baber/WOPTO huggingface dataset:
Patent KR-20000015611-A (KR)
Title: Circuit for protecting excessive voltage of a monitor
Inventor: SWANG KI BONG
IPC: H04N3/19
Filed: 1998-08-31
Abstract: PURPOSE: A circuit for protecting excessive voltage is provided to maintain power supply voltage by sensing excessive power supply voltage, which is over a proper scope from a switched mode power supply(SMPS). CONSTITUTION: A circuit for protecting excessive voltage in a switched mode power supply(SMPS) comprises: a first zener diode(ZD11), which a cathode receives power supply voltage from an outputting section(5) through a first/a second dividing resistor(R11,R12), is turn-on when the divided power supply voltage is over the normal voltage; a second diode(ZD12), which the cathode is connected to the output of the power supply voltage in parallel; a NPN-typed first transistor(Q11), which a base is connected to an anode of the first zener diode(ZD11), the cathode is connected to an anode of a third zener diode(ZD13), an emitter is grounded. The transistor(Q11) is turn-on by inputted base voltage.
Patent KR-20000019863-A (KR)
Title: Method for recycling residual ink of two-pen ink-jet printer
Inventor: JUNG WOO YOUNG
IPC: B41J2/21
Filed: 1998-09-16
Abstract: PURPOSE: A method is provided to reduce the cost and to recycle residual ink of a color cartridge by printing with residual two colors from an old cartridge and one color from a new cartridge when one color is used all in the old cartridge, as installing two color cartridges in a two pen ink-jet printer. CONSTITUTION: A method for recycling residual an ink is completed by the steps of judging if a cartridge is installed and comparing the sorts of the cartridges, printing if a color cartridge and a mono cartridge are installed, inputting the used color through the input device of a keyboard and a mouse on a window when judging two cartridges are all color cartridges, printing depending on color output from each cartridge when inputting the used color and outputting a message when judging the cartridge is not installed.
Patent KR-20000025497-A (KR)
Title: Device for removing automatically droppings in shaft furnace
Inventor: PARK SEOG DAL
IPC: C21D1/00
Filed: 1998-10-12
Abstract: PURPOSE: A device for removing automatically a droppings in the shaft furnace is provided which mounted on the inlet side and exit side to remove automatically the droppings, which excluded during passing through a strip by impacting a refractory, to be prevented from any loss of heat, with the strip. CONSTITUTION: The device comprises the following components. First, a barrier part(10) of the droppings, which fixes the droppings receiver(12) onto a vertical upper part(12) of a Dance-roll(150), mounted with a droppings moving screw(14) provided with the rotating dynamic power from a motor(16) in the inner part of a box(140), connected with the material on one aspect of the receiver(12). Second, a removing part(50) of the droppings, which has a hood(60) to be able to move front and rear, and connects with a cylinder equipped with a brush roll(62) provided with the rotating dynamic power from a motor on the hood(60), and connects with a debris removing tube(76) on one aspect of the receiver(12). Finally, a controlling part electrically connected with the motor(16) and the cylinder to be supplied with the operating power therein. Thereby, it is possible to extend the period of the lifetime of the shaft furnace and improve the quality of the surface of the strip.
Patent KR-19990044906-A (KR)
Title: 3치출력회로
IPC: H03K19/094
Filed: 1998-10-27
Abstract: 본 발명에 따른 3치출력회로에 있어서는 P채널MOS트랜지스터(1) 및 N채널MOS트랜지스터(2)의 드레인이 상호 접속되고, 드레인 간의 노드에 출력단자가 형성된다. 제1증폭단(4) 및 제2증폭단(5) 각각은 n개의 CMOS인버터를 캐스케이스 접속하여 구성되며, 증폭단은 제1최종단CMOS인버터(6) 및 제2최종단CMOS인버터(7)를 구동하여 P채널CMOS트랜지스터(1) 및 N채널MOS트랜지스터(2)를 각각 구동한다. 더미CMOS인버터(8)의 입력은 제2증폭단(5) 및 제2최종단CMOS인버터(7)의 노드에 접속된다. 제2증폭단(5)의 부하는 제1증폭단(4)의 부하와 동일하며, 제1증폭단(4) 및 제2증폭단(5)에서 같은 단의 CMOS인버터는 그 구동능력이 상호 동일하다. 이러한 구성에 따라서 듀티를 조절하는 과정에서 점검해야할 CMOS인버터의 개수를 줄일 수 있다.
