baber/WOPTO huggingface dataset:
Patent KR-20030046144-A (KR)
Title: Semiconductor device manufacturing apparatus in which cold trap part is improved
Inventor: CHOI JEONG HWAN
IPC: H01L21/00
Filed: 2001-12-05
Abstract: PURPOSE: A semiconductor fabrication apparatus having an improved cold trap part is provided to remove easily residues from a cold trap by separating only an auxiliary tank from the semiconductor fabrication apparatus. CONSTITUTION: A vacuum chamber is used for performing a fabrication process of a semiconductor device. A vacuum pump is used for forming a state of vacuum of the vacuum chamber. A cold trap(20) is connected to the vacuum chamber and the vacuum pump by the first exhaust tube(30) and the second exhaust tube(40), respectively. An auxiliary tank(70) is connected to a bottom of the cold trap and the second exhaust tube by the first auxiliary tube(72) and the second auxiliary tube(74), respectively. A plurality of valves(72a,72b,74a,74b) are connected to the first and the second auxiliary tube. A transparent window(76) is formed at a side of the auxiliary tank.
Patent KR-20020008101-A (KR)
Inventor: LEE SANG SU
IPC: H03M7/20
Filed: 2001-12-12
Abstract: PURPOSE: A data bit index compressing method is provided to store a large amount of information with a small amount of data by compressing byte data without data transformation. CONSTITUTION: The used number of byte data is obtained from one file. The obtained byte data are arrayed in the descending order based upon frequently used values. An index is established based upon the arrayed values. The stop bit and the termination bit are obtained for bit compression. The data are read to know the sequences of the data in the index. A bit pattern is established for index expression by determining a certain ratio. The data are compressed in sequence into the form of sum of the index values and the data number by using the established bit pattern. The data are recorded into the file, and the file is closed at the end of file.
Patent KR-20020048876-A (KR)
Title: Recovery of electroluminescent phosphor from encapsulated material
Inventor: FAN CHEN-WEN
IPC: C09K11/01
Filed: 2001-12-14
Abstract: PURPOSE: A method of recovering a base phosphor from encapsulated phosphors and an economical process for recovering electroluminescent phosphor from encapsulated material are provided. CONSTITUTION: The method of recovering a base phosphor from encapsulated phosphors comprises the steps of selecting a recovery vessel including a magnetic stir bar; adding to the recovery vessel, deionized water, a first batch of concentrated hydrochloric acid and encapsulated phosphor to form a stirred suspension; heating the stirred suspension to about 90 deg.C for about 2 hours; settling the stirred suspension; decanting and washing liquor and slurrying the remaining solids with a second batch of hydrochloric acid and water; decanting and washing the remaining solids with deionized water; filtering the remaining solids to form a filter cake; heating the filter cake at 110 deg.C in air for a time sufficient to form a dried filter cake; and screening the dried filter cake through a 325 mesh screen to yield a recovered base phosphor, wherein the first batch of concentrated hydrochloric acid is 36 wt.%, the second batch of hydrochloric acid is 1 molar, and the time sufficient to form the dried filter cake is about 3 hours.
Patent KR-20030053592-A (KR)
Title: Chamber apparatus being connected with vacuum pumping line used in manufacturing semiconductor device
Inventor: AHN JAE WAN
IPC: H01L21/02
Filed: 2001-12-22
Abstract: PURPOSE: Chamber equipment connected with a vacuum pumping line used for manufacturing a semiconductor device is provided to be capable of preventing the generation of vacuum leakage between a process chamber and a vacuum pumping line due to the deterioration or corrosion of an O-ring by forming a manifold part at one side of the process chamber as one piece. CONSTITUTION: A chamber equipment is provided with a process chamber(100) for carrying out a semiconductor device manufacturing process, a vacuum pumping line(300) connected with the process chamber(100) for forming vacuum state in the process chamber(100), and a manifold part(200) installed between the process chamber(100) and the vacuum pumping line(300). At this time, the manifold part(200) is protruded from one side of the process chamber as one piece.
