baber/WOPTO huggingface dataset:
Patent JP-H11297730-A (JP)
Title: Semiconductor device and manufacture of the semiconductor device
Inventor: YAMAKAWA HIROYUKI
IPC: H01L21/60
Filed: 1998-04-08
Abstract: PROBLEM TO BE SOLVED: To prevent a state in which bubbles remain in silicone based resin for encapsulating a semiconductor element and a bonding wire on a wiring board in covered state and to effectively prevent beforehand the generation of failures due to bubbles. SOLUTION: For a resin encapsulated semiconductor device 8, an IC chip 1 is die-bonded to a ceramic substrate 2, and a thermosetting silicon rubber 7 for sealing is provided so as to cover the IC chip 1 and a bonding wire 5. At the manufacturing of the resin encapsulated type semiconductor device 8, prior to a curing process for having the thermosetting silicon rubber 7 cured, a defoaming process for removing bubbles inside the silicone rubber 7 by applying the thermosetting silicone rubber 7, so as to attain the state of covering the IC chip 1 and the bonding wire 5 and leaving the ceramic substrate 2 in an evacuated atmosphere for a prescribed time is performed.
Patent JP-S63261260-A (JP)
Title: Method for exposure with gradient
Inventor: ASANO YUJI
IPC: G03B27/32
Filed: 1987-04-17
Abstract: PURPOSE:To improve the gradient of a copied image by specifying an amount of exposure energy, without applying through an original and that of the exposure energy applied through the original, respectively. CONSTITUTION:A sensitizing paper 2 has the sensitive characteristics in which the exposure density of the surface of the paper does not change until the amount of the exposure energy applied to the surface of the paper reaches to a point E1, and said density slowly changes at the time of exceeding the point E1, and said density reaches a saturated state at the time of applying the amount of the exposure energy at a point E2. For example, the light coming from a light source lamp 3 is irradiated on the paper 2 without setting the original 1, and the exposure energy is applied to the paper 2 in an amount of the E1 point. Next, the light is irradiated on the paper through the original 1, and the exposure is stopped at a prescribed stage between the points E1 and E2. Subsequently, the paper 2 is transferred to a pressure device, thereby developing by reacting substances contd. in the paper 2. And, the titled method may be carried out by changing the order of the exposure as mentioned above, and may be applied to a color copying.
Patent JP-S5322499-A (JP)
Title: Analysing method and appa ratus for organic acid
Inventor: TAKEUCHI SEISHI
IPC: G01N27/416
Filed: 1976-08-13
Abstract: PURPOSE: To make complicated apparatus to be unnecessary and to make analysis for organic acid to be highly sensitive, by causing organic acid included in specimen to be separated depending on difference in degree of dissociation and to be deformed to nondissociation type and to be added with substance to bond with H + , and by measuring oxidation-reduction potential of thus prepared substance. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S5219320-A (JP)
Title: Secondary wall insualtion system of low temperature iquefied gas stora ge
Inventor: IMOTO KIZOU
IPC: F17C3/04
Filed: 1975-08-06
Abstract: PURPOSE:The insulation of the secondary wall which is not necessarily required to maintain a completely strict insulation for the liquid is designed to be arranged very easily.
Patent JP-S637458-A (JP)
Inventor: JIIKUFURIITO SHIYORAA
IPC: E04F11/02
Filed: 1987-04-18
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H03294961-A (JP)
Title: Information processor
Inventor: KOBARI KOUJI
IPC: G06F17/21
Filed: 1990-04-13
Abstract: PURPOSE:To constitute the processor so that an operator does not spend time and labor for a check work after the replacement is finished by referring to history information such as a replacement part and the replacement contents, etc., after the replacement work is finished. CONSTITUTION:The processor is constituted of a keyboard 11 and a mouse 12 being input devices, a bit map display 13 being an output device, and a main body device 14 for executing various control, and the keyboard 11, the mouse 12 and the bit map display 13 are placed on a work desk 15. In such a state, history information related to the part replaced in a document is saved as a file, and also, can be displayed, therefore, after the replacement work is finished, the replacement part and the replacement contents, etc., can be referred to. In such a way, the part in which replacement is executed becomes clear at a glance, and labor required for a check work for detecting the part replaced erroneously is saved remarkably.
