baber/WOPTO huggingface dataset:
Patent KR-20070038090-A (KR)
Inventor: BURTY MARC
IPC: C21C5/52
Filed: 2005-06-14
Abstract: 본 발명의 방법은 교반 가스가 용기의 바닥 (1) 을 통한 유입, 래들 또는 그 프레임에 위치된 1 이상의 센서에 의해 측정가능한 기계적 진동 수용, 하이 패스 필터 (13a), 바람직하게는 로우 패스 필터 (13b) 에 의해 진동 신호가 감지되는 필터링, 용기의 진동 응답에 따라 디지털화하고 계산하는 제 2 필터링에 산출하는 상기 진동 신호의 샘플링 및 디지털화 (15), 상기 신호의 정렬, 임시 이동 평균 제곱의 계산 (17) 에 대한 각 수열의 산출, 그리고 그 평균으로부터 측정된 진동 신호의 전체 RMS (Root Mean Square) 유효값이 추출되는 것으로 이루어지며, 유효값은 용기로 전달되는 교반 가스의 공급량을 조절하기 위해 사용된다.     상기 본 발명은 제강용 숍 래들, 전로, RH 처리, 전리 아크로 등에서 교반을 위해 사용될 수 있다.
Patent KR-20070039044-A (KR)
Inventor: UEHIRA KAZUTAKE
IPC: G08G1/0969
Filed: 2005-07-01
Abstract: 이동체의 경로 유도에 불가결한 전방 수 10m 내지 수 100m의 범위에서의 깊이 정보를, 대규모 광학계를 도입하지 않고 탑승자에게 보여주는 경로 유도 방법 및 이용 경로 유도 장치를 제공하는 것을 목적으로 한다.  이동체(100)가 구비하는 전면 유리(3)의 전방에 보이는 풍경에 중첩하도록 이미지(像)(5)(도형, 문자, 기호 포함)를 표시하는 내비게이션 시스템에 있어서, 이미지(5)의 크기를, 이동체(100)의 이동에 수반하여 시간 경과에 따라 변화시키면서 탑승자에게 보여준다. 
       
     내비게이션, 경로 지시 도형, 표시 위치, 지표 화상, 운동 시차, GPS, 투광성, 자동차, 도상, 광학계, 속도 정보
Patent KR-20070088473-A (KR)
Title: Handrail device of elevator car
Inventor: SHINDO KAZUYA
IPC: B66B11/02
Filed: 2005-09-16
Abstract: A car upper side handrail device of an elevator capable of eliminating those operations performed by an elevator service person with a stoop to prevent the handrail device from being turned over when the elevator service person performs assembling and storing operations for the handrail device, easily assemblable and storable, and manufacturable at low cost. An upper stage pin and a lower stage pin disposed on the upper and lower sides in an assembled state are mounted at the lower end part of each of the vertical column of the handrail device. A guide part engaged with one of the upper stage pin and the lower stage pin and guiding the vertical column by a predetermined distance in the vertical direction and a constraining part constraining the rotation of the vertical column when the handrail device is brought in an assembled state by the engagement of the other of the upper stage pin and the lower stage pin thereto from the upper side are installed at a connection part connecting the lower end part of the vertical column to the upper part of a car so that the vertical column can be rotated.
Patent KR-20070032819-A (KR)
Title: 유기 박막 형성 방법, 유기 박막 형성용 보조제 및 유기박막 형성용 용액
IPC: C03C17/28
Filed: 2005-07-21
Abstract: 적어도 1 이상의 가수분해성기를 갖는 금속계 계면 활성제 (1) 와, 유기 용매 중, 상기 금속계 계면 활성제 (1) 와 상호 작용할 수 있는 화합물로부터 얻어지는 유기 박막 형성용 보조제와, 적어도 1 이상의 가수분해성기를 갖는 금속계 계면 활성제 (2) 를 혼합하여 얻어지는 유기 박막 형성용 용액을 기판과 접촉시키는 공정에 의해, 상기 기판 표면에 유기 박막을 형성하는 유기 박막 형성 방법으로서, 수분 함량이 소정량 범위내가 되도록 조정되어 있거나 또는 유지되어 있는 것을 특징으로 하는 유기 박막 형성 방법, 또 적어도 1 이상의 가수분해성기를 갖는 금속계 계면 활성제와 상기 계면 활성제와 상호 작용할 수 있는 촉매를 혼합하여 얻어지는 유기 용매 용액을 기판과 접촉시킴으로써, 상기 기판 표면에 유기 박막을 형성하는 유기 박막 형성 방법으로서, 상기 유기 용매 용액이 수분을 소정량 함유하는 것이며, 또한 상기 금속계 계면 활성제의 가수분해 생성물인 수산기 함유 화합물을 20∼2000ppm 함유하는 것을 특징으로 하는 유기 박막 형성 방법, 이 방법에 이용하는 유기 박막 형성용 보조제 및 유기 박막 형성용 용액. 
