baber/WOPTO huggingface dataset:
Patent KR-20040043205-A (KR)
Title: substrates bonding device for manufacturing of liquid crystal display and method thereof
Inventor: KANG MYEONG GU
IPC: G02F1/13
Filed: 2002-11-16
Abstract: PURPOSE: An apparatus for combining substrates of a liquid crystal display and a method of correcting a plane level using the apparatus are provided to reduce a period of time required for manufacturing a liquid crystal display panel and smoothly align the substrates with each other in the horizontal direction. CONSTITUTION: An apparatus for combining substrates of a liquid crystal display includes a base frame(100), upper and lower chamber units(210,220), chamber transfer units(310,320,330,340,350), upper and lower stages(230,240), a sealing unit, the first aligner, the second aligner, supporting units(710), and vacuum pumps(610). The first aligner is included in the upper chamber unit, measures plane levels of the stages and corrects the plane levels. The first aligner includes a plurality of linear actuators(510) and a sensor. The first aligner makes the upper and lower stages be level with each other. The second aligner moves the lower chamber unit to vary the position of the upper stage to align the substrates with each other.
Patent KR-20040043907-A (KR)
Inventor: KANG HYUN MIN
IPC: A61P1/16
Filed: 2002-11-20
Abstract: PURPOSE: Provided is a liver-function activating and anti-hyperlipemia composition which characteristically contains a citron juice and Cordyces militaries extract. It also decreases blood alcohol content to have effective hangover removal effect, antifatigue effect and antioxidation effect. CONSTITUTION: A liver-function activating and anti-hyperlipemia composition is characterized by containing a citron juice and Cordyces militaries extract in a weight ratio of 1:0.5-1:2, preferably 1:1. It recovers liver function damaged by alcohols, blood triglyceride and cholesterol levels, promotes alcoholysis and provides proteins required for the oxidation of alcohols.
Patent KR-20040049379-A (KR)
Title: A portable air cleaner purifying the contamination air
Inventor: LEE HOO KUN
IPC: B01D53/04
Filed: 2002-12-05
Abstract: PURPOSE: Provided is a disposable air purifier which makes people or workers at air contaminated areas conveniently remove harmful components from the contaminated air and inhale clean air. CONSTITUTION: The disposable air cleaner comprises a transparent plastic pipe(6) where a glass fiber filter(7) to remove dusts from the air, a detecting agent(8) to detect whether harmful gas exists or not and an impregnated activated carbon(5) to adsorb the harmful gas are filled and lids(4) to close an entrance and an exit tightly when not using the air cleaner.
Patent KR-20040050804-A (KR)
Title: apparatus for chemical mechnical polishing in semiconductor manufacuring device
Inventor: LEE SE YEONG
IPC: H01L21/304
Filed: 2002-12-09
Abstract: PURPOSE: A CMP(Chemical Mechanical Polishing) apparatus of semiconductor manufacturing equipment is provided to prevent the warp of a rib by inserting a reinforcing part between the rib and a frame. CONSTITUTION: A CMP apparatus of semiconductor manufacturing equipment is used for polishing a metal layer or an oxide layer of a wafer by supplying predetermined pressure. The CMP apparatus is provided with a membrane(10) divided into a plurality of regions and a plurality of ribs(12) formed at one side of each region of the membrane. The CMP apparatus further includes the first and second reinforcing parts(13a,13b) installed at the edge ribs, and a frame(11) installed between the ribs for sealing the upper portion of the resultant structure.
