baber/WOPTO huggingface dataset:
Patent KR-870000634-B1 (KR)
Title: X-ray diagnostic apparatus
Inventor: ASAHINA HIROSHI
IPC: G01N23/04
Filed: 1984-09-25
Granted: 1987-04-03
Abstract: Frame memories store information of an image to be displayed. A block memory divides the stored information into a given number of information blocks and does the vice versa. A micro-computer circuit automatically determines the desired value of each level and the width according to given contents of the divided information blocks. An image emphasis circuit is provided for windowprocessing information of the image to be displayed according to the determined value of each level and width.
Patent KR-910008625-B1 (KR)
Title: Process for the biotechnologoical proparation of poly - d - ( - ) - 3 - hydroxybutyric acid
Inventor: LAFFERTY ROBERT M
IPC: C12P7/62
Filed: 1984-11-30
Granted: 1991-10-19
Abstract: The present invention relates to a process for the biotechnological preparation of poly-D-(-)-3-hydroxybutyric acid (PHB) which comprises continuously culturing a microorganism that is a strain of Alcaligenes latus or a PHB-producing mutant thereof, in two separate successive fermentation stages with unrestricted supply of nutrients. The PHB-containing microorganism population cultured in the first stage with a dissolved oxygen content of 25 to 50% of the saturation value for air is then continuously transferred into a second fermentation stage in which the culture is continued at a dissolved oxygen content of 8-15% of the saturation value of air. The PHB is extracted in the usual manner from the biomass thereby obtained.
Patent KR-930000064-B1 (KR)
Inventor: SASAKI SHIN
IPC: G11B23/087
Filed: 1984-12-12
Granted: 1993-01-08
Abstract: 내용 없음.
Patent KR-910003764-B1 (KR)
Inventor: TANAKA TADAO
IPC: B60G11/26
Filed: 1985-08-09
Granted: 1991-06-12
Abstract: 내용 없음.
Patent KR-880002661-B1 (KR)
Title: Data automatic switch circuit
Inventor: LEE SONG-HWA
IPC: G06F13/38
Filed: 1985-08-23
Granted: 1988-12-17
Abstract: The circuit for communicating with different type MODEMS consists of a MODEM circuit (10), and an automatic data way switching circuit (20).  The MODEM circuit includes a microprocessor (U1), an I/O port (U0) connected to a computer, a pulse and touch tone circuit (U2), a low-speed MODEM (U3), a high-speed MODEM (U4), and an I/O control circuit (U7).  The switching circuit includes multiplexer (U5, U6) controlled by the microprocessor (U1).
Patent KR-890000803-B1 (KR)
Title: Developer for developing positive photoresist
Inventor: LEWIS JAMES
IPC: G03C1/72
Filed: 1985-10-15
Granted: 1989-04-07
Abstract: An exposed positive radiation-sensitive resist film comprising quinone diazide sulphonic acid derivs. and alkali soluble resin, coated on a suitable substrate, is developed to form a surface relief pattern by contacting the exposed film with an aq. alkaline developer soln. contg. at least 0.0001 wt.% of a carboxylated surfactant of formula, R-O-(C2H4O)N-CH2COOX (I) (in which, R is 6-18C linear or branched hydrocarbon, n=1-24, X=H+, Na+, K+  or K+) until the exposed portions of the film are at least partially dissolved.  Pref. the developer comprises aq. NaOH or KOH and contains 0.0005-0.5 wt.%, esp. 0.001-0.1% of the (I). Pref. the PH is above about 10.5.
Patent KR-930007536-B1 (KR)
Title: Dry food product reconstitutable with cold or hot aqueous liquid & a process for making same
Inventor: GILTENBERG DETLEV
IPC: A23L19/00
Filed: 1986-02-21
Granted: 1993-08-12
Abstract: A dry food product reconstitutable with cold or hot aqueous liquid to a pulpily structured fruit sauce, soup, juice, compote, concassée, savoury vegetable-containing soup or snack meal containing added starch and, optionally, further consistency - and/or structure-imparting components as well as at least one taste-and/or flavor imparting dry vegetable and/or fruit component (fruit substance), is characterized in that the added starch consists at least partially of cold-swelling leguminous pre-gelatinized starch.
