baber/WOPTO huggingface dataset:
Patent KR-20100089148-A (KR)
Title: Safety cap inserted combination structure of grinding device for food garbage disposer
Inventor: YOO SEUNG KI
IPC: B02C18/06
Filed: 2009-02-03
Abstract: PURPOSE: A safe cover coupling structure of a garbage disposer is provided to prevent an accident by rotating grinding wings embedded in a grinding part only when a safe cover is inserted into the garbage disposer. CONSTITUTION: A contact stopper(220) is formed with the shape of a contact frame(224) through which a water supply hole is penetrated. A water supply cover(230) is vertically formed to the upper side of the contact stopper with a constant space. The diameter of the water is larger than the diameter of the water supply hole and is smaller than the diameter of the contact frame.
Patent KR-20090087823-A (KR)
Title: The coherent detection apparatus and method in wdm-pon
Inventor: PARK SOO JIN
IPC: H04B10/2587
Filed: 2009-02-11
Abstract: A photodetector in a WDM-PON(Wavelength Division Multiplexing-Passive Optical Network) and a method thereof are provided to perform the optical detection exactly and efficiently without the real-time tracking for the phase and polarized light between the seed light and uplink signal light. Based on the first electric signal, the first controller controls the polarized light of split seed light. Based on the second electric signal, the second controller controls the polarized light of the split seed light. Optical uniting/signal converting units(411,414,418,421,423,425) convert combinations of the seed light having controlled polarized light and phase and split uplink signal light into the first and second electric signals. Signal detectors(430) convert the combinations of the seed light and uplink signal light into optical signals.
Patent KR-20100093273-A (KR)
Title: Multifunction drying machine
Inventor: KO CHEOL SOO
IPC: D06F58/26
Filed: 2009-02-16
Abstract: PURPOSE: A multifunctional dryer is provided to make the temperature of air supplied to a first space and a second space different and each drying space used for different purpose. CONSTITUTION: A multifunctional dryer(100) is composed of a first space(3), a second space(5), and a hot air supplying unit(7). Hot air is supplied to the first space. Hot air which has a different temperature from that supplied to the first space is provided to the second space. The hot air supplying unit selectively receives the air from the first and second spaces and supplies the hot air of different temperature to each space. The hot air supplying unit includes a vaporizer(731), a first condenser(733), and a second condenser(734). The vaporizer dehumidifies the air of the first and second spaces selectively supplied.
Patent KR-20100097384-A (KR)
Title: System separating and supplying of banker plants and the natural enemy
Inventor: KIM HAK NAM
IPC: A01G9/00
Filed: 2009-02-26
Abstract: PURPOSE: A system for separating and supplying a banker plant, aphids, and natural enemies is provided to massively product the banker plant through automatic production, to standardize the product, and to secure expiration date of more than 6 months by separately delivering the banker plant, the aphids, and the natural enemies. CONSTITUTION: A system for separating and supplying a banker plant, aphids, and natural enemies comprises: a step(S1) of putting an absorbent, culture soil, fertilizer, and the banker plant on a can-shaped container; a step(S2) of sealing the upper side of the container including a drain hole; supplying the banker plant, the aphids and the natural enemies to farm; a step(S3) of delivering the produced banker plant and arranging the banker plant on a desired green house of the farm; a step(S4) of cultivating the banker plant; and a step(S5) of separately delivering the aphids and the natural enemies.
Patent KR-20100104127-A (KR)
Title: Power suppling apparatus of light emitted diode dispaly and the methoe thereof
Inventor: YOON YOUNG SAN
IPC: G09G3/30
Filed: 2009-03-16
Abstract: PURPOSE: A power supplying unit for a light emitting diode(LED) display apparatus and a method for supplying power of the same are provided to minimize the volume of the apparatus by utilizing the inner space of a case. CONSTITUTION: The upper side of a box type case is open. A plurality of LEDs is arranged with a pre-set interval in the transversal direction of the front side of an LED module. A plurality of driving elements is installed on the rear side of the LED module. A substrate for distributing data distributes inputted data to the driving elements of the LED module. A power supply unit(50), which is composed of a plurality of power supply modules(50a to 50f), is installed in a case.