Patent KR-20030053320-A (KR)
Title: Method of manufacturing a flash memory cell
Inventor: YANG IN GWON
IPC: H01L27/115
Filed: 2001-12-22
Abstract: PURPOSE: A method for fabricating a flash memory cell is provided to prevent a sidewall of a tungsten silicide layer from being etched and prevent sheet resistance of a control gate from increasing by controlling the process condition of a cleaning process and a self-aligned etch process that are performed after a control gate etch process is performed. CONSTITUTION: A tunnel oxide layer(53) and the first polysilicon layer(54) are formed. A dielectric layer(55), the second polysilicon layer(56), a tungsten silicide layer(57) and an anti-reflective coating(58) are sequentially formed on the resultant structure. A control gate composed of the tungsten silicide layer and the second polysilicon layer is formed through a patterning process. A floating gate made of the first polysilicon layer is formed through a self-aligned etch process. After a patterning process is performed, an oxide-based particle is removed through a cleaning process while polymer is left. A polymer layer is formed on the sidewall of the anti-reflective coating, the tungsten silicide layer, the second polysilicon layer and the dielectric layer so that the sidewall of the tungsten silicide layer is protected from etch damage in the self-aligned etch process.
Patent KR-20030055843-A (KR)
Title: Apparatus for advertisement display using P4 LED
Inventor: LEE JIE WON
IPC: G09F13/04
Filed: 2001-12-27
Abstract: PURPOSE: An advertisement display apparatus using a wide angle light emitting device is provided to fabricate a high brightness advertisement display board with a few number of LEDs. CONSTITUTION: The advertisement display apparatus has an outer frame(110) of an advertisement display board having a fixed shape, and a light source is installed in the outer frame and the inside of the outer frame is filled with an epoxy(114). A printed circuit board(111) is attached to a bottom plane of the inside of the outer frame. A wide angle light emitting device(112) is connected to a corresponding position of the printed circuit board. And a color epoxy(113) seals an upper part of the outer frame radiating light.
Patent KR-20030058320-A (KR)
Title: Spindle cooling device of boring machine
Inventor: JUN GYU IN
IPC: B23Q11/10
Filed: 2001-12-31
Abstract: PURPOSE: A cooling apparatus for a spindle of a boring machine is provided to minimize thermal deformation of the spindle by supplying the minimum amount of lubricant to a spindle bearing and directly cooling the boring spindle, and to improve the quality by reducing process errors with stabilizing the boring machine. CONSTITUTION: A boring spindle cooling system comprises a coolant recovery passage formed between the outer periphery of a draw bar and the inner periphery of a boring spindle(10); a rotary shaft(50) arranged in a piston(32) of a clamp cylinder unit(30), combined with the rear part of the draw bar and composed of a cooling oil inflow hole(51); an air pipe(60) arranged in the central line of the draw bar and supported in the draw bar and the rotary shaft by sealing; a coolant supply passage formed between the air pipe and the draw bar; a shaft housing(80) installed in the piston, inserted to the rotary shaft and composed of a coolant oil inflow hole(81); oil seals(91,92) guiding cooling oil to the cooling oil inflow hole of the rotary shaft without leak; and cooling oil and air supply passages(32a,32b) formed in the piston for connecting to the cooling oil inflow hole of the shaft housing and supplying air to the air pipe. Thermal deformation of the spindle is minimized by cooling the boring spindle directly.
Patent KR-20010079641-A (KR)
Title: People mover carshells
IPC: B29C65/48
Filed: 1999-08-11
Abstract: People mover carshells (10), which include a plurality of body panels which are secured to each other through an adhesive. Mechanical fasterners may also be used to prevent peeling of the body panels. The panels are formed from a composite that includes an intumescent fabric layer resulting in a fireproof panel.
Patent KR-20010079827-A (KR)
IPC: H04J13/00
Filed: 2000-07-12
Abstract: 전력 증폭기(101)가 고주파 신호를 증폭하고, 커플러(102)가 전력 증폭기(101)의 증폭 신호 전력(P moni )을 모니터하고, 검파기(103)가 다이오드의 순방향 전압을 초과하는 어떤 일정 이상의 입력 전력을 선형으로 반파 정류하고, RC 필터에 의해 적분하여 검파 전압(V det )을 생성하고, 이득/오프셋 증폭기(104)가  검파 전압(V det )의 증폭과 오프셋 전압의 인가 중 적어도 한쪽을 실행해서 검파 전압(V det )을 소망하는 전압값으로 변환하여 전력 증폭기(101)의 게이트 전압로 한다.  이것에 의해, 전력 증폭 장치에 있어서 저전력 영역에서의 소비 전력 저감을 제어할 수 있으며 그와 동시에 하드 규모 삭감을 도모할 수 있다.
