baber/WOPTO huggingface dataset:
Patent KR-100254611-B1 (KR)
Title: Manufacturing method and structure of thin-film infrared sensor
Inventor: LEE JOO-HAENG
IPC: H05B6/32
Filed: 1992-06-05
Granted: 2000-05-01
Abstract: PURPOSE: A method for manufacturing a thin film infrared rays sensor and structure thereof are provided to have a good wire connection and an adhesion with a good infrared absorption rate and thermal transfer property. CONSTITUTION: A method for manufacturing a thin film infrared rays sensor stacks a Ti layer(2) and a Pt layer(3) on both sides of a Si wafer(1) with a pattern unit. A super conductive layer(5) is deposited on one side of the pattern unit and the Pt layer(3) on the Si wafer(1). After the super conductive layer(5) is deposited, the rear of the wafer(1) is etched. A porous metal thin film(6) is deposited on the other side of the Pt layer(3) and the super conductive layer(5).
Patent KR-100218608-B1 (KR)
Title: An improved process for the preparation of 4-haloquinazolines
Inventor: TAI JIMMY J
IPC: C07D239/88
Filed: 1992-10-06
Granted: 1999-09-01
Abstract: 4-Haloquinazolines can be prepared by the halogenation of the corresponding 4-hydroxyquinazolines with a phosphoryl, thionyl or carbonyl halide in the presence of a catalytically effective amount of a N,N-dialkylformamide. The reaction is catalyzed by the addition of soluble organic halide salts.
Patent KR-100268022-B1 (KR)
Inventor: VINANTHEDRIKANAMARIAFRIEDERIHI
IPC: H01J5/54
Filed: 1992-11-11
Granted: 2000-10-16
Abstract: 전기전구는 종단부(13)가 있는 목형태부(12)를 갖는 성형반사체를 포함한다. 전구캠(1)은 목형태부(12)와 연결된다. 절연체(5)는 종단부(13)를 에워싼다. 절연체는 전구캠(2) 보다 넓은 고리이고, 목형태부(12)에 관해 완전하게 확장한다. 전구캠(2)는 종단부(13)를 에워싸고, 그쪽으로 직접 부착된다. 전기전구는 IEC 요구 사항을 준수할 수 있는 반면, 전구의 구성품은 추가 또는 기타 구성품없이도 ANSI 요구사항을 준수하는 전구를 조립하는데 사용될 수 있다.
Patent KR-950006067-B1 (KR)
Title: Welding device of excavater side frame
Inventor: KIM TAE-JU
IPC: B23K9/12
Filed: 1992-11-30
Granted: 1995-06-08
Abstract: The welding apparatus to automatically operate the welding unit and transfer the workpiece in the robot welding of the lower side frame, comprises a primary sub welding jig (2) for automatically positioning the welding position of a reinforced plate on the side frame (1); a reversing device (5) for turning over the side frame in order to transfer the welded workpiece to the mext station and load the workpiece on an unmanned gnided vehicle (4); the unmanned guided vehicle (4) being for loading the workpiece from the slot conveyor (14) and setting up the workpiece at the automatic jig (29); a centering device (26) for centering the workpiece by X,Y axis; an automatic jig (29) for fixing the centered workpiece; a reversing device (33) for adjusting the residual welding position and rotating angle of the workpiece.
Patent KR-100276144-B1 (KR)
Title: Reagent composition and their use in the identification and characterization of reticulocytes in whole blood
Inventor: GREGORY M COLELLA
IPC: G01N33/50
Filed: 1992-12-03
Granted: 2000-12-15
Abstract: Methods for characterizing and distinguishing reticulocytes and mature red blood cells use reagent compositions which include organic cationic dyes for staining the reticulocytes in the blood sample and buffer solutions for maintaining a pH of about 6 to about 9. The dyes may be the blue absorption dyes Oxazine 750 or New Methylene Blue. When a zwitterionic surfactant is included in the reagent composition for isovolumetric sphering of the reticulocytes and erythrocytes, and the reagent composition and whole blood sample mixture is passed through the sensing region of a flow cytometer, the light scattered and absorbed by each cell is measured, the erythrocytes can be distinguished from reticulocytes and the volume, hemoglobin concentration and the hemoglobin content of each reticulocyte or erythrocyte, and the mean cell volume, mean corpuscular hemoglobin concentration, and mean cell hemoglobin of the reticulocytes or erythrocytes are calculated from the measured cell-by-cell volume and hemoglobin concentration. One method also includes adjusting the measured absorption signals for pseudo-absorption.
