baber/WOPTO huggingface dataset:
Patent KR-20010062169-A (KR)
Title: Process for preparing thermoplastic molding compositions
Inventor: BORDEIANU RADU
IPC: C08F8/00
Filed: 2000-12-06
Abstract: PURPOSE: Provided is a novel process for preparing a thermoplastic polyvinyl chloride molding composition modified with an elastomer-containing core-shell modifier with improved impact strength and corner strength and with improved optical properties, such as surface gloss, and with, at the same time, a smaller proportion of the elastomer component than in conventional single-phase impact modifiers. CONSTITUTION: The process for preparing thermoplastic molding compositions, comprises graft polymerizing a vinyl chloride monomer in suspension in the presence of a core-shell impact modifier; wherein the core-shell impact modifier comprises: a core comprising polyvinyl chloride or vinyl chloride copolymers; and a shell comprising crosslinked alkyl (meth)acrylate homo- or copolymers.
Patent KR-20020049083-A (KR)
Title: Improved beam forming region for electron gun
Inventor: CHEN HSING-YAO
IPC: H01J29/48
Filed: 2000-12-19
Abstract: PURPOSE: An improved beam formation region for electron gun is provided to reduce a spherical aberration of electron beam on a display screen by improving the beam formation region. CONSTITUTION: A CRT(10) is formed with a neck portion(12a), a funnel portion(12b), and a glass envelope(12) including a display screen or a screen(12c). A plurality of connection pins(16) are arranged at an end portion of the neck portion(12a) of the glass envelope(12). An electron gun(14) includes cathodes(18,20,22). A beam formation region of the electron gun(14) is formed with a G1 control grid(24), a G2 screen grid(26), and a G3 grid(28). The electron gun(14) further includes a high voltage focus region formed with a G3 grid(28) and a G4 grid(30). Three holes of the G1 control grid(24), the G2 screen grid(26), and the G3 grid(28) correspond to the cathodes(18,20,22). The G4 grid(30) is connected with an anode by a conductive foil(42). Three electron beams(46a,46b,46c) are swept by a magnetic deflection yoke(40). A phosphor layer(48) is formed on an inner face of the display screen(12c). A shadow mask(44) includes a plurality of holes(44a). The G2 screen grid(26) has three beam passing holes(26a,26b,26c).
Patent KR-20010035088-A (KR)
Title: Checking Device of L.C.D panel
Inventor: LEE GWANG U
IPC: G02F1/13
Filed: 2000-12-20
Abstract: PURPOSE: An apparatus for testing an LCD is provided to minimize inferiority in a process and to improve productivity by testing an output condition on a screen of an LCD with applying constant voltage or an appointed waveform. CONSTITUTION: An inputting unit(10) comprises a keyboard(11) to have decimal code keys and LCD controlling keys, a communication port(12) to be connected with an outer automation apparatus, and a peripheral selection apparatus(13) to select a peripheral. A central processing unit(20) comprises a micro processor(21) to perform various testing order and a memory apparatus unit(22) to save various data. A waveform generating unit(30) comprises a waveform generating apparatus(31) to generate a waveform necessary for a test and a recording apparatus(32) to measure and preserve a generated waveform. A signal inputting unit(40) comprises a D/A changing apparatus(41) to change a generated waveform into an analog signal, a constant voltage module(42) to supply a constant voltage, a bios module(43) to supply voltage dividing equally, a selector(44) to connect the central processing unit(20) with each terminal of an LCD(D), an A/D changer(45) to transfer an output value in accordance with a voltage inputted to the LCD(D) to the central processing unit(20), a common driver(45) to transfer a voltage divided in the bios module to a segment terminal(S) of the LCD(D), and a rectangular wave driver(48) to generate a rectangular wave for checking a voltage of the LCD(D). An outputting unit(50) comprises a display driver(51), an LCD(52), a voice composition apparatus(53) and a speaker(54).
Patent KR-20020052558-A (KR)
Title: Method for manufacturing vent-grille in gas oven range
Inventor: CHO SEONG SIK
IPC: F24C15/18
Filed: 2000-12-26
Abstract: PURPOSE: A method for manufacturing a vent-grille of a gas oven range is provided to reduce the unit cost of parts and simplify the manufacturing process. CONSTITUTION: A method for manufacturing a vent-grille(100) of a gas oven range comprises the steps of sheet-metal working a body(110) and wings(120) separated into two members with the same configuration with the vent-grille, and bonding the body and wings which are the two members. Thus, the unit cost of parts is reduced with simplifying the manufacturing process.
