baber/WOPTO huggingface dataset:
Patent KR-20060135344-A (KR)
Title: Antibiosis method of cooling plate and housing unit
Inventor: LEE MYOUNG HO
IPC: A61L2/238
Filed: 2005-06-24
Abstract: An antibiosis method for a heat exchanging fin member and a housing unit of an air conditioner is provided to increase adhesive force of metallic nano particles and surface durability by coating the surface with the metallic nano particles and making surface treatment fast by using an acryl or alkyd binder containing nano clay. In the antibiosis method for a heat exchanging fin member and a housing unit of an air conditioner, an inorganic antimicrobial agent is mixed with clay and an adhesive binder and then the mixture is added to the water used for a leakage test of a heat exchanging copper pipe of the air conditioner. Metallic nano particles such as Pt(Platinum), Au(Gold), Ag(Silver), Cu(Copper), and TiO2(Titanium Oxide) are used as the inorganic antimicrobial agent. If Ag is used as the nano particle, nitric acid group ions are removed. The size of the metallic nano particle is less than 20nm. The nano particles of 1~10nm are used to keep strong sterilizing power. The final concentration of the metallic nano particle is 100~200ppm by diluting the metallic nano particle of 1,000~50,000ppm.
Patent KR-20070000121-A (KR)
Title: Lcd-tv driving system and driving method thereof
Inventor: KIM KI DUK
IPC: H04N5/57
Filed: 2005-06-27
Abstract: A system and a method for driving an LCD(Liquid Crystal Display) TV are provided to analyze the input image and control the luminance according to the analyzed result. An image data input member(110) analyzes the first image data(R,G,B) inputted by a frame unit and outputs the first luminance data related to image data of the frame. A histogram luminance analysis member(120) analyzes the histogram of the first luminance data. A viewing distance sensing member(130) senses an LCD TV and a viewer and calculates the viewing distance related to the LCD TV. A luminance setting control member(140) receives the mean luminance and compares the mean luminance with the luminance control data.
Patent KR-20070000857-A (KR)
Title: Liquid crystal display having a storage capacitor and methods of forming the same
Inventor: JEON JAE HONG
IPC: G02F1/136
Filed: 2005-06-28
Abstract: An LCD and a method for manufacturing the same are provided to prevent charges from being trapped, thereby improving the characteristic of a storage capacitor, by using a pixel electrode as an upper electrode of the storage capacitor and disposing a surface treating layer below the pixel electrode. A storage electrode(102b) are formed on a transparent substrate(100). A buffer pattern(106b) is disposed above the storage electrode, and covers the storage electrode. A dielectric layer(104) is interposed between the buffer pattern and the storage electrode. An insulating layer(115) covers the substrate, wherein the insulating layer has an opening part(117b) for exposing the buffer pattern. A surface treating layer(119) is formed on a surface of the exposed buffer pattern. A pixel electrode(121a) is disposed on the surface treating layer and the insulating layer.
Patent KR-20060049265-A (KR)
Inventor: HONG LIUBO
IPC: G11C11/15
Filed: 2005-06-30
Abstract: 저부 전극은 위에 놓인 MTJ 내에서 AFM, 피닝된(pinned), 터널 배리어, 및 자유층들에 평활하고 밀도있는 성장을 지속적으로 제공하기 위하여 비결정질의 TaN 캐핑층을 갖는 MRAM 구조는 공개되었다. 종래의 Ta 캐핑층과는 달리, TaN은 산화 저항성이고 터널 배리어층의 측벽들 상에서의 캐핑층의 재증착에 의해 야기되는 감지 전류를 우회시키는 것을 방지하기 위하여 고저항을 갖는다. 대안으로,  -TaN 층은 MTJ 내 시드층이다. 또한, 시드층은  -TaN 층상에 NiCr, NiFe, 또는 NiFeCr 층으로 구성된 복합층일 수 있다. -TaN 캐핑층 또는 시드층은 TMR 판독 헤드에서 또한 사용될 수 있다.  -TaN 캐핑층상에 형성된 MTJ는 높은 MR 비율, 높은 Vb, 및 최적화된 Ta 캐핑층에 기초하는 MTJ들로부터 얻어진 결과들과 유사한 RA을 갖는다. 