Patent KR-20010079884-A (KR)
IPC: C07D207/416
Filed: 1999-09-16
Abstract: 본 발명은 신규한 화학식 I의 벤조일구아니딘 유도체, 이의 제조방법 및 약제 제조에서의 이의 용도에 관한 것이다. 
     화학식 I
Patent KR-20010075312-A (KR)
IPC: H01J21/10
Filed: 2000-07-25
Abstract: 극초단파 진공 채널 전계 효과 미세전기전자 소자(VFED나 IGVFED)는 측방 전계 방출 소스(60), 드레인(150), 한 개 이상의 절연 게이트(40, 160)를 포함한다. 절연 게이트는 측방 전계 방출 소스의 방출변부(85)와 겹치면서 정렬되도록 배치되는 것이 선호되고 또한 진공 채널 영역(120)의 일부와 겹치는 것이 선호된다. 게이트가 생략될 경우, 소자는 초고속의 다이오드로 작용한다. 이 소자에 대한 선호되는 제작 공정은 절연 덮개로 덮히는 진공 채널 영역에 대한 트렌치에 일시적으로 증착되는 희생 물질을 이용한다. 덮개 내의 접근구멍은 희생물질을 제거하게 한다. 선호되는 제작 공정의 일부로, 드레인은 밀폐 플러그로 작동하는 것이 선호되어, 접근구멍을 플러그처리하고, 진공 채널 영역이 진공화된 후 상기 진공 채널 영역을 밀폐시킨다.
Patent KR-20010106498-A (KR)
Title: Sensor having a resonance structure, especially an acceleration or rotation rate sensor, and a device for carrying out a self-test
IPC: G01P15/10
Filed: 1999-10-01
Abstract: A self-testing sensor (especially to measure an angular rate or acceleration) includes a resonant structure, an actor unit configured to excite the structure to a first periodic vibration, a piezoresistive element configured to generate an output signal that depends on the measured quantity, and an isolator configured to isolate a test signal component from the output signal, whereby the test signal component is generated by a second periodic vibration of the structure superposed on the first vibration. A device for self-testing a sensor includes an isolator configured to isolate a test signal component superposed on a useful signal component from the periodic output signal of the sensor, and it includes a comparator configured to compare the test signal component with a predefined value or a test signal fed to the sensor. For the self-test, a second periodic vibration is superposed on a first vibration of the structure, and an output signal containing information on the measured quantity is determined. A test signal component contained in the output signal is monitored.
Patent KR-20010108058-A (KR)
IPC: H02G1/06
Filed: 1999-12-13
Abstract: 본 발명은,  라인 또는 케이블을 가이드 채널 (3a) 에서 안내하기 위한 라인 가이드 장치 (1) 에 관한 것이다.     상기 장치는 연속적이고 신장된 슬라이딩 스트립 (2) 를 포함하고,  이 스트립은 하측 스트랜드와, 휨 영역과,  상기 하측 스트랜드상에서 활주식으로 안내되는 상측 스트랜드를 형성하도록 장착된다.     상기 라인 가이드 장치의 일단부는 고정 장치에 연결될 수 있으며  타단부는 전후로 이동할 수 있는 장치에 연결될 수 있다.     안내되는 라인에 대해 융통성있는 라인 가이드 장치를 제조하기 위하여,  본 발명은 서로에 대해 피벗될 수 있는 복수의 가이드 부재로 구성된 가이드 채널 (3b) 을 제공하고,  상기 복수의 가이드 부재는,  맞은편 스트랜드로부터 먼쪽의 슬라이딩 스트립 (2) 의 면에 위치결정되고 이 슬라이딩 스트립에 탈착가능하게 고정될 수 있다.     본 발명의 변형예에 따르면,  가이드 부재 (3) 는 슬라이딩 스트립 (2) 의 인접한 부분의 피벗각을 한정하고,  동시에 가이드 부재의 피벗면에 대한 가이드 부재 (3) 의 수직 이동을 한정하는 정지 단부 (21) 를 갖는다.
