baber/WOPTO huggingface dataset:
Patent KR-20220023801-A (KR)
Inventor: HONG YOON
IPC: A47G19/22
Filed: 2020-08-22
Abstract: The present invention relates to a drinking cup having a handle by which the cup can be easily picked up. According to the present invention, the handle is formed on the side of a cup body so that the cup can be easily held and used even when the cup body is filled with hot or cold beverage.
Patent KR-20220029082-A (KR)
Title: Mobile robot
Inventor: YANG HYAE SIK
IPC: B25J19/00
Filed: 2020-09-01
Abstract: A mobile robot according to an embodiment comprises a conveying member; and a work member disposed on the conveying member, wherein the conveying member includes a first sensor member disposed on a side surface of the conveying member and a second sensor member spaced apart from the first sensor member. The first sensor member senses an obstacle in the horizontal direction of the conveying member, and the second sensor member senses an obstacle in the vertical direction of the conveying member. An embodiment is intended to provide the mobile robot that is easy to move and has improved process precision.
Patent KR-20220032840-A (KR)
Inventor: SEONG NACKGYUN
IPC: H04B1/44
Filed: 2020-09-08
Abstract: A splitter circuit, a front end module, and an operating method thereof can be disclosed. The splitter circuit may comprise a signal distributor, a first bypass circuit, and a second bypass circuit. The signal distributor can separate and transmit a first radio frequency (RF) signal received in a first reception mode in which a first communication method and a second communication method are simultaneously performed. The first bypass circuit can transmit a second RF signal received in a second reception mode in which the first communication method is performed, by bypassing the signal distributor. In addition, the second bypass circuit can pass a third RF signal received in a third reception mode in which the second communication method is performed, by bypassing the signal distributor.
Patent KR-20220034945-A (KR)
Inventor: KIM BUEM JOON
IPC: H01L23/528
Filed: 2020-09-11
Abstract: A display device is provided. The display device comprises: a first substrate; a first electrode and a second electrode disposed on the first substrate and spaced apart from each other; a first insulating layer disposed on the first electrode and the second electrode; a plurality of first light emitting elements disposed on the first insulating layer and having both ends disposed on the first and second electrodes; a first connection electrode disposed on the first electrode to be in contact with first ends of the first light emitting elements, and a second connection electrode disposed on the second electrode to be in contact with second ends of the first light emitting elements; a second insulating layer disposed on the first light emitting elements, the first connection electrode, and the second connection electrode; a plurality of second light emitting elements disposed on the second insulating layer and having both ends disposed on the first and second electrodes; and a third connection electrode disposed on the first connection electrode to be in contact with first ends of the second light emitting elements, and a fourth connection electrode disposed on the second connection electrode to be in contact with second ends of the second light emitting elements. According to the present invention, the luminance per unit area is increased.
Patent KR-20220034440-A (KR)
Title: Remote control system of automatic 2D/3D packing apparatus for liquid type product
Inventor: LEE JONG SU
IPC: B65B65/08
Filed: 2020-09-11
Abstract: The present invention relates to a remote multi-control system for automatically packaging liquid 2D/3D products. The remote multi-control system improves productivity and reduces production cost. The system comprises a 3D automatic packaging device, a quantity measurement sensor, a main control unit, and a wireless terminal.
Patent KR-20210036852-A (KR)
Title: Media content system for transferring a playback marker between network-connected playback devices
Inventor: SCHNEIDER EVAN
IPC: H04N21/4363
Filed: 2020-09-25
Abstract: Provided is a media content system having a receiver, which receives a request for transmitting a playing marker from a first network-connected playing device to a second network-connected playing device, and receives a playing marker from the first network-connected playing device. The playing marker displays the time when the playing of the media content is stopped in the first network-connected playing device. In addition, the media content system has a processor, which generates a stop command for stopping the playing of the media content in the first network-connected playing device, and generates a playing command for resuming the playing of the playing marker in the media content in the second network-connected playing device. Additionally, the media content system has a transmitter, which transmits the playing marker to the second network-connected playing device so that the second network-connected device performs resuming of the playing at the time indicated by the playing marker.
Patent KR-20220043962-A (KR)
Inventor: JO DU HWAN
IPC: C08K3/04
Filed: 2020-09-28
Abstract: In order to provide a material which has excellent weather resistance and heat radiation properties to be suitable for a solar cell, the present invention relates to a complex resin composition having excellent weather resistance and heat radiation properties, a complex resin coated steel sheet obtained therefrom, and a method for preparing the same. The complex resin composition includes a main material resin based on a modified polyester resin, a hardener, a pigment, a catalytic agent, and a solvent.