       
     캡핑층, MTJ, 배리어층, 터널 배리어, 시드층
Patent KR-20070003083-A (KR)
Title: Method for searching book mark in personal video recorder
Inventor: KWONG GI HA
IPC: G11B20/10
Filed: 2005-06-30
Abstract: A bookmark searching method in a PVR(Personal Video Recorder) is provided to enable a user to search a desired video signal by using channel keys and volume keys as horizontal and vertical keys for video signal stored in a storage medium as bookmarks, thus the user is able to freely access the bookmarks while searching the bookmarks. When a bookmark selection key signal is provided from a remote controller, overall broadcasting signal items where a bookmark function stored in a storage medium is displayed are extracted and outputted(201-204). According to an adjustment signal delivered from the remote controller by corresponding to the outputted items, a desired video signal is searched as moving according to the adjustment signal among video signals where the bookmark function stored in the storage medium is displayed(205-208). The searched video signal is selected(209).
Patent KR-20070003487-A (KR)
Title: The classification method of packets by using the dual tcam tables
Inventor: KWON TAECK GEUN
IPC: H04L12/26
Filed: 2005-07-02
Abstract: A classification method of packets by using dual TCAM(Ternary Content Addressable Memory) tables is provided to be capable of storing packet classification rules at two TCAM tables by dividing the rules, according to expression types of the packet classification rules, thus required size of a TCAM is reduced. When packets are received, information is extracted(401). A general table is searched(402). If the searching is successful, associative additional information of searched results is read to find out a matched list and to find out whether an additional searching process is conducted(404). If the additional searching process is interrupted, the currently matched rules are determined as final results(406).
Patent KR-20070005036-A (KR)
Title: X-ray cone beam ct scanner comprising 2-dimensinal reference detector and chollimator for reference detector
Inventor: PARK JUNG BYUNG
IPC: G01N23/04
Filed: 2005-07-05
Abstract: A high resolution cone beam X-ray CT scanner is provided to improve the space decomposition ability by reflecting measurement information of a reference detector on a CT image calculation. A high resolution cone beam X-ray CT scanner includes an X-ray tube, a collimator, a two-dimensional main detector, a two-dimensional reference detector(41), and a collimator(61) for the reference detector. The main detector is selected from a two-dimensional curved surface detector(30) or a planar detector. The reference detector selects a photo diode, a CMOS, or a CCD as a part. A X-ray beam is vertically illuminated to a detection surface of the two dimensional reference detector.
Patent KR-20070009766-A (KR)
Title: Check valve system
Inventor: KIM DAE GON
IPC: F16K17/34
Filed: 2005-07-14
Abstract: A check valve system is provided to maintain an opening degree of 100 percents by opening and closing an opening/closing plate by an actuator operated by the pressure of a fluid supplied from the introduction side. A check valve system includes an opening/closing plate(10), an opening/closing plate rotating member(20), a branch pipe(30), and an actuator(40). The opening/closing plate is installed in the interior of the pipe to close and communicate the introduction side and the discharge side. The opening/closing plate is hinge-coupled. The opening/closing plate rotating member is installed on the outer side of the pipe. One end of the opening/closing plate rotating member is connected to the opening/closing plate and the other end thereof includes a weight for closing the opening/closing plate by the self-weight. The branch pipe is branched from a predetermined portion of the introduction side. The actuator communicates the introduction side and the discharge side by raising the opening/closing plate rotating member by the pressure of a fluid supplied from the branch pipe.
Patent KR-20070009838-A (KR)
Title: Apparatus for growing the silicon single crystal
Inventor: KIM KWANG HUN
IPC: H01L21/20
Filed: 2005-07-14
Abstract: An apparatus for growing silicon single crystal is provided to finely control a melt convection rotary region by supplying electric currents to an electrode, while the electrode and an electrode protective pipe are moved in a longitudinal direction of an ingot. A case(16) is installed on an upper portion of a furnace, and an electrode(21) is immersed in a silicon solution to supply an electric current to the silicon solution. An electrode protective pipe(22) encloses an outer periphery of the electrode to protect the electrode and maintain an electrically conducted state between the electrode and the silicon solution. An electrode moving member(10) is installed to one side of the case to move the electrode and the electrode protective pipe in the furnace. The electrode moving member has a horizontally moving member and a vertically moving member.
Patent KR-20070009922-A (KR)
Title: Method and apparatus for compensating image data in a scanning device
Inventor: HWANG TAE YOON
IPC: G06K9/20
Filed: 2005-07-16
Abstract: A method and a device for compensating image data in a scanning device are provided to obtain an improved quality of image data by compensating the image data for a central part of a book in case that the book is scanned. A histogram maker(220) makes a brightness histogram for a scanned area. A compensation quantity calculator(230) calculates a compensation quantity for the area having a brightness value under a critical value in the made histogram. An image data compensator(240) compensates the image data scanned later by using the calculated compensation quantity.
