baber/WOPTO huggingface dataset:
Patent KR-20010059711-A (KR)
Inventor: KWON HYEOK YEOL
IPC: B60J10/02
Filed: 1999-12-30
Abstract: PURPOSE: A weather strip prevents the thrusting phenomenon thereof on ascending of a glass. CONSTITUTION: An upper rib(22) is formed on the middle of the weatherstrip almost parallel with the ascending direction of a glass. A lower rib(24) is integrally extended from the upper rib(22) and is V-shaped downward. A first supporter(26) bent to be V-shaped is formed on one side of the upper rib(22). A second supporter(28) with a rectangular sectional area is formed on the crossing part between the upper rib(22) and the lower rib(24). The supporters(26, 28) support compressing force given when the glass ascends.
Patent KR-20000036125-A (KR)
Title: Conference calling system and method for a wireless communications channel
Inventor: KIMBALL ROBERT H
IPC: H04W88/02
Filed: 1997-09-11
Abstract: PURPOSE: A conference calling system for a wireless communications channel is provided to preserve the quality of the received signal by retransmitting the speaker's signal without de-vocoding. CONSTITUTION: A conference calling system for a wireless communications channel is adapted for use with a channel having first, second and third participants communicating via first (34), second (20) and third (20) transmitters and receivers respectively. The system includes a circuit for receiving an encoded signal (144) from at least one of the transmitters. A second circuit determines (62) which of the participants is speaking from the received encoded signal. A third circuit is provided for re-transmitting (66) an encoded signal received from the speaking participant to the other participants. The encoded signals are variable rate speech vocoded signals in which speech is vocoded at full rate, silence is vocoded at 1/8th rate and the 1/2 and 1/4 rates are used as transitional rates. The speaker's signal is identified by examining the rate of the receiving vocoded signals. When the speaker's vocoded signal is identified, it is re-transmitted without de-vocoding to the non-speaking participants in the conference call.
Patent KR-20000048505-A (KR)
Title: Blast resistant and blast directing container assemblies
Inventor: PALLEY IGOR
IPC: F42B39/14
Filed: 1997-04-11
Abstract: PURPOSE: Blast resistant and blast directing container assemblies are provided to receive explosive articles and prevent or minimize damage in the event of an explosion. CONSTITUTION: A blast resistant container assembly for receiving an explosive comprises a container of blast resistant material being collapsible for storage when empty, and blast mitigating material(14) located within the container. The container assembly comprises a plurality of faces, each face connected to another face at least one common edge with a fibrous material, the fibrous material functioning as a hinge between the faces. The blast mitigating material is selected from the group consisting of polymeric foams, particulates, condensable gases, heat sink materials, foamed glass, microballoons, balloons, bladders, hollow spheres, wicking fibers, and combinations thereof. And the material comprises an aqueous foam.
Patent KR-20000069830-A (KR)
Title: 프리젠테이션을 코딩하기 위한 방법
IPC: H04N5/46
Filed: 1998-10-19
Abstract: 코딩된 프리젠테이션(302)은 다수의 보조 프리젠테이션(304, 306)을 포함하고, 각 보조 프리젠테이션은 다수의 프리젠테이션들(308-312, 314-317)을 포함한다.  프리젠테이션 요소는 나타나게 되는 기본적인 부분이 있으며, 문자, 오디오, 비디오 또는 영상을 포함한다.  보조 프리젠테이션(304)은 상기 보조 프리젠테이션 내의 프리젠테이션 요소들(308-312)에 대한 기준을 공급한다.  상기 기준은 타이밍측면과, 플레이 아웃중 관련된 위치 측면 및 보조 프리젠테이션이 플레이 아웃되는 가의 여부에 관한 우선 순위에 관련될 수 있다.
Patent KR-20000075667-A (KR)
Title: 다이아몬드 단면을 가진 산업용 섬유 및 그로부터 제조된 생성물
IPC: D03D15/00
Filed: 1998-02-25
Abstract: 본 발명은 산업용 섬유 및 그로부터 제조된 생성물에 관한 것이며, 더욱 상세하게는 산업용 폴리에스테르 섬유 및 그로부터 제조된 생성물에 관한 것이다.  그 섬유는 약 24 내지 약 42의 상대 점도, 약 4 내지 약 8의 데니어, 약 6.5 g/데니어 내지 약 9.2 g/데니어의 비강도, 및 필라멘트의 종축에 대해 수직인 연장된 다이아몬드형의, 약 2 내지 약 6의 종횡비를 갖는 단면을 갖는 합성 용융 방사 중합체를 포함한다.
