Abstract: The present invention provides a CVD apparatus and a CVD method for use in forming an Al/Cu multilayered film. The Al/Cu multilayered film is formed in the CVD apparatus comprising a chamber for placing a semiconductor wafer W, a susceptor for mounting the semiconductor wafer W thereon, an Al raw material supply system for introducing a gasified Al raw material into the chamber and a Cu raw material supply system for introducing a gasified Cu raw material into the chamber. The Al/Cu multilayered film is formed by repeating a series of steps consisting of introducing the Al raw material gas into the chamber, depositing the Al film on the semiconductor wafer W by a CVD method, followed by generating a plasma in the chamber in which the Cu raw material gas has been introduced and depositing the Cu film on the semiconductor wafer W by a CVD method. The Al/Cu multilayered film thus obtained is subjected to a heating treatment (annealing), thereby forming a desired Al/Cu multilayered film.

Abstract: A CVD film forming apparatus includes a susceptor, provided in a process chamber, having a surface of an area smaller than that of a wafer. A process gas is supplied to a top surface of the wafer mounted on the susceptor, thereby forming a CVD film on the top surface. A film formation preventing gas is supplied in a direction from the rear surface of the wafer toward a peripheral edge thereof at a flow rate which prevents the process gas from flowing to the rear surface of the wafer.

Abstract: In an Hadamard transform coefficient predictor for 8-point and/or 8.times.8-point Hadamard transform, when the transform coefficients of one-dimensional 8-point Hadamard transform are represented by y(0), y(1), . . . , y(7) from the lowest order, y(1) is multiplied by 1/2 and output as a prediction value of y(3), y(2) is multiplied by 1/4 and output as a prediction value of y(4), y(2) is multiplied by 1/2 and output as a prediction value of y(6), and y(1) is multiplied by 1/4 and output as a prediction value of y(7). Alternatively, when a and b represent real numbers which are above zero and below 1, the multiplication value of y(2) and b/2 and the multiplication value of y(4) and (2-2b) are added to each other, and the addition result is output as a prediction value of y(6). Further, the multiplication value of y(1) and a/4 and the multiplication value of y(3) and (1-a)/2 are added and the addition result is output as a prediction value of y(7).

Abstract: In a Hadamard transform coding device, input image signals are first subjected to Hadamard transform. After the Hadamard transform, the DC coefficients are subjected to variable-length coding, and the AC coefficients are subjected to variable-length coding after the output of an AC coefficient predictor is subtracted therefrom. The AC coefficient predictor predicts the AC coefficients of a center block on the basis of the DC coefficients of the adjacent blocks. In a Hadamard transform decoding device, the DC coefficients are first subjected to variable-length decoding. An AC coefficient predictor predicts the AC coefficients of the center block on the basis of the DC efficient of the adjacent blocks. Thereafter, the AC coefficient prediction error is subjected to variable-length decoding, and added with the output of the AC coefficient predictor to obtain the AC coefficients. The transform coefficients thus obtained are subjected to Hadamard inverse-transform to obtain image signals.

Abstract: An image processing apparatus can display a tomographic image of an object in a three-dimensional region and a three-dimensional or stereoscopic image, such as a three-dimensional surface image of the object or a three-dimensional transparent image thereof, simultaneously on a screen. A sectional plane from which the tomographic image is produced is freely designated on the three-dimensional image displayed on the screen. The sectional plane can be indicated on the displayed three-dimensional image by a cursor line. Further, a data processing range along the ultrasound beam direction can be determined on the displayed tomographic image, in which the three-dimensional image is produced from the echo data obtained from the data processing range. Such a data processing range can also be indicated on the displayed tomographic image by means of cursor lines.

Abstract: In a Hadamard transform coding/decoding method and apparatus, transform coefficients which are obtained through an Hadamard transform operation in an Hadamard transformer 3 are subjected to a bit extract (delete) operation in a bit delete unit 4 to extract 1 bit from the least significant bits of the transform coefficients, 4 bits from the second least significant bits and 7 bits from the third least significant bits and then the extracted bits are output as supplement information Ysup. In addition, the transform coefficients whose first, second and third least significant bits are deleted, are output from the bit delete unit 4.

Abstract: An ultrasound diagnosing apparatus comprises an ultrasound transducer for emitting ultrasound beams and receiving reflected beams to form a scanning plane, and for displacing the scanning plane three-dimensionally for N steps; image data processor for obtaining predetermined brightness value data of respective echoes of the received ultrasound beams which define the respective scanning plane and for outputting the brightness value data of the ultrasound beams of the respective scanning plane as one pixel line data; a memory for storing ultrasound image data of M number of ultrasound images into M number of frames, the ultrasound image data of each of the M number of ultrasound images being comprised of N number of the pixel line data produced by the image data processor; writing control circuit for sequentially storing M number of the pixel line data each having a different time phase to the corresponding positions of the respective frames of the memory, the M number of the pixel line data being obtained by c

