baber/WOPTO huggingface dataset:
Patent TW-401395-B (TW)
Title: Method of producing methyl methacrylate
Inventor: KIDA KOICHI
IPC: C07C69/675
Filed: 1999-03-09
Granted: 2000-08-11
Abstract: A method of producing methyl methacrylate comprises Step 1 of producing acetone cyanhydrin from hydrogen cyanide and acetone; Step 2 of producing <alpha>-hydroxyisobutyramide by hydrating acetone cyanhydrin; Step 3 of producing methyl <alpha>-hydroxyisobutyrate and ammonia by a reaction of <alpha>-hydroxyisobutyramide and methanol; Step 4 of producing methyl methacrylate by dehydrating methyl <alpha>-hydroxyisobutyrate; and Step 5 of producing hydrogen cyanide in vapor phase by reacting methanol and the ammonia obtained in Step 3 over a solid catalyst in the presence of molecular oxygen. By using methanol in the step 3, the conversion ratio of <alpha>-hydroxyisobutyramide into methyl <alpha>-hydroxyisobutyrate can be increased because the equilibrium of the reaction is easily sifted toward the product side by removing ammonia being produced from the reaction system. The use of methanol in the step 3 produces additional advantages of efficiently linking the steps to eliminate the steps for separation and purification, thereby reducing the production cost.
Patent TW-436260-B (TW)
Title: Printed wiring boad and method of manufacturing the same
Inventor: IWASAKI KAZUMI
IPC: H05K3/28
Filed: 1999-05-24
Granted: 2001-05-28
Abstract: It to suppresses invasion or staying of insects having sensory nerves such as cockroaches and ants in printed wiring boards. Accordingly it prevents troubles of electronic appliances due to dead bodies and wastes of these insects. It further avoids thickness fluctuation or blurring of the repellent layer of electronic material containing the repellent chemical. The printed wiring boards of the invention are free from warp or other abnormality in appearance. A printed wiring board of the invention contains an electronic material formed on at least one of a first surface and a second surface of an insulating substrate. The electronic material contains a repellent having an insect repelling performance and a binder, and the electronic material is formed in a selective pattern. A manufacturing method of printed wiring board of the invention includes (a) a step of placing at least a conductive layer on one of the first surface and second surface of the insulating substrate. (b) a step of placing an insulating layer to cover the conductive layer, and (c) a forming an electronic material containing a repellent having an insect repelling performance and a binder, on at least one surface of the first surface and second surface, in a selective pattern.
Patent TW-440892-B (TW)
Title: Intelligent wafer handling system and method
Inventor: HOLBROOKS ORVILLE RAY
IPC: H01L21/68
Filed: 1999-07-12
Granted: 2001-06-16
Abstract: A system for handling stiff but flexible discs, particularly semiconductor wafers, is capable of allowing processing on both sides of a wafer. Optical beams are employed to detect a wafer's edge, ascertain a wafer position and determine the size of the wafer. A wafer hand assembly member is slipped under a wafer, or between parallel stacked but spaced wafers, and one or more fingers are rotated 90 DEG to a position perpendicular to the plane of the stiff hand assembly member. The hand assembly also has one or more posts positioned perpendicular to the surface of the hand assembly. The finger(s) and post(s) constitute three upright projections forming the corners of a triangle with the wafer to be grasped there between. A translator solenoid, through an arm, controls the lateral location of one finger or post moving that finger or post toward the other two stationary fingers or post(s) of the translator solenoid, grasping the wafer with controlled traction force between the fixed posts of the moveable finger. The traction force is controlled by the amount of driving energy fed to the translator solenoid. Likewise, methods using the apparatus of the system of the present invention are taught.