Patent KR-20040050245-A (KR)
Title: Thin film transistor substrate, method of manufacturing the same, liquid crystal display device having the same and method of manufacturing the same
Inventor: HWANG SEONG YONG
IPC: H01L23/485
Filed: 2002-12-09
Abstract: PURPOSE: A thin film transistor, a manufacturing method thereof, an LCD(Liquid Crystal Display) having the same and a manufacturing method thereof are provided to enhance an electrical contact characteristic between a driving integrated circuit and an electrode pad. CONSTITUTION: A gate pad region(292) is comprised of the insulated first substrate(210), gate electrode pads(270a,270b) equipped on the first substrate(210), the first conductive bump(250) equipped on the gate electrode pads(270a,270b), a drive integrated circuit(500) electrically connected with the first conductive bump(250) and a non-conductive resin(600), as a fixing member, for maintaining the electrical connection state between the first conductive bump(250) and the drive integrated circuit(500). The first conductive bump(250) is comprised of the first protrusion member(251) and the first conductive coating layer(252). A data pad region(293) is comprised of the insulated first substrate(210), data electrode pads(280a,280b) equipped on the first substrate(210), the first conductive bump(250) equipped on the gate electrode pads(280a,280b), a drive integrated circuit(500) electrically connected with the first conductive bump(250) and a non-conductive resin(600), as a fixing member, for maintaining the electrical connection state between the first conductive bump(250) and the drive integrated circuit(500).
Patent KR-20040056490-A (KR)
Title: Method and apparatus for handling a transmitting event of IPC message in high-speed router system
Inventor: AHN BYEONG JUN
IPC: H04L12/28
Filed: 2002-12-23
Abstract: PURPOSE: An apparatus and method for processing an IPC(Inter Processor Communication) message transfer event in a high-speed router system is provided to minimize an IPC message process task and improve the performance of a main processor by gathering associated events, which can be processed in one IP message, among the IPC transfer events generated from sub modules into an IP message and transmitting the IP message. CONSTITUTION: An apparatus for processing an IPC message transfer event in a high-speed router system comprises an IPC event management task. The IPC event management task is composed of an event queue table(b2), an event queue manager(b3), and an IPC message processing task(b4). The event queue table(b2) stores IPC event messages. The event queue manager(b3) manages the stored IPC event messages. The IPC message processing task(b4) processes IPC event message fields.
Patent KR-20040056703-A (KR)
Title: Limit switch unit by the detection of linear displacement
Inventor: JUN IN DO
IPC: E02B7/20
Filed: 2002-12-24
Abstract: PURPOSE: A water gate limit detecting unit of a linear displacement conversion method is provided to improve the reliance on data, promote the convenience of a user by detecting and managing the opening state of a water gate exactly. CONSTITUTION: The water gate limit detecting unit of a linear displacement conversion method comprises: a rotary screw(50) provided with speed reduction gears(41,42) which convert rotary force transferred from a driving motor shaft of a winch into reduced rotational frequency; and a nut type movable block(70) coupled to the outside of the rotary screw(50) and moved rectilinearly to detect the spreading and closing state of a water gate according to forward, backward rotation of the rotary screw(50). A basic frame(60) is installed between the rotary screw(50) and the movable block(70) and provided with a through hole. Detecting rings(82,84,86,88) are formed on the upper part of the movable block(70) to face the opposite direction mutually. Approach sensors(90,91) are formed on both upper sides of the basic frame(60) to sense the movement of the detecting ring when the movable block(70) moves from side to side.
Patent KR-20040057657-A (KR)
Inventor: HONG JUN GI
IPC: H01L23/12
Filed: 2002-12-26
Abstract: PURPOSE: A method for stacking a package is provided to omit molding and wire bonding process by stacking semiconductor chips using a flexible polyimide tape with copper patterns. CONSTITUTION: The first and second semiconductor chips(100,110) with the first and second center pads, and a flexible substrate(130) made of a polyimide tape with copper patterns and ball lands are prepared. Bumps(101,111) are attached to the first and second center pad of the first and second semiconductor chips. The first and second semiconductor chips are attached to the both sides of the flexible substrate. The first and second semiconductor chips of the substrate are bent. The bending second semiconductor chip is attached on the first semiconductor chip. Solder balls(120) are attached to the ball lands.
