체 처리 매체를 지지하기 위한 시스템에 관한 것이다.  본 발명의 다공성 플레이트는 미세한 크기 및 굵은 크기의 포어로 이루어진 다수의 층을 가질 수 있다.  다공성 플레이트는 매체과 필터 기부 사이에 위치한다.  유체 처리 매체를 지지하기 위한 시스템은 암거 시스템의 하부구조물에 단단하게 고정되어, 매체가 필터 기부로 침투하는 것을 억제하고, 밀폐 파괴를 회피시킨다.  하부구조물은 지지 시스템의 암거 블록의 아래에 구비된 공기 라테랄 파이핑일 수 있다.  앵커는 공기 라테랄을 둘러싸는 파이프 클램프에 고정될 수 있다.
Patent KR-20000022491-A (KR)
Title: Skin lightening compositions
Inventor: VENKATESWARAN ANANTHANARAYAN
IPC: A61K8/02
Filed: 1996-07-02
Abstract: PURPOSE: Novel water-in-silicone gel composition is provided to enhance skin penetration effect of specific hydroquinone derivatives for skin lightening. CONSTITUTION: A water-in-silicone gel composition for skin lightening comprises: a) a safe and effective amount of a compound of formula (I), wherein Z is oxygen or sulfur; b) a mixture of dimethicone copolyol surfactant and cyclomethicone; and c) a cosmetically acceptable carrier for the compound of formula (I) and the mixture.
Patent KR-20000051452-A (KR)
Inventor: SHIN SUN CHEOL
IPC: H01J29/07
Filed: 1999-01-22
Abstract: PURPOSE: A shadow mask frame assembly for a plane cathode ray tube is provided to minimize a contraction of a plane shadow mask caused by tension or exterior impact. CONSTITUTION: A shadow mask frame assembly includes a shadow mask(20) selecting color of an electron beam and a frame(30) supporting the shadow mask(20). The frame(30) has a pair of supporting members(31,32) facing each other and a pair of elastic members(33,34) perpendicularly connecting both ends of the supporting members(31,32). Furthermore, the frame(30) has support bars(35a) each centrally welded to the elastic members(33,34) to support the shadow mask(20). The shadow mask(20) has a thin plated body(21) of which both opposing sides are supported by the supporting members(31,32), and a plurality of slits through which an electron beam passes and which are formed in the body(21) at regular intervals parallel to each other. In particular, each slit is divided into several units by tie bars(24) connecting both strips(22) formed at sides of the slit. Accordingly, the support bars(35a) prevent a contraction of the shadow mask(20), and the tie bars(24) prevent a vibration of the shadow mask(20).
Patent KR-20000056319-A (KR)
Inventor: KIM MU HYUN
IPC: H01L21/306
Filed: 1999-02-19
Abstract: PURPOSE: A semiconductor etching chamber having an improved uniformity is provided to perform a uniform etching by differently distributing a supplying gas. CONSTITUTION: In a semiconductor etching chamber having an improved uniformity including lower and upper electrodes(26) for making a plasma, in which a reaction gas is supplied from a plurality of grooves in the upper electrode to perform an etching by using the plasma, the grooves formed on the upper electrode in a center portion are distributed differently from those in an edge portion.
Patent KR-20000022582-A (KR)
Title: Flat display panel
Inventor: GISIHISATOSI
IPC: H01J11/22
Filed: 1999-03-02
Abstract: PURPOSE: A flat display panel is provided to realize a stable discharge by the suppression of a cell electrode degradation or the reduction of a driving voltage by the suppression of the thickness of a dielectric film. CONSTITUTION: A flat display panel displays characters, figures and images by the radiation using a discharge. The flat display panel comprises a back substrate where a number of concaves, which are to be discharge space, are arranged and a transparent front substrate where a pair of cell electrodes(2,6) are formed on an effective region facing with the concave respectively. A voltage is supplied from a pin electrode stood on the front surface to the cell electrode by penetrating the back substrate. The flat display panel has a metal electrode where the pin electrode is connected, and each cell electrode is formed flatly using a transparent electrode layer and is connected to the metal electrode.
