baber/WOPTO huggingface dataset:
Patent KR-20010108756-A (KR)
Inventor: LIM CHAE DEOK
Filed: 2000-05-31
Abstract: 본 발명은 마이크로컨트롤러의 구조에 디지털 신호 처리를 위한 DSP 엔진 및 오디오 비트 스트림 프로세싱을 위한 BSP 엔진을 원-칩화시켜 별도의 하드웨어 추가없이 칩 면적 및 시스템 구현 비용을 줄이고, 성능을 개선시킨, 원-칩 오디오 시스템 프로세서를 제공하기 위한 것으로, 이를 위해 본 발명은 시스템 버스에 연결되어 시스템을 제어하기 위한 마이크로컨트롤러; 상기 마이크로컨트롤러로부터 출력되는 비트 스트림 데이터를 비트 스트림 프로세싱에 응답된 바이트 얼라인 포맷으로 변환시켜 저장하는 비트 스트림 수신 수단; 오디오 스트림의 엔코딩 포맷에 응답하여 상기 비트 스트림 수신 수단으로부터 출력되는 코딩된 데이터를 디지털 신호 프로세싱에 응답된 포맷으로 디코딩하는 비트 스트림 프로세싱부; 상기 비트 스트림 프로세싱부로부터 출력되는 디지털 신호 프로세싱 포맷으로 디코딩된 데이터를 입력받아 디지털 신호 프로세싱 알고리듬을 따라 디지털 신호 프로세싱을 수행하는 디지털 신호 프로세싱부; 및 상기 시스템 버스에 연결되어 상기 비트 스트림 수신 수단, 상기 비트 스트림 프로세싱부, 상기 디지털 신호 프로세싱부를 상기 마이크로컨트롤러의 제어 프로그램으로 제어하기 위한 글로벌 제어 수단을 포함한다.
Patent KR-20010109026-A (KR)
Inventor: LEE SEONG SU
Filed: 2000-06-01
Abstract: 본 발명의 무역 거래 중개 방법은 중앙 처리 장치, 저장 장치를 포함하며, 수출업자 및 수입업자와 네트웍을 통한 통신 경로를 가지며, 수출업자와 수입업자 사이의 무역 거래를 중개하는 거래 중개 수단을 포함하며, 상기 거래 중개 수단이 상기 수출업자와 수입업자 사이의 무역 거래 계약 체결을 통지받고, 상기 거래 중개 수단이 상기 수출입자와 수입업자의 상기 무역 거래 계약에 따른 계약금 전송 입금 사실을 통지받고, 제1조건이 만족하면 상기 거래 중개 수단이 수출입자의 계약금을 상기 수출업자에게 돌려주도록 결정한다.  본 발명의 거래 중개 방법은 거래 중개 수단이 상기 판매자와 구매자 사이의 거래 계약 체결을 통지받고, 거래 중개 수단이 상기 판매자와 구매자의 상기 거래 계약에 따른 계약금 전송 입금 사실을 통지받고, 제3조건이 만족하면 상기 거래 중개 수단이 판매자와 구매자의 계약금을 상기 판매자에게 송금하도록 결정한다. 본 발명에 따르면, 상거래의 쌍방 당사자의 거래 위험을 보증할 수 있다. 또한, 국제간의 무역 거래 당사자의 상호 위험을 보증할 수 있다.
Patent KR-20010007230-A (KR)
Inventor: MAENG SEUNG JU
IPC: H04W76/02
Filed: 2000-05-31
Abstract: PURPOSE: A device for transmitting intermittent channels in a communication system of a code division multiple access(CDMA) is provided to minimize a time taken in a synchronization recapturing step of a base station to simultaneously prevent an interference between links from being increased, so as to reduce a using time of a mobile station to improve a service capacity. The device is provided to make gating rates of both links different, so as to raise a power control rate to increase a capacity improvement and a cell capacity by reducing a power control delay. CONSTITUTION: A mobile station equips an intermittent transmission controller which controls an intermittent transmission of a reverse dedicated control channel signal according to a gating rate corresponding to an up-link. A base station equips an intermittent transmission controller which controls an intermittent transmission of a forward dedicated control channel signal according to a gating rate corresponding to a down-link.