Patent KR-930003933-B1 (KR)
Inventor: SHIRAI TAKAAKI
IPC: B26D5/00
Filed: 1986-10-31
Granted: 1993-05-17
Abstract: 내용 없음.
Patent KR-900001056-B1 (KR)
Title: Florescent lamp
Inventor: DAKAKI MASAMI
IPC: H01J61/52
Filed: 1986-11-29
Granted: 1990-02-26
Abstract: The fluorescent lamp includes a bulb defining a discharge channel, and a pair of discharge electrodes provided at both ends of the bulb.  Each electrode has a pair of leads, a filament mounted between the leads, and rod-like auxiliary electrodes protruding from the leads, respectirely.  Each auxiliary electrode extends beyond the filament in the electron discharge direction of the discharge electrodes. Each auxiliary electrode is constructed so as to satisfy the equation Q/IL greater than or equal to 1 x 10 power-2 where Q is heat capacity of auxiliary electrode and IL is lamp current.  Each of the auxiliary electrodes protrudes beyond the filament by approximately 4mm.
Patent KR-920010242-B1 (KR)
Inventor: SHIGEKI AOKI
IPC: A47F3/04
Filed: 1986-12-04
Granted: 1992-11-21
Abstract: 내용 없음.
Patent KR-900006538-B1 (KR)
Inventor: NESLER JOHN J
IPC: H02M3/156
Filed: 1985-04-04
Granted: 1990-09-07
Abstract: 내용 없음.
Patent KR-900003703-B1 (KR)
Title: Baby carriage
Inventor: KASSAI KENZOU
IPC: B62B7/08
Filed: 1987-03-28
Granted: 1990-05-30
Abstract: The baby carriage has a pair of front legs (3,4) and a pair of rear legs (7,8) connceted by pivot pins (21,22) and having resp. wheels. A pair of seat support rods (9,10) are rotatably connected to the rear legs and a pair of seat suspension rods (11,12) are connected to the seat support rods. The front legs, rear legs, seat support rods, suspension rods, push rods and a lateral connector (15,16,17) are sized so that, when the carriage is folded, the rear wheels are moved toward the front wheels. When fully folded, the front and rear wheels are on the same level.
Patent KR-950004426-B1 (KR)
Inventor: DAKEDA MITSUHIKO
IPC: A23K10/33
Filed: 1987-04-20
Granted: 1995-05-01
Abstract: 내용 없음
Patent KR-940002554-B1 (KR)
Inventor: SUZUKI YUJI
IPC: C08F20/58
Filed: 1987-04-25
Granted: 1994-03-25
Abstract: 내용 없음.
Patent KR-940010588-B1 (KR)
Inventor: YAMAKAWA MASAMI
IPC: G01J1/02
Filed: 1987-05-04
Granted: 1994-10-24
Abstract: 내용 없음.
Patent KR-890004710-B1 (KR)
Title: Method and apparatus for regeneration of ion-exchange resin in mixed-bed ion-exchanger
Inventor: CHONG JIN-IL
IPC: B01J49/00
Filed: 1987-06-25
Granted: 1989-11-25
Abstract: Mixed ion exchange resin of cation and anion exchange resins is mixed with the activated ion exchange resin of cation and anion exchange resins, which is for intermediating, at the ratio of 1:0.15 wt. volume.  The separation and regeneration of the mixed resin is carried out in the tower.  The top chamber of the tower separates the mixed exchange resin and regenerates the cation exchage resin in backwashing.  The bottom chamber of the lower stores the intermediated resin.
Patent KR-930008359-B1 (KR)
Inventor: NAGAI YUDAKA
IPC: H01S5/323
Filed: 1987-09-08
Granted: 1993-08-30
Abstract: 내용 없음.
Patent KR-900009144-B1 (KR)
Inventor: SHIMURA YUKIHIRO
IPC: H04W52/00
Filed: 1987-10-30
Granted: 1990-12-22
Abstract: 내용 없음.