Patent KR-20040060031-A (KR)
Title: Composition for Artificial Marble Having Excellent Mechanical Properties
Inventor: JUNG DONG CHUN
IPC: C08L33/06
Filed: 2002-12-30
Abstract: PURPOSE: Provided is an artificial marble composition, which has beautiful appearance, improved impact resistance and scratch resistance, and enhanced physical properties obtained by using inexpensive inorganic fillers without changing a production process. CONSTITUTION: The artificial marble composition comprises: (a) 100 parts by weight of acrylic resin syrup; (b) 100-200 parts by weight of inorganic fillers containing 50-150 parts by weight of aluminum hydroxide, 30-85 parts by weight of glass particles and 5-20 parts by weight of long glass fibers; (c) 2-10 parts by weight of a crosslinking agent; and (d) 0.1-10 parts by weight of a polymerization initiator. More particularly, the acrylic resin syrup comprises 65-85 wt% of acrylic monomers and 15-35 wt% of acrylic polymer(polyacrylate).
Patent KR-20020042626-A (KR)
IPC: G01N31/00
Filed: 2000-07-26
Abstract: 본 발명은 습기지시제에 관한것으로서, 더욱 상세하게는 염화이온을 함유하는 증강제 염 및 유효성분(active principle)을 포함하며, 유효성분이 염화구리이거나, 또는 Cu ++ 및 Cl - 이온을 방출할 수 있는 염인 습기지시제로서, 적합한 지지물질 위에서 흡습성이 있다. 적합한 지지물질로는 응용분야에 따라서 비결정질의 실리카 또는 실리카 겔, 습기지시라벨(Moisture-indicating label)에서의 고형의 종이 지지물질, 기계적 압착을 가하여 만드는 펠렛에서의 벤토나이트 또는 황산칼슘이 지지물질이 된다.
Patent KR-20020027547-A (KR)
Title: 검사 장치 및 검사 방법
IPC: H01L21/66
Filed: 2001-06-13
Abstract: 회로 배선에 검사 신호를 공급함에 있어서, 그 회로 배선에 접촉하는 핀을 불필요한 것으로 하고, 또한 육안에 의해 식별할 수 없는 미세한 결함도 검출할 수 있는 검사 장치 및 검사 방법을 제공하는 것이다. 
     회로 기판(100)의 회로 배선을 검사하는 검사 장치 A를, 회로 기판(100)의 한쪽 면측에 배치하고, 검사 신호가 공급되는 도전 부재(1)와, 도전 부재(1)에 검사 신호를 공급하는 신호원(2)과, 회로 기판(100)의 다른쪽 측면에서 도전 부재(1)에 대향하여 배치되는 복수의 셀(3a)을 갖는 센서 유닛(3)과, 도전 부재(1)에 검사 신호를 공급함으로써 각각의 셀(3a)에 나타내는 신호를 취득하는 컴퓨터(5)로 구성된다.
Patent KR-20020047172-A (KR)
IPC: G11B7/09
Filed: 2001-06-22
Abstract: 본 발명은 광축(41)을 갖는 대물렌즈(45)를 구비한 광학 주사장치(15)에 관한 것이다. 이 주사장치는, 적어도 상기 광축에 평행한 방향으로 대물렌즈를 변위시킬 수 있는 액추에이터(57)를 구비한다. 이 액추에이터는, 자기부(61)와 이 자기부와 상호 동작하는 전기 코일부(63)를 구비한다. 본 발명에 따르면, 상기 자기부는 광축에 수직한 X 방향에 평행한 방향으로 보아, 상기 코일부에 이웃하고 그 외부에 전체적으로 위치되고, 상기 코일부의 부분(95, 97, 101, 103, 107, 109)이 자기부의 자기 표유 전계(113, 117)에 존재한다. 그 결과, 상기 코일부와 대물렌즈를 이송하는 주사장치의 이동부의 크기와 질량을 비교적 작게 할 수 있다.
