baber/WOPTO huggingface dataset:
Patent KR-20030011886-A (KR)
IPC: C09K3/18
Filed: 2002-04-12
Abstract: 저온에서 처리해도 물품에 발수발유성을 부여할 수 있고, 또 촉감이 유연한 발수발유가공을 할 수 있는, 발수발유제 조성물의 제공.     하기 단량체 (a) 의 중합단위 및 하기 단량체 (b) 의 중합단위를 실질적으로 포함하는 공중합체를 필수로 하는 발수발유제 조성물. 
     단량체 (a) : 호모폴리머의 R f 기에 유래하는 미세결정 융점이 존재하지 않거나, 또는 50℃ 이하인 R f 단량체. 
     단량체 (b) : 호모폴리머의 측쇄에 유래하는 미세결정 융점이 30℃ 이상인 R f 기를 함유하지 않은 단량체.
Patent KR-20040063016-A (KR)
Inventor: AHN HONG JI
IPC: B01J37/00
Filed: 2003-01-04
Abstract: PURPOSE: A mixed metal catalyst is provided to reduce amount of byproducts generated during addition reaction by preparing catalyst for alkylene oxide addition reaction using support, control size of catalyst during preparation of catalyst and reduce cost by lowering metal content, and a process for preparing the same is provided. CONSTITUTION: The process for preparing mixed metal catalyst for alkylene oxide addition reaction comprises a first step of preparing metal nitrate aqueous solution, Na2CO3 aqueous solution and NaOH aqueous solution; a second step of dispersing a support into distilled water; a third step of preparing solid product by slowly dropping the metal nitrate aqueous solution, Na2CO3 aqueous solution and NaOH aqueous solution into the solution of the second step as adjusting the metal nitrate aqueous solution, Na2CO3 aqueous solution and NaOH aqueous solution prepared in the first step to pH of 8 to 10; and a fourth step of preparing the mixed metal catalyst that is a final product by firing the cleaned and separated product at an inert atmosphere after cleaning the product with distilled water and separating the product from cleaning water. In an alkylene oxide addition reaction in which alkylene oxide is added to lipophilic material selected from fatty alcohol, fatty amine, fatty acid ester and fatty acid, the mixed metal catalyst for alkylene oxide addition reaction is characterized in that the addition reaction is performed in the temperature range of 150 to 250 deg.C using 0.05 to 0.6 wt.% of the mixed metal catalyst.
Patent KR-20040063026-A (KR)
Inventor: JUNG JANG GYUN
IPC: C22C13/00
Filed: 2003-01-04
Abstract: PURPOSE: A Sn-Cu-In ternary lead free alloy for soldering is provided which does not contain lead harmful to the human body, lowers melting temperature of the soldering process and improves surface wettability of solder. CONSTITUTION: The lead free alloy for soldering is characterized in that it is a Sn-Cu-In ternary lead free alloy for soldering formed by adding indium (In) to Sn-Cu as constituents, wherein the Sn-Cu-In ternary lead free alloy for soldering comprises 1.0 to 2.5 wt.% of copper (Cu), 0.001 to 1.5 wt.% of indium (In) and a balance of tin (Sn).
Patent KR-20030060801-A (KR)
Title: 카본나노섬유의 제조방법과 카본나노섬유
IPC: D01F9/127
Filed: 2003-01-07
Abstract: 본 발명은 카본나노섬유, 특히 카본나노코일, 카본나노트위스트 또는 카본나노로프 등의 꼬임을 갖는 카본나노섬유를 제조하기 적합한 촉매를 사용한 제조방법을 제공하는 것으로, 적어도 Cr, Mn, Fe, Co, Ni 또는 이들의 산화물로 이루어진 군으로부터 선택된 하나 또는 복수의 재료와, Cu, Al, Si, Ti, V, Nb, Mo, Hf, Ta, W 또는 이들의 산화물로 이루어진 군으로부터 선택된 하나 또는 복수의 재료로 이루어진 촉매를 사용하여 탄소함유가스를 원료로 한 촉매 CVD법에 의해 카본나노섬유를 제조하는 것을 특징으로 한다.