Patent KR-20100106015-A (KR)
Title: System for measuring actuator of cellular phone's camera
Inventor: PARK SANG OK
IPC: G01B7/00
Filed: 2009-03-23
Abstract: PURPOSE: A system for measuring an actuator of a cellular phone camera is provided to analogize a definition in a certain position of a lens by measuring a tile depending on the displacement caused by an actuator. CONSTITUTION: A displacement sensor(30) senses displacement by irradiating a laser beam for an actuator(20), and a tilt level sensor(25) senses the tilt by irradiating a laser beam for the actuator. A controller(40) converts the displacement and tile levels into an analog signal and measures the driving performance and the tilt level of the actuator through a preset algorithm by using a relayed signal. The controller outputs the driving voltage of the actuator.
Patent KR-20100109286-A (KR)
Title: Solar cell and method of fabricating the same
Inventor: BAE DO WON
IPC: H01L31/04
Filed: 2009-03-31
Abstract: PURPOSE: A solar cell and a method of fabricating the same are provide to prevent the heat dispersion on a light absorption layer by controlling the amount of alkali material which is dispersed on the light absorption layer. CONSTITUTION: A solar battery and a manufacturing method thereof includes a substrate(100), a first buffer layer(110), a first electrode, and a light absorption layer(130). The first buffer layer is arranged on the substrate. The first electrode is arranged on the first buffer layer. The light absorption layer is arranged on the first electrode. The first buffer layer is arranged between the substrate and the first electrode. The coefficient of thermal expansion of the first buffer layer has the value within that of the substrate and the first electrode.
Patent KR-20100111339-A (KR)
Title: Control method for improvement of performance and efficiency of industrial electro hydraulic actuator system
Inventor: KIM JONG SHIK
IPC: F15B13/044
Filed: 2009-04-07
Abstract: PURPOSE: A control method of improving the performance and the efficiency of an industrial electro hydraulic actuator system is provided to control an electric motor as well as to maximize the efficiency of the electric motor through the determining of a minimum rotation number of a bi-directional gear pump by measuring the load pressure and the displacement of a hydraulic actuator in real time. CONSTITUTION: A control method of improving the performance and the efficiency of an industrial electro hydraulic actuator system is as follows. In the clamping state of a hydraulic actuator, the load pressure applied to the hydraulic actuator is measured(S100). The displacement of the hydraulic actuator by a displacement sensor is measured(S200). An electric motor is operated by a minimum number of rotation, which is determined by the measured load pressure and displacement(S210). The minimum number of rotation by the displacement increases the number of rotation of the electric motor(S220). The displacement and the change of the displacement are measured(S300). The rotation number of the electric motor when it has over a predetermined displacement and a predetermined displacement change is determined as a minimum rotation number(S400).
Patent KR-20100111797-A (KR)
Title: Stand having sound wave function
Inventor: KIM TEUK CHOL
IPC: H05B37/02
Filed: 2009-04-08
Abstract: PURPOSE: A sense the sound of hand clapping sound wave of man with the sensor sensing the sound wave and the saving type stand having sound wave visibility makes the stand the off it automatically comes. CONSTITUTION: It receives the power source applied with the common electricity(10) and 3 wavelength lamp(30) is operated with the toggle switch(20). The sound wave detection sensor(60) senses the sound wave to the sound of hand clapping. It receives the applied power source from the common electricity and the charge unit(70) stores the energy.
Patent KR-20100113709-A (KR)
Title: Digital radio receiver
Inventor: PARK YONG CHAE
IPC: H04B1/40
Filed: 2009-04-14
Abstract: PURPOSE: A digital radio receiver is provided to reduce a broadcasting cost by providing information and advertisement corresponding to text data in voice without an announcer. CONSTITUTION: A reception unit(102) receives an audio data signal for broadcasting and a text data signal for a display operation from a radio broadcasting station. A data processing unit(104) restores the signals into original audio data and text, and a voice data conversion unit(106) converts the restored text data into voice data. A voice output unit(108) outputs the audio and text data in voice.
Patent KR-20100114580-A (KR)
Inventor: PARK HYUNG MOOM
IPC: G06Q30/06
Filed: 2009-04-16
Abstract: 본 발명은 온라인 프랜차이즈 통합 관리 시스템 및 그 방법에 관한 것으로서, 보다 상세하게는  프랜차이즈 형태의 온라인 판매망으로 프랜차이즈 가맹점들이 쇼핑몰을 자동 구축하는 프로그램을 제공받아 설치함으로써 쇼핑몰 개설이 용이하고, 프랜차이즈 가맹점들이 상품관리 및 배송에 신경쓰지 않고 상품 판매에만 전념할 수 있는 온라인 프랜차이즈 관리 시스템 및 관리 방법에 관한 것이다. 
