baber/WOPTO huggingface dataset:
Patent KR-20070077510-A (KR)
Title: Method for manufacturing rice cake containing an embryo bud of rice and the resulting product, an embryo bud of rice cake
Inventor: KIM IN SIK
IPC: A23L7/152
Filed: 2007-07-07
Abstract: A method of manufacturing rice cake using an embryo bud is provided to obtain rice cake which is rich in nutrients and has an excellent taste and proper cohesiveness. Glutinous rice is soaked in water for 2 to 6hr, dehydrated and ground to obtain glutinous rice flour. Rice bran containing an embryo bud of rice is heated with water for 10min while stirring, dehydrated and freeze-dried to obtain embryo powder of rice. Thereafter, 10 to 20% by weight of the glutinous rice flour is mixed with 10 to 20% by weight of regular rice, 8 to 14% by weight of waxy starch, 5 to 10% by weight of the embryo powder of rice, 6 to 8% by weight of dextrin, 8 to 12% by weight of sugar, 10 to 18% by weight of corn syrup, 0.5 to 1% by weight of an emulsion stabilizer, 6 to 10% by weight of water, 3 to 9% by weight of butter, 2 to 4% by weight of peanut powder and 0.5 to 0.8% by weight of salt to obtain glutinous rice dough which is mixed with a stuffing composition.
Patent KR-20080009014-A (KR)
Title: Positioning device, method of controlling positioning device, and recording medium
Inventor: YOSHIOKA HIROKI
IPC: G01S19/30
Filed: 2007-07-20
Abstract: A positioning device, a method of controlling the positioning device, and a recording medium are provided to implement positioning excluding a multi path rapidly, regardless of not maintaining map data or not communicating with a communication base station. A positioning device measures the present position by receiving a satellite signal from a SPS(Satellite Positioning System) satellite. An azimuth calculation part calculates an azimuth of the SPS satellite corresponding to the received satellite signal. A reception environment judgement part judges reception environment including multi-path environment, on the ground of the azimuth angle of the SPS satellite calculated by the azimuth angle calculation part.
Patent KR-20090009068-A (KR)
Title: Method of diminution fbg sensitivity and sensor cable
Inventor: LEE GEUM SUK
IPC: G02B6/255
Filed: 2007-07-25
Abstract: The method of diminution FBG sensitivity and the sensor cable are provided to lessen the sensitivity of the fiber optic grating sensor attenuating the stress applied in the fiber optic grating sensor. The optical fiber(2) including the fiber optic grating sensor(1) is arranged to the center. The optical fiber(3) for the sensitivity attenuation is arranged around the optical fiber. The fiber optic grating sensor cable is formed by adhesive to operate the optical fiber including the fiber optic grating sensor and the optical fiber for the sensitivity attenuation together. The center optical fiber is coated with jelly or the oil etc. The optical fiber easily can slide down.
Patent KR-20090013517-A (KR)
Title: Mat-type culture medium
Inventor: KOO SEON KYUNG
IPC: A01G9/10
Filed: 2007-08-02
Abstract: A mat-type culture medium is provided to fix seeds and molding after dry seeding and make various sowing work possible. A mat-type culture medium has a plurality of grooves(10a) which are located on the upper side and/or the lower side of the medium with determined intervals. The medium has a plurality of grooves(10b) intersecting with the grooves additionally. A sowing hole(21) is formed on a lattice(20) which is divided by the groove. The groove has a plurality of division protrusions are formed with a width direction of the groove. The groove is formed discontinuously. A part in which groove is not formed, an incision part is formed.
Patent KR-20090016886-A (KR)
Title: Storage device and method for electronic signature, and computer readable medium on which program for executing the method thereof
Inventor: LEE JAE JUN
IPC: G06K9/00
Filed: 2007-08-13
Abstract: An apparatus for storing electronic signature capable of removing reproducibility of electronic signature, a method thereof, and a record medium for executing the same are provided to generate an encrypted signature by adding an imitation stroke based on insertion position information of the imitation stroke to an electronic signature. A method for storing electronic signature capable of removing reproducibility of electronic signature comprises the following steps: a step for inputting a signature and a password from a user or a signer(S100); a step for generating an imitation stroke and insertion position information of the imitation stroke after encrypting the password(S110); and a step for generating an encrypted signature by adding the imitation stroke to the signature(S120).