Patent KR-20000060054-A (KR)
Inventor: BAEK WOON CHUL
IPC: G02B6/02
Filed: 1999-03-11
Abstract: PURPOSE: An apparatus for fabricating an optical fiber lattice by using minute bends and a method thereof are provided to fabricate a long period optical fiber lattice free from damaging tensile strength of the optical fiber by using minute bends created by varying conditions under which a CO2 laser is exposed to the optical fiber. CONSTITUTION: A laser is generated in a pulse so that the user can adjust beam and electric power thereof. A reflection mirror(12) is used to control a beam path, and a lens(13) is used to set the focus of the laser beam. The focal length of the lens(13) is adjusted according to a control signal(13a) transmitted from a controlling computer(15). An optical fiber support on a shelf(14) fixes both ends of the optical fiber(16) and applies tension to the optical fiber(16). The controlling computer(15) can adjust intensity of the laser beam from a laser system(11), the focal length of the lens(13) and tension strength of the optical fiber support.
Patent KR-19990046464-A (KR)
Title: 지렁이분변토를이용한환경오염물질처리제및그제조방법
Filed: 1999-03-16
Abstract: 본 발명은 하폐수 및 대기오염물질을 제거하기 위하여 주로 사용되고 있는 활성탄과 대체할 수 있는 지렁이 분변토를 이용한 환경오염물질 처리제 및 그 제조방법에 관한 것으로, 지렁이 분변토를 100∼110℃에서 건조한 후 520∼580℃에서 3분간 1차적으로 회화(灰火)시켜 유기물을 제거하는 단계; 
     1차 회화 후 서서히 온도를 높여 수산화칼륨(KOH)용액을 이용하여 700∼800 ℃에서 5분간 2차 회화시켜 지렁이 분변토를 활성화시키는 단계; 및 
     활성화된 분변토를 물로 세척하여 회분을 제거하고 수세하는 단계; 에 의해 제조됨으로써, 본 발명에 따르면 지렁이 분변토를 활성화시켜 비표면적과 미세기공을 확대시켜 지렁이 분변토를 활성탄을 능가하는 특성이 있도록 제조할 수 있어서 활성탄의 수입대체효과를 얻을 수 있음과 동시에 저렴하고 간단한 방식으로 환경오염물질을 처리할 수 있어 처리효율이 뛰어나게 된다.
Patent KR-19990083073-A (KR)
Title: 페디클 나사 및 이를 위한 조립 보조물
IPC: A61B17/58
Filed: 1999-04-09
Abstract: 본 발명은 페디클 나사 및 조립 보조물에 관한 것으로, 페디클 나사는 나사형 생크와 두 개의 이격된 섹션에 의해 형성된 포크형 헤드를 포함하고 있으며, 섹션들 사이에는 신장형 로드를 수용하기 위한 수용부가 형성되어 있으며, 서로 대향하는 섹션들의 측부 상에는 헤드 상에 로드를 고정시키기 위한 나사 요소가 결합될 수 있도록 나사형 섹션이 제공되어 있다.  페디클 나사의 헤드 섹션은 그의 외측에 리셋스를 포함하고 있으며, 조립 보조물은 내부에서 생크가 축선방향을 따라 회전식으로 고정가능하게 변위하는 신장형 슬리이브를 포함하고 있으며, 생크의 전방 단부 상에는 전방 그리핑 섹션을 갖춘 두 개의 평행한 아암들이 인장력을 전달하기 위해 전방 그리핑 섹션이 헤드의 리셋스 내로 결합되어 인장력을 전달할 수 있는 거리만큼 이격된 상태로 부착되어 있으며, 슬리이브와 생크 사이에는 슬리이브와 생크가 축선방향으로 상대 이동하는 것을 조절하기 위한 조절 기구가 제공되어 있으며, 생크는 그의 전방 단부를 초과할 때까지 슬리이브의 후방 단부로부터 상대적으로 얇은 생크 기구가 진행할 수 있는 축선방향 경로를 포함하고 있다.