Patent KR-20020002384-A (KR)
Title: Pregelatinized starch in a controlled release formulation
IPC: A61K31/505
Filed: 2000-03-24
Abstract: The present invention concerns a hydrophilic controlled release formulation, more in particular a hydrophilic controlled release matrix formulation, and solid dosage forms prepared therefrom, preferably for once daily oral administration. The hydrophilic controlled release formulation comprises pregelatinized starch, one or more active ingredients, one or more viscous hydrophilic polymers and optionally pharmaceutically acceptable formulating agents. Preferred hydrophilic polymers include hydroxypropyl cellulose and hydroxypropyl methylcellulose.
Patent KR-20020008116-A (KR)
Title: Novel carbonyl reductase, gene thereof and method of using the same
IPC: C12P7/62
Filed: 2000-11-24
Abstract: A novel polypeptide for producing tert-butyl (3R,5S)-6-chloro-3,5-dihydroxyhexanoate, a gene encoding the polypeptide, and a method of using the polypeptide, are provided. The polypeptide has an enzyme activity to asymmetrically reduce tert-butyl (S)-6-chloro-5-hydroxy-3-oxohexanoate to tert-butyl (3R,5S)-6-chloro-3,5-dihydroxyhexanoate. The polypeptide comprises the amino acid sequence represented by SEQ ID NO. 1 in the Sequence Listing, or the amino acid sequence having at least one amino acid substitution, insertion, deletion, or addition thereof.
Patent KR-20010102264-A (KR)
Title: 항-ｈｉｖ제
IPC: A61P31/18
Filed: 2000-03-03
Abstract: 본 발명은 결핵균의 열수 추출물 유래의 다당체를 주성분으로 하는 조성물(a)를 유효성분으로 하는 항-HIV제에 관한 것이다.
Patent KR-20010105371-A (KR)
Title: 물리적 증착 및 화학적 증착 기법에 의한 동시 증착 장치및 방법
IPC: C23C16/50
Filed: 2000-02-15
Abstract: 본원에는 2가지 서로다른 진공 증착 공정에 의해 기재상에 2개 이상의 서로다른 박막 재료 층을 진공 증착하기 위한 장치 및 방법이 개시되어 있다. 또한, 본원에는 기다란 기재상에 박막 재료를 균일하게 증착하도록 마이크로파가 강화된 CVD 기법을 사용하는 신규한 선형 도포기가 개시되어 있다.
Patent KR-20020035482-A (KR)
IPC: H01L23/498
Filed: 2001-03-27
Abstract: 고체장치(반도체 칩 또는 배선기판 등)의 표면에 반도체 칩을 접합한 구조의 반도체장치에 있어서, 그 박형화를 도모한다. 주칩(31) 및 부칩(32)은, 활성표면끼리를 대향시켜 접합되어, 칩·온·칩 구조를 형성하고 있다. 주칩(31)은, 부칩(32) 보다 바깥쪽에 외부접속용의 범프(BE)를 갖고 있다. 이 범프(BE)는, 개재기판(33)의 표면에 접속되어 있다. 개재기판(33)의 안쪽의 영역에는, 부칩(32)을 수용하는 관통구멍(40)이 형성되어 있다. 주칩(32)의 비활성면에는, 방열판(45)이 첩착되어 있다. 주칩(31) 및 부칩(32)은, 어느 것이나 양호하게 방열할 수 있다.
Patent KR-20020022702-A (KR)
Title: Compressing method for casting sand and device therefor
IPC: B22C15/28
Filed: 2001-04-13
Abstract: A method for introducing and compacting molding sand S in a mold space defined by a pattern plate (10a), a lower auxiliary frame (16b), a flask (18), a filling frame (20), and multi-segmented squeeze feet (36a). First, the molding sand S is introduced into the mold space. The squeeze feet (36a) are then lowered to apply a first squeeze to the mold sand S in the mold space under a condition wherein at least the lower frame (16a) cannot be lowered. The squeeze feet (36a) are then lowered to apply a second squeeze to the mold sand S in the mold space under a condition wherein the lower frame (16a), the flask (18), and the filling frame (20) can be lowered. <IMAGE>
Patent KR-20020022711-A (KR)
IPC: C22C38/04
Filed: 2001-04-23
Abstract: 강소재를 상하 대칭으로 열간 압연하여 웨브 (1) 단에 플랜지 (2A) 를 갖는 조형강편으로 만들고 (제 1 공정), 이것을 상하 비대칭으로 열간 압연하여 웨브를 치수조정하면서, 플랜지를 돌조 (20A) 를 포함하는 조형 조인트 (2B) 로 성형하고 (제 2 공정), 또한 상기 돌조를 열간 벤딩 성형 압연하여 구부러진 클로 (20) 로 만듦으로써 (제 3 공정), 웨브단에 볼 클로 (21) 와 구부러진 클로 (20) 로 이루어지는 조인트 (2) 를 갖는 직선형 형강을 제조하는 데 있어서, 상기 강소재를 질량% 로, C: 0.01 ∼ 0.20 %, Si: 0.8 % 이하, Mn: 1.8 % 이하, P: 0.030 % 이하, S: 0.020 % 이하를 함유하는 것으로 하고, 제 3 공정에서의 클로벤딩 개시온도를 Ar 3 초과 또는 Ar 3 - 50 ℃ 이하의 온도로 함으로써, 구부러진 클로 내면측에 존재하는 주름 (10) 깊이를 0.5 ㎜ 이하로 하였다.