     본 발명에 따른 온라인 프랜차이즈 통합 관리 시스템 및 방법은 프랜차이즈 가맹점이 상품 판매후 본사에 지급해야 할 수수료와 지급 대금을 자동으로 계산하여 주는 프랜차이즈 결제/정산 시스템을 포함하여 프랜차이즈 쇼핑몰 운영이 간편하고, 프랜차이즈 가맹점 단말에 쇼핑몰을 자동 구축하여 주는 프로그램을 제공함으로써 프랜차이즈 쇼핑몰 개설이 용이한 장점이 있다. 
       
     전자상거래,  인터넷 쇼핑몰, 프랜차이즈 가맹점
Patent KR-20100119037-A (KR)
Title: Transparent hermetic plastic film, its manufacturing method and its application to sealing of display panel
Inventor: YOO CHOONG DON
IPC: B32B27/06
Filed: 2009-04-30
Abstract: PURPOSE: A transparent hermetic plastic film, a manufacturing method thereof, and an application method for sealing display panel using the same are provided to enhance the sealing force thereof. CONSTITUTION: A transparent hermetic plastic film(100) includes: a transparent plastic film(110); a transparent ceramic layer which are coated on the both sides of the plastic film; and transparent protection layers(140,150) which cover the transparent ceramic surfaces. The transparent ceramic layer comprises plural ceramic powders(120,130) which are uniformly applied onto the both sides of the plastic film.
Patent KR-20100120416-A (KR)
Title: Lighting bollard for guide
Inventor: CHOI JIN SEON
IPC: E01F9/615
Filed: 2009-05-06
Abstract: PURPOSE: A bollard for guide illumination is provided to guide pedestrians in a road or a park during a night time and to improve design effects. CONSTITUTION: A bollard for guide illumination comprises a bollard body(10), an illumination member(20), a guide illumination member(30), and a fixing member(40). The bollard body is formed with various patterns. The illumination member is installed inside the bollard body and varies the color of the illumination. The guide illumination member is installed on the top of the bollard body. The fixing member fixes the bollard body on the surface.
Patent KR-20100127944-A (KR)
Title: Communication apparatus for performing a predefined function according to variation of received sound volume and control method thereof
Inventor: WON SUN GWAN
IPC: H04B1/40
Filed: 2009-05-27
Abstract: PURPOSE: A communication apparatus for performing a predefined function according to the variation of received sound volume and a control method thereof are provided to reduce bell sound and switching the current mode into a vibration mode by closing up a speaker or microphone with a finger. CONSTITUTION: A communication terminal extracts a pattern of a set bell sound(S3). When a reception event is detected, the communication terminal outputs the preset bell sound through a speaker(S5,S7). When the outputted bell sound is inputted through a microphone, the communication terminal stores an initial volume value of the bell sound(S9,S11). If the volume of the bell sound is lowered into the preset value, the communication terminal reduces the output bell sound(S13,S15).
Patent KR-20100128183-A (KR)
Title: A process of preparing chiral amino acid comprising quaternary carbon by using cinchona-alkaloid-based organic catalyst
Inventor: JANG DOO OK
IPC: C07D403/02
Filed: 2009-05-27
Abstract: PURPOSE: A method for preparing quarternary carbon-containing chiral amino acid using cinchona-alkaloid organic catalyst is provided to improve yield and selective of chiral aryl amino acid and organic catalyst yield. CONSTITUTION: A quarternary carbon-containing chiral amino acid is prepared by radical addition of alkylating agent and reactant using an organic catalyst having a structure of chemical formula 1. The reactant has a structure of chemical formula 2. The radical addition is performed at -35°C to -25°C.
Patent KR-20100130731-A (KR)
Title: Lighting module with led
Inventor: CHOI MOON GOO
IPC: F21V9/40
Filed: 2009-06-04
Abstract: PURPOSE: An LED lighting module is provided to change the spectrum of light emitted from an LED lighting source part by selectively emitting light emitted from the LED lighting source part. CONSTITUTION: A pixel array(20) is arranged on an LED lighting source part(10). The pixel array changes the spectrum of light emitted from the LED lighting source part by selectively emitting light emitted from the LED lighting source part. A dissimilar phosphor material(21,22,23) are filled in the pixel of the pixel array. A switch part(30) has an on/off state function in order to control the output of light emitted from the LED lighting source part. A switch control part(40) controls the on/off state of each switch which is arranged in the switch part.