Patent TW-464869-B (TW)
Title: Semiconductor memory device having pre-repair test mode
Inventor: KIM SEUNG-MIN
IPC: G11C29/12
Filed: 1999-09-08
Granted: 2001-11-21
Abstract: A semiconductor memory device has a pre-repair test mode for testing and estimating alternating current (AC) parameters. The semiconductor memory device includes a memory cell array including a plurality of memory cells containing at least one failed memory cell; an address path for providing an input address representing a memory cell to be accessed from an external circuit to the memory cell array; a fail detection circuit responsive to a pre-repair test mode signal for detecting a fail address designating the failed memory cell from the input address to generate a fail address detection signal; and a control circuit including a storage cell for storing data from the external circuit in the storage cell in response to the fail address detection signal and a write control signal, for retrieving the data in the storage cell as output data in response to the fail address detection signal and a read control signal, for storing data from the external circuit in a memory cell designated by the input address in response to the write control signal, and for retrieving the data stored in the memory cell as the output data in response to the read control signal.
Patent TW-439098-B (TW)
Title: Lithography device for carrying out projection lithography by means of charged particles and method of manufacturing an integrated electronic circuit
Inventor: KRIJN MARCELLINUS PETRUS CAROL
IPC: H01L21/027
Filed: 1999-09-23
Granted: 2001-06-07
Abstract: According to a known projection lithography method an object (14) is imaged on an imaging surface (16) by means of a telescopic system of rotationally symmetrical electron lenses (10, 12). The throughput during the production of integrated circuits by means of projection lithography is determined by the amount of current in the imaging electron beam; this current is limited by the resolution-limiting interaction of the electrons (Coulomb interaction). The invention allows for a larger beam current in that areas (18) with a high current concentration are avoided. To this end, the imaging system includes five mutually perpendicular quadrupoles (32, 34, 36, 38, 40), so that the electrons are concentrated in line-shaped focal spots instead of a (small) circular cross-over (18). The system is telescopic and the imaging is stigmatic with equal magnifications in the x-z plane and the y-z plane.
Patent TW-501923-B (TW)
Title: An absorbent article with an improved, wet-formed absorbent
Inventor: MELIUS SHANNON KATHLEEN
IPC: A61F13/49
Filed: 2000-01-17
Granted: 2002-09-11
Abstract: The present invention provides an absorbent articled (10) having a longitudinal direction (26), and a lateral, cross direction (24). The article includes a liquid permeable top sheet layer (28), a substantially liquid impermeable backsheet layer (30), and an absorbent structure (32) having a primary retention portion (48) sandwiched between the top sheet and backsheet layers. The retention portion (48) includes a wet formed mixture of fibers and superabsorbent material. The retention portion has a selected edge-wise compression value, such an edge-wise compression value of not more than a maximum of about 9 g/gsm, and a modified circular bend value, such as a modified circular bend value of at least minimum of about 0.3 g/gsm. In particular aspects, the retention portion (48) can include cellulosic fibers.
Patent TW-432432-B (TW)
Title: Cathode ray tube
Inventor: PARK WON-SUEG
IPC: H01J29/86
Filed: 1999-11-09
Granted: 2001-05-01
Abstract: A cathode ray tube includes a panel with an inner phosphor screen and a rear portion. A funnel is connected to the rear portion of the panel. The funnel is sequentially provided with a body having a large-sized end and a small-sized end, and a cone portion having a large-sized end and a small-sized end. The large-sized end of the body is sealed to the rear portion of the panel. The small-sized end of the body meets the large-sized end of the cone portion. An electron gun is fitted within the neck to produce electron beams. The electron gun has a final accelerating electrode. A deflection yoke is mounted around the cone portion of the funnel. The funnel is structured to satisfy the following condition: 1.16 ≦ ((D/2)/tan(Φ/2))/(FG-TN) ≦ 1.35 where D indicates the size of an effective area of the phosphor screen, FG indicates the distance between the large-sized end of the body and the final accelerating electrode of the electron gun, TN indicates the distance between the small-sized end of the cone portion and the inflection point of the funnel, and Φ indicates the electron beam deflection angle.