Patent KR-20030061065-A (KR)
Title: A picture frame
Inventor: SOHN KYUNG HWA
IPC: A47G1/08
Filed: 2002-01-10
Abstract: PURPOSE: Provided is a picture frame which fixes photo by binding power between a first fixing frame and a second fixing frame without adhesive so that it possibly changes photo without damaging the photo. CONSTITUTION: The picture frame comprises the parts of: a transparent front sheet(10) which lets plural front fixing holes(11) formed at corner; a rear sheet(20) which is matched to the front sheet with plural rear fixing holes(21) formed; the first fixing frame(30) which is placed between the front and the rear sheet, with plural first combination holes(31) formed to match to the front fixing hole; the second fixing frame(40) which is touched to rear side of the first fixing frame, with a second combination hole(41) matched to the first combination hole; a hollow spacer(51) which keeps some distances between the front and the rear sheet; and a bolt(61) and a nut(62) which fix the front and the rear fixing hole, the first and the second combination hole and the spacer.
Patent KR-20030060682-A (KR)
Title: Method for formation choice transmission membrane and color CRT panel formative the choice transmission membrane
Inventor: KO JUNG GON
IPC: H01J29/10
Filed: 2002-01-11
Abstract: PURPOSE: A panel for a color cathode ray tube and a method for forming a selective permeable membrane are provided to achieve improved luminance and contrast, while allowing for ease of control of transmittance. CONSTITUTION: A panel comprises a black matrix layer(9) formed at the inner surface of a panel(1a) having a predetermined light transmittance; red(R), green(G) and blue(B) phosphor films formed on the black matrix layer; a selective permeable membrane(12) formed all over the black matrix layer formed at the inner surface of the panel and made of a mixture of CoO-Al2O3 serving as an inorganic pigment and graphite serving as a black material; and red, green and blue phosphor films formed on the selective permeable membrane.
Patent KR-20020061531-A (KR)
Title: Right angle, snap on coaxial electrecal connector
Inventor: HALL JOHN WESLEY
IPC: H01R24/40
Filed: 2002-01-15
Abstract: PURPOSE: A right angle snap coaxial electric connector is provided to manufacture the connector conveniently and to minimize the damage of fingers by producing a rear shell with die casting and a front shell with screw processing. CONSTITUTION: A right angle coaxial connector assembly(2) includes a shell subassembly(10), a collar subassembly(70) in addition to a center pin contact(50) and a dielectric sleeve(60). The collar subassembly is a spring loaded relative to the shell subassembly. The collar assembly is formed by two mating hermaphroditic housings(72). The shell subassembly includes a rear shell(30) and a screw machined front shell. The front shell includes flexible snap lock fingers(16) held in locking engagement with a mating connector by the collar subassembly.
Patent KR-20030066237-A (KR)
Title: Thrust bearing device for scroll compressor
Inventor: CHO YANG HUI
IPC: F04C18/02
Filed: 2002-02-05
Abstract: PURPOSE: A thrust-bearing device of a scroll compressor is provided to increase bearing power by receding a bearing area of an orbiting scroll from an orbiting center to a radial direction and accordingly to reduce friction loss in the orbiting scroll turning and the risk of overturns. CONSTITUTION: A thrust-bearing device of a scroll compressor comprises a main frame(110) fixed and installed in a casing, a fixed scroll fixed to an edge of the main frame, an orbiting scroll(120) placed on the main frame, engaged with the fixed scroll, and eccentrically combined to a rotary shaft transmitting the power of an electromotive mechanism unit, and a revolution preventing member slidably mounted in a radial direction between the main frame and the orbiting scroll to prevent the revolution of the orbiting scroll.
