摘要:
An insert sub-assembly of an insert device of a machine for processing and inserting parallel lead electronic components from an electronic component web carrier into lead receiving openings in a printed circuit board includes a first slider device slidably mounted on a frame. A driver mounted on the frame drives the first slider device. A second slider device slidably mounted on the frame cooperates with movement of the first slider device and includes a lead holding and guiding device for holding and guiding an electronic component and a push bar for displacing the component from a predetermined position to an inserted position under the control of the lead holding and guiding device. A feed device mounted on the frame is driven by an intermittent drive to feed the electronic component web carrier intermittently, pitch by pitch. A cutter separates one electronic component from the electronic component web carrier fed by the feed device. A transfer device includes a reciprocating unit for producing reciprocative movements between the cutter and the lead holding and guiding device and an electronic component holding device for holding a lead of the electronic component to be separated by the cutter and transferring the component to the lead holding and guiding device after such component has been separated by the cutter.
摘要:
A machine for processing and inserting parallel lead electronic components from electronic component web carriers into lead receiving openings in a printed circuit board has improved supply apparatus for selectively receiving an electronic component at a first position and supplying the electronic component to a second predetermined position. The supply apparatus includes a supply sub-assembly having electronic component web carrier apparatus for supporting a plurality of electronic component web carriers at predetermined intervals. Each electronic component web carrier supported by the electronic component web carrier support apparatus is intermittently fed by an intermittent feed device. One electronic component located at the front end of the electronic component web carrier fed by the intermittent feed device is received and gripped at the first position by an electronic component grip device. The electronic component thus received and gripped by the electronic component grip device is separated from the electronic component web carrier by a cutting device. The electronic grip device gripping the electronic component separated by the cutting device is moved to the second predetermined position by a transfer device.
摘要:
Apparatus for automatically mounting chip type circuit elements on printed circuit boards is constructed in a manner to mount a feed wheel for carrying out the delivery of a chip tape on a lower frame. A lever is mounted with respect to the feed wheel through a one way clutch, so as to allow the lever to be pressed by a cam provided on a reciprocating upper frame which supports a mounting head. The feed wheel is thus rotated in the actuating direction of the one-way clutch to intermittently feed the chip tape and permit another chip type circuit element to be disposed at a chip type circuit element removing position, each time when the mounting head is returned to its original position.
摘要:
A method whereby chip type circuit elements are mounted at predetermined locations on a printed circuit board by a suction means and apparatus for performing the method are disclosed. The suction means picks up each circuit element from a respective stack supported in a vertical magazine and transfers and positions them above the predetermined locations on the printed circuit board which can have a predetermined pattern of laminar conductors on the upper surface thereof. The circuit elements are then released by termination of the applied suction and adhered to the board by a thermoplastic adhesive setting operation.
摘要:
A machine for processing and securing parallel lead electronic circuit elements into lead receiving openings formed in a printed circuit board is provided. The machine includes a supply assembly for selectively supplying one group of a plurality of distinct groups of parallel lead electronic circuit elements, the supply assembly including a selecting sub-assembly for selecting one of the circuit elements from the selected group circuit elements to be supplied. A transfer assembly includes a chuck for receiving the supplied circuit elements and displacing same to a release position. An insert assembly is adapted to effect release of the circuit elements when the chuck is displaced to a release position and includes a holding sub-assembly for receiving each circuit element released by the chuck at the release position and a plunger sub-assembly adapted to engage the circuit elements at the release position and displace the circuit elements from the release position to an inserted position. A board handling assembly disposes the receiving openings in the printed board in alignment with the circuit elements so that the parallel leads each circuit element are received in the appropriate receiving openings when same are displaced to the inserted position.
摘要:
An apparatus and method for mounting chip type electronic parts, in which the parts can be smoothly, reliably and accurately mounted on, for example, a printed circuit board. The apparatus for mounting the chip type parts comprises means for conveying the part to be mounted, means for supplying the part onto the conveying means, means for receiving the part from the conveying means and for mounting the same onto a printed circuit board for example, and also means for positioning the part upon the conveying means before transfer of the part to the receiving and mounting means. The method for mounting a chip type part according to the present invention comprises the steps of supplying the part onto means for conveying the same to be mounted, positioning of the part on the conveying means, and then removing the part off the conveying means and mounting the same.
摘要:
The technical problem to be solved is to change the thickness of the colored resin layer of the preform gradually in the upward or downward direction, by utilizing a tendency of gradual decrease in the thickness of the colored resin layer caused by the flow of the main resin inside the preform mold when the main resin and the colored resin are injected into the mold. This involves adjusting the injection pattern including the time of starting and ending the supply of the main resin and the colored resin, and pressure or velocity profiles, reducing the thickness of the colored resin layer gradually upstream or downstream, injection-molding the preform in which a color-gradated portion associated with the thickness of the colored resin layer has been formed, and biaxially drawing and blow molding this preform into a bottle having a color-gradated portion.
摘要:
A semiconductor includes an N-type impurity region provided in a substrate. A P-type RESURF layer is provided at a top face of the substrate in the N-type impurity region. A P-well has an impurity concentration higher than that of the P-type RESURF layer, and makes contact with the P-type RESURF layer at the top face of the substrate in the N-type impurity region. A first high-voltage-side plate is electrically connected to the N-type impurity region, and a low-voltage-side plate is electrically connected to a P-type impurity region. A lower field plate is capable of generating a lower capacitive coupling with the substrate. An upper field plate is located at a position farther from the substrate than the lower field plate, and is capable of generating an upper capacitive coupling with the lower field plate whose capacitance is greater than the capacitance of the lower capacitive coupling.
摘要:
Provided are an organic compound having high heat stability suitable for use in an organic light-emitting device, and an organic light-emitting device using the organic compound. The organic light-emitting device is an organic light-emitting device, including: an anode; a cathode; and an organic compound layer disposed between the anode and the cathode, in which at least one layer of the organic compound layer has a 6,12-dinaphthylchrysene derivative represented by one of the following general formulae (1) and (2): in the formulae (1) and (2), Z represents a naphthyl group, and Q represents an electron-withdrawing substituent selected from the group consisting of the following general formulae (3) to (5): in the formula (5), R1 represents a hydrogen atom or a methyl group.
摘要:
The technical problem to be solved is to change the thickness of the colored resin layer of the preform gradually in the upward or downward direction, by utilizing a tendency of gradual decrease in the thickness of the colored resin layer caused by the flow of the main resin inside the preform mold when the main resin and the colored resin are injected into the mold. This involves adjusting the injection pattern including the time of starting and ending the supply of the main resin and the colored resin, and pressure or velocity profiles, reducing the thickness of the colored resin layer gradually upstream or downstream, injection-molding the preform in which a color-gradated portion associated with the thickness of the colored resin layer has been formed, and biaxially drawing and blow molding this preform into a bottle having a color-gradated portion.