Patent KR-20020052798-A (KR)
Title: Image sensor and method for forming the same
Inventor: LIM YEON SEOP
IPC: H01L27/146
Filed: 2000-12-26
Abstract: PURPOSE: An image sensor and a manufacturing method thereof are provided to prevent a micro-lens form being scratched or fractured in order to improve a photo-sensitivity and a yield. CONSTITUTION: An image sensor comprises isolation layers(31), an interlayer dielectric(32) formed to entirely enclose a semiconductor substrate(30) formed with a lower structure, a metal interconnection on the interlayer dielectric(32), a planarization layer(33) and color filters(R,G,B) sequentially formed on the interlayer dielectric(32), a first OCM planarization layer(34) having depressed portions formed on the color filters(R,G,B), a micro-lens formed by filling the depressed portions of the first OCM planarization layer(34) with a nitride(35), and a second OCM planarization layer formed on the nitride(35). At this point, the upper portion of the sensor has a flat surface instead of a convex lens, thereby reducing an impact, so that a yield is improved.
Patent KR-20020054061-A (KR)
Title: Medical Materials and Porous Scaffolds for Tissue Engineering made from the Biodegradable Glycolide/ε-Caprolactone Copolymer
Inventor: CHOI SEONG WON
IPC: A61L27/18
Filed: 2000-12-27
Abstract: PURPOSE: A porous supporter for tissue engineering obtained from a copolymer of biodegradable glycolide/ε-caprolactone having excellent mechanical properties such as flexibility and elasticity and biodegradability is provided which can be effectively used as material for regenerating tissue of desired shapes. CONSTITUTION: This porous supporter is prepared from a biodegradable glycolide/ε -caprolactone copolymer having a recurring unit of formula 1 and a weight average molecular weight of 10,000. In formula, x and y are each 18 or more. The porous supporter has a pore size of 1 to 800 microns and a porosity of 50 to 99%.
Patent KR-20010025443-A (KR)
Title: Instant lottery of a car system
Inventor: KIM BYUNG HYUN
Filed: 2000-12-28
Abstract: PURPOSE: The vehicle lottery system is provided to reduce the incidental expenses without an additional issuing process and an intermediate distribution. CONSTITUTION: An internet terminal(a client personal computer, a mobile phone, a PCS, an IMT-2000 etc.) is provided for connecting to the internet. The vehicle lottery site is provided for connecting to the internet terminal. An internet server offers the vehicle lottery site. A client database is provided for connecting to the vehicle lottery site. A paying server is provided for paying to a financial institution using the client database. An automatically calculating server is provided for identifying a sold number of the vehicle lottery per one hour. A transmitting/receiving server is provided for transmitting and receiving to the internet terminal. A winning number database is provided for pre-designating and storing a winning number.
Patent KR-20010021572-A (KR)
Title: 머리받침
IPC: A47C7/62
Filed: 1998-07-08
Abstract: 본 발명은 차량에 사용되고 머리띠가 눈과 귀 위의 승객의 머리 주위에 배치되도록 하는 고정수단이 제공된 머리받침(1)에 관한 것이다. 고정수단은 머리띠가 끼워지기에 적합한 링(5)을 포함한다. 고정수단은 머리받침의 내부에 부착된 밴드(6)를 포함하고, 장식용 커버 내에 구멍(7)을 통하여 연장되며, 링(5)은 머리받침의 외부에서 밴드에 고정된다.
Patent KR-20010021945-A (KR)
Title: 기록 구동회로를 구비한 레코딩 장치
IPC: G11B3/00
Filed: 1999-05-06
Abstract: 기록 구동회로와 자기 기록 헤드(L H )를 구비하며, 자기 기록매체 상에 정보신호를 기록하는 레코딩 장치가 개시된다. 이 기록 구동회로는 제 1 전압 구동기(4)와 제 2 전압 구동기(6)를 구비한다. 더구나, 기록 헤드(L H )를 구동하기 위한 제 1 전류 구동기(40)와 제 2 전류 구동기(42)가 존재한다.