Patent JP-S5620145-A (JP)
Title: Roll material having superior wear resistance and breaking resistance
Inventor: OOTA SADAO
IPC: C22C38/44
Filed: 1979-07-27
Abstract: PURPOSE: To give superior wear resistance and breaking resistance to a roll material by forging at a fixed forging ratio by specifying the contents of C, Si, Mn and Cr in a steel composition to crystallize coarse carbide in an ingot making process.  
     CONSTITUTION: Molten metal consisting of 1.2W2.5% C, ≤1.5% Si, ≤1.5% Mn, 0.5W5.0% Cr, and the balance Fe and inevitable impurities or further contg. one or more among ≤2.0% Mo, ≤5.0% Ni, ≤1.0% V, ≤1.0% W, ≤1.0% Co and ≤0.5% Ti is poured into an ingot case and solidified at ≤about 3.0°C/min cooling rate to form coarse eutectic carbide dispersed structure. By forging the ingot at 1.5W 5.0 central forging ratio, the coarse eutectic carbide is drawn almost parallelly in the axial direction of the resulting roll to reduce the occurrence of cracks and checks in the roll. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S5430002-A (JP)
Title: Magnetic recording medium using ffrromagnetic metal powders
Inventor: AONUMA MASASHI
IPC: G11B5/86
Filed: 1977-08-11
Abstract: PURPOSE: To make a master magnetic recording medium suitable for a slave tape having a coercive force higher than 600Oe by applying a magnetic layer composed majorly of special ferromagnetic metal powders and a binder. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H11298254-A (JP)
Title: Mixer circuit
Inventor: KUNISHI MASATOSHI
IPC: H03D7/14
Filed: 1998-04-08
Abstract: PROBLEM TO BE SOLVED: To provide a mixer circuit having a wide output dynamic range at a reduced voltage. SOLUTION: First and second current sources 11 and 12 having the current ratio of 2:1 are applied to a differential pair to receive differential input signal BB+ and BB-, and a current respond to BB+ and BB- is directly taken out and mirrored into a double balanced mixer for local signals LO+ and LO- by Q7 and Q8. By separating a differential circuit for the input signals BB+ and BB- and that for local signals LO1 and LO2, saturation at an output step is mitigated and a mixer circuit with a low voltage and a wide dynamic range can be provided.
Patent JP-S57211168-A (JP)
Title: Sheet feeding device
Inventor: SASAKI NOBUKAZU
IPC: B65H7/18
Filed: 1981-06-22
Abstract: PURPOSE:To absorb and correct the deviation of the timing of feeding of a transfer paper from a feed roller, by providing resist rollers which are always started synchronously with an original moving table. CONSTITUTION:Transfer papers piled up on a transfer paper loading part 15 are fed one by one by a feed roller 18; and when the leading edge of the transfer paper depresses a microswitch 40, an original moving table 9 starts running in the direction of an arrow, and resist rollers 7a and 7b are started when a reference end 9a of the original reaches a prescribed position, and the paper fed by the feed roller 18 is carried toward a transfer part 12. Since resist rollers 7a and 7b are stopped until the original table 9 reaches the prescribed position, deviation of the timing of feeding of the transfer paper from the feed roller 18 is absorbed between resist rollers and the feed roller even if this timing is not accurate.
Patent JP-S5621432-A (JP)
Title: Data way
Inventor: KONISHI KUNIYOSHI
IPC: H04B10/27
Filed: 1979-07-31
Abstract: PURPOSE:To avoid troubles dependent upon electromagnetic induction and thunderbolt, by using optical transmission only in the section of much electromagnetic induction and thunderbolts. CONSTITUTION:Stations 1a have repeaters 5 for optical transmission, and repeaters are connected by fiber cable 6. Repeater 5 for optical transmission performs mutual input/output conversion of the electric signal in the metal cable 2 side and the light signal in the optical fiber cable 6 side. In respect to lines, hardware which has been provided already is main components, and the optical fiber cable is provided only in a specific section of much electromagnetic induction troubles.
Patent JP-S5721967-A (JP)
Title: Dressing method for tatami mat facing
Inventor: SHINOHARA YOSHIROU
IPC: C09D133/04
Filed: 1980-07-16
Abstract: PURPOSE: To use a tatami (a Japanese style matting) formed with dressed facing for a long time by coating a tatami facing with material made by blending a specified additive to a copolymer of specified acrylate dispersed in water.  