       
     유기 박막, 계면활성제
Patent KR-20070051872-A (KR)
Inventor: MORII TOSHIYUKI
IPC: G10L19/16
Filed: 2005-09-01
Abstract: 고성능의 스케러블 코덱을 실현할 수 있는 부호화 장치.  이 부호화 장치에서는, LPC 분석부(551)는, 입력 음성(301)에 대해서 코어 복호기(305)로부터 얻어지는 합성 LPC 파라미터를 이용하여 효율이 좋은 양자화를 행하고 복호화 LPC 계수를 얻는다.  적응 코드북(552)에는, 코어 복호기(305)로부터 얻어지는 적응 코드북의 음원 부호가 격납된다.  적응 코드북(552)과 확률적 코드북(553)은 음원 샘플을 게인 조정부(554)에 보낸다.  게인 조정부(554)는, 각각의 음원 샘플에 코어 복호기(305)로부터 얻어지는 게인 파라미터에 기초하는 앰프를 곱한 후 가산하여 음원 벡터를 얻고, 그리고 그것을 LPC 합성부(555)에 보낸다.  LPC 합성부(555)는, 게인 조정부(554)로 얻어진 음원 벡터에 대해서 LPC 파라미터를 이용한 필터링을 행하고, 합성음을 얻는다.
Patent KR-20070065314-A (KR)
Title: Device and method for reconstructing a multichannel audio signal and for generating a parameter data record therefor
Inventor: SPERSCHNEIDER RALPH
IPC: G10L19/008
Filed: 2005-08-10
Abstract: In order to carry out a flexible signaling of a synchronous mode or of an asynchronous mode during multichannel parameter reconstruction, a parameter configuration instruction is inserted into the data flow and is used by a configuration device on the part of a multichannel decoder for configuring a multichannel reconstruction device. If the parameter configuration instruction has a first meaning, the configuration device searches within its input data for additional items of configuration information whereas, when the parameter configuration instruction has another meaning, the configuration device, based on items of information concerning an encoding algorithm with which transmission channel data have been encoded, carry out a configuration setting of the multichannel reconstruction device whereby efficiently and flexibly ensuring that a correct allocation between parameter data and decoded transmission channel data is always maintained.
Patent KR-20070041785-A (KR)
Inventor: SUZUKI KENJI
IPC: C08L79/00
Filed: 2005-02-28
Abstract: 본 발명의 목적은, 음극 집전체와의 접착성 및 전해액에 대한 내팽윤성이 우수하고, 또한, 전극의 유연성ㆍ가요성이 양호한 바인더 수지 조성물을 제공하는 것. 또한, 상기의 바인더 수지 조성물을 이용하는 것에 의해, 고용량이고, 또한, 충방전 사이클에 있어서의 용량저하가 작은 비수전해액계 에너지 디바이스의 전극 및 비수전해액계 에너지 디바이스를 제공하는 것에 있다. 
     니트릴기 함유 단량체 유래의 반복단위와, 식(I) 
     
       
     
     (식중, R 1 은 H 또는 CH 3 , R 2 는 H 또는 1가의 탄화수소기, n은 1~50의 정수이이다) 
     로 표시되는 단량체 유래의 반복단위 및/또는 식(II) 
     
       
     
     (식중, R 3 은 H 또는 CH 3 , R 4 는 수소 또는 탄소수 4~100의 알킬기이다) 
     로 표시되는 단량체 유래의 반복단위와, 임의의 카르복실기 함유 단량체 유래의 반복단위를 포함하는 공중합체를 함유하는, 비수전해액계 에너지 디바이스 전극용 바인더 수지 조성물을 제공한다.
Patent KR-20070046925-A (KR)
Inventor: ISHIZU HIDEO
IPC: H02M7/5387
Filed: 2005-08-12
Abstract: 온도응답성이 뛰어나고, 전원변동 또는 부하변동에 대한 안정도도 양호하며 사용하기에 편리한 공급전력 조절장치를 얻을 수 있다. 