Patent KR-950012740-B1 (KR)
Title: Semiconductor memory device fabrication proces
Inventor: LEE JU-YONG
IPC: H01L21/76
Filed: 1992-12-14
Granted: 1995-10-20
Abstract: forming a trench on a semiconductor substrate where a field oxidizing film is formed using an etching stop layer to thereby form an insulation oxidizing film in the trench; vacuum-evaporating a first material layer to dope impurity; thermal-oxidizing the first material layer to form the insulation oxidizing film; covering a photosensitive film and etch-backing the photosensitive film to form a residual photosensitive film; etch-backing the insulation oxidizing film using the residual photosensitive film; and removing the residual photosensitive film.
Patent KR-950011479-B1 (KR)
Title: An electronic exchanger
Inventor: JE DONG-KUK
IPC: H04M3/22
Filed: 1992-12-29
Granted: 1995-10-05
Abstract: The loading information is altered by simply changing input data. The scheme comprises the steps of; (A)initializing processor tables and block tables using a database; (B)initializing loading table by numbers of processors and tables; (C)checking loading table and discriminating that the requested processor is valid when a load request signal is received; and (D)loading a block on a corresponding processor.
Patent KR-970011361-B1 (KR)
Inventor: REIL WILHELM
IPC: B67C7/00
Filed: 1991-11-22
Granted: 1997-07-10
Abstract: 요약없음
Patent KR-100196971-B1 (KR)
Title: Folded sheet articles
Inventor: MCDONALD JEORGE WALLACE
IPC: B42D15/00
Filed: 1992-03-10
Granted: 1999-06-15
Abstract: A folded sheet article (20) comprises a sheet (22) of material having mutually transverse sets of concertina folds (24, 26) and two diagonally opposite stiff portions (28, 30) at respective corner segments (32, 34) of the sheet (as disclosed in the inventor's prior U.S. Pat. No. 5,156,898) and has a pocket (40) at at least one of the segments (32, 34). Pocket (40) may be formed separately, may comprise the stiff portion (28), which may be folded back onto itself to form the pocket (40), or may (alone or together with said portion (28)) be formed from the sheet (22). The stiffening may be provided by a removable card (58) in pocket 40). Such card (58) may bear coded information (60) related to information (62) borne by sheet (22). Pocket (40) may have an egress retarder (64) to retard egress of a card (58). Sheet (22) may have pockets (40, 41) on either side, or pocket (40) may have sheets (22, 23) (with stiffening (30, 31)) on either side and then be provided with a differential gripper or holder (66) along the edges to enable opening selectively of the sheets (22 or 23). In a particular method of manufacture, sheet material (70) is glued at the sides on both faces and at one end with glue strips (72 to 80), then folded over stiff portion (28) to form pocket (40), and this is then placed onto the sheet (22) to attach thereto.
Patent KR-950007846-B1 (KR)
Title: Washing control method
Inventor: U KYONG-CHOL
IPC: D06F33/02
Filed: 1993-01-19
Granted: 1995-07-20
Abstract: (1) detecting the impurity of water at unit time intervals so as to determine the value of an impurity level change curve; (2) computing the value of the total impurity level change curve and the totally required time with the value of the impurity level change curve and the required time obtained in the step (1); (3) determining a total impurity level change value from the impurity and the totally required time after the time required for determining the initial impurity and the contamination; (4) comparing the value of the impurity level change curve with that of the total impurity level change, and the impurity after determining the contamination with a predetermined impurity so as to determine the contamination; and (5) determining a washing time according to the state of the contamination examined in the step (4).
