Abstract:
A circuit board assembly includes a first circuit board, and a second circuit board, a first optical transceiver, a number of first light wave guides, a second optical transceiver, and a number of second light wave guides. The first circuit board defines a number of first through holes. The second circuit board defines a number of second and third through holes. Each of the third through holes is aligned with a respective first though hole. The first optical transceiver is optically coupled with the second through holes. The first light wave guides are mounted on one surface of the first circuit board and optically coupled with the second through holes. The second optical transceiver is optically coupled with the third through holes. The second light wave guides are mounted on another surface of the first circuit board and are optically coupled with the first through holes.
Abstract:
A high-frequency transmission module includes a first chip, a second chip, and a conductive wire. The first chip includes a first top surface and a number of pads arranged along a periphery of the first top surface. The pads include a first bonding pad. The second chip includes a second top surface and a second bonding pad on the second top surface. The second chip is positioned on the first top surface such that the pads are uncovered by the second chip and the second bonding pad is mostly closed to the first bonding pad. The conductive wire bonds to the first bonding pad and the second bonding pad to electrically connect the second chip to the first chip and is configured to transmit high-frequency signals between the first chip and the second chip.
Abstract:
A chip package includes a substrate, a pad, a double-sided adhesive tape, a chip, and a sealing member. The pad is arranged on the substrate and has a top surface facing away from the substrate. The double-sided adhesive tape includes a first paste surface and an opposing second paste surface. The first paste surface is attached to the top surface. The chip is attached onto the second paste surface and includes a light emitting surface or a light receiving surface facing away from the second paste surface. The sealing member is formed on the pad and tightly surrounds the chip and the double-sided adhesive.
Abstract:
An optical fiber connector assembly includes an optical socket and an optical plug. The optical socket defines a recess, and a coupling surface in the recess, with light emitters and light detectors on the coupling surface. Each light emitter includes a light emitting surface exposed in the recess, and is configured for converting a first electrical signal into a first optical signal. Each light detector includes a light incident surface exposed in the recess, and is configured for converting a second optical signal into a second electrical signal. The optical plug can be inserted into the recess, and includes optical output fibers aligned with the light emitting surface for outputting the first optical signal from the light emitting surface, and optical input fibers aligned with the light incident surface for inputting the second optical signal to the light incident surface.
Abstract:
An optical-electrical converting device includes a substrate, an electrical circuit layer, at least one auxiliary pad, and an optical-electrical converting lens. The electrical circuit layer includes at least one circuit portion. The optical-electrical lens includes at least one first supporting portion and at least one second supporting portion. Each of the at least one first supporting portion is positioned on a respective one of the at least one first circuit portion, and each of the at least one second supporting portion is positioned on a respective one of the at least one auxiliary pad. The electrical circuit layer and the at least one auxiliary pad are arranged on the substrate. The thickness of the at least one first circuit portion layer is substantially equal to the thickness of the at least one auxiliary pad.
Abstract:
A chip assembly includes a PCB, a connecting pad fixed on the PCB, and a chip. The connecting pad defines a through hole. The chip is received in the through hole and fixed on the PCB by an adhesive distributed in the through hole. A thickness of the adhesive is less than that of the connecting pad.
Abstract:
A circuit board assembly includes a circuit board, at least one pad formed on the circuit board, and at least one connection line. Each of the at least one connection line includes a connection end connected to a respective one of the at least one pad and has the same resistance value as the respective pad.
Abstract:
An optical-electrical module includes a base board, a laser diode, an integrated circuit, and a lens unit. The laser diode and the integrated circuit are both fixed on the base board. The lens unit and the base board cooperatively define a receiving space to receive the laser diode and the integrated circuit. The laser diode has a transmitting window at an end of the laser diode away from the base board. The integrated circuit drives the laser diode to transmit optical signals. The lens unit has an inner surface facing the base board, and the inner surface of the lens unit has a light transmitting area. The lens unit includes a metal film formed on the inner surface of the lens unit except on the light transmitting area.
Abstract:
An optical fiber coupling assembly includes a first optical fiber connector and a second optical fiber connector. The first optical fiber connector includes a first body having a first light incident surface, first optical lenses, first plugs, and second plugs. The first optical lenses, the first plugs, and the second plugs are formed on the first light incident surface. The first optical lenses are positioned between the first plugs, and the first plugs are positioned between the second plugs. The second plugs are longer than the first plugs. The second optical fiber connector includes a second body having a second light incident surface and second optical lenses formed on the second light incident surface. First engaging holes and second engaging holes are defined in the second light incident surface. The first plugs are inserted into the first engaging holes, and the second plugs are inserted into the second engaging holes.
Abstract:
A chip package includes a substrate, an electrical module, an optical module and a transmission module. The electrical module and the optical module are positioned on the substrate and electrically connect with each other. The optical module is used for converting optical signals to electrical signals, and vice versa. The optical module includes an optical emitting element and optical receiving element. The transmission module is positioned on the substrate. The transmission module includes an optical wave guide array having a reflection surface and a plurality of optical fibers that are optically coupled with the optical wave guide array. The optical signals emitted by the optical module are reflected by the reflection surface and reach the optical fibers to be transmitted; the optical module is capable of receiving optical signals from the optical fibers.