baber/WOPTO huggingface dataset:
Patent KR-900006828-B1 (KR)
Title: Skin care cream composition for protecting polution of agricultural medicines
Inventor: NAM SHANG-IN
IPC: A61Q19/00
Filed: 1988-04-11
Granted: 1990-09-22
Abstract: A compsn., for application to the skin in the form of cream to safegnard against agricultural chemicals, comprises 10-90 wt.% of oil soluble ingradient (I) 0.5-10 wt.% of oil soluble polymer (II) and 1- 10 wt.% of water solubel polymer (III). (I) is pref. liquid paraffin, vaselline, methylpolysiloxane, etc. (II) is pref. alkylate polyvinylpirrolidone, polyethylene wax, polybutene, etc. (III) is pref. copolymer of vinylacetate/crotonic acid, vinylpirrolidone/ vinylacetate, etc. The compsn. is used as a barrier cream and to protect exposed areas of the body against the effect of agricultural chemicals.
Patent KR-900005105-B1 (KR)
Title: A composition for lubricant and a fluid for moving
Inventor: SATO YOSIYUKI
IPC: C10M107/50
Filed: 1988-04-12
Granted: 1990-07-19
Abstract: A lubricating compsn. comprises (A) 100 pts. wt. of polyorganosiloxane having a viscosity of 50 cSt or more at 25 deg. C, an organic gp. bonded to an Si-atom being a monovalent hydrocarbon gp. contg. no aliphatic unsatd. bonding, and (B) 0.01-20 pts. wt. of polymethylsilsesquioxane powder having an average particle size of 0.05-50 microns. Pref. (A) is a linear polydiorganosiloxane, esp. a polymethylphenylsiloxane or polydimethylsiloxane. The hydraulic fluid has an excellent shearing- and heat-resistance and is useful e.g. in a viscous coupling. The compsn. has an excellent lubricity and heat resistance.
Patent KR-930004548-B1 (KR)
Inventor: YAMADA MORIO
IPC: F17C9/00
Filed: 1988-04-13
Granted: 1993-06-01
Abstract: 내용 없음.
Patent KR-910009287-B1 (KR)
Inventor: YOSHIDA GEIIZIRO
Filed: 1988-05-02
Granted: 1991-11-08
Abstract: 내용 없음.
Patent KR-920004879-B1 (KR)
Inventor: YANAKISAWA SYOJO
IPC: F02M13/02
Filed: 1988-05-11
Granted: 1992-06-19
Abstract: 내용 없음.
Patent KR-910004512-B1 (KR)
Inventor: ARINO DADEO
IPC: H05K1/18
Filed: 1988-07-30
Granted: 1991-07-05
Abstract: 내용 없음.
Patent KR-910003303-B1 (KR)
Title: Channel data detecting system in digital exchange
Inventor: KWON HUN-CHUL
IPC: H04M3/22
Filed: 1988-09-29
Granted: 1991-05-25
Abstract: The circuit separates the 8 bit voice and data bits from  the channel data of the  digital  exchanger.  In  case  of  the  voice signal, the data level is measured by hearing, but the non-audible data is displayed with 16 bit so that the digital  signal  process can be tested easily. The circuit includes a channel selector (11) selecting the desired channel from 32 channels, a channel  decoder (12) decoding  the  selected  channel  signal,  a  serial/parallel converter (13) converting  the  serial  channel  data  to  16  bit parallel one, a parallel/serial converter (15)  converting  the  8 bit voice and non-voice data  to  serial  one,  and  an  impedance matching circuit (17) matching the impedances between  the  output of a D/A converter (16) and a tester (2).