Patent KR-20040065714-A (KR)
Inventor: KANG SEOK WEON
IPC: E03B9/10
Filed: 2003-01-16
Abstract: PURPOSE: A water meter and a protective container of the water meter are provided to improve checking efficiency by installing plural water meters in the protective container and to execute construction and check of the water meter easily. CONSTITUTION: Plural water meters(7) are installed in a protective container. The protective container is composed of a body(2) for mounting the water meters, a container lid with a handle, and upper and lower thermal insulating members(4,5) for preventing freezing. A distributing pipe(6) is combined with plural water meters, and placed between a fixing unit(13) protruded in the lower thermal insulating member and a valve(8) of a pipe(9). Plural holes(11) are formed in the lower part of the body to fit tubes(10), and plural holes(11a) are formed at the side of the lower thermal insulating member. Water meters are fitted to the tubes through the holes of the body and the thermal insulating member.
Patent KR-20030065326-A (KR)
Title: 절연층 매립형 반도체 탄화 실리콘 기판의 제조방법 및 그제조 장치
IPC: H01L21/02
Filed: 2003-01-16
Abstract: SOI 기판 위에 단결정 탄화 실리콘 박막을 염가이고 또한 용이하게 형성한다. 
     표면 실리콘층 (130)의 막두께가 10nm이하로 매립 절연물층 (120)을 가지는 SOI 기판 (l00)을 가열로 (200)내에 설치하고, 가열로 (200)내에 수소 가스 G1과 탄화수소계 가스 G2와의 혼합 가스 (G1+G2)를 공급하면서, 가열로 (200)내의 분위기 온도를 상승시켜, S0I 기판 (100)의 표면 실리콘층 (130)을 단결정 탄화 실리콘 박막 (140)으로 변성시키는 제 1의 공정과, 제 1의 공정을 과잉으로 행하여 탄소 박막 (150)을 단결정 탄화 실리콘 박막 (140)의 위에 퇴적시키는 제 2의 공정 과, 혼합 가스 (G1+G2)를 소정의 비율로 산소 가스 G3가 혼합된 불활성 가스 G4로 치환 하고, SOI 기판 (100)을 550℃ 이상으로 가열해서 탄소 박막 (150)을 에칭으로 제거하는 제 3의 공정과, 산소 가스 G3가 혼합된 불활성 가스 G4를 산소 가스 G3가 혼합되지 않은 순수한 불활성 가스 G4로 치환 하고, 가열로 (2O0)내의 분위기 온도를 소정의 온도까지 상승시키는 제 4의 공정과, 소정의 분위기 온도를 유지한 상태에서, 수소 가스 G1과 실란계 가스 G5를 가열로 (200)내에 공급해서 S0I 기판 (100)의 표면의 단결정 탄화 실리콘 박막 (140)의 위에 새로운 단결정 탄화 실리콘 박막 (160)을 성장시키는 제 5의 공정을 가진다.
Patent KR-20040067488-A (KR)
Title: Binding device of truck
Inventor: JANG BYEONG JU
IPC: B60P7/06
Filed: 2003-01-23
Abstract: PURPOSE: A freight binding device for a freight vehicle is provided to simplify the structure even if a separate spanner for fastening and unfastening a nut is used, to fix and install the device to the side of a tray by minimizing the weight and volume of products, and to secure a structurally firm and flexible operation. CONSTITUTION: A freight binding device for a freight vehicle is composed of a supporting body(2); a winding bar(4) rotatively installed to the supporting body and formed with a winding unit(24) with a band inserting hole(22) and a spiral unit(26) with interposing a supporting piece(20) between the winding unit and the spiral unit; a ratchet wheel(8) inserted into the spiral unit of the winding bar to prevent a reverse by a reverse preventing tool(6) of the supporting body; and a nut(10) screw-combined to the spiral unit of the winding bar. In fastening the nut, the nut pressurizes the ratchet wheel and accordingly the ratchet wheel is inserted between the supporting piece and the nut and integrated with the winding bar.
Patent KR-20030066412-A (KR)
Title: 요소제조 플랜트용 2상 스테인레스강
IPC: C22C38/00
Filed: 2003-01-30
Abstract: 본 발명의 목적은 우수한 내식성을 가지는 요소제조 플랜트용 2상(相) 스테인레스강을 제공하는 것에 있다. 
