摘要:
An IC card, which can be mass-produced at low cost, is composed of a plane coil formed by means of punching or etching. The plane coil 10 in which a conductor line 11 is wound a plurality of times in substantially the same plane is formed by punching, terminals 10a, 10b of the plane coil 10 and electrode terminals 12a, 12b of the semiconductor element 12 are electrically connected to each other, the plane coil 10 is provided with an outside terminal 10a formed outside the coil and an inside terminal formed inside the coil, the semiconductor element 12 is arranged in such a manner that a forming face on which the electrode terminals 12a, 12b are formed or a plane reverse to the forming face is opposed to the conductor line 11 of the plane coil 10, the electrode terminals 12a, 12b of the semiconductor element 12 are respectively located adjacent to the outside terminal 10a and the inside terminal 10b of the plane coil 10, and the electrode terminals 12a, 12b are electrically connected to the terminals 10a, 10b of the plane coil 10 located on the same side with respect to the inside and outside of the coil.
摘要:
An IC card, which can be mass-produced at low cost, is composed of a plane coil formed by means of punching or etching. The plane coil 10 in which a conductor line 11 is wound a plurality of times in substantially the same plane is formed by punching, terminals 10a, 10b of the plane coil 10 and electrode terminals 12a, 12b of the semiconductor element 12 are electrically connected to each other, the plane coil 10 is provided with an outside terminal 10a formed outside the coil and an inside terminal formed inside the coil, the semiconductor element 12 is arranged in such a manner that a forming face on which the electrode terminals 12a, 12b are formed or a plane reverse to the forming face is opposed to the conductor line 11 of the plane coil 10, the electrode terminals 12a, 12b of the semiconductor element 12 are respectively located adjacent to the outside terminal 10a and the inside terminal 10b of the plane coil 10, and the electrode terminals 12a, 12b are electrically connected to the terminals 10a, 10b of the plane coil 10 located on the same side with respect to the inside and outside of the coil.
摘要:
Thickness of an IC card is decreased, and the manufacturing efficiency of the IC card is enhanced so as to reduce the manufacturing cost. The IC card comprises: a semiconductor element 14 having electrodes; a plane coil 12 formed in such a manner that a conductor 12b is wound on the same face, having terminals 12a at respective ends; bonding wires 16 for electrically connecting terminals at both ends of the plane coil to the electrodes of the semiconductor element; and resin films 10 for sealing the semiconductor element, plane coil and bonding wires 16 when they are interposed between the resin films, wherein the thickness of the semiconductor element 14 is smaller than the thickness of the plane coil 12 and does not interfere with the conductor of the plane coil, and a thin wall thickness portion 12c is formed on a front face of the conductor of the plane coil through which the bonding wires can pass without protruding from the region of the thickness of the plane coil.
摘要:
A wiring forming system comprises: maskless exposure unit which directly exposes an unexposed board by using exposure data generated based on design data relating to an wiring board; post-development inspect unit which tests the board after development, by using the exposure data and the image data of the board exposed and developed by the maskless exposure unit; etching unit which etches the developed board; and post-etching inspect unit which tests an etching pattern formed on the etched board, by using etching inspect data generated based on the design data and the image data of the board etched by the etching unit.
摘要:
An optical exposure method and a device are used for forming patterns on a printed board wiring or semiconductor board. A single exposing region of a surface to be exposed is irradiated with a plurality of optical beams having different irradiating areas and different scanning pitches, such as, a peripheral area is irradiated with an optical beam having a smaller irradiating area and an inner area is irradiated with an optical beam having a larger irradiating area.
摘要:
A method of mounting an electronic part on a board, in which an electronic part and a mounting board on which the electronic part is to be mounted are placed in a vacuum or inert atmosphere, and the electronic part is mounted on the board by bringing the bonding members of the electronic part and the board into contact with each other at normal temperature to thereby mount the electronic part on the board, the method comprising forming the bonding members of at least one of the electronic part and the board out of a solder material, and bringing the bonding members of the electronic part and the board into contact with each other without preprocessing the bonding surfaces of the bonding members.
摘要:
A semiconductor device with an antenna including one or more antenna units for sending and receiving signals and a semiconductor element electrically connected to the antenna units, wherein the antenna units are formed by pressing or etching a thin metal sheet with substantially the same flat surface size as the semiconductor element, and the antenna units are integrally coupled to the surface of the semicondcutor element. The antenna units are formed in a plurality of layers separated by insulating layers, and the antenna units formed on the respective layers are connected electrically in series with each other.
摘要:
A non-contact type IC card includes an insulating film having first and second surfaces. A plane coil is arranged on the first surface of the film. A semiconductor element is arranged on the first surface of the filmy The film has through holes which expose terminals of the plane coil and electrode terminals of the semiconductor element to the second surface of the film. A wiring pattern consisting of conductive paste is filled in the through holes and extends therebetween along the second surface of the film so that the terminals of the plane coil are electrically connected to the electrode terminals of the semiconductor element by means of the wiring pattern.
摘要:
A component-embedded board fabrication method includes detecting, before the board is covered with a first insulating layer, the actual position of a first electronic component formed on a surface of the board, calculating a displacement between the design position of the first electronic component on the surface of the board and holding the displacement as first displacement data, and correcting, based on the first displacement data, design data to be used for processing the board after the board is covered with the first insulating layer.
摘要:
Method for manufacturing a semiconductor device wherein thin semiconductor chips having a thickness of 50 μm or so are imbedded and mounted inside a package, and multi-level stacking is facilitated by forming external connection terminals on both surfaces of the package, or, alternatively, exposing the terminal formation portions of the wiring pattern, to which the external conncetion terminals are to be connected, out of a solder resist layer.