     교류전원(1)으로부터 히터(7)에 전력을 공급하는 공급전력 조절장치에 있어서, 교류전원(1)으로부터 공급되는 교류를 직류로 정류하는 정류회로(10)와, 정류회로(10)에서 정류된 직류를 제어신호에 따라 교류전력으로 변환하여 히터(7)에 공급하는 고속 스위칭 전력제어용 반도체 인버터와, 히터(7)의 온도변동을 검출하는 온도변동 검출회로(24)와, 정류회로(10)의 전력변동을 검출하는 전원변동 검출회로(22)와, 히터(7)에 공급되는 교류전력의 변동을 검출하는 부하변동 검출회로(23)와, 온도변동 검출회로(24), 전원변동 검출회로(22) 및 부하변동 검출회로(23)의 검출결과로부터 히터(7)에 공급해야 할 전력량을 연산하고, 그 연산결과에 따라 전력제어용 반도체 인버터에 인가하는 제어신호의 주파수 또는 듀티비를 제어하는 전력제어신호 발생회로(15)를 포함한다. 
       
     정류회로, 반도체 인버터, 히터, 검출회로
Patent KR-20070083692-A (KR)
Title: Optical sensor for detecting moisture on a window of a motor vehicle
Inventor: WOLF FRANK
IPC: B60S1/08
Filed: 2005-09-20
Abstract: The aim of the invention is to be able to detect also condensate, for example, on the interior face (7) of a window (5) by means of motor vehicle rain sensors which utilize the interference of the total reflection of light (1) irradiated by a transmitter on a boundary surface (window) covered with moisture (10). Said aim is achieved by several sensors which are provided with a variable design and function such that the same can selectively include interior/exterior detection while being able to distinguish well between outside moisture and inside moisture without having to take complex adaptive steps.
Patent KR-20070055603-A (KR)
Inventor: IKEDA TARO
IPC: H01L21/3205
Filed: 2005-10-18
Abstract: 본 발명은 반도체 웨이퍼 등의 피처리체의 상면과, 이 상면에 개구된 오목부의 표면에 대해, 플라즈마 스퍼터링 기법에 의해 금속의 박막을 형성하기 위한 기술에 관한 것이다.  본 발명의 성막방법은 처리용기내에서 방전가스의 플라즈마에 의해 금속타겟을 스퍼터하여 금속이온을 발생시킴과 동시에, 피처리체의 상면에 있어서 금속이온의 인입에 의한 금속막의 퇴적과 방전가스의 플라즈마에 의한 스퍼터 에칭이 동시에 생기도록 바이어스 전력을 탑재대에 가하는 것에 의해 오목부의 측벽에 금속막을 형성하는 성막공정임을 특징으로 한다.
Patent KR-20070064640-A (KR)
Title: Battery separator with z-direction stability
Inventor: ZHANG ZHENGMING
IPC: H01M2/16
Filed: 2005-10-18
Abstract: A method for preventing or reducing sudden thermal runaway in a battery is disclosed. In this method, a thermoplastic microporous membrane having inert, thermally non-deforming particulate dispersed therein is placed between the electrodes of the battery. Thus, for example, when an external force is applied to the battery, physical contact of the electrodes is prevented by the particulate-filled separator.
Patent KR-20070087579-A (KR)
Title: Support for embroidery film
Inventor: SURGET SEKIP
IPC: D05C9/04
Filed: 2005-09-01
Abstract: The invention relates to a support for a support material for embroidering, whereby the support comprises at least one window-like opening (2, 2', 2'', 2'''), for the passage of an embroidery needle, whereby the at least one opening is covered by the support material (6) for embroidering.
Patent KR-20070094739-A (KR)
Title: Thermoplastic resin composition and molded body
Inventor: HAYATA YUSUKE
IPC: C08L101/16
Filed: 2005-12-02
Abstract: Disclosed is a thermoplastic resin composition having high impact resistance at low temperatures. Also disclosed is a molded body with good appearance which is obtained by using such a thermoplastic resin composition. Specifically disclosed is a thermoplastic resin composition containing 0.5-20 parts by mass of a rubbery elastic body (B) per 100 parts by mass of a resin mixture (A) which is composed of 45-97% by mass of a polycarbonate resin (a-1) and 55-3% by mass of a fatty acid polyester (a-2). In this thermoplastic resin composition, the component (B) is dispersed in the component (a-1).