Patent KR-20010022604-A (KR)
IPC: A61B17/02
Filed: 1999-06-03
Abstract: An auxiliary device for safely and surely performing off-pump coronary artery anastomosis and low-invasive coronary artery bypass. This device consists of a means for elevating the heart to enable an operator to see the anastomosed part directly in the face and, at the same time, achieving the static state of the anastomosed part; a means for perfusing the blood in the peripheral side of the coronary artery during the anastomosis of a blood vessel for bypass; and a means for fastening the coronary artery in the central side and in the peripheral side of the anastomosed part of the coronary artery to thereby block the blood flow, thus maintaining the anastomosed part in a blood-free state. <IMAGE>
Patent KR-20010030808-A (KR)
Title: 기판 이송장치
IPC: G06F19/00
Filed: 1998-08-28
Abstract: 로봇 이송 암(32) 및 로봇 이송 암(32) 위에 배치된 기판 정렬기(42)를 포함하는 기판 이송 장치.
Patent KR-20010032000-A (KR)
Title: 레티노이드 길항제를 이용한 티-보조 세포 제2형 중재면역 질환의 치료
IPC: A61P27/16
Filed: 1998-11-05
Abstract: 본 발명에 의해, 레티노이드 수용체 길항 활성을 가진 레티노이드, 소위 레티노이드 길항제, 그의 약학적으로 허용가능한 염 및 약학적으로 허용가능한 가수분해성 에스테르가 면역글로불린 E(IgE)-중재 알러지 질환과 같은 T-보조 세포 제2형(Th2)-중재 면역 질환을 치료하는데 유효한 것으로 밝혀졌다.
Patent KR-20010032579-A (KR)
Title: 영구자석 회전자를 구비한 회전 고전압 교류전기기기에서자속을 제어하기 위한 방법 및 장치
IPC: H02P23/00
Filed: 1998-09-29
Abstract: 고전압 자기회로가 영구자석 회전자, 고정자 및 영향을 미치는 관계에 있는 주 및 보조자속 제어권선을 포함하는, 고전압망에 직접 접속하기 위한 회전 전기기기.    하나 이상의 권선은, 자기적으로 침투가능한, 계자제한 절연시스템에 의해서 둘러싸인 도체다.
Patent KR-20010033475-A (KR)
Title: 연료 분사 밸브
IPC: H01L41/09
Filed: 1999-07-20
Abstract: 본 발명은 내연 기관의 연료 분사 장치용 연료 분사 밸브(1)에 관한 것이다.  본 발명의 연료 분사 밸브는 시일링 시트를 형성하는 밸브 시트체(4)와 함께 동작하는 밸브 폐쇄체(2) 및 이 밸브 폐쇄체(2)의 가동을 위한 압전 액추에이터(12)를 포함한다.  상기 압전 액추에이터(12)는 압전 층(21)과 하나 또는 다수의 온도 보상 층(20)을 포함한다.  이 온도 보상 층은 압전 층(21)의 열 팽창 계수에 반대되는 부호의 열 팽창 계수를 갖는다.
Patent KR-20010034317-A (KR)
Title: Ｖｌａ-4 길항제
IPC: A61K31/167
Filed: 1999-01-21
Abstract: 하기 화학식 (I)의 화합물 및 그의 약학적으로 허용가능한 염은 VLA-4 길항제이다. 
     ＜화학식 I＞ 
     
       
     
     이들은 세포 유착의 저해에 유용하고, 염증성 및 자가면역 질환, 특히 염증성 기도 질환의 치료 또는 예방적 치료에 유용하다.  이들은 특히 외과수술후 염증, 특히 이식 수술로 인한 염증의 감소에 유용하다.
Patent KR-20010041284-A (KR)
Title: 수상 선박용 워터 제트 추진장치
IPC: B63H11/103
Filed: 1999-12-24
Abstract: 선박용 워터 제트 추진장치는 상류 펌프 하우징과 하류 펌프 하우징에 각각 위치되며 동축 샤프트(2, 3)상에 장착되는 2개의 역회전 임펠러(5, 6)를 포함한다. 스프링 장착형 접철 가능한 덮개 형태의 압력 제어 펌핑장치(10)는 임펠러(5, 6)사이에 위치된다. 하류 펌프 하우징의 압력은 공기 유입구(11)를 지나는 공기의 제어된 유입에 의해서 대기압으로 유지될 수 있다.