Patent KR-20090022088-A (KR)
Title: Functional inhaler-pipe for control of inhale volume
Inventor: YANG JUNG HYEE
IPC: A61M15/06
Filed: 2007-08-29
Abstract: A functional suction pipe is provided, in which the size of the penetration hole is differentiated and the suction rate is controlled and which has the sleepiness prevention and removal of oral smell function. A functional suction pipe comprises: a connector(20) which partitions the inside flow path by forming the partition member having the air flow-through hole and in which the grip protrusion is molded in the inner circumference of the partition member end part; and an absorption band(30) which is inserted into one end of a connector, is formed of a hanging groove along the outer circumference, and in which the aroma is circulated from the reception pipe.
Patent KR-20090024552-A (KR)
Title: Suction pipe for roaster
Inventor: YOON GUI JA
IPC: F24C15/20
Filed: 2007-09-04
Abstract: A flexible suction pipe for roaster is provided to prevent exposure of the top and bottom of the extensible part by fixing the elastic clip, attached to the top and bottom of the extensible part, inside the connection pipes. A flexible suction pipe for roaster comprises a fixing part(10) fixed to the duct of ceiling, an extensible part(20) of bellows pipe form which is combined to the bottom of the fixing unit, a suction part(30) which is combined to the bottom of the extensible part in order to inhale the smoke, and an elastic clip(100) formed by folding a metal piece by half and attached to the top and bottom circumference of the extensible part at regular intervals. The outside end of the elastic clip is curved outside in order to elastically push the inner side of connection pipes(200a,200b) of the fixing part and the suction part.
Patent KR-20080023649-A (KR)
Title: Photosensitive paste and plasma display panel
Inventor: ITO HIDEYUKI
IPC: G03F7/004
Filed: 2007-09-10
Abstract: A photosensitive paste is provided to form a high-precision fine electrode of a plasma display panel that allows printing without any pinholes or irregularities, and to form a fired film while maintaining excellent adhesion to a substrate, resolution and firing characteristics. A photosensitive paste comprise: (A) an organic binder; (B) a photopolymerizable monomer; (C) a photopolymerization initiator; (D) inorganic microparticles; (E) an organic solvent; and (F) additives, wherein the organic solvent contains a high-boiling point organic solvent having a boiling point of 210 deg.C or higher, and the additives include an acrylic leveling agent in combination with at least one dispersant selected from amine-, phosphorus- and carboxylic acid-based dispersants.
Patent KR-20090026632-A (KR)
Title: Semiconductor memory device
Inventor: KANG HEE BOK
IPC: G11C13/02
Filed: 2007-09-10
Abstract: A semiconductor memory device is provided to reduce a writing time by writing data to a plurality of cells by a selection switch at the same time. A semiconductor memory device includes a read/write bit line(BL1~BLn), a selection switch(SW0), a plurality of cells(C1~Cn), and a plurality of switching devices(SW1~SWn). The read/write bit line supplies a cell driving voltage. The selection switch is connected to the read/write bit line, and is controlled by a word line. A plurality of cells is serially connected between a selection unit and a source line, and performs a reading/writing of data according to the cell driving voltage. A plurality of switching devices is parallel connected to a plurality of cells, and is selectively controlled by a plurality of bit lines.
Patent KR-20090027314-A (KR)
Title: Secondary battery of improved stability by both sides adhesive tape
Inventor: LEE KWAN SOO
IPC: H01M10/04
Filed: 2007-09-12
Abstract: A jelly-roll type electrode assembly is provided to prevent the damage due to by the friction of a cathode and a separation film, to reinforce the mechanical strength of the separation film, and to prevent the rupture of the separation film and internal short due to the stress generated in manufacturing a battery and charging/discharging. A jelly-roll type electrode assembly has a structure wound in a state where separators(130,131) are inserted between a positive electrode foil(110) coated with an electrode active matereial and a negative electrode foil(120). An electrode tap(140) is adhered in a uncoated part(112) which is not adhered with an active material positioned in the end part of two electrodes(a, b). The electrode tap of the electrode(a) is positioned at the end of the inner side of the electrode and the electrode tap of the electrode(b) is positioned at the end of the outer side of the electrode. A double-side adhesive tape is adhered on the separation film interposed between the opposite side of the foil side adhered with the electrode tap and the electrode(b) facing the opposite side.