Patent KR-20010112536-A (KR)
Title: Actuator controlling apparatus
Inventor: LEE JIN DONG
IPC: G05B19/414
Filed: 2000-06-08
Abstract: This invention concerns a composition comprising a blend of polyolefin with the reaction of a functionalized polyolefin and polyetheramine in which the polyetheramine is grafted into the functionalized polyolefin in a customary mixing apparatus. A process for producing the reaction product of functionalized polypropylene and polyetheramine by melting with polypropylene in a customary mixing apparatus is also disclosed. Blends of the present invention are advantageously useful to prepare paintable automative body parts. This invention further includes dyeable polyolefin compositions containing the reaction product of functionalized polyolefin and polyetheramine. Dyeable polyolefin fibers, including polypropylene fibers, are disclosed, which may be made by melt spinning, and which may be employed to make woven and non- woven fabric. The polyolefin employed in the practice of this invention may be a flexible polyolefin.
Patent KR-20010111327-A (KR)
Inventor: LEE GOO YEON
Filed: 2000-06-09
Abstract: 본 발명은 인터넷상에서 제공되는 광고의 효과를 높이기 위하여 인터넷상에서 다운로드되는 파일에 광고를 부착하는 시스템 및 방법에 관한 것이다. 
     상술한 본 발명의 목적을 달성하기 위하여, 본 발명은 자료파일의 다운로드서비스를 제공하는 매체제공부와; 다수개의 광고파일을 저장하는 광고저장부와; 상기 광고저장부와 상기 매체제공부와 연결되어 있고, 이용자가 상기 매체제공부의 자료파일을 다운로드받을 때, 상기 광고저장부에 저장된 광고 중 적어도 하나를 상기 매체제공부에서 다운로드되는 파일에 삽입하여 전송하는 제어부를 포함하는 인터넷 광고 시스템을 제공한다.
Patent KR-20010111646-A (KR)
Inventor: KANG SEONG HO
Filed: 2000-06-12
Abstract: 본 발명은 자동차 쿨링 박스의 열전소자 냉각장치에 관한 것으로서, 자동차용 쿨링 박스의 일측에 설치된 열전소자가 공기조화장치의 송풍기에 의하여 송풍되는 공기와 열교환되어 냉각되도록 함으로써 열전소자의 냉각을 위한 별도의 냉각팬 사용을 배제하는 것을 목적으로 한다. 
     본 발명에 따른 장치는, 입구단에 송풍기(4)가 설치되고 내부유로중에 증발기(2)가 설치된 공기조화장치의 공기조화케이스(1) 외부 일측에, 상기 송풍기(4)와 증발기(2) 사이의 유로 및 상기 증발기(2)의 후방유로와 통하는 덕트(5)가 연장설치되고; 상기 덕트(5)의 외부 일측에 덕트(5) 내부로 열전소자(61)의 발열부가 노출되도록 쿨링 박스(6)가 설치되며; 또한 상기 덕트(5)와 공기조화케이스(1)와의 결합부에는, 상기 덕트(5)와 송풍기(4)와 증발기(2) 사이의 유로를 선택적으로 개폐하는 제1도어(53)와, 상기 덕트(5)와 증발기(2)의 후방유로를 선택적으로 개폐하는 제2도어(54)가 차례로 설치되어 이루어진다.
Patent KR-20010113083-A (KR)
Inventor: KIM JONG IL
IPC: E05C3/14
Filed: 2000-06-16
Abstract: 본 발명은 도어록크의 핸들을 회전시킬 뿐만 아니라 반대편으로 누르거나 잡아 당겨도 개폐되도록 한 도어록크에 관한 것이다. 
     본 발명은 도어록크의 슬리브와 핸들을 회전과 동시 축 방향으로 이동 가능하게 설치하고, 상기 슬리브의 중앙을 절개시켜 요홈과 경사면을 일체로 형성하며, 상기 요홈에 록커와 연결된 작동암을 연결하여서 된 것이다. 
     이와 같이 구성된 본 발명은 내외측 핸들을 회전시킴에 따라 슬리브가 회전하고, 슬리브가 회전하면 그 요홈에 연결된 작동암이 편심량 만큼 이동하면서 록커를 잡아 당기거나 놓게 되어 도어가 개폐된다. 
     또한, 내외측 핸들을 밀거나 잡아 당기게 되면, 슬리브가 축 방향으로 이동하고, 이에 따라 상기 슬리브의 경사면과 슬라이딩 접촉하는 작동암이 이동하면서 록커를 잡아 당기거나 놓게 되어 도어가 개폐된다. 