Patent KR-20070009936-A (KR)
Title: Mobile communication station and method for controlling transmission power according to residual capacity of battery
Inventor: JONG CHANG YONG
IPC: H04W88/00
Filed: 2005-07-16
Abstract: A GSM terminal for controlling transmission power according to a battery charge status and a method thereof are provided to enable a control unit to control the transmission power with a power value lower than a reference power value in a low-charge status of a battery, thereby enabling detailed control within the same power level and increasing life time of the GSM terminal. A GSM(Global System for Mobile) terminal for controlling transmission power according to a battery charge status comprises the followings: a battery(107); a transmission power amplification unit(105); a control unit(100) which checks the battery charge status if transmission power level information is received and controls transmission power amplification unit(105) with a transmission power value for low-charge as low as a preset predetermined value than a reference transmission power value according to the transmission power level when battery charge status is in the low-charge status.
Patent KR-20070010375-A (KR)
Title: Avatar refrigerator
Inventor: LEE SUNG AE
IPC: F25D23/00
Filed: 2005-07-18
Abstract: An avatar refrigerator is provided to allow a user to promptly determine a trouble of the refrigerator and to take an action for the trouble. An avatar refrigerator includes a storage unit(23), a display unit(21), and a control unit. The storage unit stores avatar information including an avatar. The display unit is formed on the front surface of the refrigerator to display the avatar. The control unit determines a trouble of the refrigerator and reads the avatar information from the storage unit. The control unit displays the avatar corresponding to the determination result on the display unit. The control unit displays the avatar having an appearance and/or an operation corresponding to the determination result on the display unit. The control unit displays the avatar corresponding to the determination result in addition to the basically set avatar. The control unit displays a message representing the determination result on the display unit.
Patent KR-20070010771-A (KR)
Title: Electronic authentication management system
Inventor: JUNG SEOK RIM
IPC: G06F17/21
Filed: 2005-07-20
Abstract: A system for managing electronic notarization of contract documents is provided to digitalize/store the contract documents, guarantee legal effect of the contract documents, minimize forgery, alteration, damage, or extinction of the contract documents, and inquire, classify, and search the contract documents with a notarization code of the contract document completely authenticated by both contract parties. A document input part(110) converts the contract document into a digitalized contract document and stores the digitalized contract document. A document notarization part(120) obtains authentication from both contract parties to notarize the digitalized contract document. A notarization code generator(130) generates the notarization code for the digitalized contract document completely authenticated by both contract parties. A document storing part(140) classifies and stores the digitalized contract document according to the notarization code. A communication interface(150) provides an information transceiver path to both contract parties through the wired/wireless network.
Patent KR-20070013173-A (KR)
Title: Rf front end module of wibro mobile terminal
Inventor: KWUN SOON IK
IPC: H04B1/44
Filed: 2005-07-25
Abstract: An RF FEM(Front End Module) in a WiBro(Wireless Broadband Internet) mobile terminal is provided to process all the bands of WiBro services, to efficiently divide each service provider band, and to change service providers with simple switching operation only in case of roaming. An RF FEM(10) in a WiBro mobile terminal consists of three band pass filters(12), a band selection switch(11), and an Rx/Tx selection switch(13). The band pass filters(12) respectively take charge of three service provider frequency bands. One end of the band selection switch(11) is connected to an antenna, and the other end executes switching to a band pass filter corresponding to the frequency band of an input signal among the three band pass filters(12). One end of the Rx/Tx selection switch(13) executes switching to a band pass filter corresponding to the frequency band of the input signal among the three band pass filters(12), and the other end executes switching between an Rx port and a Tx port.
Patent KR-20060096242-A (KR)
Inventor: VISCOMI GIUSEPPE CLAUDIO
IPC: A61K31/44
Filed: 2005-07-28
Abstract: 리팍시민 δ 및 리팍시민 ε으로 명명되는 리팍시민(INN) 항생제의 결정성 다형체가 제공되며, 이들은 리팍시민을 함유하는 경구 및 국소용 의약품의 제조에 유용하고, 에틸 알콜 중에 조 리팍시민을 가열-용해(hot-dissolving)시키고, 소정의 온도에서 소정의 시간 동안 물을 가하여 생성물의 결정화를 유도시킴으로써 결정화 공정을 수행하고, 최종 생성물 중에 특정 수분 함량이 얻어질 때까지 조절되는 조건하에서 건조를 수행함으로써, 얻을 수 있으며, 이는 본 발명의 목적이다. 