Patent KR-960007087-B1 (KR)
Title: Crystalline quinapril and the process for producing the same
Inventor: GOEL OM PRAKASH
IPC: C07D217/26
Filed: 1988-03-30
Granted: 1996-05-27
Abstract: A novel crystalline form of quinapril and a novel process for the large scale preparation of the ACE inhibitor, quinapril, in a highly pure state. The substance is of high bulk density suitable for formulation in capsules and tablets. This inexpensive process uses HCl gas in glacial acetic acid for rapid and clean de-t-butylation at room temperature.
Patent KR-920003979-B1 (KR)
Inventor: SINOJAKI GAZUSI
IPC: B26D7/08
Filed: 1988-11-30
Granted: 1992-05-21
Abstract: 내용 없음.
Patent KR-910009865-B1 (KR)
Title: Conductive combustion retardation resin composition
Inventor: LEE BONG-KEUN
IPC: C08L51/04
Filed: 1988-12-29
Granted: 1991-12-03
Abstract: The resin compsn. comprises (A)  10-96.5  wt.%  of  the  base resin, (B) 1-20 wt.% of the fire retardant epoxy  resin  (I),  (C) 0.5-10 wt.% of antimony trioxide, and (D) 2-60 wt.% of the  carbon fiber. The base resin (A) comprises; 100 wt. pts. of the  styrenic resin comprising 5-95 wt. pts. of the graft copolymer (A-1) prepd. by polymerizing  one  or  more  monomer  selected  from  aromatic monoalkenyl,  vinyl  cyanide,  (meth)acrylic  acid   alkyl   ester monomer, maleic acid anhydride or N-subsfd. maleimide,  with  dien rubber component or alkyl acrylate rubber component, and 95-5  wt. pts. the coplymer (A-2) obtd. by copolymerizing the said monomers; and 0.1-100 wt. pts. of the aromatic polycarbonate resin (A-3).
Patent KR-970008217-B1 (KR)
Title: Recombinant vaccine
Inventor: RAMSHAW IAN ALLISTER
IPC: C12N15/00
Filed: 1987-07-31
Granted: 1997-05-22
Abstract: A recombinant vaccine comprises a vaccine vector which incorporates a first nucleotide sequence capable of being expressed as all or a part of an antigenic polypeptide, together with a second nucleotide sequence capable of being expressed as all or a part of a lymphokine effective in enhancing the immune response to the antigenic polypeptide. The vaccine vectors include poxvirus, herpes virus or adenovirus, and the lymphokine may be an interleukin or gamma-interferon. The vaccine vector may express an antigenic polypeptide which is foreign to the host vector.
Patent KR-970002023-B1 (KR)
Title: Continuous process for the dryslaking of lime
Inventor: WENZEL VON
IPC: B01D53/81
Filed: 1989-03-02
Granted: 1997-02-21
Abstract: The dry slaking of lime is carried out continuously in a vessel from which an exhaust gas is removed. Hot gas, preferably a flue gas to be desulfurized, is added to the exhaust gas to prevent it from contacting the inner surface of the exhaust gas duct and thereby reduce the tendency for deposits in lines traversed by the exhaust gas.
Patent KR-930012044-B1 (KR)
Inventor: BICSON BENJAMIN
IPC: B01D63/02
Filed: 1989-04-21
Granted: 1993-12-23
Abstract: 내용 없음.
Patent KR-0143916-B1 (KR)
Title: Method for reducing skin irritation associated with drug/penetration enhancer compositions
Inventor: PATEL DINESH C
IPC: A61K47/10
Filed: 1989-08-12
Granted: 1998-07-15
Abstract: A composition and method for reducing the skin irritation properties of a transdermal drug/enhancer composition which comprises incorporating into said composition, either prior to or at the time of application the skin, an effective amount of glycerin. When incorporated into the drug/enhancer composition prior to application to the skin the glycerin content will be between about 0.1 and 70 wt.%, preferably between about 1.0 and 50 wt.% and most preferably between about 5.0 and 20 wt.% of the composition.