     즉, 본 발명은 사용자가 내외측 핸들을 회전 또는 밀거나 잡아 당기면, 슬리브가 회전 및 축 방향으로 이동하면서 작동암을 이동시키고, 이에 따라 작동암과 연결된 록커도 이동하면서 문틀에 매설된 홀더로 부터 삽탈되어 도어가 개폐되는 것이다.
Patent KR-20020001481-A (KR)
Title: Steel form for cross beam concrete applicable to a P.C. beam method
Inventor: KIM JUN GYU
IPC: E01D19/00
Filed: 2000-07-11
Abstract: PURPOSE: A mold of a cross beam is provided to control the width and the height according to the condition of a PC(Pre-Concrete) beam and to install and dismantle simply. CONSTITUTION: A mold contains a pair of waller assays(100) to form a front face and a rear face of the mold by installing between a pair of PC beams; and a connecting member(110) to connect each waller assays. The waller assay contains a body panel; a first and a second side pillars(31,32) having plural sliders(34) toward the body panel; a guiding portion(12) to guide the sliders; a fixing portion(14) to fix the slider; and an align member(40) to fix the body panel in the PC beams and to fit the height. The lower panel assay contains a lower panel combined with the waller assay; and a lower pillar to slide lengthwise the lower panel by combining with the lower panel.
Patent KR-20000059164-A (KR)
Inventor: CHO OK LAE
IPC: G06F17/00
Filed: 2000-07-19
Abstract: PURPOSE: A manufacturing and managing system for family, group prints using internet is provided to allow the user to manufacture the family and group prints easily while the user purchases an editing program and to effectively process an image necessary to the family and group prints without extra course. CONSTITUTION: A manufacturing and managing system for family, group prints using internet is composed of a client(100), a web server(200), a member database(300), a circumstance set module(400), an input editing module(500), an image database(600), an image effect database(700), an image effect processing module(800), a prints storage database(900) and an output module(1000). The member database(300) inputs a member ID and password in order to receive an information when the client(100) wants to connect to the web server(200). The circumstance set module(400) sets the contents such as construction of family and group prints. The input editing module(500) inputs/edits news to be insert in prints manufactured in the circumstance set module(400). The image database(600) stores an information of image inserted in family and group prints. The image effect database(700) stores the contents which grants the effect of image inserted in family and group prints. The image effect processing module(800) grants the image effect stored at the image effect database(700) to image. The prints storage database(900) stores an information of completed family and group prints. The output module(1000) outputs the completed family and group prints according to request of client.
Patent KR-20000059252-A (KR)
Inventor: CHOI KYONG RAK
IPC: G06Q50/26
Filed: 2000-07-27
Abstract: PURPOSE: A method for managing the information of lost and acquired articles through communication networks is provided to easily and simply carry out the registration and search of lost and acquired articles through communication networks. CONSTITUTION: A loser inputs information relevant to a lost article(410). A lost article management server stores inputted lost article associated information in a lost article associated information database(420). The lost article management server stores lost article display information in a display information database(430). The lost article management server accesses an acquisition associated information database to search and extract matched acquisition associated information(440). If there is matched acquisition associated information(450), the lost article management server provides matched acquisition associated information to the loser through the web server(460).
Patent KR-20020011188-A (KR)
Title: Method for sending e-mail attached file in mobile wireless terminal
Inventor: PARK GEON YEONG
IPC: H04B1/38
Filed: 2000-08-01
Abstract: PURPOSE: A method for transmitting a file attachment E-mail in a portable wireless terminal is provided to easily write an E-mail having large contents and transmit the written E-mail by embedding a memory for storing the E-mail in the portable wireless terminal and storing a previous written or a file received from a PC in the memory. CONSTITUTION: A portable wireless terminal writes a new E-mail by a new E-mail writing request of a user(102,104). The written new E-mail is stored in a memory(106,108). The stored new E-mail is transmitted to an object terminal(110,112). A list of the E-mail stored in the memory of the portable wireless terminal is displayed to the user(200,202). The user selects a transmission object E-mail or a correction object E-mail from the E-mail list(204). The contents of the selected E-mail is confirmed and corrected(104). The confirmed or corrected E-mail is stored in the memory of the portable wireless terminal(106,108). The stored E-mail is transmitted to the object terminal(110,112).