Patent KR-20020033815-A (KR)
Title: Exhaust emission control device of internal combustion engine
IPC: F01N3/36
Filed: 2001-07-18
Abstract: A NOx catalyst in the exhaust passage of an internal combustion engine is capable of lean burn and adapted to release and reduce absorbed NOx by a reducing agent. Reducing agent supplier is provided in the exhaust passage on the upstream side of the NOx catalyst. A load detector detects the load of an internal combustion engine. Reducing agent addition controller controls the reducing agent addition period and the reducing agent addition interval based on the load of the internal combustion engine, whereby sufficient reducing agent is supplied to the NOx catalyst side independently of the operating condition.
Patent KR-20020037382-A (KR)
IPC: G09F9/37
Filed: 2000-10-05
Abstract: 문자들, 숫자들 혹은 기호들을 나타내고 특히 상품의 가격들을 표시하기 위한 기초 몸체 내에 배열된 대체가능한 가동 부재들을 가진 장치.  작고 다목적이며  다양한 글자들의 저장함이 없이, 또한 요구되는 정보를 나타내기 위해서 어떠한 문자들, 숫자들 혹은 기호들의 복잡한 퍼즐과 같은 조합도 요구함이 없이 문자들, 숫자들과 기호들을 표시하는 상기 언급된 종류와 같은 장치를 제공하기 위해, 가동 부재들(3)이 미끄러져 움직이는 시트 혹은 느슨한 핏(fit)에 의하여 개구부(2) 내에 고정됨이 제공된다.
Patent KR-20020060722-A (KR)
IPC: H01J35/06
Filed: 2000-10-27
Abstract: 본 발명에 의한 비파괴 검사장치는 내구성이 요구되는 동시에 취급의 용이함도 요구되고 있다.  그래서, 취급성의 향상을 도모하기 위해서 고압 케이블을 없애기 위해, 고압(예를 들면 160㎸)화하는 고압 발생부(15)를 수지로 몰드시킨 몰드 전원부(14)를 채용하고, 이 몰드 전원부(14)를 통 형상부(2)의 기단측에 고정시킴으로써 전원 일체형의 장치를 실현시킨 것이다.  이와 같이, 고압 발생부를 수지 몰드 안에 차폐함으로써, 몰드 안에서의 고압 발생부(15)의 구성의 자유도가 각별히 향상되게 된다.  더욱이, 중량이 있는 몰드 전원부(14)를 아래로 하고, 타겟(10)을 위로 하도록 설치시킴으로써, X선 발생장치(1)를 안정한 상태로 비파괴 검사장치(70)에 설치시킬 수 있다.
Patent KR-20020068072-A (KR)
IPC: F01N3/20
Filed: 2001-10-25
Abstract: 본 발명은 특히 엔진의 배기 가스 후처리 시스템의 제어 방법 및 장치에 관한 것이다.  제1 변수(SIMP)는 제1 작동 상태에서 배기 가스 후처리 시스템에 공급된 물질의 양을 나타내는 제1 작동 변수를 기초로 하여 결정된다.  제2 변수(SIMR)는 제2 작동 상태에서 배기 가스 후처리 시스템으로부터 제거된 연료량을 나타내는 제2 작동 변수를 기초로 하여 결정된다.  제1 및 제2 변수는 오류 인식을 위해 비교된다.
Patent KR-20020080370-A (KR)
Title: 코엔자임 큐10/감마-시클로덱스트린 복합체의 제조방법
IPC: A61P43/00
Filed: 2001-01-11
Abstract: 본 발명은 코엔자임 Q10/ -시클로덱스트린의 복합체를 제조하는 방법에 관한 것이다.  상기 방법은 -시클로덱스트린과 코엔자임 Q10의 혼합물을 균질화 및 에너지공급에 의해 처리함으로 특징으로 한다.