Patent KR-0131760-B1 (KR)
Inventor: HELMUT ANTON MOSER
IPC: C09B62/00
Filed: 1989-09-28
Granted: 1998-04-13
Abstract: 내용없음.
Patent KR-920006596-B1 (KR)
Title: Magneto-optical recording medium and manufacturing method thereof
Inventor: JO YUNG-KUK
IPC: G11B11/10
Filed: 1989-10-31
Granted: 1992-08-10
Abstract: The photomagnetic recording media are produced by (A) forming nitride interfeting layer (14) on polycarbonate circular substrate (1), (B) forming recording layer (15)  of  vertically  magnetizing film of amorphous metal having two axes for vertical magnetization on the substrate, (C) forming on (15) a protecting film layer (16) of metal oxide, nitride or sulfide, (D) forming uneven parts  (18) on the protecting film layer by  plasma  etching  the  surface  of (16), and (E) coating thereon with photocurable resin.  Especially the protecting film layer (16) is composed of AlN, Si3N4,  ZnS  or SiO2.
Patent KR-960010133-B1 (KR)
Inventor: OZAWA OSAMU
IPC: C08K3/22
Filed: 1989-11-13
Granted: 1996-07-26
Abstract: 없음.
Patent KR-930007088-B1 (KR)
Inventor: TSUKUSHI MASANORI
IPC: H01H33/915
Filed: 1989-11-14
Granted: 1993-07-29
Abstract: 내용 없음.
Patent KR-920006946-B1 (KR)
Title: Vertical-sync signal auto-control circuit
Inventor: PARK TAE-JIN
IPC: H04N5/12
Filed: 1989-12-19
Granted: 1992-08-22
Abstract: The automatic control circuit comprises an input unit (8) for converting a vertical sync. signal (VS) applied from the  external to a  positive  sync.  signal  a  proportion  oscillator  (9)  for providing  a  triggered   signal,   a   discriminator   (10)   for discriminating  the  input  of  the  vertical  sync.  signal,   an oscillation stop controller (11) for controlling a vertical  sync. oscillator (1) and a ramp generator (5) for normalising an  output waveform of the vertical sync.  signal  controller.  The  vertical sync. signal of which  frequency  is  the  same  as  that  of  the external vertical sync. signal as a trigger and be independent  of a frequency range and a surrounding temperature.
Patent KR-940011132-B1 (KR)
Inventor: IGUCHI HIROYUKI
IPC: A01N37/30
Filed: 1989-12-21
Granted: 1994-11-23
Abstract: 내용 없음.
Patent KR-930001943-B1 (KR)
Inventor: MAEDA KATSUAKI
IPC: C08L33/10
Filed: 1990-02-16
Granted: 1993-03-20
Abstract: 내용 없음.
Patent KR-930007795-B1 (KR)
Inventor: TANAKA TATSUO
IPC: H03F3/45
Filed: 1990-02-20
Granted: 1993-08-19
Abstract: 내용 없음.
Patent KR-100198173-B1 (KR)
Inventor: EARLE THOMPSON E
IPC: H04N9/31
Filed: 1990-02-26
Granted: 1999-06-15
Abstract: 내용없음.
Patent KR-0167109-B1 (KR)
Inventor: DARSEV RALPH JOEL
IPC: G02B6/44
Filed: 1990-02-28
Granted: 1999-04-15
Abstract: 내용 없음.
Patent KR-0136579-B1 (KR)
Inventor: JUNG JONG-KOO
IPC: C08J5/18
Filed: 1990-04-14
Granted: 1998-04-25
Abstract: 요약없음
Patent KR-100188238-B1 (KR)
Title: Crt beam control circuit
Inventor: SENDELWECK GENE KARL
IPC: H04N5/68
Filed: 1990-04-17
Granted: 1999-06-01
Abstract: This invention relates generally to the field of circuits for controlling the beam currents conducted in cathode ray tubes in television receivers, with important use for preventing warping or blistering of the shadow mask used in conjunction with cathode ray tubes for color television receivers, due to heating from localized and intense peak beam currents. An anti-blister circuit comprises a first detector (Q1,R1,R2,R3) for detecting amplitude excursions of a signal with luminance information beyond a white level threshold during each horizontal scan. This enables the circuit to be more sensitive by responding to excursions occurring during each horizontal scanning line. A first timer (C1,R5), responsive to the first detector, provides a first control signal related to a minimum duration of each amplitude excursion of the signal beyond the threshold. This enables the circuit to avoid controlling beam current, for example by reducing contrast, responsive to signal peaks which are too short to cause blistering or warping. Finally, a switch (Q2) and second timer (C2,R6), responsive to the first control signal, provide a second control signal which falls at a first rate to reduce beam current, for example by reducing contrast, during each minimum duration amplitude excursion; and, which rises at a second rate to permit the beam current to increase after termination of the amplitude excursion, until the next minimum duration excursion. The time constant for the second rate is much greater than the time constant of the first rate.