Patent KR-20020014089-A (KR)
Inventor: LEE SANG CHEOL
IPC: F25D23/04
Filed: 2000-08-16
Abstract: PURPOSE: A refrigerator is provided to reduce the time of door opening and to restrain the loss of cooling air by accommodating food into a refrigerator and taking out food out of the refrigerator without door opening. CONSTITUTION: A refrigerator comprises a body(11) having a freezing chamber(13) and a refrigerating chamber(15) divided by a partition wall(14), plural drawers(21a-21d) slidably combined to the freezing chamber and the refrigerating chamber, and freezing chamber and refrigerating chamber doors(17,19) having drawer withdrawing ports(23a-23d) formed corresponding to the drawers. The drawer withdrawing ports are combined to the drawers via hinges. For withdrawing one of the drawers, a grip is pulled to open the withdrawing port. Upon pulling the grip, a roller received in a guide rail member(35) is withdrawn forward. Then, the drawer withdrawing ports are blocked up by the withdrawn drawers. Therefore, the loss of cooling air is reduced.
Patent KR-20020014339-A (KR)
Title: Alternative driving device for seperate paper-feeding portions
Inventor: JUNG YONG CHEOL
IPC: G03G15/00
Filed: 2000-08-17
Abstract: PURPOSE: A selective paper-feeding driver is provided to select one of a cassette paper feeder and a manual paper feeder depending on the rotational direction of a stepping motor without additionally using an electronic clutch and an one-way bearing by using a small stepping motor. CONSTITUTION: A selective paper-feeding driver consists of a power transfer unit(310) including a stepping motor(40) rotating forward/reversely, a pinion(41) fixed on the shaft of the stepping motor, intermediate gears(42,43,45) supplying power by converting the rotational force of the pinion clockwise or counterclockwise, and first and second driven gears(46,44) receiving power of the intermediate gears(45,43) respectively; and first and second paper feeders(320,330) feeding paper by selectively receiving the rotational force via the first and second driven gears of the power transfer unit. One of the paper feeders is used as a cassette paper feeder while the other is as a manual paper feeder. The selective paper-feeding driver uses the independent small stepping motor to reduce the capacitance of a main motor.
Patent KR-20020017505-A (KR)
Title: Jig apparatus for cutting machine using wire
Inventor: KO SEUNG HYEOP
IPC: B26D1/547
Filed: 2000-08-30
Abstract: PURPOSE: A jig device for a cutting machine using a wire is provided to prevent the production of a defective article due to distortion and deformation during or after processing by fixing a work piece at two points and to avoid the disconnection of a wire by effectively cooling the wire. CONSTITUTION: A jig device for a cutting machine using a wire comprises a fixing jig(10) for installing a work piece, a feeding jig(11) for feeding the work piece, fixing clamps(12) for fixing respective clamps via fixing clamp screws, a cooling water guider(14) for guiding the cooling water to a wire, and a wire(15) for cutting the work piece. The cooling water guider is formed in the structure of a link of which angle is adjustable to accurately set up the cutting position. A guide groove(17) is formed on the central side of the cooling water guider. The feeding jig has a feeding groove(16) on the lower end to adjust position corresponding to the length of the work piece.
Patent KR-20010000273-A (KR)
Inventor: JU HYEON MAN
IPC: C25D3/00
Filed: 2000-09-01
Abstract: PURPOSE: A horizontal galvanization apparatus is provided to continuously galvanize 3mm thickness or less of super-thin steel sheet without deformation such as slacking off or distortion of strip. CONSTITUTION: A horizontal galvanization apparatus protects steel strip from slacking off or distorting within plating bath. Also, a galvanization method contains conventionally known procedures such as introducing cold rolled coil as raw material into production line by means of a coil car and an un-coiler, welding rear end of a coil in advance with front end of following coil to connect together by using a seam welder, and pre-treatments such as acid pickling or washing steps. The method is featured by passing negative-charged steel plate strip between both plating baths having upper and lower anodes to carry out electric galvanization process.
