摘要:
A mounting device including a plurality of heads, each holding a chip, arranged on a circle, is used to realize accurate and high-speed mounting. A mounting device comprises a plurality of heads with calibration marks, first recognition mechanism fixed in a chip mounting position, and second recognition mechanism fixed in another position. Prior to mounting operation, the first recognition mechanism and the second recognition mechanism recognize and store the positions of the calibration marks of the heads. In mounting operation, the first recognition mechanism recognizes the positions of a substrate and the calibration marks of the heads, whereas the second recognition mechanism recognizes the positions of chips attracted on the heads. The heads are moved vertically to adjust plane to be recognized. The chip and the substrate are aligned according to the position information obtained by the recognition mechanisms, and the chips are mounted.
摘要:
Vibrations generated by a vacuum pump are prevented from propagating to external equipment such as an electron microscope. A casing (a separate casing portion and a casing main body) that houses a stator, stator blades, a rotor portion, and rotor blades as an exhaust function portion is connected to an inlet port portion in which an inlet port for sucking in a gas from the outside is formed, through an elastic member. An suction space between the casing and the inlet port portion is sealed by a bellows cylinder sealing means, and motion regulating members and motion regulating members and which regulate the amount of separation between the inlet port portion and the casing, and change shape due to relative motion between the two, are formed between the inlet port portion and the casing. The elastic member can maintain an appropriate amount of elastic force by means of the motion regulating members, good vibration reducing characteristics can be obtained at all times, and the propagation of vibrations to external equipment and the like, causing loss of function and endurance of the equipment, can be prevented. Further, plastic deformation and breakage of the elastic member and the sealing member can be prevented, and in addition, the vacuum pump can be prevented from running wild due to a sudden accident.
摘要:
The present invention relates to a chip bonding apparatus for bonding a chip to a substrate, with a support structure for preventing a deviation or error in parallelism of a head 1 holding the chip. A first support mechanism 4 supports a pressure cylinder 3 for pressing the head 1 toward a substrate 2. A second support mechanism 5 is provided separately from and independently of the first support mechanism 4 for supporting a reactive force acting on the pressure cylinder 3 when the head 1 is pressed toward the substrate 2. The second support mechanism 5 is in contact with the pressure cylinder 3 through a spherical point of contact 12.
摘要:
A data modifying apparatus having: a memory that stores modification data for modifying data; a detecting unit for detecting each data group from performance data, the data group being unable to be reproduced at the same time from the viewpoint of music; and a modifying unit for modifying the data group detected by the detecting unit to divide the data group into a plurality of sub-data groups capable of being reproduced at the same time from the viewpoint of music, by using the modification data.
摘要:
A musical performance data editing system having an edition designating unit for designating an edition position and edition contents, an edition range determining unit for determining an edition range in accordance with edition designation, and an editing unit for editing information regarding the edition contents in the determined edition range in accordance with the edition contents.
摘要:
A music score editing apparatus handles a music score data set, an intermediate data set and a performance data set for a piece of music. The apparatus processes the data sets for plural pieces of music. The music score data set is composed as including display event data that define notes and signs in musical notation and respective positions of the notes and signs for displaying a music score in a form of musical notation. The intermediate data set is created corresponding to the music score data set and includes a note data set which contains note event data corresponding to the notes and their respective positions, and a sign data set which contains sign event data corresponding to the signs and their respective positions. The performance data set is created corresponding to the intermediate data set, and includes performance event data that define notes to be played in terms of at least pitches and generation times of the respective notes to perform a musical piece as defined by the music score data set.
摘要:
An olefin (co)polymer composition of the present invention comprises 99 to 70 wt. % of olefin (co)polymer (I) and 1 to 30 wt. % of polyethylene-based polymer (II). The olefin (co)polymer (I) comprises 0.01 to 5.0 parts by weight of high molecular weight polyethylene (a) having an intrinsic viscosity &eegr;A measured in tetralin at 135° C. of 15 to 100 dl/g, which is an ethylene homopolymer or an ethylene-olefin copolymer comprising at least 50 wt. % of ethylene polymerization units, and 100 parts by weight of olefin (co)polymer (b) other than the high molecular weight polyethylene. The polyethylene-based polymer (II) has an intrinsic viscosity &eegr;II measured in tetralin at 135° C. of 0.10 to 10 dl/g, which is an ethylene homopolymer or an ethylene copolymer comprising at least 50 wt. % of ethylene polymerization units. Thus, the present invention provides a polypropylene-based olefin (co)polymer composition having excellent formability that is suitable for thermoforming such as vacuum forming and pressure forming, blow molding and foam molding, especially suitable for thermoforming.
摘要:
An electronic musical instrument includes an ROM which stores tone color parameters for determining musical tone characteristics of musical tone signals. Operating elements are operated to create operation information for controlling the musical tone characteristics on real time basis. A tone generator circuit generates the musical tone signals, based on the cone color parameters read from the ROM and the operation information created by the operating elements. Scene memories and a RAM store the operation information created by the operating elements. The operation information is read from the scene memories or the RAM, in response to an instruction from the operator. The operation formation thus read is supplied to the tone generator circuit.
摘要:
The present invention provides a signal delay circuit for substantially steplessly changing a delay interval. The signal delay circuit is composed essentially of a delay controller, a first delay circuit, and a second delay circuit. The delay controller generates and outputs control data consisting of a real number bearing control information for controlling the delay interval, the real number consists of an integral portion and a fractional portion. The first delay circuit receives an incidental signal, delays the incidental signal for creating a first intermediate signal, and outputs the first intermediate signal, the first intermediate signal being delayed with respect to the incidental signal by an interval which is a product of a predetermined cardinal interval and the integral portion of the real number. The second delay circuit receives the first intermediate signal, produces at least one second intermediate signal by delaying the first intermediate signal by at least one interval which is an integral multiple of the predetermined cardinal interval, interpolates the first intermediate signal and said at least one second intermediate signal for producing a delayed signal, and outputs the delayed signal, the delayed signal being delayed with respect to the first intermediate signal by an interval which is a product of the predetermined cardinal interval and the fractional portion of the real number. As a result, the delayed signal is delayed with respect to the incidental signal by a delay interval which is a product of the predetermined cardinal interval and the real number output by the delay control means.
摘要:
The present invention provides a signal delay circuit for substantially steplessly changing a delay interval. The signal delay circuit is composed essentially of a delay controller, a first delay circuit, and a second delay circuit. The delay controller generates and outputs control data consisting of a real number bearing control information for controlling the delay interval, the real number consists of an integral portion and a fractional portion. The first delay circuit receives an incidental signal, delays the incidental signal for creating a first intermediate signal, and outputs the first intermediate signal, the first intermediate signal being delayed with respect to the incidental signal by an interval which is a product of a predetermined cardinal interval and the integral portion of the real number. The second delay circuit receives the first intermediate signal, produces at least one second intermediate signal by delaying the first intermediate signal by at least one interval which is an integral multiple of the predetermined cardinal interval, interpolates the first intermediate signal and said at least one second intermediate signal for producing a delayed signal, and outputs the delayed signal, the delayed signal being delayed with respect to the first intermediate signal by an interval which is a product of the predetermined cardinal interval and the fractional portion of the real number. As a result, the delayed signal is delayed with respect to the incidental signal by a delay interval which is a product of the predetermined cardinal interval and the real number output by the delay control means.