Patent TW-552275-B (TW)
Title: Novel formulations of alkyllithiums with improved thermal stability, processes to produce these formulations and processes for using the same to improve stability of living polymer chain ends
Inventor: SCHWINDEMAN JAMES A
IPC: C08F4/58
Filed: 2000-02-25
Granted: 2003-09-11
Abstract: Novel formulations of alkyllithium species having improved thermal stability are provided. The compositions include one or more alkyllithium compounds and one or more additives. Exemplary additives include silyl ethers, germane ethers, tin ethers, silyl amines, germane amines, tin amines, alkylsilanes, arylsilanes, alkylarylsilanes, alkylgermanes, arylgermanes, alkylarylgermanes, alkyltins, aryltins, alkylaryltins, and mixtures thereof. The compositions are useful in anionic polymerizations to provide thermally stable living polymer anions.
Patent TW-472461-B (TW)
Title: Media noise post-processor with varying threshold
Inventor: KUKI RYOHEI
IPC: H04L25/497
Filed: 2000-03-21
Granted: 2002-01-11
Abstract: A post-processing method and circuit (30) for correcting media noise errors and producing a corrected recovered data output signal (49) is disclosed for use in a sampled data read channel of a mass data storage device. The mass data storage device has a Viterbi detector (34) that receives actual sampled partial response target data (32) from a data medium of a mass data storage device. A recovered partial response target signal derived from said recovered data output signal and said sampled partial response target data is filtered to produce a filtered output signal (51). A threshold circuit (64) provides a threshold against which said filtered output signal is compared, and a predetermined value (60) is added to the filtered output signal when a predetermined error event pattern due to media noise or other transition jitter occurs in said recovered data output signal (35). The recovered data output signal is modified (70) when said filtered output signal exceeds the threshold of said threshold circuit (64).
Patent TW-451296-B (TW)
Title: Photolithography process capable of increasing line width resolution
Inventor: TZU SAN-DE
IPC: H01L21/027
Filed: 2000-06-22
Granted: 2001-08-21
Abstract: There is provided a photolithography process capable of increasing line width resolution, which includes the steps of: providing a substrate; coating a photoresist layer on the substrate; providing a mask with a specific pattern; using the mask with the specific pattern as a shield to perform an exposing procedure to the photoresist layer to define an exposing region with a first pattern; performing a developing procedure to remove the exposing region of the photoresist layer and retain the photoresist layer with the first pattern; performing a thermal flow procedure to transform the photoresist layer with the first pattern into a photoresist layer with a second pattern, or coating a reacting agent on the photoresist layer with the first pattern; performing a mixed baking procedure for mutually reacting the photoresist layer and the reacting agent, thereby transforming the photoresist layer with the first pattern to a photoresist layer with the second pattern; and removing residual reacting agent. With the process of the present invention, it is able to implement the pattern in the dense pattern area which can not be obtained by the process less than sub-wavelength.
Patent TW-464901-B (TW)
Title: Color cathode ray tube
Inventor: WATANABE MITSURU
IPC: H01J29/86
Filed: 2000-06-29
Granted: 2001-11-21
Abstract: The present invention relates to a color cathode ray tube which is almost planar outside the panel, and in which the inner surface of the panel and shadow mask have curvature, especially the strength near the short axis is increased by increasing the curvature of the shadow mask near the short axis. Its feature is: it is a cathode ray tube which is an assembly of a dot-type phosphorous surface and line-arranged electron gun, the outer surface of the panel is almost a flat surface, the inner surface of the panel has curvature, the shadow mask has a circular hole, which faces toward the panel and has a convex surface. The hole of the shadow mask has a pitch Ph in the horizontal direction and pitch Pv in the vertical direction, the pitch Ph in the horizontal direction is larger than that of the terminal portion of the short axis of the shadow mask at the center of the shadow mask for 5%. Ph/Pv is larger at the terminal portion of the short axis of shadow mask compared to that at the center of the shadow mask. Therefore, the strength near the short axis is increased.
Patent TW-461149-B (TW)
Title: Mounting post for modular connector
Inventor: IMSCHWEILER DEREK
IPC: H01R13/639
Filed: 2000-07-26
Granted: 2001-10-21
Abstract: A mounting post and electrical connector including the same including a pair of legs having inner surfaces opposite one another to thereby define a slit therebetween which is preferably oriented in a direction perpendicular to the front face of the connector. Each leg includes an arcuate outer surface and a hook projecting radially outward from the outer surface. In addition to or instead of the hook on each leg, each leg may include a notch adjacent the bottom face of the connector to reduce stress during insertion of the mounting post into the hole in the printed circuit board.