Patent KR-970007114-B1 (KR)
Inventor: WOOD THOMAS E
IPC: H01L21/316
Filed: 1988-09-30
Granted: 1997-05-02
Abstract: 내용없음
Patent KR-910000015-B1 (KR)
Title: Super heat resisting and wear resisting alloy
Inventor: CHO YOUG-JONG
IPC: C22C38/22
Filed: 1988-10-08
Granted: 1991-01-19
Abstract: Alloy consists of 0.7-1.5 wt.% C, up to 2.0 wt.% Si,  0.5-2.5 wt.% Cr,      2.5-5 wt.% Mo, 15-25 wt.% W, 1.0-2.0 wt.% V, 0.5-2.0 wt.% Co, 0.2-1.2  wt.%   Ni,  0.4-1.0  wt.%  Ti,  balance  Fe  and inevitable impurities. The alloy has strenyth  and  toughness   at high-temperature and tolerates the high load resulting from high- speed rolling, and it also has exceelent heat resistance and wear resistance.
Patent KR-920004251-B1 (KR)
Inventor: LEE KI-SEOK
IPC: H04N5/213
Filed: 1988-11-30
Granted: 1992-05-30
Abstract: 내용 없음.
Patent KR-910010095-B1 (KR)
Inventor: SCHMIDT ROBERT J
IPC: C10G25/00
Filed: 1988-12-31
Granted: 1991-12-16
Abstract: 내용 없음.
Patent KR-910004826-B1 (KR)
Inventor: YAMAMOTTO YOCHOO
IPC: F16F1/36
Filed: 1988-01-29
Granted: 1991-07-13
Abstract: 내용 없음.
Patent KR-950004036-B1 (KR)
Inventor: IGARASHI HIDEO
IPC: B01J31/02
Filed: 1989-05-16
Granted: 1995-04-22
Abstract: 내용 없음.
Patent KR-940009462-B1 (KR)
Inventor: AKESAKA TOSHIO
IPC: E21D9/06
Filed: 1989-06-22
Granted: 1994-10-13
Abstract: 내용 없음.
Patent KR-0133067-B1 (KR)
Inventor: HANS JURGEN NEUBAUER
IPC: C07C233/61
Filed: 1989-07-12
Granted: 1998-04-13
Abstract: 내용 없음.
Patent KR-920006479-B1 (KR)
Inventor: RICE DONALD D
IPC: G05D16/06
Filed: 1989-08-25
Granted: 1992-08-07
Abstract: 내용 없음.
Patent KR-930002444-B1 (KR)
Inventor: MICHAUD MARK D
IPC: C23C22/73
Filed: 1989-11-15
Granted: 1993-03-30
Abstract: 내용 없음.
Patent KR-920010848-B1 (KR)
Inventor: GUMAGAI JUMPEI
IPC: G11C11/401
Filed: 1989-11-18
Granted: 1992-12-19
Abstract: 내용 없음.
Patent KR-940006047-B1 (KR)
Inventor: BOYESEN EYVIND
IPC: F02B25/14
Filed: 1988-09-14
Granted: 1994-07-02
Abstract: 내용 없음.
Patent KR-930010045-B1 (KR)
Inventor: HORNIVIUS LOTHAR
IPC: E05F11/48
Filed: 1990-02-02
Granted: 1993-10-14
Abstract: 내용 없음.
Patent KR-930008303-B1 (KR)
Inventor: KOMURASAKI SATOSHI
IPC: G01H11/08
Filed: 1990-02-15
Granted: 1993-08-27
Abstract: 내용 없음.
Patent KR-920006977-B1 (KR)
Title: Temperature controller
Inventor: NARISE SHIGEO
IPC: G05D23/19
Filed: 1990-05-14
Granted: 1992-08-22
Abstract: The  temperature  controller  adapts  a  microprocessor  for controlling  the  proportional  fuel  valve  and  air   fan.   The temperature detector detects the temperature of the  outlet  water to perform  the  proportional  feedback  control  with  the  error between the detected and refered temperatures. When there  is  the error, the  heater  controls  the  heating  temperature  with  the differentiate and integral controls so that the error  is  quickly compensated without the offset error. The detected  analog  signal is converted to the digital one by the A/D converter so  that  the control program is simplified.
