baber/WOPTO huggingface dataset:
Patent KR-20000030325-A (KR)
Inventor: JANG KYUNG WON
IPC: H02J7/00
Filed: 2000-02-22
Abstract: PURPOSE: A circuit for charging battery by converting radio frequency into DC voltage is provided to charge a battery in anywhere except a designated position without alternating current, thereby reducing power consumption. CONSTITUTION: A circuit for charging battery by converting radio frequency into DC voltage comprises a wave detection unit, a rectification unit, a charge unit and a battery. The wave detection unit is connected to an antenna and the rectification unit. The rectification unit is connected to the charge unit. The charge unit is connected to the battery. The radio frequency is received through the antenna. The received radio frequency is rectified by the rectification unit and is converted into a direct-current voltage, which is elevated till charger voltage required to the battery.
Patent KR-20010006685-A (KR)
Inventor: PETER BERG-SONNE
IPC: F02M33/00
Filed: 2000-02-24
Abstract: PURPOSE: A method is provided to detect the water content contained in compressed air supplied to an internal combustion engine. CONSTITUTION: A sample is branched from compressed air flow, and is separated into a first remainder(17) including only air not having water drops and a second remainder(18) including sample moisture and few air part, pressure of the second remainder(18) is reduced, its temperature is compared with an initial temperature of the sample, and thereby, a water content can be measured at a good sensitivity. A cyclone(5) is utilized for forming the first and second remainders(17,18) and the first remainder(17) is delivered to a circumference, and the second remainder(18) is led to a pressure reducing chamber(12).
Patent KR-20010084472-A (KR)
Title: Web editor for wireless internet and operating method therefor
Inventor: LEE HEON GU
IPC: G06F17/24
Filed: 2000-02-25
Abstract: PURPOSE: A web editor for wireless Internet and an operation method are provided to support various markup languages by spontaneously generating a plurality of markup languages supported by wireless Internet by making one language. CONSTITUTION: A source editor(10) is equipped with a WYSIWYG(What You See Is What You Get) function for inputting information data or functions. A tag generator(20) generates meta data and a plurality of extra data. A storage unit(30) stores the meta data, the extra data and document data. An emulator(60) reads and compounds one among the meta data and the extra data stored in the storage unit(30). A document capacity display window(70) displays the capacity of a web page emulated by the emulator(60). A functional interface(50) interfaces the attribute of the terminal inputted from a terminal attribute editor(40) with the emulator(60).
Patent KR-20010103150-A (KR)
Inventor: CHUNG YOUNG HUN
Filed: 2000-02-29
Abstract: 본 발명의 목적은 버스와 버스 정류장 각각에 정보 안내장치를 설치하고 PCS 무선 모뎀 및 유선통신망을 이용하여 중앙관제 시스템과 통신 및 관리되도록 하며 GPS 수신기에 의해 버스가 위치정보를 수신하도록 하여, 버스의 정차위치 및 도착시간을 버스 탑승객 및 정류장의 대기 승객들에게 안내해 주고 선ㆍ후행 버스와의 차간 거리 정보를 버스에 제공하여 효율적인 버스운행을 하도록 한 PCS 무선 모뎀을 이용한 버스 정보 안내시스템을 제공하는데 있다. 
     본 발명의 구성은 버스 정류장에 설치되며 유무선통신망을 통하여 버스별 도착시간 및 생활정보를 수신하고 대기 승객의 선택버튼 입력에 따라 해당 정보를 안내하는 정류장 안내장치(100); 버스에 설치되며 PCS 무선 통신망을 통하여 선ㆍ후행 버스와의 차간거리정보 및 생활정보를 수신하고 GPS 위성으로부터 현재 위치정보를 수신하여 버스의 정차위치 및 생활정보를 안내하는 버스 안내장치(200); 상기 정류장 안내장치 및 버스 안내장치와 통신하며 상기 정류장 안내장치 및 버스 안내장치를 제어하는 중앙관제 시스템(300)을 포함하여 이루어진 것을 특징으로 한다.
