baber/WOPTO huggingface dataset:
Patent KR-20030059061-A (KR)
Inventor: HUH CHEOL
IPC: H05K7/14
Filed: 2003-06-24
Abstract: PURPOSE: A subrack structure is provided to prevent damages of external electronic device and electrical components mounted in the subrack structure. CONSTITUTION: A subrack structure comprises a front frame(211) and a center frame(212) arranged at a predetermined gap; a front plate(204) fixed to the upper/lower front frames; a side plate coupled to both ends of the frames; a top plate(201) fixed to the upper front frame and the center frame, and which has an air ventilating hole; a bottom plate fixed to the lower front frame and the center frame; an electromagnetic interference shielding filter(240) interposed between the front frame and the center frame; and a bottom plate(205) and an intermediate plate(206) interposed between the front frame and the center frame.
Patent KR-20050002549-A (KR)
Inventor: LEE YONG IL
IPC: F02B27/06
Filed: 2003-06-30
Abstract: PURPOSE: A plunger type valve train is provided to open and close the intake and exhaust port easily by supporting the plunger type valve with the spring, and to reduce manufacturing cost and manufacturing hours by simplifying the structure of the valve. CONSTITUTION: An intake and exhaust system of an engine comprises a cylinder head(15) having an intake plunger hole and an exhaust plunger hole including an upper hole communicated with an intake port and an exhaust port and a lower hole communicated with a cylinder, an intake plunger(22) inserted to the intake plunger hole to supply or shut off air from the intake port to the cylinder, an exhaust plunger inserted to the exhaust plunger hole to supply or shut off air from the cylinder to the exhaust port, an elastic member(24) elastically supporting the intake plunger and the exhaust plunger, and a cam(26) pressing the intake plunger and the exhaust plunger sequentially to the elastic member and receiving rotational force from the crankshaft.
Patent KR-20050009365-A (KR)
Inventor: HER DONG IM
IPC: G02F1/1333
Filed: 2003-07-16
Abstract: PURPOSE: An LCD module is provided to form fixing elements to a PCB(Printed Circuit Board), a top case and a cover shield for keeping grounding states of the PCB and a bottom cover. CONSTITUTION: An LCD module includes a support main(290) mounted with an LC panel(220) and a backlight assembly inside, and a top case(230) for protecting the LC panel. A bottom cover(250) is positioned at a lower part of the support main for fixing and protecting the LCD module from external impact. A cover shield(240) protects a PCB(210) from the outside, wherein the PCB outputs electric signals to the LC panel. Positions of the PCB and the bottom cover are fixed by a protrusion(235) of the top case. The PCB and the bottom cover completely contact each other by a fixing element(245) of the cover shield, so that the grounding state of the PCB and the bottom cover are fixed.
Patent KR-20050009940-A (KR)
Inventor: RYU HYUK HYUN
IPC: H01L21/762
Filed: 2003-07-18
Abstract: PURPOSE: A method for forming an isolation layer of a semiconductor device is provided to improve process reliability and an electrical characteristic of a semiconductor device by preventing a moat from being formed at the edge of isolation layer in a process for removing a pad nitride layer and a pad oxide layer. CONSTITUTION: A stack structure having an opened isolation region is formed on a semiconductor substrate(201), including a pad oxide layer(202) and a pad nitride layer(203). A trench(204) is formed in the isolation region of the semiconductor substrate. An insulation material layer is formed on the resultant structure to fill the trench. The insulation material layer on the pad nitride layer is removed to form an isolation layer(205) on the trench in the isolation region. The pad nitride layer is etched to be left only on the sidewall of the isolation layer so that a nitride layer spacer(209) is formed. The pad oxide layer is eliminated.
Patent KR-20040014313-A (KR)
Inventor: COK RONALD STEVEN
IPC: H05B33/12
Filed: 2003-08-06
Abstract: PURPOSE: An OLED(Organic Light Emission Diode) area illumination device is provided to secure simple construction and low cost and to replace corresponding to the existing illumination equipment. CONSTITUTION: An area illumination device(200) includes a common base(10), and a plurality of OLED devices(8) simultaneously formed on the common base. A number of OLED devices(8) are arranged at intervals and electrically connected in series. Further a power source(18) is connected to the first OLED device and the last OLED device arranged in series at intervals.