     본 발명은 질량%로, C : 0.03% 이하, Si : 0.5% 이하, Mn : 2% 이하, P : 0.04% 이하, S : 0.003% 이하, Cr : 26% 이상 ∼ 28% 미만, Ni : 6 ∼ 10%, Mo : 0.2 ∼ 1.7%, W : 2% 초과 ∼ 3% , N : 0.3% 초과 ∼ 0.4%를 함유하고, 잔부가 Fe 및 불순물로부터 이루어지며, 불순물로서의 Cu가 0.3% 이하의 요소제조 플랜트용 2상 스테인레스강에 관한 것이다. 상기 강은,  Ca, Ce 및 B 중의 1종 이상을 더 함유해도 좋고, 불순물 중의 Al이 0.05% 이하, O(산소)가 0.01% 이하인 것이 바람직하다. 또한 아래 식으로부터 얻어지는 경도의 증가(△Hv)가 80 이하인 것이 바람직하다. 또한 Hv1은, 용체화(溶體化) 처리 및 800℃ 에서 30분 가열하여 수냉하는 열처리를 실시한 후의 강의 비커스 경도이고, Hv2는 용체화 처리를 실시한 후의 강의 비커스 경도이다. 
     △Hv = Hv1 - Hv2
Patent KR-20040069807-A (KR)
Inventor: SEO YEONG HUN
IPC: H01L27/108
Filed: 2003-01-30
Abstract: PURPOSE: A thin film capacitor and a method of manufacturing the same are provided to improve the capacitance and to reduce the size by using a protrusion with a spacer. CONSTITUTION: A lower insulating layer(12) and a thin film capacitor are sequentially formed on a semiconductor substrate structure(11). The capacitor includes a first electrode layer(16), a dielectric film(17) on the first electrode layer and a second electrode layer(18) on the dielectric film. A plurality of protrusions(13') with spacers(15') are formed on the lower insulating layer, thereby forming a plurality of protrusions on the capacitor. The protrusion is made of one selected from the group consisting of metal, nitride and oxide. The spacer of the protrusion is made of nitride.
Patent KR-20040072825-A (KR)
Inventor: HAN JAE DEOK
IPC: H01L21/304
Filed: 2003-02-11
Abstract: PURPOSE: A substrate cleaning apparatus using ultraviolet rays is provided to enhance the cleaning performance by measuring and controlling easily an interval between a substrate and a quartz window. CONSTITUTION: A quartz window(118) is opposite to one side of a substrate(1). An ultraviolet source(112) is installed at an upper part of the quartz window in order to radiate ultraviolet rays to one side of the substrate. A moving plate(120) is used for supporting the substrate. A moving assembly(130) is used for controlling an interval between the substrate and the moving plate by moving the moving plate. A contact gauge(200a) is moved along the moving plate in order to be stuck to or be separated from a plurality of touch pads(204a).
Patent KR-20040072931-A (KR)
Inventor: KIM YEONG SEOK
IPC: B60R21/207
Filed: 2003-02-11
Abstract: PURPOSE: A structure of a side airbag for a vehicle is provided to minimize the injury of a passenger by forming an auxiliary chamber at the sides of first and second chambers. CONSTITUTION: A structure of a side airbag is composed of a diffuser chamber(51) having an opening(51a) into which gas is introduced, a first chamber(53) inflated by gas introduced from the diffuser chamber and protecting the chest of a passenger, a second chamber(55) inflated by gas introduced from the first chamber and protecting the head of the passenger, a partition panel(52) having a plurality of vent holes(52a), and an auxiliary chamber(60). The auxiliary chamber is formed at the sides of the first and second chambers, and is inflated by gas introduced from the first or second chamber.
Patent KR-20040076711-A (KR)
Inventor: HUH SUN HAENG
IPC: F16C11/10
Filed: 2003-02-26
Abstract: PURPOSE: A monitor device is provided to reduce a material handling cost due to custody and transportation by reducing a package volume. CONSTITUTION: A stand part is placed between a monitor main body and a base part. A base hinge(15) enables the stand part to be rotated/folded to the base part by connecting the stand part and the base part. A rotation controlling part(50) prevents/allows the rotation of stand part to the base part. The base hinge includes a base bracket(30) combined to the base part, a stand bracket(20) combined to the stand part, and a hinge shaft(40) rotatively supporting the stand bracket to the base bracket.