Abstract: An image processing apparatus includes an ultrasound transducer for sequentially emitting ultrasound beams and receiving respective echoes of the ultrasound beams to produce a scanning plane; a mechanism for displacing the ultrasound transducer to move the scanning plane in a three-dimensional region; a three-dimensional image data generator for sequentially obtaining echo data of the respective ultrasound beams from the echo of the respective ultrasound beams upon receipt of the echo by the ultrasound transducer, and for sequentially generating, based on the echo data of the respective ultrasound beams, brightness value data for each ultrasound beam corresponding to a brightness value for one ?1! pixel in an ultrasound image for the three-dimensional region; a memory, having addresses corresponding to respective pixels in the ultrasound image, for sequentially storing the brightness value data for the respective ultrasound beams generated by the three-dimensional image data generator at the corresponding add

Abstract: An ultrasonic transducer assembly includes a transducer unit having an array transducer composed of a plurality of transducer elements for transmitting and receiving ultrasonic waves to effect electronic scanning, and a casing for housing the transducer unit therein. The casing has a contact surface to be brought into contact with an object to be examined when used. In the casing there is disposed a rocking mechanism for rocking the transducer unit angularly about a virtual rotative axis which is determined on an electronic scanning plane produced by the array transducer and located in the vicinity of the contact portion of the casing.

Abstract: A three-dimensional ultrasonic scanner for acquiring data concerning a three-dimensional area within a living body to be examined. In the inside of a scanner case is encased an array transducer unit. Further, at the end bottom portion of the transducer unit there is provided an array transducer composed of a plurality of transducer elements arranged in line one after another. The electronic scanning of this array transducer produces a two-dimensional scanning plane. In addition, a swinging mechanism is provided for mechanically swinging the transducer unit in a direction normal to the arrangement direction of the transducer elements. This mechanical swing movement of the transducer unit shifts the two-dimensional scanning plane to a direction normal thereto, thereby forming a three-dimensional data acquisition area within the living body. Here, a swing angle of the transducer unit is detected by an angle detector.

Abstract: A steering device for use in a toy car includes an output member having a pair of deformable arms and coupled to a servo, and an input member having side surfaces to be in contact with the free ends of the arms. When the great amount of reaction force from the wheel is applied through the input member to the arm of the output member, this force will be absorbed by the arm due to its elastic deformation so that the damage of the servo is nothing.

Abstract: A shock absorber for use in toys comprising a rod for supporting a wheel, a retainer slidably along the rod, and a spring interposed between the lower section of the rod and the retainer which forces the retainer upwardly. These members can be pre-assembled as unit kit. When the shock absorber is mounted on a chassis member, the retainer is depressed downwardly against the biasing force of the spring and the rod is inserted into a bore formed on a chassis member through a opening side groove thereon. After that, the retainer is held in a recess on the bottom of the chassis member so that the rod is reciprocable along the retainer and the bore of the chassis member to absorb the vibration or shock from the wheel.

Abstract: An encoder in an encoder/decoder system includes a circuit for orthogonally transforming an input image signal, a circuit for receiving the input image signal, judging which orthogonal transformation coefficient is to be omitted and which orthogonal transformation coefficient is to be interframe-coded, and outputting a judgement result as mode information, and a circuit for receiving an output signal from the orthogonal transformation circuit, omitting the orthogonal transformation coefficient according the mode information, and outputting a coded image signal. In a decoder in the encoder/decoder system, the orthogonal transformation coefficient is omitted on the basis of the mode information sent from the encoder, thereby decoding the image signal.

Abstract: An ultrasonic sealing apparatus is disclosed wherein a pair of sheet-like members a bottom portion of a tubular member is fuse-bonded together by frictional heat generated by ultrasonic vibration. The apparatus includes horn (1) and anvil (2) means interposed with members to be fuse-bonded together. The horn and anvil provide contact surfaces (3) in contact with the members to be fused. Each of the contact surfaces is formed with a plurality of grooves (4) to provide a plurality of protrusions (5). Each of the protrusions has a flat upper surface and slanted side surfaces (6), so that the protrusion has a trapezodial cross-section. The horn means applies ultrasonic vibration to the fuse-bonding surfaces of the members to be fused in a direction oblique or parallel therewith in association with the anvil means.

Abstract: The apparatus has encoder and decoder units. The encoder unit is arranged such that a pulse sequence for minimizing the difference between an input image signal and a synthesized signal obtained by supplying the pulse sequence to a transmitting synthesizing filter is calculated and the pulse sequence is encoded and transmitted. The decoder unit is arranged such that the signal received from the encoder unit is decoded, a decoded signal is supplied to a receiving synthesizing filter and the receiving synthesizing filter generates a decoder image signal corresponding to the input image signal.

Abstract: A method for fusing together the bottom of a charged tubular container, formed of a synthetic resin, with its mouth being turned down, comprising the steps of:engaging a flattened portion of the upper end of said tubular container with one side of a vibrator terminal provided at the lower end of an ultrasonic generator oscillating at a given angle to said flattened portion, andapplying ultrasonic vibrations on said one side of said terminal, thereby applying said ultrasonic vibrations on said flattened portion.