Patent KR-20220042827-A (KR)
Inventor: LEE YOUNGJAE
IPC: F23C5/02
Filed: 2020-09-28
Abstract: In accordance with the present invention, a boiler is provided. The boiler includes: a boiler housing (100); and a burner (200) connected to the inside of the boiler housing (100). The boiler housing (100) includes: a main combustion chamber (110) in which flameless combustion is performed; a heat exchange chamber (120) located on one side of the main combustion chamber (110), connected to the main combustion chamber (110), and having a heat exchange particle (121) provided on the inside thereof; a partition (130) located between the main combustion chamber (110) and the heat exchange chamber (120), and having a hole (131); and a heat exchanger (140) located on the inside of the boiler housing (100), and located through the main combustion chamber (110) and the heat exchange chamber (120). Flue gas (G) produced due to combustion in the main combustion chamber (110) is transferred to the heat exchange chamber (120) along the hole (131). Therefore, the present invention is capable of reducing costs for maintenance due to a reduction in thermal fatigue.
Patent KR-20220050336-A (KR)
Inventor: UICHOON LEE
IPC: G03G15/00
Filed: 2020-10-16
Abstract: As an operating method of an image forming device, the method comprises: a step of activating, for work of a specific condition, a burst mode function that provides a speed higher than that of a threshold speed set in a normal speed mode; a step of determining whether the request work satisfies the specific condition; a step of setting a speed mode of the request work that satisfies the specific condition to a burst mode; and a step of controlling the devices related to image formation to operate in the burst mode, when a processing order of the request work is reached.
Patent KR-20200145790-A (KR)
Inventor: SUNGGI KIM
IPC: H02K5/16
Filed: 2020-10-20
Abstract: According to one embodiment of the present invention, disclosed is a motor assembly comprising: a rotary shaft; an impeller installed on the rotary shaft; a rotor installed on the rotary shaft to be separated from the impeller at a predetermined interval in an axial direction of the rotary shaft; a stator surrounding the outer side of the rotor to be separated from the rotor at a predetermined interval in a radial direction of the rotary shaft; a first bearing installed on the rotary shaft to be adjacent to the impeller between the impeller and the rotor to support a first support portion of the rotary shaft; a second bearing installed on the rotary shaft to be adjacent to the rotor between the impeller and the rotor to support a second support portion of the rotary shaft; a bearing bracket accommodating the first bearing and the second bearing; an elastic member interposed between the first bearing and the bearing bracket or between the second bearing and the bearing bracket to press one of the first bearing and the second bearing in a direction in which the first bearing and the second bearing are close to each other; and a separation prevention member installed in the bearing bracket and at least partially overlapping one of the first bearing, the second bearing, and the elastic member with respect to the axial direction of the rotary shaft to fix the first bearing, the second bearing, and the elastic member to an inner space of the bearing bracket. According to the present invention, noise and vibration can be reduced by improving the alignment between two bearings.
Patent KR-20220052674-A (KR)
Inventor: CHI HO JUNE
IPC: B29L31/00
Filed: 2020-10-21
Abstract: The present invention relates to a molding device of a pouch-type battery case using electromagnetic field and a molding method of a pouch-type battery case using the same. Specifically, the molding device of a pouch-type battery case comprises: a punch molding the pouch-type battery case by pressurizing a laminate sheet; a die having an accommodating portion of a size corresponding to an electrode assembly accommodating portion molded by the punch; and a holder for fixing an outer periphery of the laminate sheet, wherein a means for generating electromagnetic field is added to the punch.
Patent KR-20220053111-A (KR)
Inventor: CHO BONG HO
IPC: E04F13/08
Filed: 2020-10-21
Abstract: An exterior material support structure is disclosed. The exterior material support structure comprises: a vertical material fixated and installed on a wall; a horizontal material; a horizontal material installation bracket enabling the horizontal material to be disposed in perpendicular to the vertical material; and an angle installation bracket connecting an angle to the horizontal material, where the exterior material is fixated to the angle.