Patent KR-970011677-B1 (KR)
Inventor: TSUTSUMI GAZUHIDO
IPC: H01L27/11
Filed: 1993-01-20
Granted: 1997-07-14
Abstract: 내용없음
Patent KR-950005530-B1 (KR)
Title: Automatic data recognition method of magnetic card and barcode and its control system
Inventor: JON JU-HO
IPC: G06K7/00
Filed: 1993-03-26
Granted: 1995-05-25
Abstract: The system controls a hardware between systems using data recognized by a magnetic strip card and a barcode or processes data recognized by data communication between the system and a computer. It comprises : (i) means transmitting a data processed by a microprocessor(1) to a printer(8) through a buffer(21); (ii) means displaying a data processed by the microprocessor on LCD; (iii) a magnetic strip reader(10) transmitting it to microprocessor after reading and amplifying a data of a magnetic strip card. (iv) means displaying it with LED or buzzer through an input-output part(4) after the microprocessor judges a read data; (v) means displaying state of function on LCD; (vi) communication means(14) transmitting data between the computer and the system; (vii) means connecting a barcode scanner(15) with the microprocessor; and (viii) means sharing ports with a conversion switch(17).
Patent KR-100274767-B1 (KR)
Inventor: RICHARD A PERKINS
IPC: G21C3/06
Filed: 1993-03-26
Granted: 2000-12-15
Abstract: 핵 연료에 대한 피복관으로서, 외부의 길게늘린 피복관 및 지르코늄 라이너를 갖추고 있으며, 외부피복관은 지르코늄 라이너로 안을 대고 있고, 라이너의 내벽은 주석 또는 바나듐을 포함하는 지르코늄 기초합금으로 이루어진 내부확산부를 갖추고 있다.
Patent KR-950009132-B1 (KR)
Title: Making method for sungnyung beverage and tea
Inventor: HAN OK
IPC: A23L2/38
Filed: 1993-04-28
Granted: 1995-08-16
Abstract: The  scorched rice tea(sungnyung)  and tea is  prepd. by 1)  washing rice, soaking  in water, and  steaming at 4 kg/cm2  pressure to obtain the hard-boiled rice  contg. 30˜40% moisture, 2) drying the  hard-boiled rice at 40˜80  deg. C into 10˜20% moisture, 3)  roasting it at 150˜220 deg.  C for  10˜40  min.  to obtain  the  roasted rice  contg.  about  3% moisture, 4) mixing the roasted rice, with the dried  boiled polished rice and the dried boiled unpolished rice (mixing ratio=4˜8:1˜2:1˜2), 5) adding water into the  obtd.  mixt.  and extracting  by  boiling  to  obtain  the  sungnyung beverage, and 6) mixing the sungnyung extract with 30˜100%  green tea extract to obtain the sungnyung tea.
Patent KR-960004474-B1 (KR)
Title: Method and apparatus of organic fertilizer
Inventor: LEE DONG-HUN
IPC: C05F17/02
Filed: 1993-07-21
Granted: 1996-04-06
Abstract: The fermenting method for organic substances comprises (A) drying the organics to the water content of 50-60% under vacuum with agitation ; (B) fermenting dried organics with fixed aerobic microorganisms containing Yeast, Bacillus subtilis and Lactobacillus, which act most vividly at 50-60 deg.C, and more than one vegetable enzymes selected from protease, amilase, lipase and cellulase ; and (C) repeating several times vacuum drying and fermenting processes so that the water content of fermented organics is less than 15%.
Patent KR-970003222-B1 (KR)
Inventor: OKOCHI DAERUNAGA
IPC: B61D17/02
Filed: 1993-09-03
Granted: 1997-03-15
Abstract: 내용없음.
Patent KR-100195518-B1 (KR)
Inventor: YANG HO-JOON
IPC: B60R11/04
Filed: 1993-09-23
Granted: 1999-06-15
Abstract: 본 발명은 자동차용 콘솔박스(console box)에 관한 것으로, 특히 콘솔박스의 콘솔리드(consolelid)에 컵홀더를 절첩가능하게 장착하여 유효공간활용 및 콘솔박스를 다목적으로 활용할 수 있도록 한 절첩식 컵홀더가 내장된 자동차용 콘솔박스에 관한 것으로, 상부가 개구된 공간부(11)를 가지는 콘솔박스(10)와; 콘솔박스(10)의 후단 방부에 힌지축(12)으로 회동가능하게 연결되어 공가부(11)를 덮어주는 콘솔리드(20);와 힌지축(12)에 절첩가능하게 연결되어 콘솔리드(20) 개방기 수평으로 펼쳐지는 컵지지판(40)과; 컵안내공(41)을 가지며, 그 후단부가 콘솔리드(20)의 지면부에 제1,제2링크(42)(43)로 절첩가능하게 연결되어 콘솔리드(20) 개방시 스토퍼(44)의 단속을 받으면서 펼쳐진 컵지지판(40)으로 이루어져, 콘솔리드(20)를 닫으면 펼쳐진 컵받침판(30)과 컵지지판(40)이 공간부(11)에 내장되도록 구성한 것이다.