Patent KR-20000032681-A (KR)
Title: Method for managing state using communication message between processes
Inventor: PARK HYE SOOK
IPC: H04L12/58
Filed: 1998-11-17
Abstract: PURPOSE: A method for managing state using communication message between processes is provided to decrease a loss of cells by performing a state report, a failure monitoring, and a failure recovery of a cell multiplexer and demultiplexer board assembly(CMDA). CONSTITUTION: It is tested as to whether an error is occurred when an interrupt for informing an obstacle/failure of a CMDA board(604,605). A firmware(52) re-operates the CMDA board to perform an initial work when the error is occurred(601). The firmware(52) performs a basic operation continuously when the error is occurred. A signal of a message is analyzed when a message receiving interrupt is generated from a upper processor(606,607). It is judged as to whether the CMDA board is reset when a board reset request signal is received from the upper processor(608). The CDMA board is operated and the firmware performs an initial work when the received board reset request signal is a reset command(601). A basic operation of the firmware is continuously performed when the received board reset request signal is the reset command(603).
Patent KR-19990062863-A (KR)
Title: 회전식 압축기에서의 모터 베어링 윤활
IPC: F04C29/02
Filed: 1998-12-07
Abstract: 오일 홈(40-1)은 고압 회전식 압축기의 상부 베어링 랜드(28-1)의 축 저널(40-5) 내에 형성되고 이 홈이 축 저널의 높은 부하 영역 내에 위치되지 않도록 편심체(40-2)에 대해 위치된다.
Patent KR-20000039182-A (KR)
Title: Method for controlling audio volume in audio system
Inventor: JEONG HEON SIK
IPC: H03G3/30
Filed: 1998-12-11
Abstract: PURPOSE: A method for controlling audio volume in an audio system is provided to detect a volume level, increases the volume level to a reference level when the volume level is higher than the reference level, and sequentially increase the volume level from the reference level to a selected level step by step. CONSTITUTION: In a method for controlling an audio volume in an audio system, a selected audio volume level is detected in a state that the audio system is turned on. The selected audio volume level is compared with the reference audio level, and it is judged whether the selected audio volume level is higher than the reference audio level. When the selected audio volume level is lower than or equal to the reference audio level, the audio volume level is controlled to the selected audio volume level. When the selected audio volume level is higher than the reference audio level, the audio volume level is controlled to the reference audio volume level and is sequentially controlled from the reference level to the selected volume level.
Patent KR-20000042369-A (KR)
Title: Method for confirming electronic signature
Inventor: KWAK NAM YOUNG
IPC: H04L9/32
Filed: 1998-12-24
Abstract: PURPOSE: An electronic signature confirming method is provided to guarantee a security and to reduce a calculation amount by using a denial protocol. CONSTITUTION: In an electronic signature confirming method, a user's device sends an open key and individual information to an individual information notarial act center(201), and an individual information center registers a user to send an open key certificate, individual discrimination information and an electronic signature to the user's device(202). The user's device sends the open key certificate, the individual discrimination information and the electronic signature to a verification device(203), and a confirmation protocol is performed between the user's device and the verification device(204). The verification device confirms whether the proposed signature is correct(205). If so, the proposed signature is received as a correct signature(206). If not, a denial protocol is performed between the user's device and the verification device(207). A consistency to the signature is confirmed, and the yes or no of the denial is tested(208).