Patent KR-20040078228-A (KR)
Inventor: JU JIN HO
IPC: G03F7/023
Filed: 2003-03-03
Abstract: PURPOSE: A chemically amplified photoresist composition for LCD is provided to improve sensitivity of the photoresist by comprising novolac derivatives of which solubility in a developing solvent can be varied by acids. CONSTITUTION: The chemically amplified photoresist composition for LCD is represented by the formula 1, 2 and 3, wherein each x and y is related with the degree of protection groups, x is an integer of 50-65 and y is an integer of 35-50. The chemically amplified photoresist composition for LCD is prepared by reacting a novolac resin with 35-50mol% of a compound having functional groups that cause changes in solubility of the compound in a developing solvent, wherein the compound includes di-t-butyl dicarbonate, dihydropyran or t-butylvinylether.
Patent KR-20040084335-A (KR)
Title: Print attached to cellular phone, enabling user to confirm contents of transmitted e-mail through document obtained by printing the e-mail
Inventor: YUN KWANG SUN
IPC: H04B1/38
Filed: 2003-03-27
Abstract: PURPOSE: A print attached to a cellular phone is provided to control power of an electronic apparatus of a cellular phone, and to install an electronic semiconductor for printing, to drive the electronic semiconductor when an operational power switch of a printing apparatus of the cellular phone is operated, thereby performing a printing process. CONSTITUTION: A cover(1) has a screen. A paper cover(3) is detachable. A paper driving motor(3-1) is coupled with an electric motor. A ring(4) is used to vertically move the over(1) and a body. A roller(5) fixes right/left movements of a chain(12). A printing apparatus(6) is used for printing. A motor(7) horizontally moves an apparatus of a printed part. An injection mold(9) vertically moves print apparatuses while inserting a paper thereinto. A fixing bar(13) is used to fix the printing apparatus(6). A keyboard is installed on a part(14).
Patent KR-20040040305-A (KR)
Inventor: MASAHITO JINNO
IPC: H02M1/34
Filed: 2003-04-03
Abstract: PURPOSE: A power converter module having active snubber circuit for regenerating surge energy is provided to improve conversion efficiency by regenerating the surge energy. CONSTITUTION: An active snubber circuit includes a snubber diode, a snubber capacitor, a snubber transformer, and the second power switch. The snubber diode(D) includes the first diode terminal connected electrically to the first node and the second diode terminal connected electrically to the fourth node. The snubber capacitor(Cs) includes the first capacitor terminal connected electrically to the second node and the second capacitor terminal connected electrically to the fourth node. The snubber transformer includes the first winding and the second winding connected electrically to the second load. The first winding includes the first terminal and the second terminal. The second power switch(S2) includes the first switch terminal connected electrically to the fifth node and the second switch terminal connected electrically to the third node.
Patent KR-20040087422-A (KR)
Inventor: KIM SEON MI
IPC: H04M1/72469
Filed: 2003-04-07
Abstract: PURPOSE: A mobile terminal for guiding function manipulation and a method for guiding function manipulation using the same are provided to allow a user to be easily informed various functions of a mobile terminal without consulting a manual. CONSTITUTION: A controller checks whether key word information is inputted(S100). If key word information is inputted, the controller controls an LCD module to display set information corresponding to the keyword information and selectable key guidance information on a screen, and also guides utilization of a function corresponding to the key word information by emitting a selectable key corresponding to the key guidance information displayed on the screen(S140). The controller performs a corresponding operation according to a select signal of the emitted key(S160).
Patent KR-20040088797-A (KR)
Title: Metal aluminum panel for piping hot-water hypocaust hoses
Inventor: AHN JIN HONG
IPC: F24D3/12
Filed: 2003-04-11
Abstract: PURPOSE: A metal aluminum panel for piping hot-water hypocaust hoses is provided to save energy, to secure excellent thermal efficiency, to execute a heating operation without sand/cement plastering, to remove environmental waste, and to simplify construction and reduce load. CONSTITUTION: In a metal aluminum panel for piping hot-water hypocaust hoses(12), when hot water flows after the hoses are mounted in heat-through passages(2), heat of the hot water is stored in a heat space part and dispersed over the whole part of the metal aluminum panel to heat the panel immediately. Balks are cut according to the size of a construction place, arranged on the floor, and then, the horizontal balance of the balks is accurately set. After cutting the metal aluminum panel according to the construction standard, the cut panels are arranged on fixing balks, assembled to a right assembling joint(14) and a left assembling groove(16), and fastened to a fixing tool(8) by a nail.