Patent KR-20010005866-A (KR)
Title: Solid compositions suitable for oral administration comprising L-carnitine and alkanoyl-L-carnitine magnesium tartrate
IPC: A23K1/16
Filed: 1998-03-19
Abstract: PCT No. PCT/IT98/00059 Sec. 371 Date Sep. 24, 1999 Sec. 102(e) Date Sep. 24, 1999 PCT Filed Mar. 19, 1998 PCT Pub. No. WO98/45250 PCT Pub. Date Oct. 15, 1998Stable and nonhygroscopic salts consisting of L-carnitine magnesium tartrate or lower alkanoyl-L-carnitine magnesium tartrate are disclosed that are suitable for preparing solid compositions useful as dietary or nutritional supplements for human use and as a fodder supplement for veterinary purposes.
Patent KR-20010005927-A (KR)
IPC: H01R24/46
Filed: 1998-03-23
Abstract: A switching coaxial jack module includes two centre conductors contained within a housing. The centre conductors include front and rear portions which are axially movable relative to one another between connect and disconnect positions. In the connect position, the front portions are electrically connected to the rear portions. In the disconnect position, the front portions are electrically disconnected from the rear portions. A switch mechanism is contained within the interior to electrically connect the rear portions when both of the front portions are in the disconnect position and to electrically disconnect the rear portions when at least one of the front portions is in the connect position. <IMAGE>
Patent KR-20010020399-A (KR)
Title: 전하 제어형 래스터 보정 회로
IPC: H04N3/223
Filed: 1998-04-10
Abstract: 이스트-웨스트 스위칭 트랜지스터(Q1)는 플라이백 트랜스 1차 권선(W1)과 수평 편향 출력 트랜지스터 회로(250) 사이에 결합되어 귀선 에너지를 제어함으로써 이스트-웨스트 핀쿠션 래스터 보정에 요구되는 편향 전류 크기의 이스트-웨스트 조정을 하게 된다. 용량성 전압 분주기를 형성하는 한 쌍의 직력 결합된 제1 커패시터(C4)와 제2 커패시터(C6, C7)는 샘플링 스위치(D8)를 통하여 상기 편향 권선(L H )을 포함한 귀선 공진 회로(100)에 결합되어 귀선 구간의 처음 반 구간 동안 귀선 펄스 전압 (V2) 부분으로부터 상기 제1 커패시터에 제1 램핑 커패시터 전압을 발생시킨다. 상기 제1 커패시터는 이스트-웨스트 핀쿠션 래스터 보정 전류원(301)에 결합되어 상기 제1 커패시터에 반대 방향으로 램핑하는 제2 램핑 커패시터 전압을 발생시킨다. 비교기(Q4, Q5)는 상기 커패시터 전압에 응답하여 상기 이스트-웨스트 스위칭 트랜지스터의 전도 구간을 제어한다.
Patent KR-20010014201-A (KR)
Inventor: FITZGERALD EUGENE A
IPC: H01L21/20
Filed: 1998-06-23
Abstract: A semiconductor structure including a semiconductor substrate (302), at least one first crystalline epitaxial layer (304) on the substrate, the first layer having a surface which is planarized, and at least one second crystalline epitaxial layer (306) on the at least one first layer. In another embodiment of the invention there is provided a semiconductor structure including a silicon substrate, and a GeSi (306, 308) graded region grown on the silicon substrate, compressive strain being incorporated in the graded region to offset the tensile strain that is incorporated during thermal processing. In yet another embodiment of the invention there is provided a semiconductor structure including a semiconductor substrate, a first layer having a graded region (304) grown on the substrate, compressive strain being incorporated in the graded region to offset the tensile strain that is incorporated during thermal processing, the first layer (304) having a surface which is planarized, and a second layer (306, 308) provided on the first layer.
Patent KR-20010068887-A (KR)
Title: an alarm automatic vending machine.