Patent KR-920007118-B1 (KR)
Title: Manufacturing method of molding for precision fine line circuit
Inventor: SUZUKI YOSHIHAKU
IPC: C23C14/20
Filed: 1990-07-03
Granted: 1992-08-24
Abstract: A molding capable of forming a precision fine-line circuit by the subtractive method is produced from a liquid-crystal polyester resin composition comprising a melt-processable polyester (liquid-crystal polyester) capable of forming an anisotropic molten phase and an inorganic filler added thereto, the molded composition is etched and a metallic coating is then formed on the etched surface by sputtering, ion plating or vacuum deposition.
Patent KR-100195388-B1 (KR)
Inventor: SAKATA KASUHIRO
IPC: G05B23/02
Filed: 1990-07-11
Granted: 1999-06-15
Abstract: 본 발명은 컴퓨터를 사용하여 에스컬레이터, 전동통로 등의 승객 콘베어를 제어하는 장칭에 관한 것이다. 
     본 발명의 제어장치는 콘베어의 이상, 고장을 검출하는 수단에 의해 상기 이상, 고장이 검출되면, 컴퓨터의 출력신호를 고장, 이상을 검출한 시점의 신호상태로 유지하는 출력수단을 구비하고 있다. 
     그것에 의해, 컴퓨터가 고장, 이상으로 되어도, 승객콘베어의 운전, 구동은 계속되어 승객이 승객콘베어에 타고 있어도 넘어지는 일이 없다.
Patent KR-0153270-B1 (KR)
Inventor: MILLER STEVEN J
IPC: C08K3/22
Filed: 1990-08-25
Granted: 1998-12-01
Abstract: 내용 없음.
Patent KR-920007162-B1 (KR)
Title: Method and reagent for measuring antibody excluding nonspecific adsorption
Inventor: SAWADA DAKASHI
IPC: G01N33/569
Filed: 1990-09-03
Granted: 1992-08-27
Abstract: The assay method comprises the steps of adding a serum specimen to a solid phase at a pH value of 9 to 10 and assaying an antibody in the specimen. The antibody may be adult T cell leukemia virus antibody (HTLV-I antibody).
Patent KR-100235264-B1 (KR)
Title: Disk drive apparatus
Inventor: MOREHOUSE JAMES H
IPC: G11B5/55
Filed: 1990-11-06
Granted: 1999-12-15
Abstract: The present invention provides a disk drive apparatus for use in computer systems and especially in computer systems where size and weight are of paramount concern, such as lap top computer systems. The preferred embodiment of the disk drive apparatus includes a 63.5mm (2.5") magnetic disk that preferably provides 20 to 40 megabytes of storage within a foot print area of approximately 71.1 mm (2.8 inches) by approximately 101.6mm (4.0 inches). Further, the disk drive apparatus possesses a height dimension of 16.0mm (0.630 inch) or less. This height dimension is achieved, in part, by providing a low profile spin motor to rotate the magnetic disk. The low profile spin motor uses high energy magnets that are preferably made of a material that includes a rare earth, such as neodymium or samarium. The disk drive apparatus also employs a rotary actuator having a voice coil assembly of reduced height that is achieved by using the housing as a flux return path for magnet fields produced by the voice coil assembly. The present invention also provides an improved ambient filter that reduces the penetration of ambient water vapour into the housing of the disk drive apparatus. An improved desiccant located, at least in part, within the housing is also provided by the present invention.. Additionally, the invention provides a flex circuit having a geometry that results in substantially zero torque applied to the rotary actuator. Also provided is a distributed frame apparatus that, besides connecting the housing to a printed circuit board, also provides side, top and/or bottom mounting capability and shock absorbing capability. The distributed frame also avoids the need for grounding.