       
     리팍시민, 다형체
Patent KR-20070014575-A (KR)
Title: Process for extruding solid state polymer using ultrasound and device therefore
Inventor: HAN YOU SOO
IPC: B29C48/475
Filed: 2005-07-29
Abstract: A process for extruding a solid state polymer using ultrasound and a device therefore are provided to efficiently manufacture crystalline and non-crystalline polymer products by offering a polymer profile having a smooth surface. A process for extruding a solid state polymer using ultrasound comprises the steps of: preheating a pressure chamber(110) up to a temperature less than a melting point of a polymer; applying the ultrasound to an extrusion die(120) which is elongated to the pressure chamber and has a relatively smaller internal diameter; and obtaining a polymer alignment profile by extruding a polymer billet through the pressure chamber and the extrusion die. And, the polymer orientation profile is manufactured by pressing a billet made of a crystalline or semi-crystalline polymer or the polymer billet made of a composite including an organic filler or an inorganic filler in the polymer.
Patent KR-20070014597-A (KR)
Title: Coptp thin film having very high prerpendicular magnetic anisotropy and method for manufacturing the same
Inventor: JEUNG WON YOUNG
IPC: C25D3/56
Filed: 2005-07-29
Abstract: A method for manufacturing a CoPtP alloy thin film by electroplating using a commercialized reagent without using a complicated complex compound, and a CoPtP alloy thin film with very high perpendicular coercive force and squareness ratio manufactured by the method are provided. A method for manufacturing a CoPtP alloy thin film comprises the steps of: preparing a plating solution comprising 0.05 to 0.2 M of cobalt sulfate(CoSO4-7H2O), 0.005 to 0.02 M of chloroplatinic acid(H2PtCl6) and 0.01 to 0.4 M of sodium hypophosphite(NaH2PO2); doping a matrix with the plating solution; and performing electroplating at a low temperature to form a CoPtP alloy thin film on the matrix. The plating solution further comprises 0.1 to 0.5 M of ammonium salt in the plating solution preparing step. The plating solution further comprises 0.3 to 0.7 M of sodium pyrophosphate(Na4P2O7) in the plating solution preparing step. The matrix is made of cobalt in the plating solution preparing step. The electroplating is carried out at a temperature of 30 to 55 deg.C in the CoPtP alloy thin film forming step.
Patent KR-20070017808-A (KR)
IPC: C21C5/36
Filed: 2005-08-08
Abstract: 본 발명은 전로 정련 방법에 있어서, 슬래그의 염기도(CaO/SiO 2 )를 2.0 내지 3.0으로 유지하여 용강 중의 인(P) 성분을 200 내지 300ppm으로 제어하는 것을 특징으로 하는 전로 정련 방법을 제공한다.  
     본 발명은 전로 정련 공정에서 슬래그 조성을 제어함으로써 슬래그 중 염기도(CaO/SiO 2 )를 감소시켜 용강 중 인(P) 성분을 증대시킬 수 있는 장점이 있다.  
       
     전로, 정련, 취련, 용강, 슬래그, 염기도, 생석회
Patent KR-20070019462-A (KR)
IPC: G09G3/30
Filed: 2005-08-12
Abstract: 물리적인 크기가 변동된 R, G, B 부화소에 랜더링된 영상 변조 데이터를 수신하는 유기 전계발광 표시장치를 개시한다. 즉, 유기 전계발광 표시장치는 R, G, B 부화소로 이루어진 다수의 화소를 이용하여 영상을 디스플레이하는데 있어, 1 : 1.5의 비율로 형성된 상기 R, G, B 부화소에 각각 랜더링된 영상 데이터를 입력시킴으로서 해상도를 2배로 향상시키고, 고화질의 영상이 디스플레이되게 한다. 