Patent KR-20000042710-A (KR)
Title: Burning device of ladle heating and heat storage type
Inventor: JEONG KWON HUI
IPC: B22D41/01
Filed: 1998-12-26
Abstract: PURPOSE: A burning device of a ladle heating and regenerating type is provided to save energy by increasing regeneration efficiency by passing another burner through a regenerator after absorbing exhaust gas when combustion is accomplished in one burner with plural regenerators and burners. CONSTITUTION: A ladle cover including a burner(A) and a duct are supported by an oilless bearing so that a sudden ventilation is possible, and a solidification function is obtained. Combustible gas is sufficiently circulated inside a ladle by selecting a nozzle mixing type burner of a high speed division type. A 25mm-alumina ball having more than 94% of purity degree is used for the regenerator. The burner and duct uses a light ceramic insulation material strong against heat and shock, and has an excellent insulation performance. The ignition of the burner is accomplished well in the entire combustion load, and stable combustion is performed without an unstable event. A preheating temperature of combustion air reaches the lowest temperature, 530°C when the combustion gas inside the ladle is 850°C so that 50% of the discharged heat is recollected.
Patent KR-20000043609-A (KR)
Title: Optical recording medium for displaying recorded amount
Inventor: MA MYEONG GEUN
IPC: G11B7/00
Filed: 1998-12-29
Abstract: PURPOSE: An optical recording medium for displaying recorded amount is provided to easily recognize the amount of recording portion without playing back data. CONSTITUTION: A displaying portion(35) of recorded data area and a displaying scale(34) are formed between a reflect film and a protect layer, the protect layer and a print surface, the protect layer and an adhere layer, or on a dummy substrate. The displaying portion and the displaying scale are formed in a spin coating method, a silkscreen print, a printing, a sputtering, or a vacuum evaporation method. Therefore, the recorded amount and the remained amount are easily recognized. And, the disk is used and managed conveniently and efficiently.
Patent KR-20000046203-A (KR)
Title: Inter layer signalling method of atm lan switch
Inventor: KIM NAM HO
IPC: H04L12/28
Filed: 1998-12-31
Abstract: PURPOSE: An inter layer signalling method of an ATM(Asynchronous Transfer Mode) LAN switch is provided to prevent the malfunction of the ATM switch and improve the performance of the ATM switch by removing a duplicated routine for signal flows between a call-control layer, internal application layers and external terminals. CONSTITUTION: An application layer(13) carries out a LANE function to determine the connection between old LAN's in the ATM backbone network and an interconnection method of ATM service, workstation and so on. A Q.saal(15) is a recommendation layer about a telephone switching and signalling method as an ITU-T recommendation Q series ATM adaptive layer. A 93b layer(16) assigns a virtual pass identifier and a virtual channel identifier to a signal channel of the Q.saal(15). A call-control layer(17) executes the signalling for the assigned channel.
Patent KR-20000046243-A (KR)
Title: Apparatus and method for selecting transfer speed of multichannel terminal
Inventor: LEE KYONG KOOK
IPC: H04L5/00
Filed: 1998-12-31
Abstract: PURPOSE: An apparatus and a method for selecting the transfer speed of a multichannel terminal are provided to transfer the information of both voice signal and data signal of a subscriber using a terminal and a CDMA channel in the wire band CDMA WLL(Wireless Local Loop) system. CONSTITUTION: If a signal from a subscriber channel is inputted to a TDM multiplex, the TDM multiplex determines whether the inputted signal is from a data channel, a voice channel or both channels simultaneously(S10,S30). In case that the inputted signal is the voice signal from the voice channel(S20), the TDM multiplex transfers the voice signal to a CDMA modem at the transfer speed of 32 Kbps. In case that the inputted signal is the data signal from the data channel(S40), the TDM multiplex transfers a high-speed data signal of 64 Kbps to the CDMA modem. In case that the voice signal and the data signal are inputted from both channels simultaneously(S50), the voice signal at the transfer speed of 32 Kbps and the data signal converted into a 32 Kbps low-speed data are transferred to the CDMA modem(S60).