Patent KR-20020084213-A (KR)
Title: Plasma disinfection system
Inventor: KO JUNG SEOK
IPC: A61L2/14
Filed: 2000-05-26
Abstract: PURPOSE: Provided is a plasma disinfection system in which hydrogen peroxide is supplied by extremely small fixed quantities as active species during generation of the plasma and a pre-treatment is also carried out with gaseous plasma prior to the generation of the plasma. CONSTITUTION: The low temperature plasma sterilization system comprises the parts of: a reaction chamber(1) for receiving an item(9) to be sterilized, wherein the item is wrapped in a packaging material(10); an anode(2) and a cathode(3) disposed above and below the item(9) to be sterilized in the reaction chamber(1) respectively; an injection heater(5) connected to the anode(2) via a mass flow controller(4); a plasma power source(8) connected to the cathode(3) via an impedance matching circuit(6) and an impedance matching controller(7) for generating high-frequency power; and a vacuum pump(11) disposed at the lower part of the reaction chamber(1), wherein a hydrogen peroxide solution(12) in the liquid phase is turned into gaseous hydrogen peroxide by means of the injection heater(5) prior to the sterilization with plasma, and then the gaseous hydrogen peroxide is adjusted and injected at desired pressure by means of the mass flow controller(4), to accomplish the pre-treatment.
Patent KR-20030015281-A (KR)
IPC: G16H10/60
Filed: 2001-06-13
Abstract: 인체에 근접하여 위치될 때 개인에 대한 하나이상의 생리학적 파라미터를 지시하는 데이터와 이 데이터로부터 유도된 데이터를 생성하는 센서 디바이스를 포함하는 탐지, 모니터링 및 보고 시스템이 개시되었다.  원격 중앙 모니터링 유닛은 생리학적 파라미터를 지시하는 데이터, 유도된 데이터 및 이전에 생성된 분석 상태 데이터로부터 분석 상태 데이터를 생성한다.  데이터 저장 디바이스는 중앙 모니터링 유닛에 의해 수신되어 발생된 데이터를 저장한다.  본 시스템은 센서 디바이스와 중앙 모니터링 유닛간에 전자 통신을 수립하기 위한 수단과, 상기 데이터를 수신자에게 전송하기 위한 수단을 포함한다.  센서 디바이스는 또한 개인에 대한 컨텍스추얼  파라미터를 지시하는 데이터를 생성하고, 그것은 분석 상태 데이터를 생성하는 경우에 사용될 수 있다.  본 시스템은 개인이 제안된 일과를 수행한 정도에 관한 피드백을 모니터링하여 제공하는 데에 사용될 수 있다.
Patent KR-20040062360-A (KR)
Inventor: LEE YOUNG HAE
IPC: C02F1/74
Filed: 2003-01-03
Abstract: PURPOSE: A red tide damage prevention apparatus for aquaculture system is provided to protect fishes inside the aquaculture system by injecting compressed micro-air onto red tide in underwater lower layer and gushing out seawater of the lower layer not contaminated with red tide to the surface of the aquaculture system at the same time. CONSTITUTION: In an apparatus for removing red tide generated in a fish holding nursery(50) comprising a fixed frame(52) installed in such a way that an upper part of the fixed frame is opened in the seawater surface by buoy(51) connected to the upper surface edge of the fixed frame, a fish holding net(53) fixed to the fixed frame to confine fishes by covering side surfaces and bottom surface of the fixed frame, and weights(54) a plural of which are installed at the bottom of the fish holding net to vertically maintain the fish holding net, the red tide damage prevention apparatus for aquaculture system comprises a reciprocating compression type vane pump(110) comprising a rotor which is reciprocated side to side, and at both end parts of which graphite cohering agent is installed so that the rotor is elastically cohered to the inner circumferential surface of inner housing with being fixed to crank shaft, inflow ports oppositely formed on the inner circumferential surface of the inner housing to suck air correspondingly to horizontal reciprocating motion of the rotor, sucking and exhausting valve plates installed on the outer circumferential surface of the inflow ports and the inner housing to open or close the inflow ports correspondingly to horizontal reciprocating motion of the rotor, and an outer housing which covers the inner housing to form an exhaust space part, and at one side of which an exhaust port for exhausting air is formed; a supply pipe(120) one end of which is connected to the reciprocating compression type vane pump to supply air up to the bottom surface of the fish holding net; and an air agitation member(130) to the outer circumferential surface of which the other end of the supply pipe is fixed in such a way that the supply pipe is communicated with the inside of the air agitation member, and the inner circumferential surface of which is formed in a hollow circular cylinder body shape to spirally inject seawater together with air supplied through the supply pipe.