Patent KR-20220060666-A (KR)
Inventor: JANG KI SEUNG
IPC: G01R31/371
Filed: 2020-11-05
Abstract: The present invention relates to a vehicle diagnostic information collecting device for vehicle voltage measurement and to a vehicle voltage measuring method using the same. The device is configured to measure the input voltage of the vehicle through a voltage measurement unit constituting a diagnostic interface block under the control of a diagnostic application constituting a diagnostic program part, and digitize and graph the vehicle input voltage measured through the voltage measurement unit using the diagnostic application to display the same, so as to simply check the battery voltage of the vehicle and the battery voltage drop when the vehicle is started by simply connecting the vehicle diagnostic information collecting device to a vehicle diagnostic socket.
Patent KR-20220061297-A (KR)
Inventor: CHOI MYUNG GIL
IPC: B65H41/00
Filed: 2020-11-05
Abstract: The objective of the present invention is to provide a film peeling device capable of simultaneously peeling four sides of a film. According to the present invention, a film peeling device comprises: a chamber; a lower stage disposed on a first wall of the chamber; first to fourth grippers capable of simultaneously peeling first to fourth side surfaces of the film attached to an object to be peeled disposed on the lower stage by gripping the first to fourth side surfaces of the film attached to the object to be peeled, respectively; and an upper stage disposed on a second wall of the chamber opposite to the first wall, and capable of extending a length in a first direction in which the object to be peeled is disposed on the second wall.
Patent KR-20210080186-A (KR)
Title: Super absorbent polymer composition
Inventor: PARK SE YEOL
IPC: C08K5/11
Filed: 2020-11-06
Abstract: The present invention relates to a super absorbent polymer composition, and more specifically, to a super absorbent polymer composition, in which aggregation between polymer particles is suppressed by including an additive of a specific structure, thereby not requiring additional pulverization process after a drying process.
Patent KR-20220062794-A (KR)
Title: An electroluminescent compound and an electroluminescent device comprising the same
Inventor: YANG BYUNG SUN
IPC: H01L51/00
Filed: 2020-11-09
Abstract: The present invention relates to an anthracene derivative compound containing a polycyclic compound structure capable of realizing an organic light emitting device having excellent driving voltage characteristics and high efficiency when employed in a light emitting layer in an organic light emitting device, and the organic light emitting device including the same. The organic light emitting device employing the anthracene derivative compound containing a polycyclic compound according to the present invention as a host compound in the light emitting layer can be usefully used in various display and lighting industries because of low driving voltage and improved light emitting efficiency.
Patent KR-20220070094-A (KR)
Title: Composition for improving dermatitis comprising extract of Weigela subsessilis having antioxidant activity as effective component
Inventor: JUNG CHAN HUN
IPC: A23L33/105
Filed: 2020-11-20
Abstract: The present invention relates to a composition for alleviating dermatitis containing, as an active ingredient, an extract of Weigela florida having antioxidant activity. The extract of Weigela florida has antioxidant activity, and has an excellent effect of reducing inflammatory cytokine production in inflammation-induced cells, an inflammatory cytokine production reduction effect in cells treated with acne-causing bacteria, and antibacterial activity against acne-causing bacteria, thereby being able to be usefully used as the composition for alleviating atopic dermatitis or acne.
Patent KR-20220069497-A (KR)
Title: Method for operating alerting lamp
Inventor: KANGYOUNGBIN
IPC: G06Q50/30
Filed: 2020-11-20
Abstract: According to an embodiment of the present invention, a method for operating an emergency light based on a taxi call application comprises: a departure and destination receiving process in which a taxi terminal receives information on the departure and destination of a passenger; an approach distance arrival signal transmission process in which when reaching the approach distance of the departure or the destination, the taxi terminal generates an approach distance arrival signal and transmits the same to an interface module; an emergency light flash request signal transmission process in which when receiving the approach distance arrival signal, the interface module generates an emergency light flash request signal and transmits the same to a vehicle electronic control unit; and an emergency light flash process in which when receiving the emergency light flash request signal, the vehicle electronic control unit performs control so that an emergency light flashes. Therefore, provided is a means for automatically flashing the emergency light without manually flashing the same when a taxi arrives at the departure of a taxi passenger or the destination of a taxi passenger being in the taxi due to a taxi call.
Patent KR-20220071357-A (KR)
Title: Composition for intraperitoneal administration for the prevention or treatment of ovarian cancer
Inventor: KIM KWANGMEYUNG
IPC: A61P35/00
Filed: 2020-11-24
Abstract: The present invention relates to a pharmaceutical composition for treating or preventing recurrence of ovarian cancer through intraperitoneal administration in which, compared to conventional anticancer drugs (doxorubicin), continuous and excellent ovarian cancer treatment efficacy can be expected. In particular, the composition for intraperitoneal administration according to the present invention has excellent ovarian cancer accumulation efficiency and selectivity compared to conventional anticancer drugs through accurate administration route and dose control, and exhibits little toxicity to normal tissues unlike the same amount of anticancer drugs.