Patent KR-970003353-B1 (KR)
Title: Transfering system of a fixture of cathode ray tube
Inventor: CHO HWEE-NAM
IPC: H01J9/48
Filed: 1993-09-28
Granted: 1997-03-17
Abstract: A feeder which feeds a fixed frame made by a manufacturing apparatus of a fixed frame to attaching member of a fixture is disclosed. In the feeder, a receiver(2) receives a fixed frame(100) from a manufacturing apparatus(1) of a fixed frame. An intermediate port(3) intermediates the fixed frame(100) received by the receiver(2). A supply device supplies the fixed frame(100) which is fed to the intermediate port(3) to an attaching member(4) of a fixture. Since the present invention feeds a fixed fame feeder made by a manufacturing apparatus, it can reduce human power.
Patent KR-0140357-B1 (KR)
Inventor: KIM SEONG-TAE
IPC: F16J15/00
Filed: 1993-11-10
Granted: 1998-07-15
Abstract: 본 발명은 축밀봉장치에 관한 것으로 특히 회전축을 밀봉함과 동시에 시일(seal)부재들이 회전축과 연동되는 것을 보다 간단하게 방지하도록 한 것이다. 
     상기 목적을 달성하기 위하여 고압부에서 유입되는 유체의 압력을 반지름 방향으로 분포시켜 회전축의 외주면 누설을 방지하는 시일링과, 상기 시일링의 위치를 잡아주는 시일하우징 등에 마찰을 가하여 헛도는 것을 방지하면서 축하우징 내경면을 통해 유체누설을 방지하는 오링과 상기 오링을 지지하기 위하여 오링이 하부에 위치하면 축방향으로 적층되는 받침부재와, 오링의 축부에 위치하며 축방향으로 적증되는 누름부재등으로 구성되었다.
Patent KR-0135064-B1 (KR)
Title: Polarization mask and exposure method of semiconductor wafer using it
Inventor: YUN HYUN-DO
IPC: G03F1/50
Filed: 1993-12-01
Granted: 1998-04-18
Abstract: A picture cutting mask and an exposure method of a semiconductor system are disclosed. First, a pattern is formed at a chrome layer(1). Thereafter, a polarization is established and a mask(11) is arranged on a semiconductor plate(5) coated by a photo-resist layer(4). And then, an infrared lay(6) is irradiated.
Patent KR-960008457-B1 (KR)
Title: Cmos latch circuit
Inventor: PARK YONG-INN
IPC: H03K3/286
Filed: 1993-12-04
Granted: 1996-06-26
Abstract: a clock process unit(10) for sequentially generating 3 phase signals(  1 -  3) to have a certain delayed time difference by receiving a clock signal(CLK); a 3 state inverter buffer(3I1) for producing a latched signal of an input data(DI) by the phase signal(  1) after sequentially loading phase signals(  1 -  3) from the clock process unit(10); a 3 state inverter buffer(3I2) for producing a latched output(LD1) from the latched data of the 3 state inverter buffer(3I1) by the phase signal(  2); a 3 state inverter buffer(3I3) for producing a latched output from the latched data(LD2) of the 3 phase inverter buffer(3I2); thereby removing an error of the latch circuit.
Patent KR-100250746-B1 (KR)
Title: Manufacture of semiconductor device
Inventor: CHOI YANG-KYU
IPC: H01L21/768
Filed: 1993-12-30
Granted: 2000-04-01
Abstract: PURPOSE: A method for forming a metal line of a semiconductor device is provided to prevent a short-circuit of a meal line and a void phenomenon within a contact hole by growing selectively a tungsten. CONSTITUTION: A conductive material(4) is formed on a semiconductor substrate(1). An insulating oxide layer(5) is formed on the whole structure. A polysilicon layer(6) is formed on the insulating oxide layer(5). The first and the second contact holes are formed by etching partially the polysilicon layer(6) and the insulating oxide layer(5). A tungsten(7) is applied selectively on the whole structure. A tungsten spacer(7A) is formed at sidewalls of the first and the second contact holes. The third and the fourth contact holes are formed by etching the exposed insulating oxide layer(5). The tungsten(9) is grown and patterned on the whole structure.