Patent KR-20100131315-A (KR)
Title: 포장용 케이스
Inventor: KIM JOO YOUNG
IPC: B65D5/02
Filed: 2009-06-05
Abstract: 본 발명은 개폐부의 비틀림 조작만으로 포장이 이루어지는 포장용 케이스에 관한 것이다. 
     이를 위해 본 발명은, 공간을 형성하는 수용부; 상기 수용부에서 연장되며, 상기 수용부를 개폐하는 다수의 개폐부; 상기 다수의 개폐부 각각에 사선으로 형성되고, 상기 개폐부의 비틀림 방향으로의 접힘을 안내하는 제1 절곡선; 상기 수용부와 상기 다수의 개폐부가 접하는 부분에 형성되며, 상기 개폐부의 내측 방향 접힘을 안내하는 제2 절곡선;을 포함하며, 상기 다수의 개폐부의 비틀림 조작에 의해 상기 다수의 개폐부가 상기 제1절곡선 및 제2 절곡선을 따라 동시에 접히면서 상기 수용부를 차폐하여 포장이 이루어진다. 이와 같이 구성되는 본 발명에 의하면, 용이하게 포장이 이루어지는 이점이 있다. 
       
     포장, 비틀림, 케이스, 플라스틱
Patent KR-20100132305-A (KR)
Title: Infrared heater drying control method and drying control system
Inventor: BACK SEUNG GYUN
IPC: F26B3/30
Filed: 2009-06-09
Abstract: PURPOSE: A dry control method using an infrared ray electric heater and a dry controlling apparatus using the electric heater for improving the load characteristic of the electric heater are provided to maximize the drying efficiency by drying an object. CONSTITUTION: A dry control method using an infrared ray electric heater is as follows. The starting current of the specific voltage or the frequency is set up. The drying temperature about the object is set up. The input power source is converted by a voltage conversion circuit to DC(Direct Current) power source. The DC power source is converted to the high-frequency current of the set frequency. The starting power is applied in both ends of the infrared ray electric heater of a chamber or an oven(50).
Patent KR-20100133617-A (KR)
Title: Non volatile memory device and operating method of the same
Inventor: LEE JUNG HWAN
IPC: G11C16/34
Filed: 2009-06-12
Abstract: PURPOSE: A non volatile memory device and an operating method of the same are provided to suppress an error of reading and verification processes by delaying the connection control signal of a sense node according to the bonding electric potential. CONSTITUTION: A memory cell array(110) comprises a plurality of bit lines which are connected to a plurality of memory cells. A plurality of bit lines is commonly connected to a source line. A delay unit(130) delays a sensing signal. The delay unit generates a delay sensing signal. A page buffer(140) senses the electric potential of the bit line.
Patent KR-20100134217-A (KR)
Title: Concrete batcher plant ship on sea with ramp
Inventor: KIM DONG JAE
IPC: B63B35/44
Filed: 2009-06-15
Abstract: PURPOSE: A concrete batching plant ship with a ramp is provided to ensure simplified facility by excluding a pump and pipelines for concrete deliver and facilitate the loading and unloading of a ready-mixed concrete truck and a dump truck to an aggregate storage facility. CONSTITUTION: A concrete batching plant ship comprises a sand and gravel storage facility, a conveyor device(20), cement storage and inject facilities(17-1,17-2), a concrete production facility(26), a ramp(12), and winches(13-1,13-2). The conveyor device transfers sand, gravel and raw materials. The ramp is installed in one side of the concrete batching plant ship in order to load or unload a ready-mixed concrete truck and a dump truck. The winches perpendicularly pull up or horizontally pull down the ramp. The concrete production facility has a hopper whose bottom is separate from the surface not to bump into a ready-mixed concrete truck or dump truck.