Patent KR-20010084889-A (KR)
Title: A credit card service method using code image and apparatus thereof
Inventor: HAN TAK DON
Filed: 2000-09-04
Abstract: PURPOSE: A credit card service system and method is provided to issue a credit card including a code image with specific information included, and to offer various services according to the information embedded the code image. CONSTITUTION: The method comprises the steps of decoding a code image by using a decoder program stored in a user terminal and extracting a server address from the decoded data(62), searching data in relation with the code data from a code database(63), performing a user approval process and offering services wanted by the user, e.g. a network access service, an advertisement & event information service, a personal data service, an electronic commerce service, a banking service or a certification service if the user terminal is connected to the server(64), and enabling the user to pay for a service by using credit card data(65,66). In the payment step(65,66), the user can input a credit card number with an effective period and a card owner name or swiping the credit card in a card processing terminal.
Patent KR-20000072533-A (KR)
Inventor: JOO GYU YUB
IPC: B41J3/01
Filed: 2000-09-04
Abstract: PURPOSE: A direct bar code printer is provided to simplify a printing process by directly printing a bar code on a product in the production of continuous band shaped products. CONSTITUTION: According to the rotation of a deceleration driving motor(13), a vertical motion cam(17) is rotated to fall a vertical motion assembly down. Then, a printing ribbon and a work piece are stuck to a rubber roller by a printer head and a horizontal motion cam(16) is rotated to move a horizontal motion assembly back to print a bar code. After the printing, two driving cams are rotated more and each motion assemblies returns back by the force of springs. The process is repeated for the completion of the printing.
Patent KR-20020020385-A (KR)
Title: Driving Method of Plasma Display Panel
Inventor: AHN SEONG YONG
IPC: G09G3/294
Filed: 2000-09-08
Abstract: PURPOSE: A method of driving plasma display panel are provided to be capable of improving a light emitting efficiency. CONSTITUTION: A frame is divided into a plurality of sub-fields, and each sub-field is divided into an address discharge period, a sustain discharge period, and an erase period. During the reset period, a reset discharge for resetting a discharge cell is performed by supplying a reset pulse to the second trigger electrode(Tz) of the discharge cell. During the address period, scan pulses(C1-Cn) are sequentially supplied to the first trigger electrode(Ty), and a data pulse(Va) synchronized with the scan pulse is applied to an address electrode. During the sustain period, a sustain pulse is alternately applied between the first trigger electrode(Ty) and a scan/sustain electrode(Sy) and between the second trigger electrode(Tz) and a common sustain electrode(Sz).
Patent KR-20020023455-A (KR)
Title: Concentrated extract comprising Kalopanacis cortex as main ingredient
Inventor: CHO KEUN SIK
IPC: A61K36/25
Filed: 2000-09-22
Abstract: PURPOSE: A pharmaceutical composition containing a Kalopanax pictus (Thunb.) Nakai extract as a main component is provided which has an effect on prevention and treatment of various diseases such as muscular pain, lumbago, stomatitis, athlete's foot, liver disease and the like. CONSTITUTION: A mixture of 25 to 50 parts by weight of Kalopanax pictus (Thunb.) Nakai, 5 to 10 parts by weight of each Angelicae gigantis radix, Paeoniae Radix, Cnidium officinale Makino and Rehmanniae radix and 2 to 6 parts by weight of each Eleutherococcus senticous MAX, Ramulus Cinnamomi, Ostericum koreanum, Aralia continentalis, Cocicis Semen, Glycyrrhiza glabra, jujube and Rhizoma Zingiberis.
Patent KR-20020024459-A (KR)
Title: Semiconductor device and method for fabricating the same
Inventor: HO WON JUN
IPC: H01L21/336
Filed: 2000-09-25
Abstract: PURPOSE: A semiconductor device is provided to simplify a fabricating process by forming a groove in a channel region without an additional apparatus so that a source/drain region higher than the channel region under a gate electrode is formed, and to improve a short channel effect and reduce junction capacitance according as the source/drain junction becomes deeper. CONSTITUTION: An isolation layer is formed on an isolation region. The groove is formed in the center of an active region. A gate insulation layer is formed on the surface of the groove. A gate electrode(22) is formed along the center portion of the groove in an in-line direction. A sidewall spacer(23) is formed on the side surface of the gate electrode. An impurity region is formed in the semiconductor substrate(11) at both sides of the groove. A silicide layer is formed on the gate electrode and the impurity region.