Patent KR-19990083225-A (KR)
Title: 내식성 세라믹 부재
IPC: C04B41/89
Filed: 1999-04-15
Abstract: 본 발명은, 세라믹 기재와의 밀착성이 우수한 플루오르화물 표면층을 구비하며, 할로겐계 부식성 가스 플라즈마에 대하여 높은 내식성을 나타내는 내식성 세라믹 부재를 제공하는 것을 목적으로 한다. 
     세라믹으로 이루어진 기재 상에 플루오르화물 표면층이 형성되어 있는 본 발명의 세라믹 부재는, 상기 기재와 상기 플루오르화물 표면층 사이에, 상기 세라믹과 플루오르화물로 이루어진 중간층이 형성되어 있는 것을 특징으로 하는 내식성 세라믹 부재이다. 
     상기 중간층은 주로, 세라믹 소결체를 플루오르화수소산에 침지시켜 가열 처리를 행함으로써, 플루오르화물 표면층과 동시에 형성한다.
Patent KR-20000073048-A (KR)
Inventor: KIM BYEONG SUN
IPC: F24F1/00
Filed: 1999-05-04
Abstract: PURPOSE: A multi-split air conditioner is provided to control the noise produced in a refrigerant pipe by adopting a bypass pipe and a control unit. CONSTITUTION: A service valve(57a) is locked to close a refrigerant pipe connected to a chamber without needing heating and/or cooling. In heating and/or cooling operation, a refrigerant flows to an indoor heat exchanger(52b) of the chamber by passing through the bypass pipe while a control unit(70) senses the closure of the service valve. Then, an indoor fan of the chamber stops driving. Herein, heat exchange with the indoor air of the chamber is not performed actively. Thereby, an entire system is not affected in its efficiency.
Patent KR-20010002023-A (KR)
Inventor: PARK CHEOL U
IPC: H01J31/15
Filed: 1999-06-10
Abstract: PURPOSE: A fluorescent display tube is provided to improve the brightness defective by preventing a mesh deflection while a degree of freedom of a pattern and mesh design are improved. CONSTITUTION: A fluorescent display tube includes a vacuum vessel, an anode(18), a plurality of filaments(20) and a grid electrode(22). When a voltage is applied to a cathode(20), the grid electrode(14) and the anode(18) through each of rid lines(30), the filaments of the cathode(20) are heated, and then hot electrons are emitted. The emitted hot electrons are accelerated and diffused by the grid electrode(14). A mesh fixing device(28) prevents a divided mesh(24) of the grid electrode(14) from being deflected. The hot electrons are uniformly provided to a fluorescent substance of the anode(18). Accordingly, the fluorescent substance uniformly emits light so that it is possible to improve the brightness defective due to the deflection of a mesh.
Patent KR-20000006090-A (KR)
Inventor: HENMI TERUO
IPC: C01B39/02
Filed: 1999-06-11
Abstract: PURPOSE: A production method for an artificial zeolite is provided to have at a low cost, and to be an equal quality by an unused material such as an eruptions, an incinerated lime, and a waste glass. CONSTITUTION: The artificial zeolite is produced by:heating an inorganic component having the silicic acid and the aluminum in the state existed water and the alkali.
Patent KR-20000006221-A (KR)
Inventor: PDUNKE ERIK PETER
IPC: H04N5/44
Filed: 1999-06-16
Abstract: PURPOSE: A method of operating PDP is provided to prevent the appearance of stable dither pattern when the display signal is effected by the dithering. CONSTITUTION: The method comprises the steps of providing the video signal, adding noise to the video signal to take an improved signal, dithering the improved signal to acquire display signal. In the step of adding noise, only the negative type noise may be added and the improved signal may be transformed before the dithering step. Noise generator may generate small amount of noise corresponding to 0.5 lowest bit obtained by pseudo-random noise generator and noise may be added to high ohm point in the circuit for the allowance of simple noise input by register.