Patent KR-20080002707-A (KR)
Title: Combustion promoting device for diesel internal combustion engine
Inventor: JUN BYOUNG PYO
IPC: F02M53/04
Filed: 2007-09-14
Abstract: A combustion promoting device for a diesel internal combustion engine is provided to increase explosive force of mixture gas by pre-heating mixture gas to a predetermined temperature level and maintaining the mixture gas at a high temperature level. A combustion promoting device for a diesel internal combustion engine includes a nozzle(101) and a combustion promoting derivative(201a). The nozzle introduces fuel into a combustion chamber of the internal combustion engine. The combustion promoting derivative has a ring-shaped main body connected to a front end of the nozzle through a support portion. The combustion promoting derivative is made of a super-alloy material selected from a group consisting of nickel steel, chrome steel, nickel-chrome steel, platinum steel, iridium steel, and osmium steel having a superior heat resistance and thermal conductivity.
Patent KR-20080112066-A (KR)
Title: Device and method for recycling waste-plastics, and products and form manufactured by them
Inventor: HWANG MUN GI
IPC: B29B17/02
Filed: 2007-09-21
Abstract: An apparatus and a method for recycling waste synthetic resins are provided to easily recycle the waste synthetic resins that could not be recycled in the past and to increase merchantability of the molded articles, and molded articles and molds manufactured by the same are provided. An apparatus for recycling waste synthetic resins comprises: an extrusion part(10) repetitively performing coercive extrusion of a molten synthetic resin(hereinafter referred to as 'molten resin') comprising alien substances flown in from the outside using a reciprocating piston; a molding part(30) connected to the extrusion part to successively discharge molded molten resin after molding the molten resin into a specific shape while the molten resin extruded in the extrusion part is passing through the molding part; and a cooling part(50) which is constructed such that the cooling part passes through the molding part to cure the molten resin by rapidly cooling the molten resin molded in the molding part, and which supplies a cooling fluid to gradually lower a molten resin-cooling temperature in a direction that the molten resin is molded and discharged.
Patent KR-20090034675-A (KR)
Title: Method and apparatus for interleaving data in mobile telecommunication system
Inventor: KIM YOUNG BUM
IPC: H04B7/26
Filed: 2007-10-04
Abstract: A method and an apparatus for interleaving data are provided to reduce a bit error rate or block error rate of the data by defining an interleaving operation for the data to be transmitted. An input unit(906) records a signal sequence inputted to an interleaver in an interleaver memory successively row-by-row by a time-first mapping method. An output unit(910) mixes the signal sequence between the rows and outputs the modulation group successively column-by-column. An interleaver controller(904) determines a size of an interleaver memory(908) by obtaining a modulation method and a size of a time-frequency resource for transmitting data from the scheduling allocation information. The interleaver controller provides information like a size of each code block, a recoding order, and an interleaver memory size and controls the operation of the input unit. The interleaver controller provides the information like the inter-column permutation definition, a configuration method of the modulation group, the interleaver memory size, and an output order to the output unit and controls the operation of the output unit.
Patent KR-20090036699-A (KR)
Title: Substrate transfer apparatus and substrate transfer method using the same
Inventor: KIM SUNG SOO
IPC: H01L21/687
Filed: 2007-10-10
Abstract: A substrate transfer apparatus and substrate transfer method using the same can prevent the secession of the carbon nanotube by forming the blocking member for covering the composition substrate. The substrate transport apparatus(300) comprises the arm(310), and the blade(320) and driving part(360). The arm is manufactured of the shape of the load(rod). The arm is moved by the driving part to upward and downward and horizontal direction. The blade is installed at the shear of arm. The arm is driven by the driving part. The plate is connected to the end of arm. The insulating member comprises the side wall(324) and power transmission element. The power transmission element comprises driver and connecting member. The driving part comprises the vertical transfer member(361) and horizontal transfer member(365). The vertical transfer member moves the arm up and down. The vertical transfer member comprises the vertical rail(362), and the bracket(363) and moving frame(364).