Patent KR-20020031240-A (KR)
Title: A mistaken operation sensing method and the apparatus of air conditioner
Inventor: KIM JONG GIL
IPC: F24F11/00
Filed: 2000-10-23
Abstract: PURPOSE: A method and device for detecting wrong operation of air conditioner are provided to prevent overload and inefficient operation of a system by detecting wrong operation of a linear expansion valve. CONSTITUTION: A device includes a temperature detective device; a control device; an operation stopping device; and a display device. The temperature detective device comprises a condenser temperature sensor(57); an evaporator temperature sensor(58); and a first and a second temperature sensors(61,62) to measure difference between temperatures of refrigerant flowing into a linear expansion valve(53) and discharged from the linear expansion valve. The control device is a control part(60) receiving signals of the temperature detective device to output control signal when wrong operation of an air conditioner is detected. The operation stopping device stops operation of the air conditioner by control of the control device. The display device is a display part(63) to inform a user of wrong operation of the air conditioner.
Patent KR-20020032183-A (KR)
Title: A glass rotating unit using in an exposure process
Inventor: HWANG GAP JUN
IPC: H01L21/027
Filed: 2000-10-26
Abstract: PURPOSE: A glass disk unit used in a semiconductor exposure process is provided to maximize a lifetime of a glass disk by changing a position of degradation in the glass disk. CONSTITUTION: A glass disk plate(2) is used for filtering a laser beam of KrF series and transmitting the filtered laser beam to a wafer exposure apparatus(3). A disk holder(11) is used for supporting and fixing the glass disk. A holder rotation portion is used for changing a filtering position of the laser beam by rotating the disk holder(11). The holder rotation portion includes a gear string formed on an outer circumference of the disk holder(11), a deceleration gear(13) connected with the gear string, a drive gear(14) connected with the deceleration gear(13), and a drive motor(15). The drive motor(15) is combined with the drive gear(14) by a shaft.
Patent KR-20010015517-A (KR)
Title: Plane radiation element
Inventor: YAMAMOTO KIYOSHI
IPC: H01Q9/26
Filed: 2000-11-01
Abstract: PURPOSE: Provided is an antenna of long frame type in which the ratio between the long side and the short side is between 1:4 and 1:8 and the length of the long side is equivalent to one wavelength of the central frequency. CONSTITUTION: One pair of short bars are deployed so that they are located at a distance corresponding to 1/4 - 1/40 of the distance from both end parts of the entire long side length of each long side element. The two end portions of the long side of the antenna is symmetrically bent with respect to a central portion such that the two end portions from an angle of 45 to 90 degrees with respect to the central portion and are parallel to each other.
Patent KR-20010051483-A (KR)
Inventor: TAKAHASHI HIDEKI
IPC: G11B20/10
Filed: 2000-11-07
Abstract: PURPOSE: To provide an information recording medium which can reduce the error occurrence rate in read-modify-write operation when PC data are overwritten by sector fields onto AV data recorded in ECC block units. CONSTITUTION: The information recording medium has sector fields where data are recorded and also has blocks defined by a collection of a specific number of sector fields and each sector filed has an identification information area (integrity flag). In this identification information area, 1st identification information showing that data are recorded with reliability of 1st level or 2nd identification information showing that data are recorded with reliability of 2nd level lower than the reliability of 1st level is recorded.
Patent KR-20020036029-A (KR)
Title: Method of trench type isolation using selective epitaxial growth
Inventor: HONG SEOK HUN
IPC: H01L21/76
Filed: 2000-11-07
Abstract: PURPOSE: A trench isolation method using a selective epitaxial growth(SEG) process is provided to improve capacity by protecting the surface of a semiconductor substrate from crystal damage such that the surface of the semiconductor substrate becomes a seed layer in forming an active layer. CONSTITUTION: An etch stop layer composed of a material having selectivity regarding a silicon oxide layer and the silicon oxide layer are sequentially stacked on the semiconductor substrate(10). The silicon oxide layer is eliminated from a portion for an active region through a photolithography process and an anisotropical etch process to form a trench. The silicon oxide layer is patterned to expose the etch stop layer. A wet etch process is performed regarding the etch stop layer to expose the semiconductor substrate from the portion for the active region by using the patterned silicon oxide layer as an etch mask. A selective epitaxial growth is performed regarding the silicon layer to form the active layer by using the exposed semiconductor substrate as the seed layer.