Inventor: SON YOUNG SUK
IPC: G07F11/00
Filed: 2000-01-10
Abstract: PURPOSE: An alarm vending machine for conveniently providing various kinds of alarm to consumers at a site adjacent to one's residence in order to meet various tastes of consumers. CONSTITUTION: When a consumer pushes a selection button, a withdrawing means (18) is rotated so that a plate (22) installed movably at the lower part of an alarm receiving chamber (26) for preventing discharge of the alarm is opened. Right after discharging the alarm corresponding to cash input, a solenoid valve (21) regulates an interrupter (24) to exactly control the number of alarm to be vented. In the case that the bottom side of a casing (25) is closed with upwardly drawing the plate (22), the solenoid valve operated by electric force draws the interrupter so that the alarm is placed between the interrupter (24) and the plate (22) for the next vent.
Patent KR-20010069086-A (KR)
Title: Synchrotron X-ray small-angle scattering apparatus
Inventor: CHO GIL WON
IPC: G01N23/00
Filed: 2000-01-12
Abstract: PURPOSE: A small-angle scattering measuring device for radiate light is provided to increase the precision of experiments by integrally controlling all parts relating to the measurement and measuring data required for analyzing scattering data by a main control part, and conveniently carry out the small-angle scattering experiments required for analyzing the structure of a high molecule. CONSTITUTION: A small-angle scattering measuring method for radiate light includes a beam line(100), through which input radiate light passes and is scattered by the reaction with a predetermined sample for analyze the structure of the sample, for outputting a signal indicating the scattering, a beam line control part(110) for controlling predetermined parts of the beam line to control the radiate light passing through the beam line, a signal detection part(120) for detecting a signal of the scattered radiate light which passes the beam line, and a main control part(130) for communicating with the beam line control part and storing and displaying the signals received from the signal detection part.
Patent KR-20010014487-A (KR)
Inventor: SCHLAGEL MARK E
IPC: B08B11/02
Filed: 2000-02-17
Abstract: PURPOSE: A method for washing or hydrating ophthalmic devices and an apparatus thereof are provided to subject as many lenses as possible to hydration in the most efficient manner using the least water possible by arraying the apparatus in such a manner that fluid for hydrating or washing flows from a high degree washing ophthalmic device toward a low degree washing ophthalmic device. CONSTITUTION: The fluid is directed to and flows generally downwardly from a passage(21) and/or a passage(32) into a cavity(29). A central orifice of a top chamber insert(38) is in register with the lens(24) in the cavity of each lower tray in the vertical column of trays. Accordingly, the fluid flows onto, over, and around the lens, over a front curve mold(22), through one or more openings in the top chamber insert of the tray above, through flow passage, across a filter screen(36) through a central portion(28) of the cavity and to and through the top chamber insert of each cavity. As a result, the ophthalmic devices perpendicularly stacked on the columns can be hydrated and washed by the same fluid.
Patent KR-20010082829-A (KR)
Title: Method for Fabricating Thin Film Transistor And Method for Fabricating Liquid Crystal Display Device Using the same
Inventor: HWANG GWANG JO
IPC: H01L29/786
Filed: 2000-02-21
Abstract: PURPOSE: A method of fabricating a thin film transistor and a method of fabricating an LCD(liquid crystal display) using the same are to minimize a failure rate and simplify the fabricating method using a single metal layer as a gate electrode. CONSTITUTION: A buffer insulating film(42) is formed on a transparent substrate(40). An active layer(44) is formed on the buffer insulating film. A gate insulating layer(46) and a gate electrode(48) formed of a signal metal layer are formed on the active layer in order. An interlayer dielectric is formed on the buffer insulating layer and then dry-etched to form a contact hole. A source and drain electrode is formed to be electrically connected through the contact hole to the active layer. A depletion layer of the active layer, which is formed by the dry-etching process, is removed. After forming the source and drain electrode, the source and drain electrode is annealed to activate impurity of the active layer.
Patent KR-20010091704-A (KR)
Title: Alliance girder and construction method thereof
Inventor: KIM GWANG SU
IPC: E04C3/20
Filed: 2000-03-17
Abstract: PURPOSE: A composite girder is provided to mechanize the construction of a girder member by installing a large-sized girder formed with precast concrete in a building requiring a large framed structure and a building necessary for reducing a period of construction maximally and to reduce a period of construction with effective construction and the required costs as well as manpower. CONSTITUTION: A construction method of a girder using a composite girder(10) comprises the steps of: transferring a sectional girder(11) manufactured in a precast concrete member manufacturing factory; fitting the sectional girder transferred to a job site to adhere closely mutually; forming a composite girder by compressing many sectional girders adhered mutually to be adhered maximally and fitting with a jointing instrument; and tensioning the composite girder by a tension and installing in a construction site.