Patent KR-19990035751-A (KR)
Title: 케이블 외장 조성물
IPC: H01B9/00
Filed: 1996-07-03
Abstract: 케이블 외장 조성물 및 전력 케이블 또는 통신 케이블용 외장재로서 이들을 사용하는 방법을 발표하였다.  케이블 외장 조성물은 약 0.915 내지 0.955g/㎤의 밀도 및 약 0.1 내지 0.3g/10분의 용융 유량을 갖는 올레핀 중합체의, 바람직하게는 에틸렌 플라스틱의 다형태, 바람직하게는 이형태 혼합물이며, 상기 올레핀 중합체 혼합물은 하나 이상의 제 1 및 제 2 올레핀 중합체를 포함하며, 이 중 제 1 올레핀 중합체는 (a) 약 0.930 내지 0.975g/㎤ 및 약 50 내지 2000g/10분 및 (b) 약 0.88 내지 0.93g/㎤ 및 약 0.1 내지 0.8g/10분으로부터 선택된 밀도 및 용융 유량을 갖는다.  바람직하게는, 올레핀 중합체 혼합물은 여러 스테이지 바람직하게는, 제 1 스테이지에서 에틸렌의 중합 또는 공중합 및 제 2 스테이지에서 부텐, 4-메틸-1-펜텐, 1-헥센 또는 1-옥텐과 에틸렌의 공중합을 통한 루프 반응기/기체상 반응기 또는 기체상 반응기/기체상 반응기로 구성된 두 스테이지에서 하나 이상의 α-올레핀의 배위 촉매 중합에 의해 수득되었다.
Patent KR-20000064241-A (KR)
IPC: B22C9/08
Filed: 1997-07-09
Abstract: Couplings and other components for feeding and topping up moulds for casting metal, are made from hollow aluminium silicate micro-spheres containing less than 38 weight % aluminium, together with an agglomerant and optional non-fibrous fillers. A process for making exothermic couplings is also claimed.
Patent KR-19990063653-A (KR)
Title: 케모킨 억제제
IPC: C07K14/065
Filed: 1996-09-26
Abstract: p35로 불리우는 단백질은 케모킨으로서 알려진 복수의 화학주성 자극 시토킨에 결합한다.  p35는 염증과 같은, 케모킨에 의해 매개되는 질환을 치료하는데 이용될 수 있다.  p35는 특정 바이러스로 감염된 세포의 배양 상등액으로부터 정제되거나 또는 재조합 DNA 기술을 이용하여 형성될 수 있는 분비 단백질이다.  p35를 코딩하는 단리된 DNA 서열은 p35 DNA로 이루어진 발현 벡터 및 정제된 p35 단백질과 함께 제공된다.
Patent KR-19990064073-A (KR)
Title: 복합 사이클 엔진
IPC: F02B23/10
Filed: 1996-09-27
Abstract: 배기 가스 내 NO X 를 최소화하는 내연 엔진의 작동 방법은 저부하 또는 고부하로서 차량 엔진상의 부하를 감지하는 것을 포함한다.  저부하가 감지되는 동안 비교축된 공기와 희박 연소를 위해 제공한 연료는 압축 행정시 상사점에 이웃한 연료 분사물과 혼합된다.  고부하 상태가 감지될 때, 배기 가스의 감지된 산소 함량에 의해 통제된 연료량과 교축된 공기는 흡입 행정동안, 저부하시 분사보다 좀더 빠르게 연료를 분사하고 화학량론적 비율과 거의 일치하게 혼합된다.