Patent KR-20090036952-A (KR)
Title: Concrete composition for tunnel lining
Inventor: JEON JOONG KYU
IPC: C04B16/06
Filed: 2007-10-10
Abstract: A concrete composition for tunnel lining is provided to prevent crack caused by dry shrinkage and heat of hydration and deterioration of structural functions, thereby effectively constructing concrete for tunnel lining. A concrete composition for tunnel lining comprises 250-500 kg/m^3 of binding material containing cement; 150-180 kg/m^3 of water, 600-1000 kg/m^3 of fine aggregate, 800-1200 kg/m^3 of coarse aggregate and 0.1-2.0 kg/m^3 of fiber reinforcing material on a basis of unit volume of concrete. The fiber reinforcing material is selected from the group consisting of polyethylene fiber, polyamide fiber, polyacryl fiber, polyester fiber, polypropylene fiber, polyvinylalcohol fiber and cellulosic fiber. The fiber reinforcing material is 1-100mm in length and 10-70mum in thickness or diameter.
Patent KR-20090044066-A (KR)
Title: 헤어브러시용 빗살
Inventor: KIM CHANG BIN
IPC: A45D24/02
Filed: 2007-10-31
Abstract: 본 발명은 헤어브러시용 빗살에 관한 것이다. 본 발명은 헤어브러시용 빗살에 있어서, 상기 빗살은 상기 빗살의 지름 보다 작은 지름의 홈이 다수 형성된 것을 특징으로 한다. 이에 의해, 본 발명에 따른 빗살이 적용 설치된 헤어브러시를 사용하면 물에 젖은 머리카락이 빗살에 형성된 경사면에 안내되어 쉽게 홈에 삽입되는 것으로서 머리카락이 홈의 내면 둘레방향에 접촉되는 접촉면이 커지므로 반복되는 빗질에 의해 머리카락의 묻은 물기를 신속하고 간편하게 제거할 수 있는 효과가 있다. 
       
     헤어브러시, 헤어브러시용 빗살, 물기제거, 홈, 경사면
Patent KR-20090045478-A (KR)
Inventor: LEE SANG MOON
IPC: A61K35/36
Filed: 2007-11-02
Abstract: 본 발명은 조류 깃털을 유효성분으로 함유하는 세포증식성 질병의 예방 및 치료용 약학적 조성물에 관한 것으로서 보다 상세하게는 조류 깃털 전체, 또는 조류 깃털의 우병, 우축부위의 분말을 유효성분으로 함유하는 세포증식성 질병의 예방 및 치료용 약학적 조성물에 관한 것이다. 본 발명의 세포증식성 질병의 예방 및 치료용 조성물은 암세포의 증식을 억제 및 예방하는 효과를 갖는다. 따라서 본 발명의 세포증식성 질병의 예방 및 치료용 조성물은 암의 예방, 경감, 억제 및 치료 등 항암의 목적으로 사용할 수 있다. 
       
     조류 깃털, 우병, 우축, 항암, 종양 억제
Patent KR-20090046434-A (KR)
Inventor: SIN MUN GI
IPC: E01F8/00
Filed: 2007-11-06
Abstract: 본 발명은 방음벽에 조립식으로 설치되는 방음판 내부에 자석의 원리를 이용한 회전형 흡음판을 구비함으로써 방음벽에 일정 풍하중이 작용할 경우 상기 방음판 자체는 견고히 유지되면서도 풍하중의 영향을 최대한 줄일 수 있는 회전 흡음판이 구비된 방음벽을 제공하는 것이다. 
     이를 위해, 본 발명에 따른 회전 흡음판이 구비된 방음벽은 일정 간격으로 직립된 지주(1)와, 상기 지주(1)간에 설치되는 다수의 방음판(2)으로 이루어지는 방음벽으로서, 상기 방음판(2)의 외곽을 이루며 상기 지주(1)와 지주(1) 사이에 조립식으로 설치되는 육면체 형상의 외부 프레임(10)과, 상기 외부 프레임(10)의 전면측과 후면측에 설치되는 다공성 방음재(20)와, 상기 외부 프레임(10)에 양측이 지지되어 회전 수단에 의해 회전되도록 상기 외부 프레임(10)의 내부에 설치된 회전 흡음판(30)과, 상기 외부 프레임(10)의 상면과 하면에 각각 배치되고, 상기 회전 흡음판(30)이 한 방향으로만 회전할 수 있도록 역회전 방지턱(70)을 가지는 고정 흡음재(40)와, 상기 회전 흡음판(30)이 90°이상 회전 변위하지 않도록 외부 프레임(10)의 전면 및 후면의 내측 일부위에 각각 형성된 고정 돌기부(50)와, 상기 회전 흡음판(30)의 무게 중심이 하부에 위치되도록 회전 흡음판(30) 하단부에 설치된 무게캡(60)을 포함한다. 