Patent KR-20100135411-A (KR)
Inventor: HAM HO SIK
IPC: A47L13/24
Filed: 2009-06-17
Abstract: 본 발명은 손잡이(10)와; 상기 손잡이(10)의 선단에 설치된 중앙걸레(20)와; 상기 중앙걸레(20)의 양측에 위치한 보조걸레(30)와; 상기 중앙걸레(20)와 보조걸레(30)의 사이를 길이방향으로 연결시키기 위한 탄성체(40)를 포함하는 접이식 대걸레를 제공하기 위한 것으로, 본 발명은 좁은공간 및 벽면과 맞닿게 되면 자연스럽게 보조걸레가 전방 또는 후방으로 접혀져 쉽게 삽입할 수 있으므로 청소효율을 향상시킬 수 있는 효과를 갖는다. 
       
     접이식, 회동, 대걸레, 보조걸레, 각도, 탄성체
Patent KR-20110000046-A (KR)
Title: 크기가 다른 볼트를 돌릴 수 있는 스패너
Inventor: SON KONG JU
IPC: B25B13/08
Filed: 2009-06-26
Abstract: 본 발명은, 볼트를 돌리는 데 사용하는 한쪽은 개구스패너와 다른 쪽은 폐구스패너로 이루어진 스패너에 있어서; 볼트의 4변이 밀착되도록 만든 정육각형 형상의 개구스패너; 상기 개구스패너의 양 끝을 볼트가 밀착되도록 120도 안쪽으로 구부린 걸림부; 상기 개구스패너와 폐구스패너의 각 변에 크기가 작은볼트가 삽입되는 작은볼트삽입부; 를 포함하여 이루어지는 특징으로 하며, 이에 의하여 하나의 스패너로 크기가 다른 볼트를 돌릴 수 있는 스패너 및 개구스패너에 있어서는 스패너를 돌리는 힘을 볼트에 전달하는 작용점을 기존의 스패너보다 더 많이 만들어서 적은 힘으로 볼트를 쉽게 돌릴 수 있는 크기가 다른 볼트를 돌릴 수 있는 스패너에 관한 것이다. 
       
     변, 스패너, 개구스패너, 볼트모서리삽입부, 볼트모서리삽입부가상외접원, 작은볼트모서리삽입부, 작은볼트모서리삽입부가상외접원, 걸림부, 폐구스패너볼트, 작은볼트
Patent KR-20110001306-A (KR)
Title: Solar cell aparatus and method of fabricating the same
Inventor: JEE SUK JAE
IPC: H01L31/042
Filed: 2009-06-30
Abstract: PURPOSE: A solar energy generating apparatus and a manufacturing method thereof are provided to efficiently discharge heat by including a first heat discharge member and a second heat discharge member. CONSTITUTION: A solar cell panel(100) including a bottom substrate, a solar cell, and a top substrate is prepared. A plurality of grooves are formed on the bottom substrate. A second heat discharge member(200) with a plurality of holes is combined under the solar cell panel. A first heat discharge member(300) is combined with a groove through a hole. The sidewall of the second heat discharge member and the solar cell panel are combined with the frame.
Patent KR-20110001586-A (KR)
Inventor: KWON HYUN YUL
IPC: H01L21/3205
Filed: 2009-06-30
Abstract: PURPOSE: A pattern formation method is provided to prevent the generation of an overhang when a following process buries a damascene pattern by forming a metal growth preventing layer. CONSTITUTION: An insulating layer(103) is formed on a semiconductor substrate(101). A well and threshold voltage control ion are inserted into the semiconductor substrate. The insulating layer is formed by using an oxide layer in order to insulate a lower structure. A metallic ion injection part is formed on the insulating layer by injecting metal ion on the upper part of the insulating layer.
Patent KR-20110003432-A (KR)
Title: 케이스 일체형 우산
Inventor: JANG MI
IPC: A45B25/24
Filed: 2009-07-04
Abstract: 본 발명은 우산포와 우산포에 싸여있는 우산살이 케이스 안에 수납되는 방식의 우산에 관한 것이다. 우산살지지대는 V 혹은 W등의 형태와 같이, 우산살지지대의 가장자리가 우산손잡이의 반대방향으로 뻗어있다. 우산포에 감싸여 우산포의 상단에 위치한 우산살은, 우산포를 사이에 두고 우산포 하단에 있는 우산살지지대와, 연결고리를 통해 연결되어있다. 케이스 안쪽 면은 우산살의 형태로 나선을 그리며 가이드홈이 파여있어, 우산살과 우산포가 나선형태로 케이스 안으로 수납된다. 수납되는 동안 방수고무에 의해 물기가 제거된다. 