Patent KR-19990071889-A (KR)
Title: 폐기 가스에 포함된 가스상 탄화수소의 처리 또는 회수 방법
IPC: B01D53/04
Filed: 1996-09-25
Abstract: 본 발명은 단탑식(單塔式) 또는 다탑식(多塔式)의 흡착제 층을 이용하여 폐기 가스에 포함된 가스상 탄화수소를 처리하는 방법에 관한 것으로서, 본 발명의 방법은 
     (1) 상기 흡착 장치로서, 흡착제 층을 냉각수에 의해 간접 냉각시키는 2중 원통 또는 다중 원통형의 흡착 장치를 사용하고, 
     (2 )상기 흡착제 층은 활성탄, 합성 제올라이트 및 소수성 실리카겔 중 1종 또는 2종 이상의 충전물이며, 
     (3) 상기 흡착제 층에 대한 흡착, 탈착의 전환 시간을 1∼15분으로 하고, 
     (4) 탈착시에, 상기 흡착제 층으로부터 배출되는 정화된 가스의 일부 및/또는 공기로 퍼지하면서 동시에 진공 배기를 병용하며, 
     (5) 상기 퍼지 배기 가스로부터 가스상 탄화수소를 회수하는 것을 특징으로 한다. 
     본 발명의 방법에 의하면, 흡착제 층의 이상 온도 상승을 억제하여 장치의 안전성을 증가시킬 수 있다.  또한, 대기 중으로 배출되는 가스 중의 잔존 탄화수소 농도를 1 부피% 이하로 할 수 있다.
Patent KR-20000064450-A (KR)
IPC: H01L25/18
Filed: 1996-12-18
Abstract: A device and method for increasing integrated circuit density comprising a pair of superimposed dies with a plurality of leads extending between the dies. The device is produced by providing a lower die which has a plurality of bond pads on a face side of the lower die. A layer of dielectric or insulative shielding is applied over the lower die face side. Leads are applied to an upper surface of the shielding layer. A plurality of lower die bond wires is attached between the lower die bond pads and an upper surface of their respective leads. A second layer of dielectric or insulative shielding is applied over the leads and the portion of the lower die bond wires extending over the lead upper surfaces. A back side of the upper die is adhered to an upper surface of the second shielding layer. A plurality of upper die bond wires are attached between a plurality of bond pads on a face side of the upper die and the upper surface of their respective leads.
Patent KR-19990087631-A (KR)
Title: 음아연전극을 갖는 알칼리 축전지
IPC: H01M50/414
Filed: 1997-02-05
Abstract: 알칼리 축전지는 전해질이 포함된 적어도 하나의 격리판(9i, 12)을 통하여 전해질과 접촉하고있는 적어도 하나의 양전극(4)과 음아연 전극(13)으로 구성된다. 상기 두 전극들을 실링프레임(8, 15)의해 지지되는 두 각각의 양극성 스크린(5, 14)에 고정되어진다. 상기 양전극(4)은 첫 번째 격리판(9i)중 적어도 하나를 통하여 부피와 조성이 미리 정해징 첫 번째 전해질과 접촉하고 있고, 상기 음전극은 적어도 하나의 두 번째 격리판(12)을 통하여 첫 번째 전해질과는 다른 미리정해진 부피과 조성을 가지는 두 번째 전해질과 접촉하고 있다. 그리고, 첫 번째와 두 번째 전해질은 아연산염과 경우에 따라서는 알루민산염 필터로 형성되는 얇은 막(10), 특히 첫번째와 두 번째 극판(11, 16)를 경계짓는 음이온 전도성의 얇은막에 의해 분리된다.
Patent KR-20000065248-A (KR)
IPC: F16K31/68
Filed: 1997-04-24
Abstract: A valve assembly includes a refrigerant inlet port and a refrigerant outlet port having a restricted opening, with the inlet port opening at least 2 times larger than the restricted outlet port opening. The valve includes components for opening and closing the inlet port in response to valve cavity pressure between the inlet and outlet ports. The larger inlet port relative to the restricted outlet port provides for rapid pressure buildup in the valve cavity when the inlet port is open which, in turn, causes rapid closing of the inlet port. The valve is capable of rapid cycling rates, highly effective for small refrigeration or cooling apparatus, as well as for controlling pressure in other applications requiring pressure regulation.