Patent KR-930004444-B1 (KR)
Inventor: AOKI NOBUYUKI
IPC: G11B5/706
Filed: 1990-08-21
Granted: 1993-05-27
Abstract: 내용 없음.
Patent KR-940005088-B1 (KR)
Title: Composition of dielectric magnetism
Inventor: PARK RYUNG
IPC: C04B35/46
Filed: 1990-08-30
Granted: 1994-06-10
Abstract: The ceramic composition for dielectrics comprises 93.0-97.3 wt.% barium titanate, 2.0-4.0 wt.% cerium dioxide, 0.5-5.0 wt.% titania, 0.05-0.5 wt.% manganese dioxide, 0.1-0.7 wt.% zinc oxide, and 0.01-0.2 wt.% boron oxide. The mixture is molded into a disc shape body, and sintered at 1,250-1,350 deg.C for 2 hrs. This dielectric ceramics has higher mechanical strength, permittivity, dielectric breakdown voltage and insulation resistance.
Patent KR-930008945-B1 (KR)
Title: Reset signal occurance circuit of frequency counter
Inventor: LEE CHOL-HUI
IPC: H03K21/00
Filed: 1990-11-10
Granted: 1993-09-17
Abstract: The circuit adds a  reset  signal  to  a  counter  in  switch on- state, so that the counter could  recount  without  switch-off. This circuit is composed of 3 input terminals (IN1,IN2,IN3), and a plurality of gates (IC1-IC18), and 4 latches. The circuit  uses  a operating  principle  of  the  latch  circuit  and  a  delay  time occurring on ON/OFF operation of gates, and adds a constant  pulse to one input terminal of latches.  So  only  adjusting  one  input value of another input terminal of latches, the  circuit  properly uses the latch output for resetting the frequency counter.
Patent KR-940006890-B1 (KR)
Inventor: SEKIGUCHI GEISUKE
IPC: G11B20/14
Filed: 1990-11-30
Granted: 1994-07-28
Abstract: 내용 없음.
Patent KR-920003241-B1 (KR)
Inventor: CAWLFIELD DAVID W
IPC: C25B15/02
Filed: 1989-06-05
Granted: 1992-04-25
Abstract: 내용 없음.
Patent KR-930010357-B1 (KR)
Title: Unfolding method and circuit for folded video signal
Inventor: YO KWON
IPC: G11B20/02
Filed: 1991-07-10
Granted: 1993-10-16
Abstract: The method for  transmitting  high  frequench  components  to low- band according to the detection signal comprises a  time  axis low- pass filter (1) for filtering the input brightness  signal,  a time axis high pass filter (7), a parallel high-pass filter (3), a look-up table (4) which has data for  reducing  the  gain  of  the high- frequency components, a scaler (5) for scaling the output  of the first look-up table, a multiflier  (6),  a  parallel  low-pass filter (8), a motion detector which detects momentum from the time axis high-pass filter, a scaler  (11),  and  a  synthesizer  which synthesizes the output of the scaler (10) with that of the  scaler (11).
Patent KR-950007956-B1 (KR)
Inventor: SHIKATA SHINICHI
IPC: H01L21/28
Filed: 1991-07-31
Granted: 1995-07-21
Abstract: 내용 없음.
Patent KR-950013261-B1 (KR)
Inventor: SON HONG-RAM
IPC: G06F5/14
Filed: 1991-10-12
Granted: 1995-10-26
Abstract: 내용 없음.
Patent KR-940005524-B1 (KR)
Title: Method of encoding remote control codes
Inventor: LEE SUNG-KU
IPC: H04M1/64
Filed: 1991-10-25
Granted: 1994-06-20
Abstract: The remote control code is set by combining fixed type and user selection type so that problems caused by power failure in user selection type is avoided. The method comprises the steps of: (a) inputting registration key and deciding number of the program digit; (b) selecting the number of program digit arbitrary when the program digit is not selected in the step (a) and otherwise inputting digit number; (c) inputting code having a certain digit number; and (d) combining the input code and fixed code to generate new remote control code.