Patent TW-449904-B (TW)
Title: Silicon controlled rectifier device and the method of applying the same to optimize the electrostatic discharge protection and anti-latchup capability of semiconductor device
Inventor: HUANG JR-YAU
IPC: H01L27/02
Filed: 2000-08-30
Granted: 2001-08-11
Abstract: The present invention relates to a silicon controlled rectifier cell which provides a plurality of mutually separated p+ regions and n+ regions. The spacing, sizes, positions among said p+ and n+ regions are varied to minimize the latchup phenomenon resulted from the non-electrostatic discharge event. Said silicon controlled rectifier cell structure also provides a plurality of mutually separated n-well region and p-substrate contact region, the spacing, sizes, positions among said n-well and p-substrate contact regions are varied to minimize the latchup phenomenon resulted from the non-electrostatic discharge event. In addition, the spacing among the metal contact holes in the contact region can be varied to further minimize the latchup phenomenon resulted from the non-electrostatic discharge event.
Patent TW-592650-B (TW)
Title: Cabinet equipped with simultaneous drawing preventing apparatus
Inventor: RI TEI
IPC: A47B88/00
Filed: 2000-10-05
Granted: 2004-06-21
Abstract: The object of the present invention is to provide a cabinet which prevents simultaneous drawing of its drawers, simplifies its assembling work, and is high in operational reliability. To realize the object, the present invention includes rod members 16A, 16B, ..., provided for the respective drawers, a support 14 vertically movable with respect to a cabinet main body 10, block bodies 14A, 14B, ..., each with a slant groove, provided for the support corresponding to the respective rod members, and holding mechanisms CS, KB, and LH for holding the support which has moved to an engaging location and releasing the holding when a predetermined force or more is applied thereto. Further, connecting bodies each having a withdrawing member 14CT for engaging with the rod member to be withdrawn in an upper direction, a restricting member 14BR, ..., arranged so as to correspond to the drawer at an immediately upper location, and a connecting rod BC, ..., for connecting the two members, are arranged between the block bodies. By virtue of this construction, simultaneous drawing can be prevented.
Patent TW-504667-B (TW)
Title: Magneto-optical recording medium
Inventor: SHINODA MASATAKA
IPC: G11B11/105
Filed: 2000-10-24
Granted: 2002-10-01
Abstract: In order to improve reproduction characteristics of a magneto-optical recording medium in a case of being subject to a magnetically induced super resolution readout process utilizing a blue-violet laser beam, there is provided a magneto-optical recording medium having a surface roughness of 0.3 nm or less on a surface of a substrate on which recording/reproduction magnetic layers are formed or a surface of a dielectric film formed on the substrate.
Patent TW-563120-B (TW)
Title: Optical head and optical disk apparatus having the same
Inventor: HOSHINO ISAO
IPC: G11B7/1374
Filed: 2000-10-25
Granted: 2003-11-21
Abstract: The invented optical head is provided with the followings: the light source for outputting the light beam with the predetermined wavelength; light source driving member for driving the light source; the monitoring photodetector member for measuring the light beam intensity emitted from the light source; the object lens for focusing light beam at the predetermined position of the optical disk; the light receiving device for receiving the light beam reflected from the optical disk and converting it into the electric signal; and the opening portion, in which the optical member base station for maintaining and guiding the light beam is formed inside so as to form optical path of the light beam from light source till the object lens. Inside the opening portion, the monitoring photodetector member is parallel to the optical path, and a holding member maintaining at the position not mutually interfered with the light beam is provided so as to provide a small sized optical head suitable for being housed into a thin type optical disk device by overcoming restrictions of the mounting of component.