Patent KR-20050018177-A (KR)
Inventor: KIM CHUL
IPC: F04B39/10
Filed: 2003-08-13
Abstract: PURPOSE: An installation structure of a damping pipe of an enclosed compressor is provided to mount the damping pipe accurately and firmly by brazing the damping pipe in fastening the damping pipe to the head plate. CONSTITUTION: A damping pipe installation structure is composed of a head plate(30) combined with a head cover(40) to form a discharge chamber(45) and composed of a communication hole(35) discharging actuating fluid from the discharge chamber and a seating groove(37) near the communication hole, a discharge muffler(60) communicated with the discharge chamber through the communication hole and combined with the head plate to remove pulsation and noise of actuating fluid, and a damping pipe(50) composed of an inlet communicated with the discharge chamber through the communication hole and an outlet(53) communicated with the discharge muffler and placed in the seating groove.
Patent KR-20050018178-A (KR)
Inventor: PARK YOUNG JAE
IPC: H04B7/26
Filed: 2003-08-13
Abstract: PURPOSE: A method for saving a transmit power of a mobile communication terminal is provided to limit a transmission of a mobile communication terminal if the terminal is located in an area having a wider receiving radius than a transmission radius, thereby realizing a transmit power-saving function. CONSTITUTION: If a transmission fails(201), a terminal adds a transmission failure to a transmission failure list(202). The terminal obtains a system via a system determination process(203,204). The terminal decides whether the obtained system is in the transmission failure list(205). If so, the terminal decides whether the transmission failure continuously occurs at N times or for T seconds(206). If so, the terminal enters a power-saving mode(207), and informs a terminal user of the power-saving mode(208). The terminal limits an additional procedure for additional registering for a certain time(209).
Patent KR-20050021703-A (KR)
Inventor: KIM WHA YOUNG
IPC: H04M11/00
Filed: 2003-08-25
Abstract: PURPOSE: A wired telephony actor system of a mobile terminal and a method thereof are provided to allow a user to use a wired communication network less expensive than a mobile communication network by using a mobile terminal. CONSTITUTION: A mobile terminal(110) including a wired telephony agent program allowing performing of call communication through the PSTN transmits a call request according to the wired telephony agent program to perform call communication through a fixed line. A wired/wireless terminal(120) including a wired telephony actor program for relaying call communication through the PSTN transfers the call request received from the mobile terminal(110) to the PSTN and relays call communication through the fixed line. A connection unit(130) connects the mobile terminal(110) and the wired/wireless terminal(120) wirelessly or through the fixed line.
Patent KR-20050021815-A (KR)
Inventor: JIN JONG HAK
IPC: B62D6/00
Filed: 2003-08-26
Abstract: PURPOSE: A failsafe control method of an AFS system is provided to stabilize unstable behavior of a vehicle caused by fast steering ratio in high-speed traveling by moving a control shaft of a third level to an output shaft at once and setting slowly the steering ratio. CONSTITUTION: An AFS system for compensating steering angle of front wheels comprises a vehicle information detection sensor; an AFS ECU; an AFS driving circuit unit; a variable gear mechanism composed of a first level input shaft, a second level output shaft, and a third level control shaft, and operated by the ECU to make steering ratio slow as the third level control shaft approaches the output shaft and make steering ratio fast as the control shaft gets apart from the output shaft; and an AFS motor. A failsafe control method of the AFS system is composed of steps for deciding proper steering ratio by the AFS ECU by receiving steering angle, vehicle speed, lateral acceleration, and yaw rate detected by a steering angle sensor, a vehicle speed sensor, a lateral acceleration sensor, and a yaw rate sensor(S1); deciding if fail occurs in the AFS system according to self-diagnosis logic by the AFS ECU(S2); outputting a control signal to the AFS driving circuit unit and controlling driving of the AFS motor and operation of the variable gear mechanism to follow and control the decided proper steering ratio, when fail is not generated in the AFS system(S3); and outputting a control signal for setting slowest steering ratio to the AFS driving circuit unit and accordingly controlling the AFS motor and the variable gear mechanism if fail occurs(S4).