     CONSTITUTION: Proper filler, pigment, viscosity increasing agent and foam erasing agent are added to water dispersed acrylate copolymer containing 30W100wt% alkyl acrylate having C number of 2W10 such as methyl methacrylate, and -10W70°C glass transition point. This is diluted with proper quantity of water and coated on the tatami facing with a brush to dress to a hue of bluish new tatami mat. By this way, such a bluish hue can be maintained for a long time. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H04326054-A (JP)
Title: Glucose sensor
Inventor: SUDO MASAO
IPC: C12Q1/26
Filed: 1991-04-26
Abstract: PURPOSE:To enable a defect where glucose detection characteristics are changed by concentration of oxygen within a liquid to be measured to be eliminated and obtain a safe glucose sensor which does not use a mediator with a problem in terms of its safety. CONSTITUTION:A glucose sensor is provided with a glucose detection electrode consisting of an electrode body which allows a porous formation body of a mixture of conductive carbon and fluorine plastic to carry an oxidized reduction catalyst, a hydrophobic oxygen permeability film which is adhered to a rear surface of the electrode body, and a hydrophilic glucose oxidization enzyme fixing film which is adhered to a front surface of the electrode body, thus enabling glucose to be detected safely without requiring any operation for increasing concentration of oxygen in a solution to be measured.
Patent JP-H01271039-A (JP)
Title: Manufacture of thin berylium-copper sheet
Inventor: IWASE MASAZUMI
IPC: B22D11/06
Filed: 1988-04-20
Abstract: PURPOSE:To improve the workability and characteristic of a product by rapidly cooling the molten metal of Be copper at the cooling speed of specified range, continuously cooling to a room temp. as well and constraining the formation of unsoluted Be by regulating a crystal grain size at the specified value. CONSTITUTION:The trough 9 having a heat retaining property is provided on the lower part of a tundish 8 and a water cooling type cooling roll couple 10 is arranged at the end part thereof. The molten metal 1 of Be copper is fed to a tundish 8 from a ladle 7, rapidly cooled at the cooling speed of 10<2> deg.C/sec min. 10<5> deg.C/sec max. by a cooling roll 10 via the trough 9 and cooled in succession continuously to a room temp. In this case, the crystal grain size of a solidified thin sheet ingot 11 is in <=50mum and the formation of an unsoluted Be is restricted. The workability of the product obtd. from this thin sheet ingot 11 is improved and the characteristic of a spring property, etc., is improved as well.
Patent JP-S5432449-A (JP)
Title: Preparation of five-membered ring derivative
Inventor: TORII SHIGERU
IPC: C11B9/00
Filed: 1977-08-12
Abstract: PURPOSE: To obtain the title compound useful as jasmine-like fragrance components, by decarboxylating a novel compound prepared from a condensation product of a cis-2-butenoate derivative, etc. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S5723259-A (JP)
Title: Complementary type mos semiconductor device
Inventor: UCHIDA YUKIMASA
IPC: H01L23/522
Filed: 1980-07-16
Abstract: PURPOSE:To prevent parasitic effect of a minute CMOS device by a method wherein an FET is formed on the substrate and the well region, while a doped poly- silicon wiring is provided in the well boundary part to form a high concentration region of the same conductivity type on the well. CONSTITUTION:For instance, the P-type substrate 22 is provided with an N-well 23 of phosphor concentration 8X10<15>/cm<2>, a minute FET is formed on the substrate 22 and the well 23 to be made into a CMOS1. Each FET is of Si gate type, while the inverse conductivity type source-drain regions are formed to be shallow about 0.5mum by ion injection. The boundary part between the well 23 and the substrate 22 is provided with a high concentration phosphor-droped polysilicon wiring 31 and having this as the diffusion source an N<+> region 30 of abut 1mum depth is formed. Also the substrate 22 is provided with a P-region 35 for preventing inversion. Thereby the layer resistance of the well 23 can be made low, and the potential inside of the well can be fixed thus making the latchup phenomenon hard to arise so as to make the device highly reliable.
Patent JP-H03293458-A (JP)
Title: Assembling structure for stair
Inventor: NAKAMOTO MASAFUMI
IPC: E04F11/16
Filed: 1990-04-11
Abstract: PURPOSE:To prevent the generation of creaking noise and rubbing noise during ascending and descending of stairs by a method wherein a cushioning material is located in a coupling part between a tread and a riser, with which a step is formed. CONSTITUTION:A groove part 2 is formed in the under surface of the tip part of a tread 1 with which a step is formed. An upper end part 3a of a riser 3 is securely pressed in the groove part 2 through the medium of a cushioning material 4. This constitution prevents the generation of creaking noise and rubbing noise due to deflection of the tread 1 during ascending and descending of stairs.