Patent KR-20010103152-A (KR)
Inventor: KANG JI HOON
Filed: 2000-03-10
Abstract: 본 발명은 이지유알엘 코드를 이용한 인터넷주소 입력방법에 관한 것으로, 휴대폰(10)의 한정된 키패드를 통해 숫자나 문자 입력할 때의 해당 숫자나 문자에 대한 필요 이상으로 늘어나는 입력동작을 이지유알엘 코드(40)를 통해 접속할 인터넷주소의 문자나 숫자만큼만 키패드의 인터넷주소 입력동작을 간단하게 하여 해당 웹사이트(30)로 접속할 수 있도록 하고자, 그 기술적인 수단으로 사용자가 휴대폰 (10)의 키패드를 통해 원하는 인터넷주소를 이지유알엘 코드(40)로 입력하는 단계, 입력받은 이지유알엘 코드(40)가 휴대폰(10) 내부의 이지유알엘 검색엔진이나 유/무선 네트워크에 연결된 이지유알엘 서버(20)로 전송되는 단계, 이지유알엘 검색엔진이나 이지유알엘 서버(20)로 전송된 이지유알엘 코드(40)가 사전 등록되어 있는 인터넷주소의 이지유알엘 코드와 비교하여 일치되는 모든 인터넷주소를 검색하는 단계, 검색된 모든 인터넷주소가 사용자의 휴대폰(10)으로 전송 표시되어 사용자가 원하는 인터넷주소를 선택하는 단계, 사용자가 선택한 해당 인터넷주소로 이동하여 접속되는 단계를 포함하여 이루어진 것을 특징으로 한다.
Patent KR-20010106537-A (KR)
Title: Resist stripper composition
Inventor: LEE SANG DAE
IPC: H01L21/027
Filed: 2000-04-26
Abstract: A tip seal for use in a scroll-type vacuum pump includes a seal element and an energizer element affixed to the seal element. The scroll-type vacuum pump includes first and second scroll blades that are nested together to define one or more interblade pockets, and an eccentric drive that produces orbiting movement of the first scroll blade relative to the second scroll blade. At least one of the first and second scroll blades has a seal groove along an edge thereof. The tip seal is positioned in the seal groove between the first and second scroll blades. The energizer element is formed of a resilient material having multiple compressible voids, so that the energizer element having compressible voids is more compressible than the resilient material alone, when confined by the seal groove. In one embodiment, the energizer element is a foam such as a low porosity urethane foam. In another embodiment, the energizer element is an elastomer material having a predetermined pattern of voids.
Patent KR-20010097830-A (KR)
Inventor: KIM TAE HYEONG
IPC: H04N21/431
Filed: 2000-04-26
Abstract: 본 발명은 티브이 방송 프로그램 데이터의 화면 표시 장치 및 방법에 관한 것으로, 
     본 발명의티브이 방송 프로그램 데이터의 화면 표시 장치는 수신된 방송 프로그램 데이터 또는 수신 데이터로부터 분리된 방송 프로그램 데이터를 저장하는 스트림 저장부와, 수신 데이터로부터 분리된 방송 프로그램 데이터 또는 스트림 저장부에 저장된 방송 프로그램 데이터를 디코드하는 디코더와, 사용자 요청에 대응하여 방송 프로그램 데이터의 저장 및 재생을 제어하고, 저장된 방송 프로그램 데이터를 사용자 요청에 따라 계층화 정보로 구성하여 출력 장치에 표시하는 데이터 표시 제어부와, 계층화된 방송 프로그램 데이터를 사용자에게 제공하는 사용자 인터페이스 수단을 포함하여 구성되는 것을 특징으로 한다. 
     또한 본 발명의 티브이 방송 프로그램 데이터의 화면 표시 방법은 저장된 방송 프로그램을 나타내는 프로그램 리스트를 표시하고 선택된 방송 프로그램의 제어 명령을 표시하며 프로그램 검색을 위한 계층화 프로그램 정보를 표시하는 것을 특징으로 한다.
Patent KR-20000050044-A (KR)
Inventor: LEE CHEOL WON
IPC: G06F13/00
Filed: 2000-05-12
Abstract: PURPOSE: A digital signal processor for automatic control is provided to convert an analog signal inputted from an external input/output unit into a reference analog signal having proper level and frequency scope, and to perceive a BUS type of a host computer automatically, and to convert the perceived type into the reference BUS type. The digital signal processor is provided automatically to control a processor for digital signal process(DSP), a memory block, and a system BUS of the host computer. CONSTITUTION: A digital signal processor for an automatic control includes a processor for a digital signal process(DSP) counting an output signal for processing and controlling an input signal automatically, a memory block, and an internal system BUS which each internal device transmits/receives a signal including data and addresses, comprises an analog processor(160) and a BUS processor(120). The analog processor(160) converts an analog signal inputted from an external input unit into a standard analog signal, and then into digital/analog, converts an output processed in a digital signal by the DSP into digital/analog, and then into an analog signal having a specific character, to output to an external output unit. The BUS controller(120) recognizes a BUS type of host computer automatically, and converts the BUS type into a BUS type of the DSP, to interface the TSP and a host computer.