       
      R, G, B 부화소, 랜더링된 영상 변조 데이터, 해상도
Patent KR-20070020877-A (KR)
IPC: F02M61/14
Filed: 2005-08-17
Abstract: 본 발명은 엔진 인젝터가 딜리버리 파이프에 삽입 고정될 시 엔진 인젝터가 딜리버리 파이프에 고정된 상태를 유지시켜 주는 엔진 인젝터의 고정 장치에 관한 것으로서, 상기 고정장치는 베이스부와 상기 베이스부의 양단에서 일체로 상기 베이스부에 수직되게 연장 형성되는 한쌍의 레그부로 이루어 지는 몸체와, 상기 딜리버리 파이프에 형성된 걸림부가 삽입 고정되도록 상기 각 레그부에 형성된 슬릿과, 상기 각 레그부의 내측면으로부터 연장 형성되어 상기 딜리버리 파이프에 삽입 설치되는 인젝터에 형성된 고정홈에 삽입 고정되는 고정부와, 상기 베이스부로부터 상기 몸체 내부로 연장 형성되어 상기 레그부에 형성된 슬릿에 상기 딜리버리 파이프의 걸림부가 고정 될 시 상기 딜리버리 파이프의 일측면에 면접촉하여 상기 몸체에 탄성력을 부가하는 적어도 하나의 가압부재를 포함하여 구성되어, 딜리버리 파이프에 삽입 장착되는 엔진 인젝터가 축방향으로 분리되고 축을 기준으로 회전되는 것이 방지된다. 
       
      자동차, 딜리버리 파이프, 엔진 인젝터, 고정 장치
Patent KR-20070024009-A (KR)
Title: A string film having a reflection function
Inventor: KIM LEE JONG
IPC: A01G13/00
Filed: 2005-08-25
Abstract: Provided is a string film which reflects sunlight, prevents the weeds from growing at the ground shielded by the vinyl paper of a string film and is lowered in cost. The string film(1) comprises a string(5) which is provided at the string insertion part(31) formed one end or both ends of a vinyl paper in longitudinal direction; and a reflective layer(32) which is formed on the opposite part of the vinyl paper to be in contact with the ground in longitudinal direction by printing the material reflecting sunlight. Preferably the reflective layer(32) is printed at the other side part of the vinyl paper where the string insertion part is formed in the longitudinal direction of the vinyl paper.
Patent KR-20050096867-A (KR)
Inventor: JUNG SUNG WOOK
IPC: B31D1/02
Filed: 2005-08-26
Abstract: 본 발명은 접착력의 차이를 이용한 스티커와 접착되어지는 인쇄물 및 그 제조방법에 관한 것으로서, 인쇄층이 있는 인쇄물원단의 전면에는 약한 점착제를 도포한 후 이형지를 부착하고 인쇄물원단의 배면에는 약접보다 강한 강접의 우표용 점착제를 도포하여 인쇄물원단의 앞뒷면의 접착력의 차이를 이용한 제조방법을 제공함으로써, 다수의 접착되어지는 인쇄층(인쇄물)을 천정과 같은 넓은 면적에도 의도한 구도와 위치대로 단 한번만에 동시에 부착이 가능한 스티커와 접착되어지는 인쇄물의 제조방법 및 그 제조방법에 의해 제조된 스티커와 인쇄물을 제공한다.
Patent KR-20070027833-A (KR)
Title: 인삼가자미의 제조방법
IPC: A23L17/00
Filed: 2005-08-29
Abstract: 본 발명은 인삼가자미의 제조방법에 관한 것이다. 보다 상세하게는 가자미의 잡균 오염 방지와 비린내를 제거하기 위하여 정제염을 정제수에 용해시킨 소금용액에 인삼을 에탄올로 추출시킨 인삼추출물과 유기산을 혼합시킨 잡균방지제에 가자미를 염지하여 1차건조하는 단계와, 가자미의 적정한 수분 유지와 지방산패를 방지하기 위하여 식염수와 보습제로 당알콜을 혼합한 용액에 1차건조된 가자미를 침지시켜 2차건조하는 단계를 포함하는 것을 특징으로 하는 인삼가자미의 제조방법이다. 
     본 발명의 인삼가자미는 저장유통 중에 잡균오염이 없어 산패나 비린내 및 이취가 없으며, 장기간 보존하여도 수분함량이 일정하여 부드러워 섭식감과 상품성 및 기호성이 우수하다.  
     특히 본 발명은 저염도 소금용액으로 염장후 보존하더라도 수분활성도가 적절히 유지되어 조리시 단백질의 복원을 좋게 하므로 맛 좋은 가자미를 제공할 수 있다.