Patent KR-20070068487-A (KR)
Title: Process for producing diphenyl sulfone compound
Inventor: KATSUURA KIYOSHI
IPC: C07C315/04
Filed: 2002-01-22
Abstract: A process by which a high-purity 4,4'- dihydroxydiphenyl sulfone monoether can be industrially advantageously obtained. The process, which is for producing a compound represented by the formula (I) (I) (wherein R1 and R2 each independently represents halogeno, C1-8 alkyl, or C2-8 alkenyl; m and n each independently is an integer of 0 to 4; and R 3represents C1-8 alkyl, C2-8 alkenyl, C3-8 cycloalkyl, or optionally substituted aralkyl), comprises (1) conducting pH adjustment two or more times in a purification step, (2) removing the alkyl halide used in excess, (3) using a solvent, e.g., water, having an iron content of 0.05 ppm or lower, (4) using a vessel coated inside with a corrosion-resistant layer, (6) adding a chelating agent, and (7) using a means for drying with mechanical stirring.
Patent KR-20070089971-A (KR)
Title: An austenitic steel and a steel product
Inventor: LOUCIF HACHEMI
IPC: C22C/
Filed: 2005-12-28
Abstract: High-alloy austenitic stainless steels that are extra resistant to pitting and crevice corrosion in aggressive, chloride-containing solutions have a tendency for macro-segregation of Mo, at solidification of the melt. This problem is solved by an super austenite stainless steel having the following composition, in % by weight: max 0.03 C max 0.5 Si max 6 Mn 28-30 Cr 21-24 Ni 4-6 % (Mo + W/2), the content of W being max 0.7 0.5-1.1 N max 1.0 Cu balance iron and impurities at normal contents originating from the production of the steel.
Patent KR-20070086836-A (KR)
Title: Hot rolled wire material excellent in cold forging property after spheroidizing treatment, spheroidizing-annealed steel wire having excellent cold forging property, and method for production thereof
Inventor: ISO ARATA
IPC: C22C38/00
Filed: 2006-02-14
Abstract: A hot rolled wire material which comprises 0.005 to 0.6 mass % of C, and has a structure wherein pseudo-pearlite, bainite and ferrite account for 10 vol % or more, 75 vol % or less and 60 vol % or less, respectively, and the relationship that the sum of (pseudo-pearlite + bainite + ferrite) >= 90 vol % is satisfied. A method for producing the above hot rolled wire material which comprises rolling a specific steel, followed by winding up at 750 to 10000C, cooling the steel from an upper limit temperature of 750 to 10000C to a lower limit temperature of 400 to 5500C at a cooling rate of 200C/sec or higher, holding the steel for 20 sec or longer at 400 to 5500C, and then cooling the steel. A steel wire comprises 0.005 to 0.6 mass % of C, and has a structure wherein the distances between cementite particles have a value of (standard deviation/average) of 0.50 or less. A method for producing the steel wire includes subjecting the above hot rolled wire material to spheroidizing annealing.
Patent KR-20070086960-A (KR)
Title: Method and device for treating outer periphery of base material
Inventor: NOGAMI MITSUHIDE
IPC: H01L21/306
Filed: 2005-07-08
Abstract: A method and a device for treating the outer periphery of a base material capable of avoiding damage to the center part of the base material in a treatment for removing an unnecessary membrane from the outer peripheral part of the base material. A refrigerant chamber (41) as an endothermic means is formed in a stage (10), and a refrigerant such as water is filled therein. A wafer (90) is supported on the support surface (10a) of the stage (10). While the outer peripheral part of the wafer (90) is heated by a heater (20), a reactive gas for removing the unnecessary membrane is supplied from a reactive gas outlet (30b) to the heated portion of the wafer. On the other hand, a heat in the portion of the wafer (90) on the inner side of the outer peripheral part is absorbed by the endothermic means.
Patent KR-20070098860-A (KR)
Title: Method of detecting rf power delivered to a load and complex impedance of the load
Inventor: BHUTTA IMRAN AHMED
IPC: H05H1/24
Filed: 2006-01-11
Abstract: Methods and systems of detecting one or more characteristics of a load are disclosed. One or more characteristics of a first signal may be detected at the output of a radio frequency (RF) power generator. The first signal may have a fundamental frequency. The one or more characteristics of the first signal may be sampled at a sampling frequency to produce a digital sampled signal. The sampling frequency may be determined based on a function of the fundamental frequency of the first signal. One or more characteristics of a load in communication with the RF power generator may then be determined from the digital sampled signal.