Patent KR-20000050589-A (KR)
Title: apparatus and method for auto adjusting white balance of monitor
Inventor: OH HYUN SU
IPC: H04N5/57
Filed: 1999-01-12
Abstract: PURPOSE: An apparatus for automatically adjusting white balance of a monitor and a method thereof are provided to adjust the white balance of the monitor quickly and accurately. CONSTITUTION: An apparatus for automatically adjusting white balance of a monitor includes a color analyzer(12) and a controller(13). The color analyzer(12) analyzes the image of monitor output screen and calculates the coordinates of colors. The controller(13) determines whether the color coordinates from the color analyzer are same to reference color coordinates. When they are matched the two coordinates are connected with a straight line using an initial value of the average value of final adjustment.
Patent KR-19990046250-A (KR)
Title: 앨범의제조방법및그앨범에채용되는가장자리장식테이프의제조방법
IPC: B42D1/08
Filed: 1999-01-14
Abstract: 본 발명은 앨범의 제조방법에 관한 것으로서, 다수의 하드페이퍼(11)로 된 책자의 접이부를 접이부장식테이프(20)로 접착하는 접이부장식테이프 접착단계(S3); 양측면에 접착물질이 발라진 접착부를 가지는 한쌍의 두께테이프(31)와 두께테이프(31)가 소정 간격을 유지하도록 하는 한편 두께테이프(31)의 일부면이 노출되도록 한쌍의 두께테이프(31)에 접착되는 장식테이프(36)로 구성되는 가장자리장식테이프(30)를 이용하여, 장식테이프(36)가 하드페이퍼(11)의 가장자리에서 접어지도록 두께테이프(31)의 하부면을 하드페이퍼(11)에 접착하는 가장자리장식테이프 접착단계(S4); 사진이 투과되어 보이는 투과공(41)이 형성된 겉지(40)를 두께테이프(31)의 상부면에 접착시키는 겉지 접착단계(S6); 및 겉지(40)와 하드페이퍼(11)의 모서리에 장식접착테이프(30)의 단부를 가리도록 모서리접철부(50)를 부착하는 모서리접철부 부착단계(S7);를 포함하여 된 것을 특징으로 한다. 이러한 구조의 앨범은, 제조원가를 줄일 수 있으며 사진의 변형이 없이 영구히 보관할 수 있다는 효과가 있다.
Patent KR-19990045866-A (KR)
Title: 차양
Filed: 1999-02-01
Abstract: 본 발명은 건물 외벽에 설치되어 햇빛이나 눈,비를 막아주는 차양에 관한 것으로, 차양의 길이를 자유롭게 가변시키는 한편 항시 팽팽한 긴장상태를 유지시키도록 하는 것이다. 
     이러한 본 발명은 벽면에 일정거리를 띄워 고정되는 한쌍의 고정브라켓 사이에 회전되는 감음봉을 설치하되 상기 감음봉에는 천막지의 선단을 고정시키고, 상기 고정프레임에서 전면으로 돌출되게 제 1 프레임과 제 2 프레임으로 나누어진 지지프레임을 힌지고정시키며, 상기 제 1 프레임과 제 2 프레임 사이에 각각 고정관절과 회동관절로 이루어진 관절을 설치하되 상기 회동관절은 제 1 프레임에 내장된 스프링에 의하여 당겨지게 설치하고, 제 2 프레임선단에 고정봉을 힌지 고정시키되 고정봉에는 천막지의 선단을 고정시킴으로써 이루어진다.