Patent KR-20000058437-A (KR)
Inventor: PARK YONG SUN
IPC: G09B29/00
Filed: 2000-05-23
Abstract: PURPOSE: A cartography using image data of satellite is provided to fabricate a map using image data of a satellite, thereby reducing a map fabrication period and enhancing accuracy. CONSTITUTION: A cartography using image data of satellite comprises steps of: correcting image data on the basis of coordinate information of numerical data so that the image data and numerical data have same position information; correcting height shift error so that the periphery of constant camera area has orthogonal projection features; combining the corrected unit data to continuous data; fusing chromatic information of multi spectrometric image data with maintaining resolution of panchromatic image data contained in image data ; adding vector mapping information containing details of topography to the image fusion data to generate a 2-dimensional satellite image map; generating a digital elevation model and then fabricating a sample which is the same as a real surface of an earth on the basis of the digital elevation model; generating 3-dimensional projection image data by adding the image fusion data to the sample; and converting the 3-dimensional projection image data into moving images.
Patent KR-20000054215-A (KR)
Inventor: KIM DAE HEE
IPC: H04B1/40
Filed: 2000-05-26
Abstract: PURPOSE: A method for supplying karaoke systems using cellular phones is provided, so that users can receive music signals through speakers by wirelessly connecting with databases including music information, and by displaying the music information in cellular phones of the users when the users want to practice songs or receive the music information. CONSTITUTION: A method for supplying karaoke systems using a cellular phones comprises the steps of: making a user connect to a server through a wireless application protocol(WAP) gateway with a cellular phone; making the user enter a karaoke menu to move to a retrieval window; making the user input a song title by using a Hangul(Korean character) key of the cellular phone; and if a retrieval key is pressed, retrieving a retrieval program of the server to display an initial screen for a song.
Patent KR-20010108986-A (KR)
Inventor: CHOI GYEONG HUI
Filed: 2000-06-01
Abstract: 본 발명은 별도의 러빙 공정없이도 다중 도메인을 형성하여, 시야각을 확보할 수 있는 수직 배향 모드 액정 표시 장치를 개시한다. 개시된 본 발명은, 소정 거리를 두고 대향하며, 단위 화소가 한정된 상,하부 기판; 상기 상하부 기판 사이에 개재되며, 유전율 이방성이 음인 수개의 액정 분자를 포함하는 액정층; 상기 하부 기판의 내측면에 형성되는 화소 전극; 상기 상부 기판의 내측면에 형성되며, 상기 화소 전극과 함께 액정 분자를 동작시키는 전계를 형성하는 카운터 전극; 상기 화소 전극과 액정층 사이에 개재되는 제 1 수직 배향막; 상기 카운터 전극과 액정층 사이에 개재되는 제 2 수직 배향막; 상기 상부 기판 외측면에 배치되며, 소정의 편광축을 갖는 제 1 편광판; 상기 하부 기판 외측면에 배치되며, 상기 편광자의 편광축과 직교하는 편광축을 갖는 제 2 편광판; 및 상기 제 2 편광판과 상부 기판사이에 액정 분자들의 굴절율 이방성을 보상하는 위상 보상판을 포함하며, 상기 화소 전극은 플레이트 형태를 갖고, 상기 화소 전극의 가장자리를 따라 배치되는 "U"자형 홈을 구비하며, 상기 카운터 전극은 플레이트 형태를 갖고, 상기 화소 전극의 "U"자형 홈에 삽입되어 보이도록 "ㅗ"자형의 홈이 구비하는 것을 특징으로 한다.