Patent KR-20010002983-A (KR)
Inventor: LEE GYU YEONG
IPC: H04W76/02
Filed: 1999-06-19
Abstract: PURPOSE: An apparatus for processing calls in a BSC(Base Station Controller) of a mobile communication system is provided to firstly decide whether a voice compressing algorithm is necessary, according to a service kind or a speech type required by a user, and to install a call processing processor removing digital signal processors to directly transmit inputted data from a base station to an MSC(Mobile Switching Center), so as to reduce the number of the digital signal processors, and to shorten the time for performing data communication. CONSTITUTION: If a call setup request is inputted to a BSC from a base station(S1), a call control processor of the BSC decides whether a voice compressing algorithm is necessary relating to signals, which are inputted according to service kinds and speech types required by a user, and retrieves resources capable of performing each call processing, then allocates an appropriate call processing processor(S2). The call control processor requests a channel assignment to an MSC(S3). If a response relating to the channel assignment is received from the MSC, a channel is set up to start a call through the channel(S5). The call processing processor transmits a response relating to the call setup request from the base station(S6). A voice or a data signal transmitted from the base station is processed in the call processing processor, respectively, and transmitted to the MSC.
Patent KR-20010003134-A (KR)
Inventor: CHO SEONG JIN
IPC: D06F17/10
Filed: 1999-06-21
Abstract: PURPOSE: A direct coupling type washing machine is provided to improve the washing effect of the washing machine by generating a rotational liquid flow together with an injecting liquid flow at a center of a washing tub. CONSTITUTION: A direct coupling type washing machine comprises a pulsator(21) integrally formed with a washing tub(2). A driving shaft(4) for transferring the rotational force of a motor(5) to the washing tub(2) is coupled to a hub(3). The driving shaft(4) is formed with an upper serration portion(41) and a lower serration portion(42). An agitator(6) is coupled to the upper serration portion(41) of the driving shaft(4). The agitator(6) is formed at an inner portion thereof with a hollow portion. A plurality of nozzles(61) are formed at an outer surface of the agitator(6). A cover(62) is provided to guide the washing liquid from the nozzles(61) to the hollow portion of the agitator(6).
Patent KR-20010003442-A (KR)
Inventor: KIM YEONG SEO
IPC: H01L21/28
Filed: 1999-06-23
Abstract: PURPOSE: A method for manufacturing an interconnection of a semiconductor device is provided to guarantee a sufficient overlap margin with an upper interconnection by making an upper width of a self-aligned pattern wider than a lower width. CONSTITUTION: A semiconductor substrate(30) is prepared which has a plurality of conductive layer patterns on which a passivation layer is formed. An insulating layer spacer(35) is formed on both sidewalls of the conductive layer pattern(33) and the passivation layer(34). The first insulating layer for an interlayer insulation is formed on the entire surface of the substrate. The surface of the first insulating layer is etched by the first thickness and a protruding part(36A) of the first insulating layer having a width less than that of the passivation layer is formed on the passivation layer. A sacrificial layer spacer is formed on a sidewall of the protruding part, and the first insulating layer(36) between the insulating spacers is secondly etched until the surface of the substrate is exposed to form the first contact hole for a self-aligned pattern. The sacrificial layer spacer is removed. A conductive layer for the self-aligned pattern is formed on the entire surface to fill the first contact hole. The conductive layer is entirely etched to expose the surface of the protruding part of the first insulating layer so that the self-aligned pattern of which an upper portion has a width greater than a lower portion is formed.