Patent KR-20010041557-A (KR)
IPC: C08F210/02
Filed: 1999-03-03
Abstract: The invention is directed to olefin polymerization processes using bridged hafnocene catalyst complexes comprising highly substituted noncoordinating anions that are surprisingly stable under high temperature olefin polymerization processes such that olefin copolymers having significant amount of incorporated comonomer can be prepared with high molecular weights. More specifically, the invention is a polymerization process for ethylene copolymers having a melt index of about 0.87 to about 0.930 comprising contacting, under homogeneous polymerization conditions at a reaction temperature at or above 140° C. to 225° C., ethylene and one or more comonomers capable of insertion polymerization with a bridged hafnocene catalyst complex derived from A) a biscyclopentadienyl hafnium organometallic compound having i) at least one unsubstituted cyclopentadienyl ligand or aromatic fused-ring substituted cyclopentadienyl ligand, ii) one aromatic fused-ring substituted cyclopentadienyl ligand, iii) and a covalent bridge connecting the two cyclopentadienyl ligands, said bridge comprising a single carbon or silicon atom; and B) an activating cocatalyst, precursor ionic compound comprising a halogenated tetraaryl-substituted Group 13 anion wherein each aryl substituent contains at least two cyclic aromatic rings.
Patent KR-20010106103-A (KR)
IPC: C04B35/00
Filed: 1998-04-20
Abstract: A mineral flaky filler for composites, produced by melting a starting mineral, shaping hard flaky vitreous particles from the melt, and subjecting such particles to thermochemical treatment in an oxidizing atmosphere until a crystal phase is developed. With an object of obtaining such a crystallinity-reactivity balance that would provide for quality consistant protective and ornamental coatings on large-size articles and structures preferably for use in the tropical climate and of producing a filler that would be commercially available at the step of the thermochemical treatment the flaky particles were treated at a temperature range of 680 to 850  DEG C until at least 12 % by weight of the crystal phase and at least 7x10<19>spin/cm<3> of reactive paramagnetic centers were developed, and followed by air cooling.
Patent KR-20010052545-A (KR)
IPC: C08K9/04
Filed: 1999-06-02
Abstract: A modified particle or aggregate is disclosed wherein a particle has an attached group having the formula: wherein the substituents are defined in the disclosure. Modified particles with attached polymers are also disclosed as well as methods of making the modified products.
Patent KR-20010053031-A (KR)
Title: 감수분열 조절 화합물
IPC: A61K31/575
Filed: 1999-06-18
Abstract: 3 위치에 히드록시기를 가지지않는 어떤 신규한 스테롤 유도체는 난모세포 및 남성 생식세포의 감수분열 조절을 위해 사용될 수 있다.
Patent KR-20010025648-A (KR)
Title: Internet advertisement by applying a bingo game
Inventor: LEE CHUL
Filed: 2001-01-13
Abstract: PURPOSE: The internet advertisement using a bingo game of a puzzle type is provided to supply a distinctive advertisement different from a banner advertisement by exposing an advertisement or an internet address to netizens while solving a bingo game. CONSTITUTION: An advertisement request company's server and home page transmit information on a company or a bingo game and output pictures and an internet address to a web browser. A bingo game server supplies a right to participate in a bingo game to members and connects a bingo game processing through a PC and a home page. A bingo game home page includes an internet web site, an inputting unit, and other information. A member DB saves a present state related to members. A rank managing DB saves rankings of bingo game participants and uses rankings as a basic data for giving a prize. A PC receives information on a bingo game from a home page of an advertisement request server of a bingo game.
Patent KR-20020061352-A (KR)
Title: Process-independent phase locked loop circuit capable of reducing locking time and locking control method thereof
Inventor: KOO GYE SU
IPC: H03L7/08
Filed: 2001-01-16
Abstract: PURPOSE: A phase locked loop(PLL) circuit and locking control method therefor is provided to generate an output having an accurate frequency together with reducing a locking time independent of manufacturing process and temperature effects. CONSTITUTION: A PLL circuit includes a phase frequency detector(31) for detecting a phase difference by comparing a phase of feedback signal with that of a reference signal, an electron pump(32) for pumping electrons in response to the output signals from the phase frequency detector(31), a loop filter(15) for filtering the output signals from the electron pump(32), a voltage control oscillator(VCO)(34) for varying the frequency of the feedback signals in response to the output signals from the loop filter(15), a register(35) for storing the digital signals, a digital-to-analog(DA) converter(36), a lock detector(37) for determining by receiving the output signals from the phase frequency detector(31) whether or not the feedback signals are locked with the reference signals and an analog-to-digital(AD) converter(38). The DA converter(36) controls the voltage level of the output signals from the loop filter(15) by converting the digital signals stored in the register(35). The AD converter(38) supplies the digital signals by converting the output signals from the loop filter(15) into the digital signals, which is activated when the lock detector(37) outputs a signal representing a status of locking.