Patent KR-950000638-B1 (KR)
Title: Process for the manufacture of 1,4-bis(4-fenoxibenzoyl)benzene with certain metal-containing catalysts
Inventor: CORBIN DAVID RICHARD
IPC: C07C45/46
Filed: 1990-01-31
Granted: 1995-01-26
Abstract: 1,4-Bis(4-phenoxybenzoyl)benzene is made in a homogeneous or heterogeneous system by a reaction of diphenyl ether with 1,4-benzenedicarbonyl chloride at 220 DEG -258 DEG  C. in the presence of certain iron, gallium, and indium compounds in catalytic amounts. The mole ratio of diphenyl ether to 1,4-dicarbonyl chloride is 5:1 to 25:1 and the mole ratio of 1,4-benzenedicarbonyl chloride to the catalyst is 1000:1 to 10:1.
Patent KR-940002879-B1 (KR)
Title: Strove pulse control circuit in led printer
Inventor: KO KYONG-CHANG
IPC: B41J2/45
Filed: 1991-01-16
Granted: 1994-04-06
Abstract: The circuit comprises a microcomputer for controlling the overall operation of the system and outputting a strobe starting signal to an output port, pulse width generating means for counting the strobe starting signal of the microcomputer and generating a strobe pulse width, time interval generating means for receiving the output of the pulse width generating means and generating the time interval between strobe signals, and strobe signal generating means for receiving the strobe starting signal of the microcomputer and the output of the time interval generating means and outputting a final strobe signal, thereby preventing crosstalk between strobe signals.
Patent KR-940002423-B1 (KR)
Inventor: TANIMOTO KUMIKO
IPC: G03G15/00
Filed: 1991-01-18
Granted: 1994-03-24
Abstract: 내용 없음.
Patent KR-930004769-B1 (KR)
Title: Apparatus for measuring volume flow
Inventor: KIM DONG-KI
IPC: G01F1/56
Filed: 1991-02-05
Granted: 1993-06-05
Abstract: The device for  measuring  oil  or  water  flow  comprises  a section (11) for detecting the rotation of rotary fan (1-1) by the flow,   a  waveform   shaping   section   (2)   for    generating rectangular- wave pulse from the rotation detecting section (1),  a section (3) for converting the output  of  the  section  (2)  into suitable level to recognize the micom, a timer  (4)  for  counting the integer in accordance with the level converting section (3), a section (6) for displaying flow velocity, and the micom  (5).  The rotation detecting section (1) includes a permanent  magnet  (1-2) at the fan (1-1) part rotated by the flow and detects  the  action condition by the magneto resistive device (1-3).
Patent KR-950010698-B1 (KR)
Inventor: PETERSON STANLEY P D
IPC: F41F3/00
Filed: 1991-03-27
Granted: 1995-09-21
Abstract: 내용 없음.
Patent KR-0179013-B1 (KR)
Inventor: YUN DOO-HYUB
Filed: 1991-04-06
Granted: 1999-04-15
Abstract: 에피택셜 성장 및 포토공정의 안정성을 도모하기 위한 반도체 레이저 다이오드의 제조방법에 관한 것으로, 반도체 레이저 다이오드의 제조공정에 있어서, GaAs 기판 상에 H 2 SO 4 계 식각용액을 이용해 [Oli] 방향으로의 메사층을 형성하는 식각공정과 1H 2 SO 4 : 3H 2 O 2 : 7C 2 H 4 OH인 H 2 SO 4 계 식각용액을 이용해 [Oll] 방향으로의 메사층을 형성하는 식각공정으로 진행하여 [Oll][Oli] 방향 모두 V형상을 가지는 메사층을 형성시키는 것을 특징으로 한다. 