Patent KR-20220072401-A (KR)
Title: 조영제 주입 장치 및 이의 사용방법
Inventor: WOO SEUNG TAE
IPC: A61M5/168
Filed: 2020-11-25
Abstract: 본 개시는 조영제 주입 장치에 있어서, 조영제가 저장된 조영제 시린지; 희석액이 저장된 희석액 시린지; 조영제와 희석액이 혼합되는 혼합부; 특정값이 입력되는 입력부; 그리고 입력된 특정값으로부터 조영제의 농도를 결정하는 제어부;를 포함하며,특정값은 조영제의 종류, MRI 장치의 자기장 세기 및 MRI 장치의 시퀀스 파라미터(sequence parameter)인 FA prep (Flip Angle of preparation pulse), TI(Inverse Time), FA ex (Flip Angle of excitation pulse), TR(Repetition Time) 및 TE(Echo Time) 중 적어도 하나인 조영제 주입 장치 및 이의 사용방법에 대한 것이다. 본 개시에 의하면, MRI 장치에 의한 의료 영상을 얻는 조영제 농도를 자동으로 조절해 주어 조영제의 조영 효과를 최적으로 얻을 수 있는 조영제 주입 장치를 제공한다.
Patent KR-20220075570-A (KR)
Title: 심미성 지르코니아 기성형 크라운의 제조방법
Inventor: LEE TAE SUNG
IPC: A61C13/083
Filed: 2020-11-30
Abstract: 본 발명은 사출성형 및 소결로 제작하고, 침지방식으로 색조를 확보하고 등방압 가열을 통해 치밀한 조직을 형성하는 치아수복용 지르코니아 기성형 크라운에 관한 것이다. 본 발명은, 이트리아가 3~5%첨가된 지르코니아 분말을 사출방식으로 성형하는 단계, 이를 소결하여 탈지하는 예비 소결단계 및 냉각하는 1차 냉각단계, 상기 냉각된 예비 소결체를 열처리하는 2단계 열처리단계 및 냉각하는 냉각단계, 이를 금속염화물 수용액에 침지 및 건조하는 단계, 이를 2차소결 및 냉각하는 단계, 이를 등방 가압 소결하는 단계를 포함하는 것을 특징으로 한다. 이에 자연치에 근접한 심미적 지르코니아 기성형 크라운을 제작할 수 있으며 대량생산이 가능한 생산량을 확보하는 효과를 제공한다.
Patent KR-20220015288-A (KR)
Title: Crops stem fixture
Inventor: NO IK HWAN
IPC: A01G9/12
Filed: 2020-11-30
Abstract: The present invention relates to a crop stem fixture using fixing straps transversely arranged on both sides of a crop stem. The fixture includes: a main body surrounding a part of the stem; a first locking member extending from one end of the main body toward the direction opposite to the extension direction of the one end and forming the space between the main body and itself as a first accommodating space; and a second locking member extending from the other end of the main body toward the direction opposite to the extension direction of the other end and forming the space between the main body and itself as a second accommodating space. In a state where the fixing strap is inserted and accommodated in the first accommodating space, the main body is rotated to twist the fixing strap of the first accommodating space. Then, the fixing strap is inserted into and accommodated in the second accommodating space and a closed cross section surrounding the stem is formed with the fixing strap. As a result, the fixing strap is maintained in position by friction with the first locking member and the other end of the main body in the first accommodating space, and installation is facilitated.
Patent KR-20220077222-A (KR)
Inventor: SHIM JIN KIE
IPC: B05D3/00
Filed: 2020-11-30
Abstract: 본 발명은 셀룰로오스 나노섬유를 포함하는 배리어성 필름 제조방법에 관한 것으로, 구체적으로는, 소수성 기재 상에 별도의 접착제 없이 플라즈마 처리하여 접착력을 높이고, 친환경 소재인 카르복실기를 포함한 친수성 셀룰로오스 나노섬유를 스프레이 코팅방법으로 배리어층을 코팅하여 종래의 포장재 재생이 어려워 환경오염의 문제점을 해결한 수분 및 가스 차단성 필름을 제공하는 것에 관한 것입니다.