       
     우산, 방수, 밀폐, 케이스, 수납
Patent KR-20110005525-A (KR)
Inventor: KANG BO SUN
IPC: H01M14/00
Filed: 2009-07-10
Abstract: 본 발명은 태양빛에 의해 가열되어 전해질이 비산 또는 변질되더라도 보충 또는 교체가 가능하도록 전해질 주입장치가 장착된 리튬 태양전지로서 음극활물질로는 리튬금속, 리튬합금, 리튬탄소합금 중 한가지를 사용하여 금속판에 코팅하고, 양극활물질로는 리튬전이금속산화물을 투명전도성 유리 또는 필름에 코팅하여 그사이 공간에는 분리막인 폴리올레핀 다공막을 넣고 가스켓으로 합체시킨 후 각각의 단위셀에 전해질 주입파이프와 전해질주입구를 구성시키어 외부에 전해질보관통과 전해질 이동파이프로 연결하여 전해질로 사용하는 고온에서도 리튬이온전도도가 높은 이온성액체인 리튬 비스(트리플루오로 메탄설포닐)이미드를 전해질보관통에 부어 이동파이프를 통해 분리막이 있는 공간에 채워지도록 하고 콕크벨브를 닫아 양극쪽에 빛이 비춰지도록 설치하여 빛에 의해 내부 에너지가 증가되도록하여 증가된 에너지를 전기용품에 연결 사용하는것을 특징으로 하는 전해질 주입장치가 장착된 리튬 태양전지. 
       
     리튬 태양전지. 리튬. 리튬전이금속산화물. 이온성액체. 전해질 보관통. 전해질 이동파이프. 전해질 주입파이프. 전해질주입구.
Patent KR-20110007880-A (KR)
Title: Air circulation form injection nozzle of freezing prevention
Inventor: LEE SUN YOUP
IPC: F02M21/02
Filed: 2009-07-17
Abstract: PURPOSE: An air-circulating injection nozzle of freezing prevention is provided to prevent freezing from occurring on an injection nozzle since the intake air of the engine is sucked/discharged through the inlet hole and the outlet hole on the outer surface of a conductive pipe. CONSTITUTION: An air-circulating injection nozzle of freezing prevention comprises an insulating pipe(10) and a conductive pipe(20). When LPG fuel is supplied through an injector, the insulating pipe prevents the heat due to the engine operation from becoming transferred and maintains the LPG fuel in a liquid state. The conductive pipe comprises a through-hole(21) in a longitudinal direction so that the insulating pipe is coupled to the inside of the conductive pipe. The end of the insulating is installed on the inner surface of the through hole. Since a foreign material is not formed on the outer surface of the conductive pipe, freezing does not occur on the injection nozzle. An air layer is formed between the through the conductive pipe and the outer surface of the insulating pipe.
Patent KR-20110010198-A (KR)
Title: Method and system for providing voip service using location information of caller-terminal based on session initiation protocol
Inventor: HUH YOON BUM
IPC: H04L12/66
Filed: 2009-07-24
Abstract: PURPOSE: A system for providing VOIP service using location information of caller-terminal based on session initiation protocol and a method thereof are provided to offer a call originating location information to the call receiver. CONSTITUTION: An IP address and port information of a call originating terminal(10) are inserted into a SIP(Session Initiation Protocol) protocol. An application call control server(100) extracts IP address and port information of the call originating terminal from the SIP protocol signal. The application call control server grasps the location of the IP address from a location information server(200). Therefore, the location information of the call originating terminal can be delivered to the call receiving terminal(20).
Patent KR-20110013998-A (KR)
Title: Microphone electret with structure preventing loss of electric charge and manufacturing method thereof
Inventor: KIM HONG SUNG
IPC: H04R19/01
Filed: 2009-08-04
Abstract: PURPOSE: A microphone electret with structure preventing loss of electric charge and a manufacturing method thereof are provided to prevent the deviation of an electric charge in lower direction through a silicon substrate by doping the silicon substrate with the dopant having negative charge. CONSTITUTION: An electret(500) for microphone is formed on an electrical insulation film. The electret for microphone comprises a first moisture protective film(510) having the thickness smaller than that of the embossing structure of an adhesion preventing part. The electret for microphone may further comprise a third moisture protection film(550) including a moisture protection layer(540) formed on a first moisture protection layer.