Patent KR-20050025795-A (KR)
Title: Hydraulic control system for automatic transmission
Inventor: KANG HYUN GOO
IPC: F16H61/00
Filed: 2003-09-08
Abstract: A hydraulic control system of an automatic transmission is provided to improve responsiveness by releasing quickly in shifting up from 3 into 4-range and shifting down from 3 into 2-range, and to reduce shift shock by delaying release of hydraulic pressure in shifting R into N-range. A hydraulic control system of an automatic transmission is composed of a manual valve(12) switching a port by interlocking with a select lever, a shift valve(14) supplying or releasing operation pressure to a front clutch(10) in switching the port by changing the speed range with the manual valve, a signal pressure supply passage supplying the signal pressure to switch the port by the shift valve, and an operation pressure release passage and release speed regulating unit changing the release passage and the release speed of operation pressure according to change of the speed range in releasing operation pressure of the front clutch with the shift valve.
Patent KR-20050026838-A (KR)
Title: The method for manufacturing of advanced ion exchange illite(silverlite).
Inventor: KIM SOO BYUNG
IPC: C01B33/38
Filed: 2003-09-09
Abstract: To provide a method for preparing an ion-exchanged illite, which is able to improve antibacterial function, deodorization and adsorption of poisonous gas of the ion-exchange illite and increase the life span of the illite. The method comprises the steps of: (a) mixing 5-50 wt.% of illite, 5-50 wt.% of clinoptilolite, 2-50 wt.% of quartz porphyry, 5-50 wt.% of mordenite and 5-50 wt.% of synthetic A-type zeolite; (b) crushing the mixture into powders having a size of 1-100 micrometers; (c) after dispersing 1 gram of the powder in 5-50 milliliters of distilled water, neutralizing the dispersion using NaOH at the concentration of 0.1-3.0 N; (d) after adding 5-50 milliliters of silver nitrate solution at the concentration of 0.1-3.0 N to 100 milliliters of the neutralized solution, stirring it for 6-24 hours at room temperature; (e) after performing a solid-liquid separation of the mixture of the step (d), identifying whether the ion exchange is occurred or not using filtrate; (f) after adding the silver nitrate solution at the concentration of 0.1-3.0 N to the mixture when the ion-exchange is not completed, stirring it again at room temperature for 6-24 hours; and (g) drying the solid-liquid separated solid at a temperature of 25-120 deg.C for 2 hours.
Patent KR-20050029015-A (KR)
Title: A method for reducing over-break to the minimum
Inventor: JEONG DONG HO
IPC: F42D3/04
Filed: 2003-09-19
Abstract: To provide a blasting method capable of minimizing over-break of excavation contour hole part and minimizing blasting vibration and noise during tunnel blasting. The blasting method for minimizing over-break of excavation contour hole part in tunnel rock excavation comprises a step of forming a plurality of first blast holes(30) to a certain drilling angle and a fixed depth along the excavation expected line at fixed positions under an excavation expected line(L) of the excavation contour hole part(20) of tunnel; a step of forming a plurality of second blast holes(40) having a fixed depth less deeper than depth of the first blast holes to a certain drilling angle along the excavation expected line between the first blast holes and the excavation expected line; a step of forming notch parts(41) at both sides of the second blast holes such that the notch parts are symmetrical to each other in a circumferential direction; a step of charging explosive to a certain depth into the first blastholes; a step of charging explosive to a certain depth into the second blastholes; and a step of blasting the explosives inside the first and second blastholes.
Patent KR-20030084810-A (KR)
Title: Muffler for removing noise and purifying exhaust gas of vehicle
Inventor: LEE CHUNG HAN
IPC: F01N3/02
Filed: 2003-09-19
Abstract: PURPOSE: A muffler is provided to prevent an environmental contamination by neutralizing the noxious exhaust gas into a gas which is not harmful to the human body, while reducing noises. CONSTITUTION: A muffler comprises a pipe(1) for passage of the gas burnt in an engine; a chamber(2) for absorbing the exhaust gas and reducing noises; a pipe(3) for passage of the gas passed through the chamber; and a chamber(4) filled with ceramic balls(9) for catching a noxious exhaust gas.
Patent KR-20040027386-A (KR)
Title: Capacitative electromagnetic flow meter
Inventor: NAKATANI HIROSHI
IPC: G01F1/58
Filed: 2003-09-24
Abstract: PURPOSE: A capacitance-type electromagnetic flowmeter is provided to improve the stability against vibration and moisture by reducing the obstacles generating the antimagnetic field and influence of electromagnetic induction noise, electrostatic induction noise, friction noise or fluid noise. CONSTITUTION: A capacitance-type electromagnetic flowmeter is composed of a flow rate detecting unit(10) measuring the rate of flow, a signal processing unit(11) gaining the flow signal according to the detection signal from the detecting unit, and an exciting circuit(8) supplying exciting current to the exciting coil of the detecting unit. A characteristic correcting filter compensates the gain frequency characteristic of exciting current to form the flat part in the exciting magnetic flux wave by exciting over the normal frequency. The detecting unit reduces the electrostatic capacitance between surface electrodes(4A,4B) and guard electrodes(5A,5B) lower than the electrostatic capacitance between the surface electrodes and the measured fluid. The exciting coils are shielded and fixed to a yoke, and the yoke and the measuring pipe are symmetrically fixed to the tubular shaft and the electrode shaft by the earth rings.