Patent KR-940005528-B1 (KR)
Title: Unauthorized call prevention method
Inventor: LEE SUNG-KU
IPC: H04M1/66
Filed: 1991-10-25
Granted: 1994-06-20
Abstract: The effective sound is transmitted to a transmitter and, when a secret code is received from a transmitter ring sound is generated so that only a special man can be communicated. The method comprises the steps of: (a) checking that a repulsing mode is set; (b) generating effective sound after a certain number of ring signals; (c) receiving a remote control code from a transmitter and checking that the remote control code is correct; and (d) generating ring sound after checking the remote control code.
Patent KR-940002365-B1 (KR)
Title: Formation method of pattern for magnetic detection of brushless motor
Inventor: RA JONG-SONG
IPC: H02K29/00
Filed: 1991-11-09
Granted: 1994-03-23
Abstract: The method forms the pole detection pattern group to detect a pole according to the magnetizing number of magnetic poles and the connecting way of driving coil, arranges the pattern group (MRi) on a PCB at equal angles. By keeping a commutation angle constant and switching a current supply to the driving coil, the method improves a torque characteristic, decreases a production cost and increases a productivity.
Patent KR-940009698-B1 (KR)
Title: Multi-monitoring amplifier with input control part
Inventor: KO TAE-HO
IPC: H04N1/00
Filed: 1991-12-07
Granted: 1994-10-15
Abstract: The numerous input monitoring amplifier has an input controller to control various kinds of sound generation for a facsimile. The amplifier includes the input controller for receiving output signals from a protocol signal generator, a voice message generator and a ring generator to adjust as an uniform input voltage of an amplifier so as not to influence a circuit impedance; and an analog multiplexer for selecting one signal between two output signals from the input controller and an output signal from an alarm sound generator to supply them to a volume controller of the amplifier.
Patent KR-950011212-B1 (KR)
Title: Caron composite material for friction article
Inventor: LEE IN-TAE
IPC: C08J5/14
Filed: 1992-02-28
Granted: 1995-09-29
Abstract: The carbon fiber reinforced carbon composite material composition is prepd. by adding graphite powder and boronic cpd. with the compsn. comrising 35-50% of reinforced fiber, 25-25% of carbon based matrix and 20-45% of thermosetting resin. Pref. in the process, the carbon based matrix is petrolium pitch; the thermosetting resin is phenol resin, polyimide resin, furan resin or PBI resin; 10-40 wt.pts of the graphite powder is added w.r.t. 100 wt.pts of the carbon based matrix and the thermosetting resin; 10-200 wt.pts of the boronic cpd. is added w.r.t. 100 wt.pts of the carbon based matrix and the thermosetting resin. The obtd. composite material is useful as friction material and has improved oxydation resistance.
Patent KR-950010173-B1 (KR)
Title: Pumping out device of a washing machine
Inventor: LEE HYONG-JIN
IPC: D06F39/08
Filed: 1992-03-20
Granted: 1995-09-11
Abstract: The draining device of a drum washing machine is characterized in that a draining pressure control ball is installed inside of the portion to which a water tank and a draining hose are connected and is manufactured to have its specific gravity identical to or smaller than that of water, and that 2 to 8 projections are formed on the draining pressure control ball to drain washing water in the state when the draining pressure control ball is contact to the end of the draining hose.