       
     방음벽, 방음판, 흡음판, 자석, 풍하중
Patent KR-20090050713-A (KR)
Inventor: KIM HU NAM
IPC: G08G1/09
Filed: 2007-11-16
Abstract: 본 발명은 터널 안전유도등에 관한 것으로, 본체(2)와, 상기 본체(2)의 측면에 설치되며 다수의 LED(40)로 구성된 표시부(4)와, 상기 본체(2) 내에 장착되며 상기 표시부(4)의 동작을 제어하는 제어부(6)와, 정전시 상기 제어부(6) 및 표시부(4)에 전원을 공급하는 전원공급부로 구성되며, 상기 본체(2)의 상부면에 상기 제어부(6) 및 전원공급부(8)에 대응되는 통공(20)이 형성되고, 상기 통공(20)에 커버(3)가 설치되어 이루어진다. 
     본 발명에 따르면, 커버를 열어 전원공급부의 교환이나 수리가 이루어질 수 있으므로 작업시간이 단축될 수 있고, 안전유도등의 재사용이 가능하여 자원절약과 비용절감의 효과를 얻게 된다. 
       
     유도등, 터널, 커버, 분리
Patent KR-20090052688-A (KR)
Inventor: JONG MAN KYO
IPC: H01L23/12
Filed: 2007-11-21
Abstract: 본 발명은 적층된 반도체 칩을 포함하는 전력 소자 패키지에 관한 것이다.  본 발명의 일실시예에 따른 전력 소자 패키지는, 적어도 하나 이상의 제 1 다이 어태치 영역을 포함하는 기판; 상기 다이 어태치 영역 상에 순차대로 적층되는 적어도 하나 이상의 제 1 전력 반도체 칩 및 제 2 전력 반도체 칩; 상기 제 1 전력 반도체 칩과 상기 제 2 전력 반도체 칩들 사이에 배치되는 적어도 하나 이상의 다이 어태치 패들; 및 상기 제 1 전력 반도체 칩 및 상기 제 2 전력 반도체 칩 중 적어도 하나와 전기적으로 연결되는 복수의 제 1 리드들을 포함하며, 상기 다이 어태치 패들은 상기 제 1 전력 반도체 칩의 상면에 부착되는 접착층; 상기 제 2 전력 반도체 칩의 저면이 탑재되는 제 2 다이 어태치 영역 및 상기 제 2 다이 어태치 영역과 전기적으로 연결된 와이어 본딩 영역을 포함하는 도전성 패턴; 및 상기 접착층과 상기 도전층 사이의 층간 부재를 포함한다. 
     
     스택형 전력 소자 패키지, 스마트 전력 소자, 인텔리전트 전력 소자 패키지
Patent KR-20090054286-A (KR)
Inventor: CHOI SANG IL
IPC: F04B17/04
Filed: 2007-11-26
Abstract: 본 발명에 의한 압축기용 모터 및 이를 적용한 왕복동식 압축기에서 알루미늄 코일을 사용하는 기술에 관한 것이다. 본 발명은 알루미늄 코일을 사용하고 메인슬롯부와 서브슬롯부의 단면적과 개수를 사용조건에 맞게 설계함에 따라 압축기용 모터 및 왕복동식 압축기의 재료비용을 크게 절감할 수 있다. 또, 고정자의 내경 대비 티스부의 폭길이를 적정하게 설계하여 알루미늄 코일을 사용함에 따른 압축기용 모터 및 왕복동식 압축기의 기동토크 저감을 미연에 방지할 수 있다. 