Patent KR-20000054336-A (KR)
Title: Natural Mash and Potato
Inventor: KIM MOON KI
IPC: A23L19/12
Filed: 2000-05-08
Abstract: PURPOSE: A method for the preparation of potato starch as a natural antiseptic substance is provided which is extracted from the potato starch preventing decomposition by natural winterization. CONSTITUTION: A method for the preparation of potato starch as a natural antiseptic substance comprises the four steps. A first steps of: passing the winter naturally; repeating a natural freezing, and a natural drying for 5-6 months(from December to April) to potatoes. A second steps of: washing the potatoes gathered; eliminating the solanin, and remnant of potato; and soaking the potato with potato's vinegar for 48 hours in the water at 10°C. A third steps of: eliminating the water; drying by heat; and extracting the potato starch. A fourth step of: mixing the potato starch as natural antiseptic substance and a general potato starch in a ratio of 3 : 7.
Patent KR-20010109714-A (KR)
Inventor: LEE YANG KUN
Filed: 2000-06-02
Abstract: 본 발명은 천연약초를 수시간 달여서 농축엑기스를 얻는 엑기스 제조공정과 천연약초로부터 추출시킨 약초색소를 얻는 약초색소추출 공정과, 농축엑기스를 실크단백질과 혼합하여 실크원단에 증기분사시킨후, 별도의 농축엑기스와 약초색소 추출물의 혼합액에 12시간 - 24시간 침전시킨 후 건조시키는 과정을 수회 이상 반복하는 원단염착 처리공정을 결합시켜서 된 건강의류 제조방법에 관한 것이다.
Patent KR-20010111176-A (KR)
Inventor: LEE JONG HWA
Filed: 2000-06-08
Abstract: 여기에 개시되는 공통 모드 피드백(CMFB, common mode feedback)을 이용한 증폭기 회로는 입력 신호에 대응하는 출력 신호를 전달하기 위한 한 쌍의 출력 단자들 및; 목표 전하 샘플링 동작을 수행하며, 전하 재분배 구간에서 상기 증폭기 회로의 출력 단자들을 전기적으로 연결하는 커패시터를 포함한다.
Patent KR-20000058558-A (KR)
Inventor: LEE JONG UK
IPC: G02F1/13
Filed: 2000-06-14
Abstract: PURPOSE: A method for forming a double blade side plate of a liquid crystal display panel and a mold therefor are provided to suppress vaporization by draining out gases. CONSTITUTION: A method for forming a double blade side plate of a liquid crystal display panel includes a plurality of gas outlet holes(16), a plurality of heaters(H) and a heat path(18). A mold base(M) includes a top plate(1), an upper plate(2), a lower plate(3), a space block(4) and a base plate(5). A frame forming portion(11) and a tuck blade forming portion(14,14a) are formed on the ground surface between the slice cores(10,10a). The plurality of gas outlet holes(16) is formed on the lower portion of the on the ground surface between the slice cores(10,10a) in a zigzag formation. The plurality of heaters(H) is inserted in the upper plate and the lower plate so as for a material to be cooled off. The heat path(18) is formed on the heaters. Panel plates(30,30a) are provided as a heater and formed on a lower surface of the space plate and the upper surface of the top plate so as to increase heat capacity.
Patent KR-20020000564-A (KR)
Title: Manufacture Method of Immobilized Bioluminescent Bacteria and Its Use for Water Toxicity
Inventor: KIM EUN GI
IPC: C12Q1/04
Filed: 2000-06-21
Abstract: PURPOSE: Provided are a preparation method of immobilized luminescent microorganism and a water testing method by using the microorganism to detect the pollution by heavy metals and organic solvents. The testing method is used for early detection of the pollution of the waste water flowing into the drinking water source and for checking the degree of pollution in the released water at the waste water treatment facility. CONSTITUTION: The preparation method of the immobilized luminescent microorganism consists of: recovering Photobacterium phosphoreum (KCTC2858), cultured for 16 hours at 18deg.C, from the culture medium, by centrifuging; preparing the immobilizing materials, solution of alginate and strontium chloride by adding 2.4wt.% sodium alginate to the solution containing 100wt.% of sterilized distilled water and 2wt.% of sodium chloride and by adding 8.2wt.% of strontium chloride solution to the solution containing 100wt.% of sterilized distilled water and 2wt.% of sodium chloride; making alginate cell solution by mixing the above recovered luminescent microorganism with the alginate solution and adding the above strontium chloride solution drop-wise so that cross linking structure is formed between alginate and strontium; and hardening the structure for 30 minutes. The test method comprises: putting the immobilized luminescent microorganism into the bioreactor; introducing culture medium and oxygen to the above reactor; stirring the immobilized microorganism in the above bioreactor; and mixing the continuously released culture medium containing luminescent microorganism with water test sample and measuring the intensity of luminescence to detect the pollution.
