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| Number | Title | Issue Date |
| 5973668 | Pointing device In the pointing device of the present invention, a sensor is connected via an amplifier section to a microcomputer. Further, a reference voltage generator is connected to the microcomputer and the amplifier section. With this construction, the microcomput... | 10/26/1999 |
| 5910452 | Method for reducing antenna effect during plasma etching procedure for semiconductor device fabrication A method of semiconductor fabrication that reduces an antenna effect that can occur during a plasma etching procedure. The semiconductor device has circuitry fabricated over the surface of a silicon substrate and includes a gate structure having a gate ox... | 06/08/1999 |
| 5874783 | Semiconductor device having the inner end of connector leads displaced onto the surface of semiconductor chip A semiconductor device includes connector leads which have an offset portion supported by the primary surface of a semiconductor chip on which electronics circuitry is formed into an integrated circuit. The offset portion is disposed near the contact pads... | 02/23/1999 |
| 5844630 | Apparatus and method for detecting motion vectors of pivel blocks of a digitized video signal A motion detector and a motion area detector detect shifts of areas at which motions exist by using signals of fields before and after the field to be detected. According to shifts of the detected areas, an initial vector closest to the true motion is sel... | 12/01/1998 |
| 5838164 | Method of measuring the threshold voltage of metal-oxide semiconductor field-effect transistors A method for accurately measuring the threshold voltage of a MOSFET device. A variable DC voltage is connected between the drain and the source, and the source and the substrate are grounded. The drain-to-source voltage is varied among a first predetermin... | 11/17/1998 |
| 5828134 | Metallization to improve electromigration resistance A new method of metallization using a new design of metal contact shape, contact/via profile, and metal lines having considerably reduced current density and improved electromigration of metal lines is achieved. Metal contacts are formed in a rectangular ... | 10/27/1998 |
| 5828121 | Multi-level conduction structure for VLSI circuits This invention deals with the formation of the multi-level electrode metal structure and the interconnecting inter-level metal studs used in the fabrication of VLSI circuits. After the metal layers have been formed the inter-level dielectric material used... | 10/27/1998 |
| 5828036 | Method and apparatus for reflowing and annealing borophosphosilicate glass A furnace with a large quartz tube with a gas inlet on one end, and a large opening at the other end for introducing and withdrawn wafers on a support. At least one small quartz tube is provided within and adjacent the sidewall of the large tube that has ... | 10/27/1998 |
| 5813894 | Runnable block and block toy using the same A runnable block including a block body having a first engage projection and first engage recess respectively provided on the top and bottom surfaces of the block body, and four wheels rotatably attached to both sides of the block body via wheel shafts. A... | 09/29/1998 |
| 5812486 | Dual port ram A structure for the data processing device, including a memory cell array part having a plurality of memory cells for storing data, first and second address terminals for receiving address signals, a first controller for receiving a first read signal and ... | 09/22/1998 |
| 5793659 | Method of modular reduction and modular reduction circuit A method of modular reduction P mod Q based on a precomputation. Two quantities are precomputed and stored in a look-up table. Based on these stored precomputed quantities, two stages of partial modular reduction are performed. The result of the second st... | 08/11/1998 |
| 5786257 | Method of fabricating a LDD transistor A MOS device and method of fabricating the same, wherein the source/drain region has polysilicon trench structure which are formed by self-alignment using silicon oxide layers as masks. The source/drain regions extend to the field oxide layer and/or above... | 07/28/1998 |
| 5780836 | IC card for portable type electronic apparatus and card insertion method The portable type electronic apparatus of the present invention is provided with an apparatus body having an apparatus side connection contact, a card holder, having guide channels for guiding an IC card to a specified position. One end side is freely rot... | 07/14/1998 |
| 5780337 | Method of fabricating a bit line of a dynamic random access memory A method of forming a bit line of a dynamic random access memory. An insulating layer is used to cover the source/drain region in a substrate. A trench is formed in the insulating layer above the source/drain region. Then, a portion of the insulating laye... | 07/14/1998 |