Patent KR-20030011959-A (KR)
Inventor: KIM IL UNG
IPC: B29B17/00
Filed: 2003-01-13
Abstract: PURPOSE: An expanded resin compressing machine which is efficiently popularized by effectively reducing volume of waste styrofoam and compressing styrofoam in the state that styrofoam is easily processed is provided. CONSTITUTION: The expanded resin compressing machine comprises a crushing unit(100) comprising an injection port(110) which is installed at the upper side of the crushing unit(100) so that waste resin is injected into the injection port(110); a plurality of crushing rollers(120) along all over the outer circumferential surface of which rotational saw teeth are formed to move the waste resin to the lower side as crushing the injected waste resin; and a discharge port(130) which is installed at the lower side of the crushing unit(100) to discharge the crushed resin; and an injection unit(200) comprising an inlet(210) into which the crushed resin discharged from the crushing unit(100) is flown, a cylinder shaped casing(220) which is a transfer way of the crushed resin flown in through the inlet(210), and on the front of which a heat melting means(250) is mounted, a screw(230) which is inserted into the casing(220), and on the outer circumferential surface of which a screw airfoil member is formed and the crushed resin is transferred to the front part by rotation of the screw airfoil member, and a nozzle(240) which is coupled to the front side of the casing(220), and on which an extrusion hole(241) for extruding molten resin is formed.
Patent KR-20040067559-A (KR)
Inventor: PARK SEONG GI
IPC: G02F1/13
Filed: 2003-01-24
Abstract: PURPOSE: A device for checking an operation of a main board for an LCD device is provided to compare logical levels of digital video signals outputted from a main board for an LCD monitor, to quickly check an operated state of the main board, thereby quickly checking the operated state in a mass-production system of the main board. CONSTITUTION: A PC(20) comprises as follows. A test pattern generator(22) generates a video signal corresponding to a predetermined test pattern in order to check an operation of a main board(30). A memory(24) stores outputted results to an input of the test pattern when the main board(30) normally operates. A CPU(26) controls operations of each unit. The main board(30) comprises as follows. An IC(34) processes the video signal. A data transmitter(32) transmits the signal outputted from the IC(34). A checking device(40) comprises as follows. A data receiver(42) receives the transmitted signal. A DMA(Direct Memory Access) controller(44) stores the video signal. An LED(49) displays an operated state of the main board(30). A microcomputer(48) controls each unit.
Patent KR-20040069621-A (KR)
Inventor: KIM JIN HWAN
IPC: F25B49/02
Filed: 2003-01-30
Abstract: PURPOSE: A refrigerant distribution control method in a refrigerator is provided to maintain a pressure balance state of a low-pressure side room and a high-pressure side room in a short time by turning on/off valves by a stepping motor and controlling the flow of a refrigerant flowing into the rooms. CONSTITUTION: A refrigerant distribution control method in a refrigerator comprises steps of turning on first and second valves and determining whether first set time has passed, if the refrigerator begins drive(S300,S302,S304); turning off the second valve and determining whether second set time has passed(S306,S308); turning on a compressor and determining whether third set time has passed(S310,S312); and turning on the second valve while turning off the compressor(S314,S316).