Patent KR-20030082442-A (KR)
Title: 기체 발생 시스템
IPC: H01M8/06
Filed: 2003-04-15
Abstract: 기체 발생 시스템은 액체/기체 분리기와 일체화된 화학적 반응기를 포함한다.  상기 반응기는 수용액의 연속적 스트림을 수용하도록 구성된다.
Patent KR-20030089477-A (KR)
Title: 자기 랜덤 액세스 메모리
IPC: G11C11/15
Filed: 2003-05-15
Abstract: 설정 회로에는, 기입 워드/비트선 전류의 공급/차단 타이밍, 크기 및 그 시간적 변화(전류 파형)를 결정하는 설정 데이터가 등록된다.  기입 전류 파형 제어 회로는, 이 설정 데이터에 기초하여 기입 워드선 드라이브 신호, 기입 워드선 싱크 신호, 기입 비트선 드라이브 신호 및 기입 비트선 싱크 신호를 생성한다.  기입 워드/비트선 전류의 전류 파형은 칩마다 또는 메모리 셀 어레이마다 제어된다.
Patent KR-20040102637-A (KR)
Inventor: LIM DONG GYU
IPC: H01L21/027
Filed: 2003-05-28
Abstract: PURPOSE: An exposure apparatus and an exposure method using the same are provided to detect the lens distortion in advance by using a standard mask and a test mask. CONSTITUTION: An exposure apparatus comprises a light source(10), a projection lens(15), a scanner/stepper system(11), a standard mask(13) having a first vernier, a test mask(14) having a second vernier, and an analysis sensor(19). A first light from the light source is diffused through the standard mask and is projected onto a wafer through the projection lens to form an image of the first vernier. A second light from the light source is diffused through the standard mask and is projected onto a wafer through the projection lens to form an image of the second vernier. The analysis sensor senses the positions of the images of the first and the second verniers and decides the degree of lens distortion automatically by quantitatively analyzing an offset difference between the images.
Patent KR-20040105038-A (KR)
Inventor: KO YONG SEON
IPC: H01L21/44
Filed: 2003-06-04
Abstract: PURPOSE: A method for forming an interconnection layer in a semiconductor device and a structure thereof are provided to reduce a short of the interconnection layer and an active region by forming a thick insulating layer covering the active region. CONSTITUTION: A first and a second gate electrodes(113,114) are formed on a substrate. A thick insulating layer(112) is formed covering the gate electrodes. A recess pattern is formed in the insulating layer. The width of the insulating layer(L1) is larger than the length between the inner walls of the first and the second gate electrodes and smaller than the length between the outer walls of the first and the second gate electrodes. A first and a second contact holes are formed to expose the first and the second electrode, respectively in the recess pattern. An interconnection layer(116) is formed on the recessed pattern to connect the first and the second electrodes.
Patent KR-20040106878-A (KR)
Inventor: KWON GYEONG SIK
IPC: B60H3/06
Filed: 2003-06-12
Abstract: PURPOSE: A vehicle air conditioner is provided to prevent the introduction of impurities and bad smells into a vehicle room by two sets of filter units, thereby keeping the inside of a vehicle pleasantly. CONSTITUTION: A vehicle air conditioner includes a dust removing filter(12) and a bad smell removing filter(15). The dust removing filter is mounted in a chamber formed with an atmospheric air inlet(10) and an internal air inlet(11) for filtering impurities contained in the air introduced via the inlets. Air purified via the dust removing filter advances via two branched paths(14a,14b) to be provided to the inside of a vehicle via an outlet(13) toward the inside. The branched paths are extended from the dust removing filter. The bad smell removing filter is mounted to the branched path and filled with activated carbon particles. Bad smell particles are captured by the activated carbon particles and vaporized by a drying heater mounted in the bad smell removing filter.