       
     왕복동식 압축기, 압축기용 모터, 고정자, 알루미늄 코일
Patent KR-20090054694-A (KR)
Title: Method of feedback transmission and adaptive transmission in radio communication system
Inventor: KIM YUN HEE
IPC: H04L1/12
Filed: 2007-11-27
Abstract: A method for feedback transmission and adaptive transmission in a wireless communication system is provided to improve data transmission efficiency by supporting a band-AMC mode and a diversity mode in time division or frequency division at the same time. A user terminal extracts the channel quality information from a receiving signal and selects a sub band to perform the feedback of the channel quality information(S10). The user terminal feeds back the channel quality information to a base station according to the selection of the sub band(S20). The base station determines the existence of the sub band channel quality information and detects the channel quality information(S30). The base station transmits an adaptive transmission waveform according to the transmission mode by determining the transmission mode by the channel quality information which is fed back(S50). The user terminal receives the adaptive transmission waveform transmitted from the base station and recovers the received waveform according to the determined transmission mode(S60).
Patent KR-20090058046-A (KR)
Title: Micro reactor system for bio diesel
Inventor: MIN YOUNG SUN
IPC: C10L1/32
Filed: 2007-12-04
Abstract: A biodiesel manufacturing device using the micro-reactor system is provided, which enables to produce biodiesel using the simple facility. A biodiesel manufacturing device using the micro-reactor system is constituted as follows. In a container which is connected to the nitrogen gas-tube, is formed in the pressure vessel shape, and contains methanol and a container which is connected to the nitrogen gas-tube, is formed in the pressure vessel shape, and contains cooking oil, the upper pressure is controlled by a regulator and the solution is discharged to the lower part. Each pipe enters the micro-reactor through a check valve and a flow metering valve of the low pressure and a flow metering valve of the high-pressure line.
Patent KR-20090063554-A (KR)
Title: Atm for the blind
Inventor: YOON YOU HOON
IPC: G07F19/00
Filed: 2007-12-14
Abstract: An automatic teller machine for the blind is provided, which enables to perform quick and complementary financial transaction. An automatic teller machine comprises the card reader part(100), the guide portion(110), the manipulation part(200), the cash receiving and paying part(120), the communications unit(130), the display unit(140), the memory unit(150), and the controller(300). The card reader part reads the card of a user and is supplied with the information of the user. The guide portion outputs the guiding information toward the performance of the financial transaction. The manipulation part is comprised of the button portion(210) and the vibrator(220). The vibrator outputs the different vibration to each button equipped in the button portion. The display unit outputs the input information of the user inputted from the card reader part and manipulation part. The memory unit stores the input information and account information of user.
Patent KR-20090065574-A (KR)
Inventor: KANG MYUNG HWAN
IPC: A47C7/44
Filed: 2007-12-18
Abstract: A multi-purpose chair is provided to allow a reading stand to be attached, thereby improving the convenience of reading. A multi-purpose chair comprises a desk plate combined to a fixing pipe(2), a hooking bolt hung to a supporting projection(7) at the back side of a supporting pillar, a back plate pillar(3) installed at the shaft pin installed inside, a tensile spring connecting the fixing pipe and the back plate pillar, and two connecting rods(9) supporting the reading plate(8) installed at the front part of the both fixing pipes.
Patent KR-20080063709-A (KR)
Title: White led device and light source module for lcd backlight using the same
Inventor: YOON CHUL SOO
IPC: H01L33/56
Filed: 2007-12-26
Abstract: A white light emitting device and a light source module for an LCD(Liquid Crystal Display) backlight using the same are provided to implement high color reproduction characteristics by using a blue LED(Light Emitting Device) chip having a dominant frequency of a specific range, a red color fluorescent material, and a green color fluorescent material. A blue LED chip(103) has a dominant frequency of 430 to 455 nm. A red color fluorescent material(112) is arranged around the blue LED chip, and is excited by the blue LED chip to emit a red color light. A green color fluorescent material(114) is arranged around the blue LED chip, and is excited by the blue LED chip to emit a green color light. A color coordinate of the red color light emitted from the red color fluorescent material are set in a region surrounded by four vertexes of (0.5448,0.4544), (0.7079,0.2920), (0.6427,0.2905), and (0.4794,0.4633) on the basis of CIE 1931 color coordinates. A color coordinate of the green color light emitted from the green color fluorescent material are set in a region surrounded by four vertexes of (0.1270,0.8037), (0.4117,0.5861), (0.4197,0.5316), and (0.2555,0.5030) on the basis of the CIE 1931 color coordinates. The red color fluorescent material is represented by (Sr,Ba,Ca)AlSiN3:Eu, and the green color fluorescent material is expressed by (Sr,Ba,Ca)2SiO4:Eu.