Patent KR-940010820-B1 (KR)
Title: Apparatus and method of high voltage trans control for electronic range
Inventor: JONG BONG-CHOL
IPC: H05B6/68
Filed: 1992-03-27
Granted: 1994-11-16
Abstract: The device minimizes the inrush current from the 1st, and 2nd transformer, and protects the power relay and fuse. The device includes 1st, 2nd relay driving units (2)(3) which are switched by the 1st, 2nd control voltage from the micom (1) control output, and 1st, 2nd relay units (4)(5) which sequencially drive 1st, 2nd transformer (HVT1)(HVT2). The control means includes a 1st means which checks the specified time of 1st transformer driving time, a 2nd meams which delays the time whihin the 1st transformer driving time, and a 3rd means which drives the 2nd transformer of high voltage transformer.
Patent KR-100198590-B1 (KR)
Inventor: LEE YUN-KWAN
IPC: G11B5/84
Filed: 1992-04-25
Granted: 1999-06-15
Abstract: 자기헤드 및 그 제조방법은 서로 접합된 I바와 C바의 외측면에 제1, 제2완충막을 각각 형성하고 C바의 완충막 외면에 ∃자형의 완충 세라믹판을 형성시켜 갭 두께의 균일도와 접착력을 향상시키기 위한 것으로서, 소정 두께의 갭과 권선홈을 갖도록 서로 접합된 제1, 제2페라이트바와, 상기 제1, 제2페라이트바의 외면상에 각각 형성된 제1, 제2완충막과, 상기 각각 형성된 제1, 제2완충막 중 제2완충막의 외면상에 형성된 ∃자형의 완충 세라믹판과, 상기 완충 세라믹판과 제1완충막의 외면상에 각각 형성된 제1, 제2세라믹판과, 상기 제2세라믹판 외면에 형성된 제3완충막으로 구성되고, 그에 상응하는 자기헤드 제조방법으로 이루어짐에 그 요지가 있다.
Patent KR-950005272-B1 (KR)
Title: Semiconductor device isolation method
Inventor: BONG CHIL-KUN
IPC: H01L21/76
Filed: 1992-07-29
Granted: 1995-05-22
Abstract: The method uses a LOCOS (local oxidation of silicon) isolation process, and includes the steps of maintaining an N2 atmosphere during a temp. rising profile, a temp. falling profile and a low temp. stable profile of 600-700 deg.C and maintaining a wet oxidation atmosphere during a high temp. stable profile of 900-1100 deg.C, thereby forming a field oxide film using the theremal oxidation process cnditions to minimise the defects of silicon substrate.
Patent KR-970010707-B1 (KR)
Title: Process for preparing antistatic electricity polyester fiber
Inventor: HAN SUK-HO
IPC: D01F1/09
Filed: 1992-12-17
Granted: 1997-06-30
Abstract: A polymer vessel containing polyethylene terephthalate oligomer is kept to 260 degree C, while the slurry where terephthalic acid and ethylene glycol are properly mixed is fed into the polymer vessel over the period of six hours, so as to produce the oligomer. Subsequently, the oligomer is delivered to the polymer vessel, with which antimony trioxide, C12H250(C2H40)40H, C12H25-SO3Na, 4-sulfur-1.8-naphthalic anhydride potassium salt(A), 3,6-bis(2-sulfurphenylazo)-4,5-dehydroxy-2,7-naphthalene disulfurnic acid(B), 2-(4-sulfurphenylazo)1,8-dehydroxy-3,6-naphthalene disulfuric acid trisodium salt(C) are mixed, and reacted at 280 degree C to obtain a polyester.
Patent KR-0125455-B1 (KR)
Title: Composite compound of conducting material for battery terminal
Inventor: YUN HUN-SOOK
IPC: H01M4/56
Filed: 1993-02-24
Granted: 1997-12-22
Abstract: The present invention relates to a composition of a conductor for connecting a storage battery terminal which has excellent electrical conductivity, durability, and anticorrosive characteristics. Cu 93.3% is heated to a fluid state, and Pb 3.8%, Zn 1.8%, and tartar 1.1% are added to it and completely melted at 1,100-1,300 deg.C. This mixture is put into a cast, and then cooled, thereby completing preparation of the conductive composition.