Patent KR-20010007547-A (KR)
Inventor: ASAI YOSUKE
IPC: G06F3/0484
Filed: 2000-06-28
Abstract: PURPOSE: Disclosed are a picture displaying device and a method capable of changing state transition data or plotting data without changing a state transition control part and a plotting control part by changing the display of a menu constituted of graphic elements on the basis of animation elements. CONSTITUTION: One or more graphic elements(41) constituted of the data of basic constitutional elements of an image of a menu or the like and the attribute values of the basic constitutional elements and one or more animation elements(42) related to the elements(41) and describing a prescribed condition and a procedure for dynamically changing the attributes of the elements(41) when the condition is satisfied are stored as plotting data, and when the condition is satisfied, the procedure described in the elements(42) is executed and the attributes of the elements(41) are changed.
Patent KR-20020001445-A (KR)
Title: Apparatus to fix media for digital printing machine
Inventor: CHOI GWAN SU
IPC: B41J2/235
Filed: 2000-06-28
Abstract: PURPOSE: A media fixing apparatus of a digital printing machine is provided to prevent media from being damaged by controlling a holding roll around a supply roller, and to improve working efficiency by arranging media at initial position before printing and supplying actively. CONSTITUTION: A media fixing device of a digital printing machine is composed of a supporting member(107) assembling a turning bracket(105) with a turning shaft(106) to rotate the turning bracket; a supporting member assembling unit combining the supporting member with the lower part of a transfer bar; and a holding roll contacting unit rolling contacting a holding roll(104) to the upper parts of supply rollers selectively. The holding roll fastens media by contacting rolling the upper parts of plural supply rollers protruded in a base, and connects to the turning bracket. The holding roll is rolled with rotating the supply rollers to supply media smoothly. The holding roll is controlled conveniently in mounting the media in the base for printing. Working efficiency is improved with protecting the media by rolling contacting the holding roll according to rotating the supply rollers.
Patent KR-20020006962-A (KR)
Title: Device for sealing of clutch master cylinder in car
Inventor: KIM JAE YEONG
IPC: F16D13/58
Filed: 2000-07-14
Abstract: PURPOSE: A sealer of a clutch master cylinder is provided to improve the sealing force between a tube seat and a liner by installing a sealer in the gap between the tube seat and the liner. CONSTITUTION: A sealer(25) having a size and a shape corresponding to the size and shape of a gap between a tube seat(23) and a liner(12) is prepared. The sealer is installed in the gap between the tube and the liner. Thus, the gap is minimized and the leakage of oil through the gap is avoided. According to the size and shape of the sealer, pressure is uniformly applied to the contact face of the tube seat and the liner. Additionally, at least one of sealing protrusions are formed on the contact faces of the sealer, tube seat, liner, and an oil discharge pipe. Therefore, the sealing force is improved.
Patent KR-20020007806-A (KR)
Title: Composition comprising extract of medicinal herbs for preventing and curing allergy and/or asthma
Inventor: CHOUE CHUNG WON
IPC: A61K36/65
Filed: 2000-07-19
Abstract: PURPOSE: Provided is a composition for the prevention and treatment of allergy or asthma, containing the extracts of medicinal herbs, thereby the symptoms caused by the allergy or asthma can be effectively inhibited. CONSTITUTION: The composition for the prevention and treatment of allergy or asthma contains an effective amount of at least one extract selected from the group consisting of Moutan Cortex and Acanthopanacis Cortex and a pharmaceutically acceptable carrier, in which the extracting solvent is at least one selected from the purified water, ethanol, methanol, butanol, ethyl acetate and acetone; and the effective amount of the medicinal herb extracts in a person 60 kg heavy is 9 to 27 g/l of Acanthopanacis Cortex and 6 to 12 g/l of Moutan Cortex.