Patent KR-20070093004-A (KR)
Title: Device for connecting two elements
Inventor: CHAUPIN JEROME
IPC: F16L37/00
Filed: 2006-03-02
Abstract: The invention relates to a connection device (10) comprising: a socket end (12), a spigot end (11) which is intended to be inserted into the socket end (12) and a locking member (18) which is intended to hold the spigot end (11) in the socket end (12) once they have been connected. The locking member (18) is shaped in the form of a staple comprising a head with two side arms. The spigot end (11) comprises an actuating cone which is used to lift the locking member (18) and to position the spigot end (11) between the arms of the locking member (18). The locking member (18) preferably comprises a deformable tongue on each side arm. The deformable tongues form elastic return means which return the locking member (18) to the locked position and block the spigot end (11) in the socket end (1) in the end-of-insertion position.
Patent KR-20070119017-A (KR)
Title: Multi-plane optical apparatus
Inventor: NIVON UZIA
IPC: G02B5/18
Filed: 2006-03-16
Abstract: An optical apparatus for transmitting light having a spectrum of wavelengths is disclosed. The apparatus comprises a plurality of optical devices design and constructed to decompose by diffraction the light into a plurality of portions, respectively corresponding to different sub-spectra of the spectrum, such that each portion of the light is transmitted within a different optical device.
Patent KR-20070100428-A (KR)
Title: Printed wiring board and circuit device using the same
Inventor: KATAOKA TATSUO
IPC: H05K3/02
Filed: 2004-12-02
Abstract: [MEANS FOR SOLVING PROBLEMS] A method of manufacturing a printed wiring board is characterized in that a base metal layer is formed by depositing a base metal on at least one surface of an insulating film, a conductive metal layer is formed by depositing copper or a copper alloy, a surface metal layer formed through the above step is removed selectively by etching so as to form a wiring pattern, and the metal forming the base metal layer is treated with a treating liquid capable of dissolving/immobilizing the metal forming the base metal layer. A printed wiring board is characterized in that it comprises an insulating film and a wiring pattern formed on at least one surface of the insulating film, the wiring pattern comprises a base metal layer deposited on a surface of the insulating film and a conductive metal layer, the base metal layer constituting the wiring pattern is protruded widthwise more than the conductive metal layer constituting the wiring pattern. [EFFECT] Most of the metal forming the base metal layer is removed while the slight remaining metal is immobilized. Thus migration significantly hardly occurs and a highly reliable printed wiring board can be obtained.
Patent KR-20070116949-A (KR)
Title: Plasma display driving method and apparatus
Inventor: TAKAGI AKIHIRO
IPC: G09G3/296
Filed: 2005-06-20
Abstract: A plasma display driving method and apparatus that can reduce the occurrences of dropout, on a displayed image, caused by misaddress when the environment temperature becomes low. In the inventive plasma display, the environment temperature is determined, and during a charge adjustment interval, the ultimate voltage, which the drive waveform of a scan electrode voltage reaches at the end after continuously varying in the negative direction, is changed in accordance with the determined environment temperature in such a manner that if the environment temperature becomes lower, the ultimate voltage is directed in the positive direction.
Patent KR-20070118694-A (KR)
Title: Gravure cylinder-use copper plating method and device
Inventor: INOUE MANABU
IPC: C25D17/00
Filed: 2006-05-23
Abstract: Gravure cylinder-use copper plating method and device which can perform a uniform-thickness copper plating on a gravure cylinder over its entire length without causing defects such as rashes and pits regardless of the size of a gravure cylinder, can automatically control the concentration of copper plating solution, reduce the consumption of an additive, enable a short-time plating treatment, reduce power supply costs, and are easy to handle with good visibility. A hollow cylindrical gravure cylinder is gripped at the opposite longitudinal-direction ends, is placed in a plating tank filled with copper plating solution, and is energized so as to function as a cathode while rotated at a specified speed; a pair of long-box anode chambers that are vertically suspended slidably on the opposite sides of the gravure cylinder in the plating tank and incorporate insoluble anodes so energized as to function as anodes are allowed to come close to the opposite side surfaces of the gravure cylinder with specified intervals; and the outer peripheral surface of the gravure cylinder is copper plated.