Patent KR-970003621-B1 (KR)
Title: Panorama frame for a camera
Inventor: JANG SEUNG-MOON
IPC: G03B37/00
Filed: 1993-03-03
Granted: 1997-03-20
Abstract: During the ordinary shooting, when panorama shooting is desired, the user slides the panorama change over switch to the direction of one, then its lower part pushes the junction plate(15) of the indicator(10) to the direction of one, overcoming the force of the elasticity(16), turning the blue filter(14) anticlockwise. And it covers the front of the eye piece(11). But the light coming through the mirror lens(2) is reflected except the part of the perspective hole(13) and the light is reflected again on the reflection film(5) coated on the mirror lens(2) and comes through the eye piece(1). Then the user recognizes he is on the panorama shooting. After panorama shooting is over, the panorama change over switch(11) is restored in the ordinary shooting.
Patent KR-960007243-B1 (KR)
Title: Crt pcb board
Inventor: KIM JONG-KIL
IPC: H01J29/96
Filed: 1993-04-27
Granted: 1996-05-29
Abstract: The device for preventing a leakage current of a second grid terminal of a cathode ray tube comprises: a socket leg insertion hole 4 and a screen lead wire inserting hole 5 which are formed in the second lead terminal 3 of a substrate; a three-sided leakage current prevention hole 6 formed in the external part of the second grid terminal 3; a capacitor 8 fixing at a position between the second grid terminal 3 and the substrate 1; and cut portions forming on both ends of the leakage current prevention hole 6 in order to separate the second grid terminal 3 from the substrate.
Patent KR-950008644-B1 (KR)
Title: Audio signal noise removing system and method in digest function of vcr
Inventor: PARK JAE-WAN
IPC: G11B20/24
Filed: 1993-06-21
Granted: 1995-08-03
Abstract: The audio pop noise generated when audio signal read from a memory is D/A converted in a digest mode. The apparatus includes an A/D converter(1) for digitizing audio signal reproduced by a head of VCR, a memory(3) for storing audio signal digitized by the A/D converter(1), a D/A converter(4) for converting audio signal read from the memory to analog signal, a level shifter(5) for shifting a level of output signal of the D/A converter(4), and a digest controller(2) for controlling A/D and D/A conversion of the audio signal and for controlling a gain of the level shifter(5) according to a level of audio signal read from the memory(3).
Patent KR-960015990-B1 (KR)
Title: Magnetic head structure
Inventor: KIM TAE-YOUNG
IPC: G11B5/127
Filed: 1993-07-12
Granted: 1996-11-25
Abstract: The characteristic of the magnetic head structure is that the magnetic layer of MIG(metal-in-gap) head is two layer of FeaMbNc/FeaMbCrcNd thin film, where M is one or more selected from Ta, Hf, Zr, Ti, Al, W, Si, V, Nb, Mo and V. The composition ratio of FeaMbNc is 50at%= a= 95at%, 0.1at%= b= 15at%, 2at%= c= 20at% and a+b+c=100at%. The composition ratio of FeaMbCrcNd is 50at%= a= 95at%, 0.1at%= b= 15at%, 2at%= c= 20at%, 1at%= d= 10at% and a+b+c+d=100at%.
Patent KR-960013535-B1 (KR)
Title: Trickle charge control method for the battery
Inventor: KIM YONG-KWAN
IPC: H02J7/00
Filed: 1993-09-22
Granted: 1996-10-07
Abstract: a battery state condition detecting process(ST101) stopping the charging and detecting a pause time flag state in case of the full-charge of the battery; a charge stopping process(ST102) of stopping the charging the battery for a battery pause time if the pause time flag is set; a voltage comparison judging process(ST103) of charging the battery with trickle current and comparing the charged voltage with a limited voltage and a maximum voltage; a battery charging process(ST104) resetting the pause time flag and charging the battery full when the charged voltage is above the limit voltage or the maximum voltage; and a battery strangeness judging process(ST105) of stopping the charge when the charged voltage is below the limit voltage.