Patent TW-495614-B (TW)
Title: Testing device and testing method and cell thereof
Inventor: ISHIOKA SHOGO
IPC: G01R31/312
Filed: 2001-02-06
Granted: 2002-07-21
Abstract: The present invention aims to provide a test device for testing conductive patterns in a total non-contact way and a test method and a test cell thereof. The test method for testing a conductive pattern on a circuit substrate is described as follows: plural conductive cells (11) are kept apart from each other and allocated along the conductive pattern on a circuit substrate (100). By sending test signals changing along with the time to at least one of the cells (11), the test signals can be sent to the conductive pattern without any terminal applied. While test signals are being sent, output signals found on other cells (11) can be detected from the conductive pattern. Then, the conductive pattern can be tested in accordance with the detected output signals.
Patent TW-463034-B (TW)
Title: Combined weighing device and system using replaceable control program
Inventor: YAMASHITA KAZUHIKO
IPC: G06F9/445
Filed: 2001-02-15
Granted: 2001-11-11
Abstract: A combined weighing system is provided in which control programs can be replaced over a communication medium such as the Internet. A weighing device including a plurality of weighing units is connected in communication with a controller for centralized control of the weighing units. The controller, which is connected with a communication device, comprises a CPU, a main memory, a flash memory, a LCD display, and a key input device such as a keyboard. A communication unit is set above the weighting device. The control program can be replaced by connecting the communication device to the Internet to download a new control program from a server computer to a temporary area of the flash memory. The downloaded program is transferred to the control program area of the main memory and executed by the CPU.
Patent TW-522649-B (TW)
Title: Display apparatus comprising an optocoupler circuit
Inventor: WULF ERIK MARIA HENDRIK DE
IPC: H04N3/26
Filed: 2001-03-02
Granted: 2003-03-01
Abstract: An optocoupler circuit comprises a pulse generator which supplies a pulsed signal to the light-emitting device, while the pulsed signal has at least two different levels of which at least one of the levels is controllable. The pulsed signal is a combination of an input pulse signal and an input level signal. The light-emitting device produces an amount of light which depends on the levels of the pulsed signal. The photosensitive device supplies an output signal which depends on the amount of light received from the light-emitting device. A separation circuit receives the output signal and separates an output pulse signal therefrom, indicating an occurrence of a pulse of the input pulse signal, and an output level signal corresponding to a value of the at least one controllable level and thus to the input level signal.
Patent TW-I245078-B (TW)
Title: Deposited-film forming apparatus
Inventor: NISHIUCHI TAKESHI
IPC: H01F1/055
Filed: 2001-03-19
Granted: 2005-12-11
Abstract: With the deposited-film forming apparatus according to the first embodiment of the present invention, the distance between the tubular barrel and the evaporating section can be varied, unlike the prior art deposited-film forming apparatus and hence, the efficient formation of the deposited film on the surface of each of the work pieces accommodated in the tubular barrel and the inhibition of the softening of the formed film can be achieved simultaneously. Therefore, it is possible to inhibit the damaging of the deposited film formed on the surface of each of the work pieces and the production of projections on the deposited film, and to form a deposited film at a high quality in respect of a corrosion resistance and the like and at low cost. With the deposited-film forming apparatus according to the second embodiment of the present invention, the distance between the accommodating section defined in the tubular barrel and the evaporating section can be varied and hence, this deposited-film forming apparatus also exhibits an effect similar to that in the deposited-film forming apparatus according to the first embodiment of the present invention.
Patent TW-534890-B (TW)
Title: Packaging container, packaging body including the same, and packaging method
Inventor: IWASAKI YOSHIO
IPC: B65D1/34
Filed: 2001-03-20
Granted: 2003-06-01
Abstract: A tray which is capable of providing the sufficient bond strength in an operation for thermobonding the tray and a stretch film by an inclined heat roller. A tray (10) comprises a bottom surface (11), a wall surface (12), and a flange (13). The bottom surface (11) is a surface for placing an object to be packaged. The wall surface (12) extends upward from the bottom surface (11) to surround the latter. The flange (13) extends outward from the upper end of the wall surface (12). Further, the flange (13) has a curved portion (13a) on the wall surface side and an inclined portion (13b) positioned outwardly of the curved portion (13a). And the inclined portion (13b) has a substantially linear cross section in its upper surface. Further, the curved portion (13a) is formed such that the wall surface (12) and the inclined portion (13b) form a continuous shape.