Patent KR-20010091779-A (KR)
Title: System and method for providing the direct target research/advertisement
Inventor: PARK KWANG SOO
Filed: 2000-03-18
Abstract: PURPOSE: A direct target researches and advertisements method and system are provided to maximize the ratio of participation in an advertisement/research by offering a client a result report for a targeting-requested advertisement/research and paying a stipulated incentive to advertisement/research participants. CONSTITUTION: The system for providing direct target researches and advertisements is provided with a network(10), a targeting analysis server computer(11), advertiser server computers(12,13), research server computers(14,15), and a client computer(16). The client computer(16) is connected to the targeting analysis server computer(11) through the network(10). The targeting analysis server computer(11) consists of a firewall server, a web/mail sever, a member database, a target advertisement database, a target research database, a control part, and an application program.
Patent KR-20000053755-A (KR)
Inventor: SHIN YOUN HO
IPC: F02M35/026
Filed: 2000-03-28
Abstract: PURPOSE: A wet air cleaner for a vehicle is provided not to need of replacing an air cleaner and to supply a large amount of air to each cylinder without air resistance caused by a filter by using liquid mixing water with an antifreezing solution or gasoline. CONSTITUTION: A circulating pump(5) rotates following an engine and a high pressure is discharged to high-pressure pipes(10,11) from a liquid tank(3). Air cleaning liquid is injected into each opposite nozzle from black spraying nozzles(14,22) so that the liquid is sprayed into a primary air cleaner like a shower. Another air cleaning liquid is sprayed by the same method as the former one to be sprayed into a secondary air cleaner. Dust and pollutants of each air cleaner are joined with the air cleaning liquid by an eddy of air. The dust and pollutants flow into the liquid tank(3) and then settle down in a deposit container(4). The air cleaner is used again by washing the deposit container(4).
Patent KR-20010014674-A (KR)
Inventor: PAUL S NOLAN
IPC: F23J15/02
Filed: 2000-03-31
Abstract: PURPOSE: An apparatus is provided to enable rapid sedimentation of an oxidized mercury into a gas/liquid interface in a scrubber by adding hydrogen sulfide and/or an aqueous sulfide species to an industrial gas in the scrubber, when the industrial gas containing the oxidized mercury is received and cleaned using a scrubber solution. CONSTITUTION: A boiler installation(10) has a furnace(12) with a burner(25) attached to which fine powder coal(24) is supplied from a finely crushing machine(22), and a flue gas generated in this furnace(12) is sent to an air heater(18) through a gas outlet(14). Next , the flue gas is sent to an electric dust collector(26) and a wet scrubber absorbing device module(30). Further, the gas is cleaned to be discharged into a smokestack(32). A wet scrubber(30) pumps up a scrubber solution(38) stored at the bottom part using a circulating pump(40) and makes the solution(38) spew out from a spray header(44) to absorb SO2 from the flue gas(16). In this case an H2S generation system(50) is provided and H2S is injected from an injection system(76) at the front stage of the wet scrubber(30). Thus it is possible to facilitate the remaining mercury removing treatment.
Patent KR-20000037044-A (KR)
Inventor: KIM TAE JIN
IPC: B60Q9/00
Filed: 2000-04-06
Abstract: PURPOSE: A device and a method for alarming a state of oil in a vehicle using an optical fibrous sensor are provided to detect the state of oil supplied to each component of vehicle using the optical fibrous sensor and to visually alarm a replacing or an exchanging of oil to a driver based on the detected result. CONSTITUTION: An optical signal to show a state of oil supplied to a component is detected by using an optical fibrous sensor to generate a light based on a power offered when the power of vehicle is turned on. A detecting signal of oil state is generated by switching the detected light signal to an electric signal. The detected signal of oil state and a reference value of oil state are compared. A present state of oil stored in an oil fan is decided based on the compared result. The present state of oil is visually displayed on a gauge board of a vehicle based on the decided result.