Patent KR-20020062055-A (KR)
Title: Selective multichannel image transmission sysetm
Inventor: LEE DU CHEON
IPC: H04N7/18
Filed: 2001-01-19
Abstract: PURPOSE: A system for transmitting a selective multichannel video is provided to selectively display video signals inputted from many cameras on a monitor, to selectively transmit a self video signal to the other party, thereby enjoying other people's singing features in other rooms or other karaokes. CONSTITUTION: At least one cameras(10) are installed every karaoke room. Many video distributing devices(21, 22, 23) receive video signals from the cameras, and check states of the received video signals to selectively output normal video signals according to an input signal from outside. An operator server is connected to the video distributing devices to connect the video distributing devices to the Internet, and collects/arranges all the video signals of the cameras to make the video signals exchanged between the remote video distributing devices.
Patent KR-20020068111-A (KR)
Title: Ceramic Compositions of High Frequency Dielectrics Sintered at Low Temperature
Inventor: CHOI JI WON
IPC: H01B3/12
Filed: 2001-02-20
Abstract: PURPOSE: Provided is a microwave dielectric ceramic composition of the Ca((Li1/3Nb2/3)1-x Tix)O3-δ system having high dielectric constant, large Q value at high frequency, temperature coefficient of resonant frequency which is close to zero, and low temperature sintering. CONSTITUTION: The dielectric ceramic composition is expressed by a formula of Ca((Li1/3Nb2/3)1-x Tix)O3-δ, wherein x is in the range of x<=0.5 mole. Less than 2wt.%(based on the total composition) of B2O3 is added to the composition to lower sintering temperature. Materials in this composition have dielectric constant of 29.7-35.2, Qxfo of 12000-26000, temperature coefficient of resonant frequency(TCF) of -16.8¯0ppm/deg.C, and sintering temperature lower than 1000deg.C.
Patent KR-20020068919-A (KR)
Title: Loopback system using mach-zehnder modulator
Inventor: JEON KEAM SOO
IPC: H04B10/50
Filed: 2001-02-23
Abstract: PURPOSE: A loop-back system using a Mach-Zehnder modulator is provided to remove an optical source in a BS(Base Station) by receiving the optical source necessary for the BS from a CO(Central Office), modulating the optical source using the Mach-Zehnder modulator, and transmitting the modulated optical source to the CO. CONSTITUTION: A CO-side optical transmitting and receiving unit(300) modulates a downstream data transmission optical wavelength by an RF(Radio Frequency) provided from a CO-side RF transmitting and receiving unit(100), and transmits the modulated downstream data transmission optical wavelength to a BS side through an optical fiber without modulating an upstream data transmission optical wavelength. A BS-side optical transmitting and receiving unit(400) demodulates the downstream data transmission optical wavelength transmitted from the CO-side optical transmitting and receiving unit(300) to an RF signal, modulates the upstream data transmission optical wavelength using a Mach-Zehnder modulator by an RF signal provided from a BS-side transmitting and receiving unit(200), and transmits the modulated upstream data transmission optical wavelength to a CO side.
Patent KR-20010087295-A (KR)
Title: Semiconductor device manufacturing method
Inventor: KAWANO YUMIKO
IPC: H01L23/522
Filed: 2001-03-02
Abstract: PURPOSE: A method for manufacturing semiconductor devices is provided to improve the adhesion property of interlevel insulating films as favorably maintaining the trench covering property and the barrier property for tungsten-based material. CONSTITUTION: At first, an interlevel insulating film is formed on a silicon substrate(101). A trench is formed in the(102). Next, a lower underlying film(104) made of a tungsten-based material is formed by thermal chemical vapor deposition to cover a bottom surface and side surface of the trench. An upper underlying film(105) made of a tungsten-based material is formed by thermal chemical vapor deposition on an entire region on the lower underlying film(104). A copper film(106) made of copper fills the trench. The upper underlying film(104) is formed in accordance with thermal chemical vapor deposition by supplying a tungsten source gas and the other source gas such that the other source gas is supplied in an amount larger than that of the tungsten source gas. The lower underlying film(104) is formed in accordance with thermal chemical vapor deposition by increasing a content of the tungsten source gas to be larger than to that of the other source gas in formation of the lower underlying film(104).