| 5777486 | Electromigration test pattern simulating semiconductor components A test pattern simulates conductors and interconnections of conductors of a multi-layer semiconductor device that may be subject to damage from electromigration. Test pattern elements are connected in a series circuit with two connection points for applyi... | 07/07/1998 |
| 5771340 | Data compression method and print processing device utilizing the same A printing data transmitted from a host computer is stored in a receiving buffer. An editorial unit receives the printing data in the receiving buffer in each one line and writes into a page buffer after compressed. An expansion unit reads out the printin... | 06/23/1998 |
| 5770817 | Raceway box with replaceable cable and connector receptacles A raceway box with replaceable cable and connector receptacles is provided. The raceway box allows easy replacement of various types of connectors when necessary. Further, the raceway box can provide inlet/outlet openings in various directions based on on... | 06/23/1998 |
| 5769932 | Surface treatment material required in fusing dental porcelain which prevents deposition of coat due to antioxidant and strongly bonds metal frame and dental porcelain with each other A surface treatment material used in fusing dental porcelain, containing powder of gold terpene sulfide, is applied and sintered on a metal frame. Then, the terpene and sulfur oxidize to suppress oxidation of gold and the like. A surface treatment layer h... | 06/23/1998 |
| 5769685 | Balloon decoration assembly and balloon units A decorative balloon assembly including a number of connected balloon units. Each balloon unit includes a number of globe-shaped balloon elements arranged in an annular fashion. Each of the balloon elements is linked to adjacent balloon elements by air pa... | 06/23/1998 |
| 5768216 | Flexitensional transducer having a strain compensator In a flextensinal transducer a drive stack provided inside the oval shell has a strain compensator that has a cylinder and piston. The cylinder is provided in the oval shell, and the piston is stiffly attached to the end of the drive stack. Inside the cyl... | 06/16/1998 |
| 5767508 | Photoelectric sensor having a light guide built-in In a photoelectric sensor, a photosensitive device is mounted on a substrate and outputs an electric signal corresponding to light incident thereto. A casing holds the substrate in a bore formed therein and includes a light guide portion formed of an opti... | 06/16/1998 |
| 5763925 | ROM device having memory units arranged in three dimensions, and a method of making the same A three-dimensional ROM device includes a silicon substrate having plurality of parallel trenches formed in an upper surface thereof, and a plurality of raised mesa regions. Each trench has a bottom and a pair of sidewalls, and is separated from an adjace... | 06/09/1998 |
| 5763919 | MOS transistor structure for electro-static discharge protection circuitry having dispersed parallel paths A MOS transistor array structure for an electro-static discharge protection circuit in a semiconductor integrated circuit device, having dispersed parallel discharge paths. The MOS transistor array includes an n-well formed in a silicon substrate of the f... | 06/09/1998 |
| 5761855 | Structure and method of implementing a supplementary column for supporting a raised floor An apparatus and method for implementing a supplementary column structure for supporting a raised floor. The apparatus includes a number of fixed supporting columns above a lower floor to support at least one raised floor. Each fixed supporting, column ha... | 06/09/1998 |
| 5759919 | Method for reducing gate oxide damages during gate electrode plasma etching A method of forming a gate on a silicon substrate with a preformed film of gate oxide. A polysilicon layer is formed on the gate oxide. A slit is then formed in a predetermined area of the polysilicon layer. A masking layer is formed on the surface of the... | 06/02/1998 |
| 5759896 | Process for fabricating memory cells of flash memory A process for fabricating memory cells of flash memory devices that requires lower voltages between the drain and source regions when storing or erasing data, and avoids the punch-through problem associated with conventional flash memory devices having a ... | 06/02/1998 |
| 5757083 | Drain off-set for pull down transistor for low leakage SRAM's The pull down transistor of a static SRAM semiconductor device is formed with oxide and polysilicon regions formed on a doped silicon substrate. A masking area is formed over the drain side of the polysilicon and the areas of the drain region proximal to ... | 05/26/1998 |