Patent KR-100273683-B1 (KR)
Title: Application method of tube cooling device for manufacturing semiconductor device
Inventor: JUNG JONG MUN
Filed: 1993-11-25
Granted: 2001-01-15
Abstract: PURPOSE: An application method of a tube cooling device for manufacturing a semiconductor device is provided to increase productivity and reliability of the semiconductor device by homogeneously and quickly cooling a tube. CONSTITUTION: A tube cooling device comprises a tube(1) and a heater(5) for annealing a wafer, and a plurality of quartz pipes for cooling the tube. The tube is cooled by an introduction of coolant including dried clean air or N2 gas. The quartz pipes are arranged such that a first pipe being installed to supply coolant under the tube and a second pipe to supply coolant in the middle portion of the tube, and a third pipe to supply coolant on the tube, thereby obtaining homogeneous cooling effect to entire tube. Each introduction amount of coolant from the quartz pipes is set to 1:2:1.
Patent KR-100303405-B1 (KR)
IPC: E21B10/48
Filed: 1993-12-13
Granted: 2001-11-22
Abstract: The tubular drill has cutters (2, 3, 4) as a cutting set which are arranged on a support body (1). The width (b) of the cutting faces (2a, 3a, 4a) of the cutters (2, 3, 4) increases in the opposite direction to the direction of rotation (D). In addition, the cutters (3, 4) arranged in the opposite direction to the direction of rotation (D) are set back from the respective cutter (2, 3) in front of them by the height (h) measured parallel to the axis of the tubular drill. The aforesaid dimensioning of the cutting faces (2a, 3a, 4a), with conventional contact pressures, leads to each cutter (2, 3, 4) penetrating sufficiently deeply into the material to be machined so that abrasive wear leading to premature failure of the tubular drill does not occur. <IMAGE>
Patent KR-970011148-B1 (KR)
Title: Semiconductor laser device using porous silicon
Inventor: PARK HYO-HOON
IPC: H01S5/30
Filed: 1993-12-14
Granted: 1997-07-07
Abstract: An optic pumping surface emitting semiconductor laser device of vertical resonance type using a porous silicon which a light emitting layer is inserted between the upper and lower mirror layer thereof comprises a bragg reflecting plate of a first dielectric(4), a bragg reflecting plate of a second dielectric(5), a gain layer(1), a silicon substrate(3), a unreflecting layer(2), a metal mirror layer(6) and a phase accordance layer(7). The bragg reflecting plate of a first dielectric(4) is used as the upper mirror layer. The bragg reflecting plate of a second dielectric(5) is used as the lower mirror layer. The gain layer(1) which uses a porous silicon is inserted between the bragg reflecting plate of the first dielectric(4) and the bragg reflecting plate of the second dielectric(5) being used as an light emitting layer. The silicon substrate(3) is used to making the porous silicon. The non diffused reflecting layer(2) protects a diffused reflection due to a jag on the surface of the porous silicon. The metal mirror layer(6) increases a reflection rate beneath the bragg reflecting plate of the second dielectric(5). The phase accordance layer(7) accords the phase of each reflection wave generated between the bragg reflecting plate of the second dielectric(5) and the metal mirror layer(6).
Patent KR-100219099-B1 (KR)
Inventor: KRESPAN CARL GEORGE
IPC: C07C17/26
Filed: 1991-10-10
Granted: 1999-09-01
Abstract: 본 발명은 폴리플루오알릴 플루오라이드를 플루오로에틸렌에 접촉 부가하는 폴리플루오로올레핀의 제조 방법에 관한 것이다. F-펜텐-2 및 F-헵텐-3과 같은 1:1 및 1:2 부가물이 선택적으로 생성되는데, 그를 더욱 환원시켜서 HFC 세정제로 유용한 디히드로- 또는 트리히드로폴리플루오로알칸을 생성시킬 수 있다.