Patent KR-20020008263-A (KR)
Title: Flexible circuit board of a liquid crystal display device
Inventor: CHOI MIN SEONG
IPC: H05K1/11
Filed: 2000-07-20
Abstract: PURPOSE: A flexible printed circuit board of a liquid crystal display is provided to prevent disconnection of conductive patterns formed on a border portion of a solder resist layer. CONSTITUTION: A flexible circuit board includes a flexible film(110). The flexible film(110) includes a printed circuit board coupling part(112) that is coupled with a printed circuit board. A liquid crystal panel coupling part(114) is coupled with a liquid crystal panel. A driving IC(120) is mounted at the center of the flexible film between the printed circuit board coupling part(112) and the liquid crystal panel coupling part(114). The driving IC(120) receives a driving signal for driving the liquid crystal panel and transfers the driving signal to each element of the liquid crystal panel. Conductive patterns(122) are formed on the printed circuit board coupling part(112) to transfer the driving signal to the driving IC(120) from the printed circuit board and be electrically connected to the printed circuit board. The conductive patterns extend to the driving IC, and are covered by a solder resin layer(116). Conductive patterns(124) are formed on the liquid crystal panel coupling part(114) to be electrically connected to driving elements of the liquid crystal panel from the driving IC and apply a driving signal to respective driving elements of the liquid crystal panel. The conductive patterns(124) extended to the driving IC are covered by the solder resin layer(116). An align mark(126) is formed on both outermost patterns of the conductive patterns(124) to easily couple lines of the liquid crystal panel(114).
Patent KR-20010039738-A (KR)
Inventor: FUJIEDA WAICHIRO
IPC: G11C11/4076
Filed: 2000-07-21
Abstract: PURPOSE: To decrease an error in monitoring time to be required for monitoring the passage of clocks by the whole dummy circuit as much as possible as to a semiconductor device having a clock stabilizing circuit for adjusting the phases of 1st and 2nd clocks inputted from the external by a complementary clock format and generating an internal clock delayed by a prescribed phase. CONSTITUTION: The clock stabilizing circuit 1 for a DLL circuit or the like is constituted so as to include a clock input circuit part 2 for receiving 1st and 2nd clacks to be complementary clocks and a dummy input circuit part 64 capable of receiving the 1st and 2nd feedback clocks to be complementary clocks and having delay time equivalent to the delay time of the 1st and 2nd clocks in the circuit part 2.
Patent KR-20010070013-A (KR)
Title: Semiconductor device and plating for same
Inventor: NISHIKAWA HIDEYUKI
IPC: C25D5/10
Filed: 2000-08-03
Abstract: PURPOSE: To provide a semiconductor device with good solder wettability and crack resistance. CONSTITUTION: Related to a semiconductor device where the surface of an external lead is plated with a tin-bismuth alloy, a first tin-bismuth alloy plated layer 2 is formed on the surface of the external lead 1, over which a second tin-bismuth alloy plated layer 3 is formed, with the composition ratio of the bismuth in the first tin-bismuth alloy plated layer 2 different from that of the second tin-bismuth alloy plated layer 3.
Patent KR-20020012764-A (KR)
Inventor: JUNG IN HWA
IPC: F04D29/54
Filed: 2000-08-08
Abstract: PURPOSE: A shroud for axial flow fan is provided to prevent noise and reduction of air volume by preventing the secondary flow of air at the wall surface of the air guide portion. CONSTITUTION: A shroud comprises a cylindrical fixing portion(51) to be fixed to an axial flow fan; and an air guide portion(53) formed integrally with the fixing portion, and which guides air flow caused by the axial flow fan and increases pressure. The air guide portion has, at a wall surface thereof, a plurality of holes(55) so as to prevent the secondary flow of the air where the air flows along the wall surface of the air guide portion. The holes are formed at equal intervals along the wall surface of the air guide portion. Thus, the air introduced to the side wall of the air guide portion is discharged through the holes formed at the side wall of the air guide portion.
Patent KR-20010021246-A (KR)
Title: Dummy wafer and heat treatment method using thereof
Inventor: MINAMI SHINJI
IPC: H01L21/68
Filed: 2000-08-09
Abstract: PURPOSE: A dummy wafer and a heat-treating method to perform using the same are provided to ensure a full mechanical strength even if the diameter of the dummy wafer, which is used in a heat-treating process for a semiconductor substrate, is formed in a diameter of 30μm or longer. CONSTITUTION: A dummy wafer(12) mounted on a wafer boat, which is used in a heat-treating unit for a semiconductor wafer, along with the wafer is formed of a material such as a quartz. A reinforcing part(14) is provided on the surface on one side of the surfaces of the wafer(12). Notches(16) are respectively provided in each of the ends of the part(14). The wafer(12) is mounted on the boat in such a way that the supports of the boat and the notches(16) are engaged with each other.