Patent JP-H04326696-A (JP)
Title: Telephone exchange
Inventor: OTSUKA KUNIAKI
IPC: H04Q3/58
Filed: 1991-04-26
Abstract: PURPOSE:To improve the response operation for incoming from a G3 facsimile passing a digital network. CONSTITUTION:When a call comes from a G3 facsimile 5 through a digital network 6, a CPU 10 discriminates the transmission capability information element received from the digital network 6. In the case of 3.1kHz audio, the call is terminated by a G3 FAX 4 when a CNG signal is detected by a CNG detecting circuit 16.
Patent JP-H03296011-A (JP)
Title: Magnification varying device for microscope
Inventor: KOJIMA SANENARI
IPC: G02B7/08
Filed: 1990-04-16
Abstract: PURPOSE:To eliminate troublesome operation in variation of magnification and to speedily and properly select observing magnification by positioning a specified area almost in the center of an observation visual field when a desired area in an observation image displayed on a monitor means is specified. CONSTITUTION:This device is equipped with the monitor means 10 which displays the observation image of a sample, indicating means 11 and 8 which specify the desired area in the displayed observation image, and an arithmetic means 8 which calculates necessary object magnification and/or the position of a sample moving stage 3 so as to display the specified area of the observation image on the nearly entire screen of the monitor means 10. Further, the device is equipped with a driving means which drives a magnification varying mechanism 2 and the sample moving stage 3 according to arithmetic data obtained by the arithmetic means 8. Then an objective corresponding to the objective magnification is inserted automatically into an observation optical path and the specified area is positioned automatically almost in the center of the observation visual field. Consequently, the troublesome moving operation for the sample moving stage 3 at the time of variation of the observation magnification is eliminated and the observing magnification can speedily and properly be selected.
Patent JP-H041439-A (JP)
Title: Air-fuel ratio controller of internal combustion engine
Inventor: FURUYA JUNICHI
IPC: F02D41/14
Filed: 1990-04-16
Abstract: PURPOSE:To always maintain good air-fuel ratio feedback control without any bad influence on air-fuel ratio compensation due to existence or absence of EGR by performing the air-fuel ratio feedback control using a learn compensation value independently learned according to existence or absence of the EGR. CONSTITUTION:Existence or absence of actuation in an exhaust recirculation device is judged by a means A. A learn compensation value learned during the operation time of the exhaust recirculation device is memorized by a means B per an operation range. The learn compensation value learned during the non-operation time is memorized by a means C per an operation range. During the operation time of the exhaust recirculation device, a new learn compensation value is set based on the learn compensation value retrieved by the means B and an output of a second air-fuel ratio sensor D, and also the learn compensation value of the means B is renewed by a means E by using this learn compensation value. During the non-operation time of the exhaust recirculation device, the new learn compensation value is set based on the learn value retriexed based on an operation condition from the means C, and a newly set second air-fuel ratio compensation quantity, and the learn compensation value of the means C is renewed the learn compensation value of this means F.
Patent JP-H09266243-A (JP)
Title: Wafer case
Inventor: KAZAMA HITOSHI
IPC: H01L21/68
Filed: 1996-03-27
Abstract: PROBLEM TO BE SOLVED: To couple and release a wafer case only by twisting the case by forming protrusions on the side wall of an inner case, cutting through-holes and notches into an outer case and key ring to insert the protrusions and cutting grooves into the protrusions corresponding to the notches of the key ring. SOLUTION: An inner case 1 has adequate number of protrusions 5 at the outer top end 3 and the protrusions have cut grooves 6 at higher structure by the thickness of an outer case 7; the being parallel to the top end edge 31. The outer case 7 has grooves 10 at vertical parts 9 thereof and through-holes 14 corresponding to the protrusions 5 along an extension edge 11 of a top plate 8. A key ring 15 has notches 18 corresponding to the through-holes 14 of the outer case 7. The key ring 15 adjacent to the notches 18 expands the grooves 6 of the protrusions 5 and enters into the grooves 6.