Patent KR-20220080255-A (KR)
Title: 추비용 액비 생산 거품 파쇄기 이의 동작 방법 및 이를 포함하는 고농도 입자상물질 저감 시스템
Inventor: JANG JAE KYUNG
IPC: C05F3/06
Filed: 2020-12-07
Abstract: 본 출원의 일 실시예에 따른 추비용 액비 생산 거품 파쇄기는 고농도 입자상물질 저감 시스템의 미세버블 부상분리장치로부터 일정 거리 이격된 위치에 배치된 수용부, 상기 미세버블 부상분리장치에서 발생하는 거품을 상기 수용부로 이송시키기 위한 수거 동작을 수행하는 수거부 및 상기 수용부에 수용된 상기 거품을 액상으로 파쇄시키고, 상기 액상을 상기 수용부의 일정 높이에서 내부 방향으로 살수(sprinkling) 방식으로 살포하는 파쇄부를 포함한다.
Patent KR-20220080372-A (KR)
Title: 바인더의 함량이 조절된 ega 및 이를 포함하는 연료전지 스택
Inventor: LEE WOO JIN
IPC: H01M8/023
Filed: 2020-12-07
Abstract: 본 발명은 EGA(Electrode Gas diffusion layer assembly) 및 이를 포함하는 연료전지 스택에 관한 것으로써, 전극 내 바인더의 함량, 및 전극과 가스확산층(GDL)을 접착하는 접착층 내 바인더의 함량을 최적화로 조절시킴으로써, 이를 포함하는 EGA의 플러딩 및 내열화에 의한 내구/성능 저하에 대한 개선을 가능하게 하여 트레이드-오프(trade-off)를 최소화시키면서도 단위면적 당 출력 밀도가 향상된다는 장점이 있다.
Patent KR-20220083434-A (KR)
Title: 연산 회로, 그것의 연산 방법 및 뉴럴 네트워크 장치
Inventor: BYUNGMIN AHN
IPC: G06N3/04
Filed: 2020-12-11
Abstract: 본 개시에 따르면, 뉴럴 네트워크 시스템에 사용되는 연산 회로의 연산 방법은, 복수의 웨이트 벡터들을 포함하는 웨이트 매트릭스를 이용해 최적화된 웨이트 매트릭스를 획득하는 단계 및 최적화된 웨이트 매트릭스 및 입력 피처 데이터를 이용해 곱셈 및 누적 연산을 수행하는 단계를 포함할 수 있고, 최적화된 웨이트 매트릭스를 획득하는 단계는, 복수의 웨이트 벡터들 각각에 대해, '0' 또는 '1'로만 표현된 웨이트 벡터를 이용해 '-1', '0' 또는 '1'로만 표현된 적어도 하나의 후보 웨이트 벡터를 획득하는 단계, 최적화 알고리즘을 이용해, 복수의 웨이트 벡터들 각각에 대해, 적어도 하나의 후보 웨이트 벡터 중 하나의 웨이트 벡터를 선택하는 단계 및 복수의 웨이트 벡터들 각각에 대해 선택된 웨이트 벡터들을 병합함으로써 획득된 매트릭스에서 상위 열의 '0'을 제거하는 과정을 통해 최적화된 웨이트 매트릭스를 획득하는 단계를 포함할 수 있다.
Patent KR-20220084525-A (KR)
Title: 백내장 치료 및 예방용 안약 조성물
Inventor: OH HEUNG SOON
IPC: C12R1/82
Filed: 2020-12-14
Abstract: 본 발명은 백내장 치료 및 예방용 안약 조성물에 관한 것으로, 고반분말과 죽염분말의 혼합물에 푸른곰팡이 ( penicillium )를 접종하여 발효시킨 발효액을 유효성분으로 포함하는 것을 특징으로 하는 본 발명에 따른 안약 조성물은 백내장의 예방 및 치료효과를 가지면서 인체에 매우 안전하다. 따라서, 본 발명에 따른 안약 조성물은 백내장 치료 및 예방으로 위한 안약 제제로서 매우 유용하게 사용될 수 있을 것으로 기대된다.