| 5754647 | Software protection apparatus and the method of protection utilizing read-write memory means having inconsistent input and output data An apparatus and method for software protection utilizing a read-write memory device having output data that is inconsistent with the corresponding input data. An emulator detector monitors address inputs to the memory device and detects suspect addressin... | 05/19/1998 |
| 5752685 | Vacuum pencil holder with turnable wand stand A vacuum pencil holder for holding a vacuum pencil used for picking up semiconductor dies or chips during fabrication of integrated circuit devices. The vacuum pencil holder has a wand stand adjustable in angular position about an elongated supportive mem... | 05/19/1998 |
| 5752223 | Code-excited linear predictive coder and decoder with conversion filter for converting stochastic and impulsive excitation signals A code-excited linear predictive coder or decoder for a speech signal has an adaptive codebook, a stochastic codebook, and a pulse codebook. A constant excitation signal is obtained by choosing between a stochastic excitation signal selected from the stoc... | 05/12/1998 |
| 5751665 | Clock distributing circuit A clock distributing circuit, that comprises a clock distribution output circuit for inputting an external clock, outputting a first clock that synchronizes with the external clock, and distributing the first clock to each of load circuits, and a distribu... | 05/12/1998 |
| 5751198 | Angular modulator with a phase variation divided and integrated A digital modulator capable of obtaining a high FM modulation index and reducing the quantization noise without increasing the sampling frequency of an A/D converter of input voice. A phase variation $c;(Ts) of the digital data (Ts is the sampling peri... | 05/12/1998 |
| 5745465 | Digital video disc pick-up head system A digital video disc optical pick-up head system has a laser light source, a beam splitter, a collimating len, a polarization changer, a deflecting mirror, an optical crystal assembly, an objective len and a photosensor assembly. These optical components ... | 04/28/1998 |
| 5744847 | Polysilicon trench and buried wall device structures This invention describes a device structure and a method of forming the device structure using trenches with sidewalls formed in the substrate of an integrated circuit. A highly doped polysilicon layer is formed on the walls of the trench or the trench is... | 04/28/1998 |
| 5742865 | Apparatus for controlling temperature of fixing device by increasing the temperature for each sheet of a continuous fixing operation An apparatus controls a temperature of a heat roller for fixing a developer material transferred on a print medium such as paper. The apparatus includes a controller, a sensor for detecting the thickness and/or width of a print medium such as paper, and a... | 04/21/1998 |
| 5742083 | Electrostatic discharge protection metal-oxide semiconductor field-effect transistor with segmented diffusion regions A MOSFET structure for an ESD protection circuit in a semiconductor IC device having segmented diffusion regions. The transistor includes a gate having an extended strip-shaped structure formed on the substrate of the IC device. A well region is formed in... | 04/21/1998 |
| 5740372 | Circuit which detects a signal in successive frames by feeding back look up data with one frame delay as addresses to look up memory A signal detection circuit receives a data stream containing a signal to be detected and detects the contained to-be-detected signal. The signal detection circuit includes a memory circuit prestoring data for detecting the to-be-detected signal, a first d... | 04/14/1998 |
| 5740177 | Method of correcting error, suitable for storage device A method of correcting an error, which is suitable for use in a storage device. When the error exists in data read from a storage region of a storage medium having the storage region and a spare region and the read data is correctable, the read data is co... | 04/14/1998 |
| 5739719 | Bias circuit with low sensitivity to threshold variations A bias circuit with low sensitivity to threshold variations provides a bias voltage independent of transistor threshold variations and also a bias voltage independent of source potential variation. Negative feedback controls the bias voltage at one output... | 04/14/1998 |
| 5739609 | Magnetic bearing apparatus A magnetic bearing apparatus comprises a pair of radial magnetic bearings arranged on both sides in the axial direction of an axial magnetic bearing. A pair of first touchdown bearings are arranged at both ends of a spindle. Annular slide bearings are mou... | 04/14/1998 |