Patent KR-20020070735-A (KR)
Title: Apparatus of Monitor Power LED Auto On/Off Circuit
Inventor: LEE SANG DONG
IPC: H04N5/63
Filed: 2001-03-03
Abstract: PURPOSE: A circuit for automatically turning on/off a power LED of an image display device is provided to automatically turn on/off the power LED of a monitor when a computer is turned on/off. CONSTITUTION: A circuit for automatically turning on/off a power LED of an image display device includes the first inverter(301) for receiving DDC data, the first integrator(302) connected to the output of the first inverter, the second inverter(303) for receiving a DDC clock, and the second integrator(304) connected to the output of the second inverter. The circuit further includes NAND gate(305) for receiving the outputs of the integrators and a DPM-off signal, and a transistor(306) connected to the output of the NAND gate and an LED indicating power on/off state of the image display device.
Patent KR-20020071533-A (KR)
Title: Wrapping box for video cassette recorder set
Inventor: NA CHAE MAN
IPC: B65D81/02
Filed: 2001-03-07
Abstract: PURPOSE: Provided is a packing box for VCR set which adheres a shock absorption member together in the production process of the packing box without a separate adhesion process so that it simplifies the packing process. CONSTITUTION: In the packing box for VCR set which is folded and formed in a rectangular parallel piped form with including the open reception space, which is opened or closed by a first and a second cover, the packing box for VCR set is characterized by adhering the shock absorption member to the internal wall of the first cover(114), the second cover(116) and the reception space(118) respectively.
Patent KR-20020072902-A (KR)
Title: Door closer rack with back check valve
Inventor: CHOI DONG SU
IPC: E05F3/04
Filed: 2001-03-13
Abstract: PURPOSE: A rack of a door closure having a back check valve is provided to prevent an impact on the backside of a door. CONSTITUTION: The rack of a door closure having a back check valve comprises the steps of: forming a piston ring(12) formed on both ends of a steel bar; cutting and forming a rack gear(14) on one end of the steel bar; boring a spring insertion hole(16) along the central axis of the steel bar to the appointed depth from one end; forming check valves by boring a perforated hole(18) passing through the other end from the spring insertion hole(16), forming an expanded part(19) on both ends of the perforated hole, then interposing a check ball(23) to the expanded part(19); and boring a perforated hole(17) between piston rings to pass through the perforated hole(18).
Patent KR-20010098833-A (KR)
Title: 칩 형 전자 부품 및 그 제조 방법 및 그 제조에 사용하는유사 웨이퍼 및 그 제조 방법
IPC: H01L21/56
Filed: 2001-04-24
Abstract: 반도체 칩을 제조하는 방법에 있어서, 처리 전에 점착 강도를 유지하고, 상기 처리 이후에는 상기 점착 강도를 잃는 특성을 갖는 점착 물질을 기판상에 장착하는 단계; 전극 표면을 아래로 향하게 하여 상기 점착 물질 상에 다수 개의 및/또는 다수의 다른 종류의 반도체 칩을 고정하는 단계; 상기 다수 개의 및/또는 상기 다수의 다른 종류의 반도체 칩의 전체 영역 및 그 사이의 공간을 보호 물질로 코팅하는 단계; 상기 점착 물질의 상기 점착 강도가 약해지도록 상기 점착 물질에 소정의 처리를 인가하는 단계; 상기 보호 물질로 덮여진 상기 다수 개의 및/또는 상기 다수의 다른 종류의 반도체 칩을 접합하는 유사 웨이퍼를 박리하는 단계; 및 다수의 무결점 베어 칩을, 각각의 무-결점 베어 칩 사이의 수지의 위치에서 유사 웨이퍼를 자름으로서, 이산 무결점 전자 부품으로 절단되는 단계를 포함한다.