     서로 다른 W%를 갖는 식각용액으로 이중식각하여 DH의 에피택셜층의 성장시 섬형상의  메사에 발생되는 예각부분을 없앰으로써 그위에 성장되는 에피택셜층이 연속성과 균일성을 갖게되는 이점이 있다. 
     또한, 포토레지스트의 접착도의 저하로 인한 포토레지스트의 패턴이 찌그러지지 않게 되어 새로운 모양의 구조패터닝이 용이하게 실시될 수 있다.
Patent KR-930007153-B1 (KR)
Inventor: SAGIYAMA MASARU
IPC: C25D5/00
Filed: 1991-05-06
Granted: 1993-07-30
Abstract: 내용 없음.
Patent KR-100215907-B1 (KR)
Inventor: SONN MOON-SIK
IPC: H01L29/80
Filed: 1991-05-22
Granted: 1999-08-16
Abstract: 결함을 방지하기 위해 열처리공정을 이용한 제너다이오드 제조방법에 관한 것으로, 그 제조방법은 n형 반도체기판상에 배리어산화막을 성장시키고 제너영역이 노출되도록 마스크 패턴을 형성하는 공정과, 상기 마스크 패턴을 마스크로 노출된 제너영역에 붕소를 이온주입하는 공정과, 상기 마스크 패턴과 상기 배리어산화막을 제거하는 공정과, 필드영역을 제외한 상기 반도체기판상에 질화막 패턴을 형성하는 공정과, 질소가스 분위기하에서 상기 반도체기판을 열처리하는 공정과, 상기 필드영역에 필드산화막을 성장시킨 후 남아 있는 상기 질화막 패턴을 제거하는 공정으로 이루어짐을 특징으로 한다.
Patent KR-940003220-B1 (KR)
Title: Making method for segregation area of semiconductor device
Inventor: LEE YONG-HUI
IPC: H01L21/76
Filed: 1991-09-03
Granted: 1994-04-16
Abstract: depositing a pad oxide layer, a polysilicone layer and a nitride layer; coating a photoresist and etching a device region from the device isolation region; oxidizing said etched device isolation region to form a field oxide layer; coating photoresist on the whole surface; patterning said photoresist by photolithography to form an opening portion on said field oxide layer and etching back said field oxide layer to a predetermined thickness; depositing an oxide layer or BPSG layer on said field oxide layer and injecting impurities into said device isolation region for a channel stopper by ion injecting method; etching said oxide layer or BPSG layer, stripping said nitride layer, polysilicone layer and partial etching the field oxide layer, thereby preventing diffusion of impurities and improving isolation characteristics between devices.
Patent KR-100226027-B1 (KR)
Inventor: TSUTSUMI YUKIO
IPC: B24B37/30
Filed: 1991-11-30
Granted: 1999-10-15
Abstract: 본 발명은 실리콘 웨이퍼의 폴리싱장치에 사용되는 캐리어 플레이트에 웨이퍼를 접착하는 방법 및 그 장치에 관한 것이며, 웨이퍼를 캐리어 플레이트 표면에 접착할 때 왁스의 두께를 얇고 균일하게 하여 딤플(dimple)현상을 감소시키는 동시에 양호한 평탄도를 얻는 것과 이 접착장치에의 캐리어 플레이트, 웨이퍼, 웨이퍼캐리어의 공급 및 방출을 자동화시키는 것을 목적으로 하여, 상기한 목적을 달성하기 위하여 상면에 접착제가 부착된 웨이퍼를 상기한 접착제의 도포면을 상향으로 하여 캐리어 플레이트의 하방에 배치하고, 웨이퍼의 상면과 캐리어 플레이트의 하면을 서로 대향하는 위치에 배치함과 아울러, 이들을 대기압 이하의, 압력환경하에 두는 스텝과, 상기한 웨이퍼를 상승시켜 캐리어 플레이트에 접착하는 스텝과, 서로 접착된 웨이퍼와 캐리어 플레이트의 주위 압력을 상승시키는 스텝에 의하여 웨이퍼를 캐리어 플레이트에 접착하는 것을 특징으로 한다.