Patent KR-20050031820-A (KR)
Title: Fabrication methods of conductive coating solution using nascn aqueous solution
Inventor: DONG YON KIM
IPC: D06M15/61
Filed: 2003-09-30
Abstract: A manufacturing method of conductive coating solution using NaSCN aqueous solution is provided a conductive acrylic fiber to remove static electricity and shield from electromagnetic wave by adding conductive polymer and using an existing NaSCN process and give conductivity to the existing acrylic fiber by coating a conductive solution without a binder. A conductive coating solution is obtained by the steps of: dissolving sulfonated polyaniline(SPAN) in a basic aqueous solution(NH4OH,NaOH); and then dissolving NaSCN. The SPAN is characterized by using polymer substituted -SO3H group in a range of 0.25-0.60 based on aniline monomer. When conductive acrylic fiber or fabric is manufactured, the NaSCN solution is used in hot water drawing bath or a first coagulating bath. The acrylic fiber or the fabric is dipped into the coating solution, and is washed with an acidic solution.
Patent KR-20050032301-A (KR)
Title: Plasma display panel
Inventor: YOO SUNG HUNE
IPC: G09G3/28
Filed: 2003-10-01
Abstract: A plasma display panel is provided to lower a discharge sustain voltage and achieve improved operating efficiency, by arranging initial discharge induction electrodes in the portions of sustain electrodes disposed in respective discharge spaces. A plasma display panel comprises a rear substrate(111); address electrodes(112) arranged at a predetermined spacing on an upper surface of the rear substrate; a rear dielectric layer(113) for burying the address electrodes; barrier ribs(114) formed on the rear dielectric layer so as to define discharge spaces(115); phosphor layers(116) formed in the discharge spaces, respectively; a front substrate(121) arranged over the rear substrate such that the front substrate is opposed to the rear substrate; sustain electrodes(122) arranged on a lower surface of the front substrate in the direction orthogonal to the address electrodes; bus electrodes(125) connected to the sustain electrodes, respectively; a front dielectric layer(126) for burying the sustain electrodes and the bus electrodes; and an initial discharge induction electrodes(130) arranged in the portions of the sustain electrodes disposed in the respective discharge spaces. The sustain electrodes include a pair of scan electrodes(124) and a common electrode(123) disposed in the discharge spaces such that a predetermined discharge gap is formed between the sustain electrodes. The initial discharge induction electrodes are made of a material having a dielectric constant different from that of the front dielectric layer.
Patent KR-20040034511-A (KR)
Inventor: BOO HA RYEONG
IPC: C12N15/63
Filed: 2003-10-17
Abstract: PURPOSE: A vector for anti-HPV(human Papillomavirus) vaccine and a transformed microorganism therewith are provided, thereby expressing capsid L1 protein of human Papillomavirus on the surface of the microorganism, so that the transformed microorganism can be useful for prevention and treatment of hPV. CONSTITUTION: A vector for anti-HPV(human Papillomavirus) vaccine contains one or two gene selected from pgsB, pgsC and pgsA encoding polygammaglutamic acid synthase complex and an antigen protein gene of human Papillomavirus, wherein the antigen protein gene is one or two surface antigen protein gene selected from HPV capsid L1 and L2 or one or two antigen protein gene selected from HPV E6 and E7. The transformed microorganism with the vector for anti-HPV(human Papillomavirus) vaccine is provided, wherein the microorganism is selected from Escherichia coli, Salmonella typhi, Salmonella typhimurium, Vibrio cholera, Mycobacterium bovis, Shigella, Bacillus, Lactobacillus, Lactococcus, Staphylococcus, Listeria monocytogenes and Streptococcus.