Patent KR-0158226-B1 (KR)
Inventor: LEE KANG-YEUP
IPC: B29C69/00
Filed: 1993-12-30
Granted: 1999-01-15
Abstract: 본 발명은 표면에 천연 목무늬 형태의 패턴을 갖는 장식시트의 제조에 관한 것으로서, 기재시트위에 통상의 잉크에 베이스 인쇄를 하고 그 위에 발유성질 및 메탈릭 음영효과를 갖는 기능성 잉크로 나무결의 굵은 도관무늬를 인쇄한 다음 인쇄된 기재 전면에 자외선 경화형 수지를 도포하여 자외선을 조사하면 굵은 도관을 인쇄한 잉크의 자외선 경화수지에 대한 중합억제 및 발유 특성에 의해 도관 인쇄부분에만 엠보스가 형성되어 도관인쇄와 엠보스가 일치한 동조 엠보스를 나타내게 되며 동시에 메탈릭의 음영효과에 의해 섬세하고 뛰어난 시각적 입체감을 나타내는 동조 엠보스 장식시트의 제조에 관한 방법을 제공하는 것이다.
Patent RO-120184-B1 (RO)
Title: Flexible composite for membranes used in architectural elements
Inventor: DOROGAN ANGELA
IPC: B32B27/04
Filed: 2001-12-07
Abstract: The invention relates to a flexible composite for membranes used in architectural elements. According to the invention, the composite comprises a textile woven carrier having multifilament polyester yarns with a length density of 110 tex and 192 filaments both in warp and weft, the ratio of the warp and weft counts being of 1.00...1.30, and the textile carrier being coated on one or both sides with polyurethane-type pre-adhesion polymers and polyvinyl chloride-type coating polymers having a mass of 1300 g/cm2 at the most.
Patent RO-122401-B1 (RO)
Title: Cylindrical claibrating device for separating seeds of cereals and industrial plants
Inventor: G EGEANU PAUL
IPC: B07B13/02
Filed: 2005-03-09
Abstract: The invention relates to a cylindrical calibrating device meant to increase the duration of relative movement of the seeds, in order to optimize the cereal and industrial plant seeds separation index. According to the invention, the calibrating device comprises a calibrating cylinder (1), wherein there is mounted an adjustable inclined plane (3) playing the role of avoiding the seed falling into the vertical axis area of the calibrating cylinder (1) and bringing the same as close as possible to the horizontal axis of the cylinder (1), the adjustable inclined plane (3) having some baffles (4) orientable on the inclined plane (3) in three different positions (a, b, c) corresponding to desired speeds for the separation of seeds inside the calibration cylinder (1), depending on the size of seeds to be selected.
Patent RO-123556-B1 (RO)
Title: Mesoporous silica and process for preparing the same
Inventor: MARA ELEONORA-LUMINITA
IPC: C01B33/12
Filed: 2008-04-17
Abstract: The invention relates to a silica of mesoporous structure, employed in the preparation of ceramics, and to a process for preparing the same. According to the invention, the silica has an X ray-amorphous structure, exhibiting a monomodal or bimodal granulometric distribution, with an average particle size in the range of 25...80 nm and 1300...4500 nm, a density of 1.82...2 g/cm, a specific surface of 250...400 m/g and an average pore size in the range of 2.3...200 Angstrom. The process, as claimed by the invention, consists in solubilizing the micronized serpentinite with a solution of mineral acid, at the temperature of 80...97°C, for 1...2 h, separating the resulting mixture to obtain a silica cake which is washed 3...5 times with water at the temperature of 95...100°C, after which there take place a filtration and a drying operation in an electric furnace, at a temperature of 80...95°C, for 3...6 h, wherefrom there also results a residual solution which is treated with alkaline solutions at the temperature of 30...60°C, to finally result in hydrated compounds with Fe or Mg.