Patent KR-20020065859-A (KR)
Title: System and method for determining gas turbine firing and combustion reference temperatures having correction for water content in combustion air
Inventor: GARRY ROBERT SCOTT
IPC: F23R3/26
Filed: 2002-02-06
Abstract: PURPOSE: A system and method for determining gas turbine firing and combustion reference temperatures having correction for water content in combustion air are provided to be operated by a wet compression system and to improve the control and sequencing of a gas turbine which is operated in different condition from an actual design level of water content. CONSTITUTION: A system and method for determining gas turbine firing and combustion reference temperatures having correction for water content in combustion air are composed of a system adjusting a gas turbine(10) combustion temperature control algorithm and combustion reference temperature algorithms based on exhaust gas temperature, turbine pressure ratio and compressor discharge temperature for water content in the air entering a compressor(12) differing from the design water content of ambient air. The water content in the ambient air is calculated by a control system(30) from measured data from a dry bulb temperature sensor(40) and a wet bulb temperature or humidity sensor(42).
Patent KR-20030072151-A (KR)
Inventor: JUNG CHUNG WOO
IPC: E03C1/30
Filed: 2002-03-05
Abstract: PURPOSE: A clearing device for a toilet bowl and a sewer is provided to promote the convenience on use by clearing easily and simply using water pressure. CONSTITUTION: The clearing device for a toilet bowl and a sewer comprises the steps of connecting a water pipe to a funnel-shaped rubber body, bending the pipe to form a knob(2), and putting down a 5-centimeter pipe under the rubber funnel to clear a toilet bowl or a sewer using water pressure.
Patent KR-20030073560-A (KR)
Title: A Mask Aligner
Inventor: KIM JONG DAM
IPC: G02F1/13
Filed: 2002-03-12
Abstract: PURPOSE: An exposure is provided to horizontally move a flexible plastic substrate using a roller to improve yield of liquid crystal displays. CONSTITUTION: An exposure includes a light source(400) for emitting UV rays to expose a photoresist coated on a plastic substrate(430), and a slit(410) for irradiating UV rays emitted from the light source in one direction. The exposure further includes a mask(420) for silhouette-patterning the photoresist using the UV rays transmitted through the slit, an optical system(450) for varying the path of UV rays that have passed through the mask and focusing UV rays on the plastic substrate, and a roller(440) for supporting the plastic substrate and horizontally moving the plastic substrate according to movement of the mask. The scan rate of the mask accords with the rotation rate of the roller.
Patent KR-20030082002-A (KR)
Title: Racket structure
Inventor: CHOI HYUN YOUNG
IPC: A63B49/02
Filed: 2002-04-15
Abstract: PURPOSE: A racket structure considering human body engineering characteristics is provided to precisely strike a stroke target smoothly by reducing an additional torsion angle required on a stroke surface of a head. CONSTITUTION: A racket(10) has a head(20) contacting a stroke target, a grip(30) which is the region held by an exerciser, a shaft(50) connecting the head(20) and the grip(30), and a neck(40) reinforcing a connecting region of the head(20) and the shaft(50), all coupled and configured on the same axis. The head(20) includes a frame(210) and a gut(220) woven in the form of a net inside the frame(210) to form a stroke surface. The head(20) has a rotary angle within a range of 4-45 degrees to the axis of the shaft(50).
Patent KR-20030082278-A (KR)
Inventor: HWANG I SEONG
IPC: H01L23/12
Filed: 2002-04-17
Abstract: PURPOSE: A semiconductor chip package that direction of attaching is free is provided to eliminate a process for inspecting an index pin and to prevent a defect caused by a direction of a semiconductor chip package by mounting the semiconductor chip package regardless of the direction of the semiconductor chip package. CONSTITUTION: A switching circuit converts the function of a pin into a function of a pin in a position corresponding to the pin according to the direction that the semiconductor chip package is mounted. Pin defining leads are connected to the switching circuit to define the function of the pin, installed in a position corresponding to the change of the package mounting direction. Power leads and ground leads are installed in a position corresponding to the change of the package mounting direction.