Patent KR-20050038713-A (KR)
Inventor: BANG MYUNG SEOK
IPC: E01D2/00
Filed: 2003-10-22
Abstract: 본 발명은 교량용거더 및 이를 이용한 교량연속화공법에 관한 것으로,  I형, T형, U형, 박스 거더 등과 같은 교량용거더 상부플랜지 단부를 본 발명의 연속화수단인 연결틀 설치에 충분한 길이의 홈을 파고, 고강도 나사철근 및 나사강봉을 포함하는 상부내부강재가 상기 상부플랜지를 돌출하도록 제작하고, 상부내부강재가 형성된 교량용거더를 단순보 방식으로 설치하여, 상기 상부내부강재를 슬래브콘크리트 타설 전에 상기 연속화수단에 너트부재로 고정시켜 슬래브콘크리트 타설 하중을 부담할 수 있도록 함으로서, 기존의 2차사하중 및 활하중에 부담에 관한 교량의 연속화 시공을 더욱 효율적으로 개선한 교량연속화공법에 관한 것이다.
Patent KR-20050040594-A (KR)
Inventor: LEE JONG BUM
IPC: F01N13/18
Filed: 2003-10-29
Abstract: 본 발명은, 동체를 상하로 구분하여 각각 프레스 가공한 후 이들의 주연부를 상호 결합하며, 주연부에 플렌지부가 형성되어 있어서 동체를 결합함에 따라 동체 내벽에 의해 위치 고정되는 격판을 상하부 동체 내부에 배치하여 형성되는 프레스 타입 배기 소음기에 관한 것으로,  
     본 발명에 의하면, 동체에 형성된 비드부 내부에 격판의 플렌지부가 안정적으로 안착되므로, 동체의 결합시 격판이 동체 내부의 정위치에 안정적으로 지지되고, 사용시 밀폐 공간 사이의 기밀성이 향상되며, 배기 가스의 유동에 따른 진동이 저감될 수 있게 된다. 
     또한, 상부 동체와 하부 동체 주연부의 결합부가 원형 단면을 갖는 프레스 금형 내에서 금형 단면을 따라 원형으로 말려 형성됨으로서, 상하부 동체의 결합을 간단한 공정으로 수행함과 동시에 기밀성을 향상시킬 수 있게 되며, 동체 결합부의 불량률을 최소화시킬 수 있게 된다.
Patent KR-20050047692-A (KR)
Inventor: KIM SUM OCK
IPC: A63C19/00
Filed: 2003-11-18
Abstract: 본 발명은 익스트림 스포츠(extreme sports)의 일부분에 해당되는 인라인 스케이트의 주행방식 중, 지면에 놓여진 장애물을 지그재그 즉, "S"자로 주행하는 것을 슬라럼(slalom)이라고 일컫는데, 슬라럼(slalom)을 인위적으로 연출하기 위하여노면에 일정간격으로 배열하여 위치시키는 기물에 관한 것으로,  
     일반적으로는 슬라럼(slalom) 묘기를 연출할 때, 지면에 일정간격으로 다수개의 기물을 위치하여 놓고 "S"자 모양으로 주행을 하며 놀이를 하는데, 종래의 기물은 특정적으로 정하여진 형상의 기물은 없고 사용자가 임의의 형상으로 이루어진 기물을 구입하여 사용되어져 오고 있다.    
     이와 같이 슬라럼(slalom)묘기를 하기 위해 사용되는 기물은 별도의 발광체나 표시 장치등이 형성되어 있지 않아서 야간에 사용할 때 기물의 위치를 파악할 수 가 없고 기물과 부딪히는 경우가 빈번히 발생하여 주행시 매우 위험하였다. 
     본 발명은 슬라럼(slalom)등과 같은 묘기를 연출할 때 사용할 수 있도록 하고, 특히 기물 내부에 발광장치를 구성하여 야간에 시야를 확보하도록 함으로써, 야간에도 인라인 스케이트를 통해 슬라럼(slalom) 묘기를 자유롭고 안전하게 즐길 수 있도록 하는 발광기능을 가지는 인라인 스케이트의 주행용 기물에 관한 것이다.