Patent KR-20010096721-A (KR)
Title: method for fabricating the biochip
Inventor: KIM SU HYEON
IPC: C12Q1/68
Filed: 2000-04-14
Abstract: PURPOSE: Provided is a method of preparing biochips which have excellent detection sensitivity, and easily manufacture micro array. CONSTITUTION: The preparation method comprises steps of: fixing bio-materials to the fiber by dipping the solid support which binds to the fiber; arraying the fiber by unfolding the bound fiber; embedding the arrayed fiber; making thin chips by cutting the embedded fiber in a direction perpendicular to the length of the arrayed fiber, and depositing the fiber fixed with bio-materials on the base plate by removing the materials used for embedding.
Patent KR-20010096914-A (KR)
Inventor: JANG U JIN
IPC: H04B7/26
Filed: 2000-04-19
Abstract: 1. 청구범위에 기재된 발명이 속한 기술분야 
     본 발명은 부호분할 다중접속 방식을 사용하는 단말기에서 피엔 부호 마스크 벡터의 우선 순위에 따른 피엔 동기 획득과 마스크 벡터 설정을 위한 장치 및 방법에 관한 것이다. 
     2. 발명이 해결하려고 하는 기술적 과제 
     본 발명은 부호분할 다중접속 방식을 사용하는 단말기에서 피엔 동기 획득 시간을 최소화하고 마스크 벡터의 설정을 용이하게 할 수 있도록 한다. 
     3. 발명의 해결방법의 요지 
     본 발명의 요지는 부호분할 다중접속 방식을 사용하는 단말기에서 피엔 동기 획득 방법에 있어서, 특정 기지국들의 마스크 벡터에 따른 최우선 순위 마스크 벡터 정보의 수신에 의해 최우선 순위 마스크 벡터, 우선 순위 마스크 벡터, 일반 마스크 벡터를 설정하는 제 1 단계와, 상기 설정된 최우선 순위와 우선 순위, 일반 마스크 벡터의 순위에 따라 순차적으로 발생되는 피엔 부호와 기지국으로부터 수신된 피엔 부호와의 상관을 수행하는 제 2 단계와, 상기 상관에 따른 상관값이 소정 임계치보다 크면 해당 마스크 벡터에 의해 동기를 트래킹하는 제 3 단계와, 상기 트래킹 단계에 의해 획득된 상기 해당 마스크 벡터에 따라 상기 마스크 벡터의 순위를 조정하는 제 4 단계를 포함함을 특징으로 한다. 
     4. 발명의 중요한 용도 
     본 발명은 부호분할 다중접속 방식의 단말기에서 피엔 동기를 획득하는 데 이용된다.
Patent KR-20010096990-A (KR)
Inventor: LEE SEOK HYEONG
IPC: F04D25/08
Filed: 2000-04-19
Abstract: 본 발명은, 송풍날개와, 상기 송풍날개를 회전시키는 송풍모터를 갖는 헤드조립체와; 상기 헤드조립체를 지지하는 지지기둥을 갖는 선풍기에 관한 것으로서, 상기 송풍모터의 케이싱 하부에 결합되는 지지브라켓과; 상기 지지기둥의 축선과 평행하게 이격된 축선을 가지고 상기 지지브라켓을 회동가능하게 지지하는 지지축과; 상기 지지기둥의 상단부에 결합되는 네크홀더와, 상기 지지기둥의 축선에 대해 가로방향의 회동축선을 갖도록 상기 네크홀더에 회동 가능하게 결합되며 전방영역에 상기 지지축이 수용결합되는 축수용부가 형성되어 있는 네크를 갖는 네크조립체와; 상기 송풍모터 하부영역의 상기 지지브라켓에 설치되며 상기 지지축과 평행한 편심축을 갖는 회동모터와, 양단부가 각각 상기 편심축과 상기 지지축에 회동가능하게 결합되어 상기 회동모터의 구동시 상기 지지브라켓을 상기 지지축에 대해 좌우회동시키는 커넥팅로드를 갖는 좌우회동장치를 포함하는 것을 특징으로 한다.  이에 의하여, 좌우회동장치가 단순하게 구성되어 외관이 향상됨과 동시에, 제작비를 절감하고 생산성을 향상시킬 수 있는 선풍기가 제공된다.