Patent KR-20040073682-A (KR)
Inventor: PARK JOO MIN
IPC: C09D5/33
Filed: 2003-02-14
Abstract: PURPOSE: A coating composition is provided to form a hygienic inorganic film that emits far-infrared and anions, on the metal or plastic surface of various living products such as domestic electric appliances or cookers, therefore providing beneficial effects to human health or living environment. A molded article coated with the coating composition is also provided to control the calcination temperature to relatively low temperature and the thickness of the film to 10-70 microns. CONSTITUTION: The coating composition comprises: 70-90wt% of an inorganic solution in which at least one silane or oligomers derived therefrom is hydrolyzed and polycondensed in the presence of at least one compound selected from a silicon oxide(SiO2) powder having a certain size in micron scale and/or oxides and hydroxides of alkali metals and alkali earth metals; 2-15wt% of a ceramic powder being capable of emitting far-infrared and anions; and 8-15wt% of a dye including additives.
Patent KR-20030028506-A (KR)
Inventor: JUNG HEON SEOK
IPC: C08K3/00
Filed: 2003-02-17
Abstract: PURPOSE: Provided is a multifunctional, agricultural mulching film using biodegradable resin, which inhibits a weed growth and thus reduces labor power and improves productivity. CONSTITUTION: The film comprises 100 parts by weight of biodegradable resin and 1-20 parts by weight of functional additives. The biodegradable resin consists of a compound of matrix resin and bio-decomposing agent, a compound of matrix resin and complex decomposing additive, polycaprolactone, polylactic acid, and fatty acid ester. The bio-decomposing agent consists of starch and modified starch. The matrix resin consists of polyolefin. The functional additive consists of zeolite, elvan, chitosan, loess, charcoal, germanium.
Patent KR-20030069110-A (KR)
Title: 시지각 반사광의 양이 많은 장식용 다이아몬드의 컷디자인 및 장식용 다이아몬드의 관찰 방법
IPC: A44C17/00
Filed: 2003-02-18
Abstract: 본 발명은 장식용 다이아몬드를 관찰하는 사람이 보다 아름답다고 느끼는 다이아몬드의 컷 디자인(cut design) 및 그 관찰 방법을 개시하고 있다. 거들(girdle)의 상부에 크라운(crown)과 그 아래에 퍼빌리언(pavilion)을 갖는 라운드 브릴리언트 컷(round brilliant cut)을 행한 컷 디자인이다. 거들 높이(h)가 거들 반경의 0.026 내지 0.3이고, 퍼빌리언 각(p)이 37.5° 내지 41°이다. 그리고 크라운 각(c)이, 
     c > -2.8667 ×p + 134.233 과, 
     p < 1/4 ×{(sin -1 (1/n) + sin -1 (1/nㆍsinc)) ×180/π+ 180 - 2c} 
     [여기서, n은 다이아몬드의 굴절율, π는 원주율이고, 퍼빌리언 각(p)과 크라운 각(c)은 도(°)로 나타냄]를 만족하는 범위인 것에 의해, 시선 각도 20°미만으로 테이블면 위쪽에서 관찰하였을 때에 시지각(視知覺) 반사광의 양이 많은 장식용 다이아몬드의 컷 디자인으로 되어 있다.
Patent KR-20030074144-A (KR)
Title: 대역내 군지연 평탄 회로 및 왜곡 보상형 증폭기
IPC: H01P1/00
Filed: 2003-02-19
Abstract: 본 발명은 통과대역 양측의 에지(edge) 근방에 군지연량의 피크를 발생시키지 않고, 군지연이 평탄한 대역을 넓게 취할 수 있도록 하며, 또한, 대역폭 및 군지연 시간의 조정을 용이하게 한, 소규모의 회로 구성으로 우수한 군지연 평탄 특성을 나타내는 대역내 군지연 평탄 회로, 및 그것을 구비한 왜곡 보상형 증폭기를 제공하는 것을 목적으로 한다. 
     본 발명의 구성에 따르면, 하이브리드 커플러(1a, 1b)의 2개의 분배 출력 포트 #2, #4에 공진기(2a, 3a, 2b, 3b)를 각각 접속하고, 볼록형 군지연 회로를 복수단 형성한다. 각 볼록형 군지연 회로의 중심 주파수를 다르게 함으로써, 전체로서 대역내 군지연 평탄 회로를 구성한다.