Patent KR-20050047819-A (KR)
Inventor: NAM KI HOON
IPC: B60J9/04
Filed: 2003-11-18
Abstract: 본 발명은 버스 출입문을 통한 배기 오염물질 유입 차단 시스템에 관한 것으로서, 공기탱크에 저장된 고압공기를 공급받아 분사시킴에 의해 에어커튼을 형성시키도록 승객 출입구의 상부에 에어분사노즐(3)이 설치되며, 상기 승객 출입구를 통해 승객이 승, 하차하는 것을 감지하여 에어분사노즐(3)로 공급되는 고압공기를 차단시키도록 센서(4)가 설치됨을 특징으로 하며, 이에 의하면 버스 출입문이 열려 있는 상태일 때 에어 커튼을 이용하여 외부의 배기 오염물질이 버스 내부로 유입되는 것을 차단시키는 우수한 효과를 갖는다.
Patent KR-20050052842-A (KR)
Inventor: LIM YOUNG NAM
IPC: G02F1/136
Filed: 2003-12-01
Abstract: 본 발명은 액정 표시 장치에 관한 것으로서, 보다 상세하게는 제조 공정을 단순화하는 고개구율의 액정 표시 장치의 어레이 기판 및 그 제조 방법에 관한 것이다.  
     본 발명은 고개구율 액정 표시 장치에서 보호막으로 감광성(Photo curable) 무기 절연막을 사용함으로써 소자의 제조 공정을 단순화시키고 제조 시간 및 제조 비용을 감소시키는 액정 표시 장치의 어레이 기판 및 그 제조 방법을 제공한다.
Patent KR-20050052900-A (KR)
Inventor: CHO CHANG SEOK
IPC: H04B1/40
Filed: 2003-12-01
Abstract: 본 발명은 카메라를 장착한 이동 통신 단말기에서 카메라 센서 튜닝 시에 색상 보정을 수행하도록 한 이동 통신 단말기에서 색상 보정 시스템에 관한 것으로, 카메라가 장착된 이동 통신 단말기에 있어서, 기설정된 색 보정 평가용 테스트 패턴을 스캐닝한 스캐닝 데이터와, 해당 테스트 패턴에 대한 기준 측색 데이터와, 카메라 센서와 LCD에 대한 프로파일링 데이터를 저장하는 저장부와; 카메라 센서에서 추출한 칼라 S/N 값을 바탕으로 노이즈를 생성하고 상기 스캐닝 데이터에 적용한 후에, 상기 테스트 패턴 및 상기 기준 측색 데이터에 비교하여 가장 오차가 적은 프로파일링 데이터를 구해 색 보정을 수행하는 색 보정 제어부를 포함하여 이루어진 것을 특징으로 함으로써, 최적화 작업상의 필요한 비용 내지는 카메라 튜닝에 필요한 비용을 줄일 수 있다.
Patent KR-20050053857-A (KR)
Inventor: CHO SEOK HEON
IPC: H04L9/32
Filed: 2003-12-03
Abstract: 본 발명은 고속 휴대 인터넷 시스템 및 이의 인증 방법에 관한 것이다.  
     본 발명에 따르면, 단말이 기지국에 장치 인증 및 사용자 인증에 대한 요구를 하면, 기지국은 해당 단말에 대한 장치 인증을 직접 수행하고, 장치 인증이 성공하였을 경우 패킷 액세스 라우터를 통해 인증 서버로 단말의 사용자 인증을 요청한다. 단말과 인증 서버 사이의 사용자 인증 단계가 끝나면 기지국은 해당 단말의 사용자 인증과 관련된 인증 정보들을 인증 정보 공간에 저장하고 단말에게 인증 키 및 인증 부가 정보들을 전송한다.  
     이와 같이 본 발명에 따르면, 휴대 인터넷 시스템이 장치 및 사용자 인증을 동시에 수행함으로써, 보다 안정적이고 강력한 보안을 유지할 수 있다.
Patent KR-20040055578-A (KR)
Inventor: KATO YOSHINARI
IPC: A01G31/00
Filed: 2003-12-03
Abstract: PURPOSE: An antibacterial rockwool growth medium for the hydroponic culture of rice, flowers and ornamental plants, fruitage or the like is provided. The medium includes a rockwool base used as a culture medium for hydroponics and an inorganic antibacterial agent, inhibits the growth of harmful bacteria present in nutritious liquid and kills the harmful bacteria. It has long lasting inhibition effect on harmful bacteria such as bacteria causing root rots. CONSTITUTION: The rockwool growth medium(1) for hydroponics is prepared by dispersing an inorganic antibacterial agent substantially and uniformly into an overall surface of the rockwool base or a part of the surface of the rockwool base. The inorganic antibacterial agent contains silver and copper components.