Patent KR-20000037506-A (KR)
Inventor: LEE SANG DUCK
Filed: 2000-04-29
Abstract: PURPOSE: A transaction method of ship's stores using the internet is provided so that a shipping company can purchase ship's stores at low costs by securing transparency. CONSTITUTION: Ship' stores and the conditions associated with the ship's stores are registered in a web server(S1). A plurality of quotations from ship's stores companies are proposed for the inquiry(S2). The proposed quotations are provided to a shipping company from the web server(S3). One of the proposed quotations is approved by the shipping company(S4). The approved result is annunciated to the ship's stores company proposed the approved quotation(S5). A formal transaction is annunciated to the ship's stores company and the shipping company for the approved and annunciated quotation(S6). The ship's stores company annunciates the formal contract to the web server with the document of the contract and requests the contract conclusion evidence to the operator of an electronic document exchange interface system(S7). The ship's stores company receives the contract document from the operator and confirms the contract(S8).
Patent KR-20010007696-A (KR)
Inventor: LEE JONG SU
IPC: B31D1/02
Filed: 2000-05-02
Abstract: PURPOSE: A making machine for a burglarproof sensing label is provided to prevent that a visitor takes away a book or goods without permission, and make the sensing label in a roll or a stick type with a single machine. CONSTITUTION: A making machine for a sensing label comprises; a driving motor(10); a first reel(13) and a second reel(14) in which a bar code band(11) and a magnetic tape(12) are wound; a third reel(18) and a fourth reel(19) in which release paper(15) is wound to evaporate the bar code band and the magnetic tape, and in which release paper(17) having an adhesive tape is wound; a first cutting part(20) cutting the magnetic tape unwound in the second reel at certain length and evaporating to the adhesive tape unwound in the fourth reel; a first driving part rotated by the driving motor and bonding the bar code band to the magnetic tape; reels for the release paper(22,23) formed in the first driving part(21), and in which the release paper separated during passing through the first driving part is wound; a couple of second cutting parts(24) cutting the adhesive tape at certain length to be bonded on the goods as a sensing label; a second driving part(27) bonding release paper(25,26) on the adhesive tape; and a third cutting part(28) cutting a bar code tape in the width direction to be used as a sensing label(A) of a stick type.
Patent KR-20000050027-A (KR)
Inventor: MOON JONG IN
IPC: F42B10/00
Filed: 2000-05-12
Abstract: PURPOSE: A long distance firing system for aerial transportation of water and for a prompt extinguishment of fire is provided to achieve an effective water transportation while freezing the water to be shaped as a ball and scattering the ice cannonball after being fired for a widespread deposition of water. CONSTITUTION: A long distance firing system is characterized in that water is freezed to form a ball, and the liquid or solidified gas fired by a pressure of gas generated from a blasting powder, compressed air or gas explosion is guided to reach a long distance so that the liquid or solidified gas scatters by the air resistance.
Patent KR-20010007069-A (KR)
Inventor: ISHIKAWA TOSHIJI
IPC: H01R4/24
Filed: 2000-05-12
Abstract: PURPOSE: To provide an electric terminal which can assure interconnection between a first and a second electric wires, and in which the first electric wire can connect with the second electric wire in orthogonal relation. CONSTITUTION: An electric terminal 1 formed by blanking and bending a metal is provided with a pair of opposing first electric wire receiving slots 4 and 4 which are formed on a pair of opposing first plates 3 and 3, respectively and a pair of opposing second electric wire receiving slots 8 and 8 which are formed on a pair of opposing second plates 7 and 7, respectively. The pair of second plates 7 and 7 are formed of a pair of plates which are bent substantially normal to a plate 12 from the both edges of the plate 12 extending from the one side of the first plates 3 and 3. The pair of second electric wire receiving slots 8 and 8 formed on the second plates 7 and 7 are substantially orthogonal to the pair of first electric wire receiving slots 4 and 4 formed on the first plates 3 and 3.
Patent KR-20000077266-A (KR)
IPC: H01M4/50
Filed: 2000-05-13
Abstract: 본 발명은 비수성 전해질 2차 전지, 구체적으로 리튬 이온 2차 전지의 충전 -방전 주기 특성, 저온 특성 및 안정성을 개선시킬 수 있는 양극 활성 물질, 음극 활성 물질 및 단독으로 또는 배합으로 사용되는 전해질에 관한 것이다. 특히, 평균 입자 크기가 10 ㎛ 이상이고 식 [20/(비표면적 ×평균 입자 크기) ] = 7∼9를 만족하는 미립자 Li-전이 금속 복합 산화물은 양극 활성 물질로서 사용한다.