Patent KR-20220084662-A (KR)
Inventor: KI SUNG KIM
IPC: G06F9/48
Filed: 2020-12-14
Abstract: 본 기술은 전자 장치에 관한 것으로, 보다 구체적으로 본 발명은 메모리 컨트롤러 및 이를 포함하는 저장 장치에 관한 것이다. 일 실시 예에 따른 메모리 컨트롤러는, 호스트로부터 제공된 요청에 응답하여 메모리 장치를 제어하는 메모리 컨트롤러에 있어서, 복구 불가능한 불량에 대한 정보를 나타내는 제1 불량 정보와 복구 가능한 불량에 대한 정보를 나타내는 제2 불량 정보를 저장하는 불량 정보 저장부, 메모리 컨트롤러에서 발생한 불량을 감지하고, 제1 불량 정보 및 제2 불량 정보 중 감지된 불량에 대응되는 불량 정보를 출력하는 불량 정보 출력부, 및 불량 정보가 제2 불량 정보이면, 제2 불량 정보로부터 감지된 불량의 유형을 확인하고, 감지된 불량의 유형에 따른 복구 동작을 수행하는 복구 동작 수행부를 포함한다.
Patent KR-20210002389-A (KR)
Inventor: KLASEN MEMMER MELANIE
IPC: C09K19/04
Filed: 2020-12-14
Abstract: The present invention relates to a liquid-crystalline medium comprising at least one compound of the formula (I) and, specifically, to use thereof for active-matrix displays based on VA, PSA, PS-VA, PALC, FFS, PS-FFS, PS-IPS or IPS effects: wherein R1, R1*, Z1, L1, and L2 have the meanings given in claim 1.
Patent KR-20220085321-A (KR)
Title: 비침습 3d 혈액 영상 및 성분 분석 장치
Inventor: LEE MIN HEE
IPC: A61B5/00
Filed: 2020-12-15
Abstract: 본 발명은 하기와 같은 구성을 가진다. 
동일한 간격의 빗살무늬 형태의 다중 파장 레이저 광 진동수 빗살을 발생하는 레이저광진동수빗살발생장치; 
상기 레이저광진동수빗살발생장치에서 발생된 레이저 광 진동수 빗살을 광 분할하여 기준팔(reference arm)과 시료팔(sample arm) 각각에 분배하는 광섬유분할기; 
기준팔을 구성하며, 상기 광섬유분할기에서 기준팔로 분배된 광을 반사하여 위상을 바꾸어주는 거울; 
시료팔을 구성하며, 상기 광섬유분할기에서 시료팔로 분배된 광을 시료 표면에 주사(scan)하는 MEMS-미러시스템(Microelectromechanical System, 미세전자기계시스템); 
상기 MEMS-미러시스템에서 발생된 광을 파장별로 나누어서 검출하는 제1수광부; 
상기 제1수광부에 의해 변환된 파장별 전하 신호를 입력하여 스펙트럼 분석을 수행하고 그 결과를 정보처리장치로 전송하는 DSP(Digital Signal Processing, 디지털신호처리프로세서)를 포함한다.
Patent KR-20220090098-A (KR)
Title: Oled 화소 증착을 위한 증착용 마스크
Inventor: KIM NAM HO
IPC: C23C14/12
Filed: 2020-12-22
Abstract: 실시예에 따른 증착용 마스크는, 제 1 면 및 상기 제 1 면과 반대되는 제 2 면을 포함하는 금속판을 포함하고, 상기 금속판은 철(Fe) 및 니켈(Ni)을 포함하고, 상기 금속판의 두께는 15㎛ 내지 30㎛이고, 상기 금속판은 상기 제 1 면에서부터 삼기 금속판 두께의 20%  이하의 깊이를 가지는 제 1 표면층; 및 상기 제 2 면에서 상기 금속판 두께의 20% 이하의 깊이를 가지는 제 2 표면층을 포함하고, 상기 제 1 표면층의 (111) 결정면에 대한 회절 강도를 I(111), (200) 결정면에 대한 회절 강도를 I(200), (220) 결정면에 대한 회절 강도를 I(220)으로 정의하였을 때, 상기 I(220)의 회절 강도 비율은 하기 수식 1로 정의되고, 
[수식 1] 
A = I(220)/(I(200)+I(220)+I(111)) 
상기 I(200)의 회절 강도 비율은 하기 수식 2로 정의되고, 
[수식 2] 
B = I(200)/(I(200)+I(220)+I(111)) 
상기 I(111)의 회절 강도 비율은 하기 수식 3으로 정의되고, 
[수식 3] 
C = I(111)/(I(200)+I(220)+I(111)) 
상기 A의 값은 상기 B의 값 및 상기 C의 값보다 크고, 상기 B의 값은 상기 C의 값보다 크고, 상기 A에 대한 상기 B의 비율(B/A)을 D로 정의할 때, 상기 D의 값은 0.5 내지 1 미만이다.