Patent SA-517381633-B1 (SA)
Title: Silk Performance Apparel and Products and Methods of Preparing The Same
Inventor: ENRICO MORTARINO
Filed: 2017-06-01
Abstract: Silk performance apparel and methods of preparing the same are disclosed herein. In some embodiments, silk performance apparel includes textiles, fabrics, consumer products, and other materials that are coated with aqueous solutions of pure silk fibroin- based protein fragments. In some embodiments, coated apparel products exhibit surprisingly improved moisture management properties and increased resistance to microbial growth. Fig. 1
Patent SA-517381758-B1 (SA)
Title: Hybrid image of earth formation based on transient electromagnetc measurements
Inventor: GREGORY ITSKOVICH
Filed: 2017-06-17
Abstract: A method for imaging an earth formation includes estimating an apparent resistivity value and an apparent distance to a bedding plane (AD2B) value for a plurality of samples derived from measurements of a time-dependent transient electromagnetic signal, estimating an inversion-based resistivity value (IB-R) and an inversion-based distance to a bedding plane (IB-D2B) value at a first sample of each consecutive depth interval, wherein each depth interval includes a plurality of samples, and determining a difference between apparent values and the corresponding inversion-based values. The method includes generating an image of the earth formation using the AR and AD2B values for the entire interval if the difference is less than a threshold value and generating an image of the earth formation using IB-R and IB-D2B values for the entire interval if the difference is greater than the threshold value. Fig1
Patent SA-518390921-B1 (SA)
Title: Flexible seal for a rotary regenerative preheater
Inventor: O'BOYLE JEFFREY
Filed: 2018-02-13
Abstract: A seal assembly includes a leaf assembly and a supplemental leaf assembly. The leaf assembly includes a first leaf having a first base section. The first base section defines a first fastening area for securing the first leaf to a diaphragm of the preheater. The first leaf has a first elongate section extending away from the first base section and terminating at a first distal end thereof. The leaf assembly further includes a second leaf that engages a portion of the first leaf. The second leaf has a second base section. The second base section defines a second fastening area for securing the second leaf to the diaphragm. The second leaf has a second elongate section extending away from the second base section and terminating at a second distal end thereof. The supplemental leaf assembly is secured to the first leaf and slidingly engaging the second leaf.
Patent SA-518391761-B1 (SA)
Title: A concealment cover
Inventor: AKIN ESREF
Filed: 2018-06-07
Abstract: The invention is a concealment cover (1) ensuring safe concealment due to its ability of absorbing and reflecting radar waves, and it is characterized in that; it comprises X-type texture (1.1) formed by knitting of different types of conductor-containing fibers (1.4) and randomly distributed on said concealment cover (1). Figure 1
Patent SA-519401685-B1 (SA)
Title: Direct Reduction Process and Shaft Furnace Utilizing an Extended Flow Diverter Cone
Inventor: BRIAN VOELKER
Filed: 2019-04-30
Abstract: A shaft furnace for producing metallic direct reduced iron (DRI) from iron-containing pellets or lumps and reducing gas disposed therein, including: a circumferential outer wall defining a top interior reducing zone, a middle interior transition zone, and a bottom interior cooling zone, wherein the iron-containing pellets or lumps travel downwards through the top interior reducing zone, the middle interior transition zone, and the bottom interior cooling zone as the iron-containing pellets or lumps encounter the upward-flowing reducing gas and one or more other gases; and a flow diverter disposed along a centerline of the circumferential outer wall including a convex-upwards upper tapering section disposed in the middle transition zone defined by the circumferential outer wall coupled to a convex-downwards lower tapering section disposed in the bottom cooling zone defined by the circumferential outer wall. Fig 1.
Patent AU-2020244430-B1 (AU)
Title: Method for manufacturing monocrystalline silicon cell and monocrystalline silicon wafer, and photovoltaic module
Inventor: BAI XIAOLONG
IPC: H01L31/00
Filed: 2020-09-29
Abstract: Provided is a method for manufacturing at least one solar cell, a method for 
manufacturing a monocrystalline silicon wafer and a photovoltaic module. The method 
for manufacturing a monocrystalline silicon wafer includes: providing a 
monocrystalline silicon rod; squaring the monocrystalline silicon rod to form a quasi
square silicon rod with quasi-square cross-section having an arc, a length of the arc 
being not less than 15mm; slicing the quasi-square silicon rod to form at least one 
quasi-square silicon wafer having the arc. The method for manufacturing at least one 
solar cell includes: using the method described above to obtain a quasi-square silicon 
wafer having an arc; forming a first solar cell by processing the quasi-square silicon 
wafer; scribing the first solar cell to obtain a square-shaped sub-solar cell and at least 
one strip-shaped sub-solar cell. The above methods improve the utilization rate of the 
monocrystalline silicon rod and reduce production cost.