摘要:
A light-emitting device has a submount and a plate for heat transfer having a metallic plate (30). The submount has a mount base (10), at least one light-emitting diode chip (50) mounted thereon and electrically conducting (12,15) lines formed on the mount base to be connected electrically to the light-emitting diode chip. A first plane of the mount base of the submount is bonded thermally to the first plate. For example, the plate is a circuit board having a metallic plate, and the submount is bonded thermally to the metallic plate of the one of the at least one plate. In an example, a plurality of grooves (7) are formed at the bottom of the mount base (10).
摘要:
The invention provides methods and devices for fabricating printable semiconductor elements and assembling printable semiconductor elements onto substrate surfaces. Methods, devices and device components of the present invention are capable of generating a wide range of flexible electronic and optoelectronic devices and arrays of devices on substrates comprising polymeric materials. The present invention also provides stretchable semiconductor structures and stretchable electronic devices capable of good performance in stretched configurations.
摘要:
An interposer with which the manufacturing steps are able to be simplified and which shows superior high frequency characteristics is provided. The interposer includes: a substrate having a front face and a rear face; a wiring that is formed on the front face side of the substrate and is electrically connected to a semiconductor chip; an electric device connected to the wiring; and a concave section that is formed from the rear face side of the substrate in a position corresponding to the electric device.
摘要:
Disclosed is a method of manufacturing a hybrid structure of multi-layer substrates. The method comprises steps of: separating a border district of at least one metal layer connecting with a border district of the corresponding dielectric layer from adjacent metal layers and adjacent dielectric layers for each multi-layer substrate and connecting a separated border of a metal layer of one multi-layer substrate with a separated border district of a metal layer of another multi-layer substrate to form a connection section. The hybrid structure comprises at least a first multi-layer substrate and a second multi-layer substrate. At least one first metal layer is connected with at least one second metal layer to form a connection section.
摘要:
An electronic component is described which comprises an electronic component body (5) having first and second main surfaces (2, 3) opposed to each other, and side surfaces (4) connecting the first and second main surfaces (2, 3), a plurality of grooves (6) formed in the side surfaces (4), the grooves (6) extending from the first main surface (2) to the second main surface (3), an external terminal electrode (10) formed in each of the grooves (6), the external terminal electrode (10) having an axial direction dimension smaller than that of the electronic component body (5) and being arranged to reach the second main surface (3), and a connection conductor (37) formed in each of the grooves (6) separated from the external terminal electrode (10), the connection conductor (37) ) having an axial direction dimension smaller than that of the electronic component body (5) and being arranged to reach the first main surface (2).
摘要:
A composite multi-layer substrate (20) comprising a flat plate-like core member (21) formed of a material having an excellent electric conductivity, an excellent heat conductivity, and a high rigidity, a front resin layer (22) and a rear resin layer (23) covering at least the front and rear surfaces of the core member (21), and a bottomless hole (24) formed in the core member (21) through the front and rear sides of the core member (21), wherein an electronic component (25) is installed in the bottomless hole (24), whereby since the strength of the composite multi-layer substrate (20) can be assured by the rigidity of the core member (21), conventional prior art glass cloth can be eliminated, deterioration in the electric characteristics caused by ion migration can be avoided and will result in reduced production cost.
摘要:
The invention aims at improving the temperature resisting cycle characteristics after mounting and moisture absorption resiting reflow characteristics of a chip-mounted semiconductor, and provides an adhesive which functions as a bonding member (3) to be used when a semiconductor chip (6) is mounted on an organic supporting substrate (4) and which has storage moduli at 25 °C and at 260 °C as measured with a dynamic visco-elasticity measuring instrument of 10-2000 MPa and 3-50 MPa, respectively, a double-coated adhesive film produced therewith, a semiconductor device, an semiconductor chip mounting substrate, and methods of manufacturing these products.
摘要:
According to an exemplary embodiment, a wafer level package includes a device wafer including at least one device wafer contact pad and a device, and where the at least one device wafer contact pad is electrically connected to the device. The wafer level package includes a first polymer layer situated over the device wafer. The wafer level package includes at least one passive component situated over the first polymer layer and having a first terminal and a second terminal. The first terminal of the at least one passive component is electrically connected to the at least one device wafer contact pad. The wafer level package includes a second polymer layer situated over the at least one passive component. The wafer level package includes at least one polymer layer contact pad situated over the second polymer layer and electrically connected to the second terminal of the at least one passive component.
摘要:
Disclosed is an ultra high frequency radio communication apparatus having: a receiver antenna; a transmitter antenna; an IC chip being electrically connected to the receiver antenna and the transmitter antenna; a substrate on which the receiver antenna, the transmitter antenna and the IC chip are mounted; an input terminal for inputting to the IC chip a base band input signal; an output terminal for outputting a base band output signal from the IC chip; and a control signal terminal for inputting a control signal for controlling the IC chip to the IC chip. The IC chip is placed in a shielding space such that the cut-off frequency of the shielding space is higher than the frequency of a carrier signal for radio communication.