Patent KR-20070027888-A (KR)
Title: Film forming method using a highly activated atom source and film thereof
Inventor: CHO MANN HO
IPC: H01L21/20
Filed: 2005-08-30
Abstract: A thin film forming method and a thin film thereby are provided to improve characteristics of the thin film without the damage of the thin film and to prevent the degradation of reliability by using a heavily activated atom source. A predetermined thin film is formed on a silicon substrate, and the thin film is a silicon oxide layer or a metal film or a metal oxide layer or a metal silicate thin film. At this time, a heavily activated atom source is used for optimizing the characteristics of the predetermined thin film(S24). The heavily activated atom source treatment is performed under a predetermined gas condition. The predetermined gas contains at least one or more selected from a group consisting of N2, O2, NH3, and NO.
Patent KR-20070025237-A (KR)
Inventor: LEE HYUN JAE
IPC: G06Q30/06
Filed: 2005-09-01
Abstract: A system for operating office supplies member shops in only the online shop type is provided to remove stock burden of a non-shop member by directly delivering ordered goods to a customer from a distribution center of a head office and enable each member shop to fully show a creative/individual idea by providing an independent Internet shopping mall to each member shop. The non-shop member operates only the Internet office supplies shopping mall as the member shop without any shop or warehouse. The non-shop member receives an order from the customer through the Internet shopping mall and delivers the ordered goods to the customer from a distribution center of a head office. The member shop orders the goods and shares data by connecting to a head office shopping mall with a password/ID assigned from the head office.
Patent KR-20060050912-A (KR)
Inventor: KINOMURA YOSHITAKA
IPC: B08B3/04
Filed: 2005-09-01
Abstract: 본 발명은, 금속 박막으로 이루어지는 마스크에 부착한 유기 EL용 유기 재료를 제거하는 것이 가능한 세정 장치를 제공하는 것을 목적으로 한다.  이를 위해, 본 발명의 세정 장치는, 마스크(10)를 소정의 세정액에 의해 세정 처리하는 제1 및 제2 세정조(21, 22)와, 상기 세정조(21, 22)의 세정액을 진공 증류하는 진공 증류기(30)와, 진공 증류된 세정액을 실온으로 냉각하는 제1 냉각기(31)와, 제1 냉각기(31)에 의해 냉각된 세정액을 제2 세정조(22)로 환류시키는 제1 환류관(101)과, 마스크(10)를 소정의 린스액에 의해 린스 처리하는 제1 및 제2 린스조(51, 52)와, 상기 린스조(51, 52)의 린스액을 상압 하에서 증류하는 상압 증류기(60)와, 상압 증류된 린스액을 실온으로 냉각하는 제2 냉각기(61)와, 제2 냉각기(61)에 의해 냉각된 린스액을 제2 린스조(52)로 환류시키는 제2 환류관(102)을 구비한다.   
       
     유기 재료, 마스크, 금속 프레임, 걸림부, 교반기
Patent KR-20070025775-A (KR)
Title: Apparatus for operating a heater of a microwave oven having the pizza oven function
Inventor: KIM SEUNG HOI
IPC: F24C7/02
Filed: 2005-09-05
Abstract: An apparatus for driving heaters of a combined pizza oven and microwave oven is provided to prevent the microwave oven from being overheated even when heaters are short-circuited, by arranging one or more independent heaters on an upper surface and a lower surface of a pizza cooking chamber. An apparatus for driving heaters of a combined pizza oven and microwave oven comprises a timer switch(110), a cooling fan motor(160), an upper heater(130), a lower heater(120), a first temperature control switch(150), and a second temperature control switch(140). The timer switch is connected to an external power supply unit(100), and turned on/off to apply power supplied from the external power supply unit to the microwave oven. The cooling fan motor is connected between the timer switch and the external power supply unit, and continuously is operable to cool components of the microwave oven when the timer switch is turned on. The upper heater is connected to the timer switch, and arranged on an upper surface of a pizza cooking chamber of the microwave oven so as to apply heat to the pizza disposed on a pizza pan in a cooking chamber. The lower heater is connected to the timer switch, and arranged on a lower surface of the pizza cooking chamber of the microwave oven so as to apply heat to the pizza disposed on the pizza pan in the cooking chamber. The first temperature control switch is connected among the external power supply unit, the upper heater, and the lower heater, and controls the temperature of heat generated from the upper heater and the lower heater. The second temperature control switch is connected between the upper heater and the timer switch, and controls the temperature of heat generated from the upper heater.