Patent KR-20000055439-A (KR)
Inventor: CHA DONG GEUN
IPC: B60L11/00
Filed: 1999-02-06
Abstract: PURPOSE: A generating system for electric automobiles is provided to reduce power transfer mechanisms equipped between an engine and a generator, so as to simplify the manufacture and assembly in addition to cut down the expenses. CONSTITUTION: A generating system for electric automobile includes an engine(1) equipped in a side of engine room. The said engine is connected with a big gear(3) and a small gear(5) having a fixed gear proportion for receiving the rotary power of the engine(1). The said big gear(3) includes a speed gear(7) having a structure increasing the external diameter section to retain the rotatory inertia, wherein the speed gear(7) has a rotor(13) connected with a small gear of the speed gear(7) connected to a rotor by a pivot for generating electricity according to the rotation of the small gear. The rotor(13) has a magnetic coil outside the rotor(13) for rotation.
Patent KR-20000056844-A (KR)
Inventor: LEE JONG HYUN
IPC: F25D11/02
Filed: 1999-02-26
Abstract: PURPOSE: An apparatus for controlling temperature and a method for controlling the same are provided to prevent the temperature of a cavity selected by a user from being changed by carelessness of the user or another person. CONSTITUTION: A method for controlling an apparatus for controlling temperature having a temperature control operating part(7) includes the steps of setting the target temperature of the apparatus for controlling temperature by operating a temperature controlling part, selecting a locking mode and an unlocking mode of the temperature control operating part through lock selecting element, sensing the target temperature, and controlling the change set of the temperature control operating part in the locking mode and the unlocking mode based on the sensed target temperature.
Patent KR-20000061304-A (KR)
Inventor: LEE JUNG KYONG
IPC: E02F3/88
Filed: 1999-03-25
Abstract: PURPOSE: A removing method and a removing system for bottom deposits of lakes, marshes, reservoir, dam and river using a suction pump are provided to remove the sedimentary sludge which are piled up at the bottom of lakes etc during gathering construction aggregates such as sand and gravel by using a suction pump. CONSTITUTION: A removing method for bottom deposits comprises the steps of; flowing bottom deposits in a wash water tank(100); washing the aggregate and activating the treated water(101); flowing raw water in the treated water tank(102); floating the floation sludge of treated water(103); depositing the depositing sludge and piling up(104); removing the floation sludge and piling up(105); dehydrating the floation sludge and drying(106); re-circulating the depositing sludge and the leachate(107); discharging the last treated water(108); supplying the treated water of treated water tank(109); gathering aggregate of wash water tank(110). A removing system comprises a barge, a water tank, a deposits suction device, the first and the second press floating equipment, a floating sludge removing device, a depositing sludge baffle, a floating wrench, a floating sludge piling up tank, a drying device, a transfer pump, re-circulation pipe, a drain outlet, valve, re-circulation pump, an electric generator, a tank and a tugboat.
Patent KR-20000065598-A (KR)
Inventor: YANG SEUNG GI
IPC: H01S5/30
Filed: 1999-04-07
Abstract: PURPOSE: A laser diode module and its fabrication method are provided to reduce the size of module and to simplify the structure. CONSTITUTION: A laser diode module comprises a laser diode(23) emitting laser beam, a first mounter(12) supporting the laser diode, a photo diode(25) monitoring the emitted laser beam, a second mounter(16) supporting the photo diode, and an optical fiber(24) transmitting the optical signal. To reduce the size of a laser diode module, a laser diode, a photo diode, and an optical fiber are formed on the same substrate made of a silicon wafer. The substrate has a first groove to adhere a photo diode and a second groove to fix an optical fiber. The intensity of laser beam light is adjusted by the depth of the first groove. The manufacturing method has the following steps: depositing silicon oxide over the silicon substrate and forming an opening part; forming an obstacle layer around the silicon oxide layer; etching the exposure of the substrate; removing the etching layer; and etching the removed area by removing the silicon oxide.