Patent KR-19990073411-A (KR)
Title: 열용융방사장치의노즐팩구조
IPC: D01D4/02
Filed: 1999-07-06
Abstract: 본 발명은 열 용융 방사장치의 노즐팩 구조에 관한 것으로, 폴리머도입통로(210a)가 구비되고 볼트에 의해 바디(100)에 체결되도록 다수개의 볼트공이 리브(212)상에 구비되고, 상기 리브(212)의 중앙부분에 형성되어 내주면에 세개의 돌기(216)가 삼각구조로 구비되고 상기 돌기 하측에 위치되어 원주방향에 소정각도 테이퍼져 형성되는 관통홈(218)이 구비된 노즐팩수용체(210)와; 중앙부에 폴리머이동통로(240a)가 구비되고 상기 돌기(216) 사이를 통해 관통되어 소정각도 회전에 의해 상기 관통홈(218)에 결합되는 세개의 대응(246)고리가 외주면상에 형성되는 돌출부재(244)와, 상기 돌출부재저면에 형성되는 평면상의 안착부재(242)로 구성되는 탑인서트(240)와; 하측에 필터부(260)가 구비되고, 상기 필터부(260) 상측에 안착부재 부분이 놓임으로서 탑인서트(240)를 수용하는 노즐팩본체(250)로 구성되어; 탑인서트(240)가 장착된 노즐팩본체(250)를 노즐팩수용체(210)의 하부에서 소정각도 회전에 의해 체결됨을 특징으로 하는 열용융 방사장치의노즐팩 구조를 제공하는데 그 기술적 요지가 있다.
Patent KR-20010010915-A (KR)
Inventor: JUNG DAE HYEON
IPC: B23P15/00
Filed: 1999-07-23
Abstract: PURPOSE: A method for producing a dome-shaped bearing is provided to improve the sphericity of a spherical surface in an injection-molded product from a metal mold by previously performing a lapping process. CONSTITUTION: A dome-shaped recessed groove is formed by a discharge process. A recessed spherical surface of a metal mold(10) is lapped. A groove is embossed by etching the spherical surface inside the metal mold. Intrusion material is filled in the recessed groove of the metal mold and compressed before solidified. The intrusion material is separated from the metal mold. Then, the spherical surface of the intrusion is after-processed by polishing.
Patent KR-20010011447-A (KR)
Inventor: EOM JAE YONG
IPC: G02B26/10
Filed: 1999-07-28
Abstract: PURPOSE: A structure for supporting a mirror of an optical scanning unit is provided to stably perform the position adjustment of the mirror, thereby preventing the breakage of the mirror. CONSTITUTION: A mirror(M) for reflecting a light is fixed at a holder plate(100). The holder plate(100) is fastened to a fixed bracket(200) mounted in an optical scanning unit. Since a fastening screw(210) penetrating a center portion of the fixed bracket is fastened in a groove of the holder plate(100), holder plate(100) and the fixed bracket are connected to each other. A washer(230) is fastened to a head of the fastening screw, and a spring(220) is installed between the washer and the fixed bracket. An end of an adjustment screw(300) contacts with the holder plate(100). The holder plate(100) is supported at the fixed bracket by the power balance between the fastening screw, the spring, and the adjustment screw. An angle of the mirror is adjusted by releasing or fastening the adjustment screw in the course of the assembly. The angle of the mirror is adjusted by rotating the adjustment screw, and adjusting the compression force of the holder plate(100) after the assembly being finished.
Patent KR-20010011996-A (KR)
Inventor: PARK JONG WAN
IPC: H01J9/20
Filed: 1999-07-27
Abstract: PURPOSE: An AC PDP(plasma display panel) applies a mixed layer composed of MgO and TiO2 as a protecting layer so as to discharge plasma at low voltage. CONSTITUTION: To form a protecting layer for an AC PDP, a mixed film of magnesia and titanium oxide is used for the protecting layer. Herein, amount of the titanium oxide is 0-30 mol%. Therefore, discharge voltage is remarkably reduced while increasing memory margin. Thus, voltage characteristic is stabled while driving the panel for a long time. Then, intensity and efficiency is improved while reducing producing cost.