Patent JP-H0249796-A (JP)
Title: Polyacetyloligosaccharide derivative
Inventor: SUZUKI NOBUO
IPC: C12Q1/34
Filed: 1989-04-18
Abstract: NEW MATERIAL:Compounds of formula I (n is 0-8; Ac is formula II). USE:Useful as a precursor of a substrate for measurement of enzyme activity. PREPARATION:A mixture of alpha,alpha-dimethoxytoluene, p-toluenesulfonic acid and dimethylformamide is stirred at 50-60 deg.C under reduced pressure for 4 hr and pyridine, acetic acid anhydride and dimethylaminopyridine are added thereto and allowed to stand at room temperature for 20hr. The resultant mixture is then extracted with ethylacetate and purified using silica gel column chromatography. The obtained white powder is added to 70% acetic acid aqueous solution and stirred at 90 deg.C for 1hr. The resultant solution is subsequently concentrated under reduced pressure and purified using a column, thus obtaining the objective derivative.
Patent JP-S61257324-A (JP)
Title: Change gear ratio display device for stepless transmission
Inventor: KOBAYASHI TOKUJI
IPC: B60K23/00
Filed: 1985-05-10
Abstract: PURPOSE:To make a driver checkable of a change gear ratio and a running pattern at any time by the eye as well as to make him graspable of a car driving state so accurately, by displaying the change gear ratio and the running pattern of a stepless transmission on an indicator. CONSTITUTION:Hydraulic pressure in an oil passage varies according to driving conditions such as engine speed, throttle opening and so on whereby a spool 20 is positioned as specified. And, a hydraulic ratio between a driving pulley cylinder 14c and a driven cylinder 15c is regulated via oil passages 17 and 18. This hydraulic ratio corresponds to a steed ratio (a change gear ratio) between a driving shaft 12 and a driven shaft 13 of a V-belt stepless transmission 10 and also corresponds to a travel amount in the axial direction of a movable cone plate 15b. This travel amount is detected by a change gear ratio sensor 23, converted into a signal displaying the change gear ratio by an arithmetic unit 24 and amplified, then it is displayed on an indicator 25. Likewise, a signal out of a pattern selecting device is inputted out of a change gear proportion controller in the same manner, whereby a luminous color on the indicator is determined and commanded by way of the arithmetic unit 24.
Patent JP-H07276342-A (JP)
Title: Method and apparatus for manufacturing concrete secondary product
Inventor: UMEZAWA NORIHIRO
IPC: B28B11/24
Filed: 1994-04-12
Abstract: PURPOSE:To perform an operation in which vibration and noise are largely reduced by charging ready mixed concrete while applying kinetic energy such as oscillation, etc., to a molding form. CONSTITUTION:The method for manufacturing a concrete secondary product comprises the steps of disposing a molding form 1 at a predetermined position, then moving an elevator 4 to a lower part of the form 1, and raising the form 1 by raising the elevator 4. The method further comprises the steps of moving low-vibration and low-noise molds 2 under the form 1, and fixing it by a fixing unit 7. The method also comprises the steps of then lowering the elevator 4, and setting the form 1 on the molds 2. The method further comprises the steps of charging ready mixed concrete 11 in the molds by applying kinetic energy such as oscillation, etc., to the form 1 by the molds 2 while receiving the concrete 11 from a ready mixed concrete charging unit 12. Thus, fluidity of the concrete in the form is increased by applying the operation such as the oscillation to the form for a long period, and the ready mixed concrete is charged to corners of the form.
Patent JP-H05133348-A (JP)
Title: Pressure energy converter
Inventor: ARUBIN JIYON NIIMIKU
IPC: F03C2/30
Filed: 1992-04-17
Abstract: PURPOSE: To obtain a pressure energy translating device with a simple structure, useful in a pump or a fuel system by providing a pressure contained vane unit assembly comprising a pair of support plates, a cam ring, a rotor having a plurality of vanes, and flexible plates. CONSTITUTION: A pressure contained vane unit assembly 20 in a fluid case is provided. The assembly 20 comprises a pair of support plates 30, 31, a cam ring 32 interposed between the support plates 30, 31, a rotor 60, and flexible plates 33, 34. The rotor 60 is rotatably mounted in the cam ring 32 and has a plurality of circumferentially extending vanes 61 adapted to engage the contour of the cam ring 32. The flexible plates 33, 34 are interposed between the cam ring 32 and each of the support plates 30, 31. The support plates 30, 31 include a hub portion spaced from its respective flexible plates 33, 34. Thus, the device has a simple structure and is useful in a pump or a fuel system.