Patent KR-20050003116-A (KR)
Inventor: BANG YUN HYUK
IPC: D01F6/62
Filed: 2003-06-30
Abstract: PURPOSE: Polyethylene-2,6-naphthalate fiber has high tenacity and excellent physical properties. A manufacturing method thereof is characterized by using a high velocity spinning method. A treated cord having excellent dimensional stability and strength is manufactured out of the polyethylene naphthalate fiber. The treated cord is useful for reinforcement of rubber products like a tire and a belt. CONSTITUTION: Polyethylene-2,6-naphthalate fiber is obtained by the steps of: (A) preparing solid state polymerized polyethylene-2,6-naphthalate chip containing at least 85mol% of ethylene-2,6-naphthalate unit and having 0.80-1.20 of inherent viscosity; melt-spinning the polyethylene-2,6-naphthalate chip in a spinning draft ratio of 200-900 to manufacture melt spun yarn; (B) passing the melt spun yarn through a delay-cooling area and a cooling area to solidify the melt spun yarn; (C) winding the yarn at proper spinning velocity to make undrawn yarn having 0.015-0.1 of birefringence and endothermic peak temperature range of under 35deg.C; (D) drawing the yarn in a total draw ratio of 1.5-4.0; and then multistage-drawing the yarn. The polyethylene-2,6-naphthalate fiber has (1)0.6-1.0 of inherent viscosity, (2)at least 7.5g/d of strength, (3)at least 6% of elongation, (4)at least 0.35 of birefringence, (5)1.355-1.375 of density, (6)270-285deg.C of melting point and (7) 1-4% of shrinking percentage.
Patent KR-20050002082-A (KR)
Inventor: HWANG YOUNG HO
IPC: G11C7/06
Filed: 2003-06-30
Abstract: PURPOSE: A data sensing circuit for reducing leakage current is provided to reduce leakage current and to improve operating speed by having a switching part using a negative word line transistor that has higher threshold voltage than a transistor with low threshold voltage, and has lower threshold voltage than a transistor with normal threshold voltage. CONSTITUTION: A data sensing circuit for reducing leakage current comprises the first high nonassociated transistor(HN1) and the first low nonassociated transistor(LN1), wherein both are connected with the first bit line(BL); the second high nonassociated transistor(HN2) and the second low nonassociated transistor(LN2), wherein both are connected with the second bit line(BL/); a sense amplifier(10) of which the first node is connected with a joint(J1) between the first high nonassociated transistor and the first low nonassociated transistor, and of which the second node is connected with a joint(J2) between the second high nonassociated transistor and the second low nonassociated transistor; the first and the second transfer transistors(SN1,SN2) each connected with the first and the second node of the sense amplifier. Wherein the first and the second high nonassociated transistor, and the first and the second low nonassociated transistor are a negative word line transistor that has higher threshold voltage than a transistor with low threshold voltage, and has lower threshold voltage than a transistor with normal threshold voltage.
Patent KR-20050002185-A (KR)
Inventor: KIM YOUNG IL
IPC: H04N5/74
Filed: 2003-06-30
Abstract: PURPOSE: An apparatus for providing a sound until completion of a normal radiation of a lamp and a method for the same are provided to output the sound until a lamp is normally radiated after power is applied to the lamp for a large volume of back light, thereby preventing a fault operation of an apparatus because another signal is not applied to the apparatus. CONSTITUTION: A temperature sensor(500) measures the temperature of a lamp(400). A microcomputer(200) generates a predetermined stop signal when the temperature of the lamp inputted from the temperature sensor is a predetermined temperature. When power is applied to the lamp, a sound outputting member(600) outputs a predetermined sound and stops the sound output according to the predetermined stop signal from the microcomputer. A memory(700) is connected to the sound outputting member and stores predetermined sounds such as music, voice, or various sounds selected by a user.
Patent KR-20050007745-A (KR)
Inventor: SON SUK GIL
IPC: B01D53/32
Filed: 2003-07-11
Abstract: PURPOSE: To provide a plasma dry scrubber, which is able to prevent impurities from being flown in a process chamber and is easy to be maintained and repaired. CONSTITUTION: The scrubber (10) comprises a chamber housing (13) including a gas inlet (11) and a gas outlet (12), a plurality of first electrode plates (17) and a plurality of second electrode plates (18), each of which is installed inside of the chamber housing alternately, the first electrode plate having a predetermined interval with an inner wall of the chamber housing, the second electrode plate having an opening portion and dividing the inside of the chamber housing into many areas, thereby forming a gas flow path (22) from an interval between the inner wall of the chamber housing and the first electrode plate, and the opening portion of the second electrode plate, a plurality of impurity outlets that is partially formed at the chamber housing, and a storage chamber (15) which is mounted on an outer side of the chamber housing to store impurities therein.