Patent KR-20080027271-A (KR)
Title: Dual anchor spinal implant apparatus
Inventor: GOURNAY JOSE
IPC: A61B17/70
Filed: 2006-05-23
Abstract: Embodiments of devices for connecting a spinal rod (13) to a vertebra or to two vertebrae are disclosed. In one embodiment, there is provided a first hook (1) having a threaded protrusion (3) for fitting a connector (11) in which the spinal rod is inserted, a second hook (5), a rod (6) for connecting the two hooks, and structure for immobilizing the ends of the hook-connecting rod on the heads of the hooks. The end (40) of the hook-connecting rod in contact with the first hook may have an oblong aperture (10), and the structure for immobilizing this end on the head (2) of the first hook may include a nut (15) intended to cooperate with the connector. Also disclosed are embodiments of a spinal osteosynthesis system including such devices. ® KIPO & WIPO 2008
Patent KR-20090074287-A (KR)
Title: Semiconductor device having coupling elimination circuit
Inventor: LEE CHANG SOO
IPC: G11C29/00
Filed: 2008-01-02
Abstract: A semiconductor device is provided to improve the operating dependability by maintaining the ground level in the open of fail normal word line enable signal line. A semiconductor device comprises the first driving part and the second driver part. In case the signal line is repaired by the spare signal line, the first driving part maintains the signal line to the first voltage level. The first driving part comprises a driver circuit(100) and an inverter driver(210). The second driver part operates a part of the signal line to the first voltage level in the open of the signal line. The second driver part comprises a line join fuse(240), a transistor(250) and a master fuse(110). The signal line is the column select line or the normal word line enable signal line. The first voltage level is the ground voltage level.
Patent KR-20090076462-A (KR)
Inventor: KANG HYO DONG
IPC: H04B1/38
Filed: 2008-01-07
Abstract: A transmitter ejecting device of a slide-type mobile phone is provided to realize simple portability, and to have a convenient-to-use structure and a simple configuration, thereby tremendously reducing a manufacturing cost. A groove is formed on a body(1), so that a circular gear(4) is rotatively fixed. A parallel gear(5) is formed on an open slide(2) contacting with the circular gear at a central shaft. When a slider is opened, the open slide moves to an upper side from the body to rotate the circular gear, and a slider gear(6) of a correspondent transmitter is pushed to a lower side. The circular gear and the parallel gear are engaged together to connect with the slider gear. A microphone is equipped on a front side of a transmitter slider.
Patent KR-20090078874-A (KR)
Title: Electro-hydraulic brake system and method for monitoring air of hydraulic pressure line in electro-hydraulic brake system
Inventor: KIM SANG MOOK
IPC: B60T8/88
Filed: 2008-01-16
Abstract: An electro-hydraulic braking system and an air detection method for a hydraulic cline of the same are provided to sense where air exists in a hydraulic line effectively using the pressure of a master cylinder and the stroke distance of a pedal, and to inform a driver of danger effectively by warning a driver visually or audibly if air is detected in a hydraulic line. An electro-hydraulic braking system(100) comprises a pedal stroke sensor(110) measuring the stroke distance of a pedal, a master pressure sensor(130) measuring the pressure of a master cylinder(120), a wheel pressure sensor(150) measuring the pressure of a wheel cylinder(140), many inlet valves(160) and outlet valves(170), and a controller sensing air existing in a hydraulic line in due consideration of a difference between the stroke distance of the pedal when the pedal is pushed and the stroke distance of the pedal when the pedal is released, or, a different between the pressure of the master cylinder when the pedal is pushed and the pressure of the master cylinder when the pedal is released.
Patent KR-20080067978-A (KR)
Title: Cold cathode fluorescent lamp and method of manufacturing electrode
Inventor: SUGIMURA TOSHIKAZU
IPC: H01J61/06
Filed: 2008-01-16
Abstract: A cold cathode fluorescent lamp and an electrode manufacturing method are provided to extend a lifetime of the CCFL(Cold Cathode Fluorescent Lamp) by improving an initial electron emission performance of an electrode. A cold cathode fluorescent lamp(1) includes a glass tube(2), a tube-type electrode(7), and a lead wire(9). The glass tube includes a fluorescent layer formed on an inner wall thereof. Rare gas is filled in an inner space of the glass tube. The tube-type electrode is arranged inside the inner space of the glass tube. The lead wire includes first and second end portions. The first end portion is adjoined with a bottom outer surface of the electrode. The second end portion penetrates a sealing glass and is elongated outside the glass tube. The electrode is made of a nickel group metal material, to which at least one of yttrium and yttrium oxide is dispersed. The bottom outer surface has a flat surface. A bottom inner surface, which is opposite to the bottom external surface, has a curved shape.