摘要:
A structure of button for an electronic product has an upper lid, a chassis having a switch and a parallel bar set, which positioned between the upper lid and the chassis, such that the upper lid can move down upon being depressed by an external force to activate the switch of the chassis and can substantially return to its original position upon removing the external force. The parallel bar set has a base, two supporting racks, positioned parallel to each other above the base, wherein a side of one of the two supporting racks is connected to a positioning bar and the positioning bar is buckled to the base, the positioning bar and two supporting racks are positioned between the chassis and the upper lid to enable the upper lid to move towards the chassis under the influence of a movement of the parallel bar set.
摘要:
An optical mouse includes a housing holding a refractor and a circuit board carrying a light emitting element and a sensor, the refractor having a recessed receiving chamber that accommodates the light emitting element, a reflection surface for reflecting light from the light emitting element onto the contact surface that supports the housing, a light penetrating portion, and a circular arc surface for focusing light from the contact surface onto the sensor through the light penetrating portion.
摘要:
A tact switch has a seat body which has a housing compartment for housing a first conductive electrode and a second conductive electrode, a first elastic element located in the housing compartment above the first and the second conductive electrodes, a press set located in the housing compartment above the first elastic element, and a closure body fastened to the seat body to cover the housing compartment. The press set further includes a hat body which has a coupling section and a second elastic element coupled with the coupling section. The coupling section has an opening and a directing section formed on the periphery of the opening with an inner diameter greater than the coupling section, and a chamfered edge located between the directing section and the coupling section to facilitate insertion and assembly of the second elastic element in the coupling section.
摘要:
A carrier with embedded components comprises a substrate and at least one embedded component. The substrate has at least one slot and a first composite layer. The embedded component is disposed at the slot of the substrate. The first composite layer has a degassing structure, at least one first through hole and at least one first fastener, wherein the degassing structure corresponds to the slot, the first through hole exposes the embedded component, and the first fastener is formed at the first through hole and contacts the embedded component. According to the present invention, the degassing structure can smoothly discharge the hydrosphere existing within the carrier under high temperature circumstances and the first fastener is in contact with the embedded component, which increases the joint strength between the embedded component and the substrate.
摘要:
A closed-air cushioned key switch structure includes an electrical board having multiple contacts, and multiple key switch bodies arranged above the contacts of the electrical board, each key switch body having top press portion for clicking by a user, a conductor at the bottom side for contacting one respective contact of the electrical board to produce a switching signal and an enclosed air chamber defined in between the press portion and the conductor for buffering clicking to give comfort to the user's finger to avoid noises. The key switch bodies are formed in integrity without any gap in therebetween, avoiding penetration of fluid or water through the key switch bodies to contaminate or wet the electrical board.
摘要:
An embedded chip substrate includes a first insulation layer, a core layer, a chip, a second insulation layer, a first circuit layer, and a second circuit layer. The core layer disposed on the first insulation layer has an opening that exposes a portion of the first insulation layer. The chip is adhered into a recess constructed by the opening and the first insulation layer. The second insulation layer is disposed on the core layer for covering the chip. The first circuit layer is disposed at the outer side of the first insulation layer located between the first circuit layer and the core layer. The second circuit layer is disposed at the outer side of the second insulation layer located between the second circuit layer and the core layer. The first circuit layer is electrically connected to the second circuit layer that is electrically connected to the chip.
摘要:
A process of an embedded chip package structure includes following steps. Firstly, a metal core layer having a first surface, a second surface opposite to the first surface, an opening, and a number of through holes are provided. The opening and the through holes connect the first surface and the second surface. A chip is then disposed in the opening. Next, a dielectric layer is formed in the opening and the through holes to fix the chip in the opening. Thereafter, a number of conductive vias are respectively formed in the through holes and insulated from the metal core layer by a portion of the dielectric layer located in the through holes. A circuit structure is then formed on the first surface of the metal core layer by performing a build-up process, and the circuit structure electrically connects the chip and the conductive vias.
摘要:
An electronic package is provided. The electronic package includes a first substrate, an electronic component, a first sealant, a second substrate, a plurality of bonding wires and a second sealant, wherein the first substrate has opposing upper and lower surfaces and a plurality of bonding pads is disposed on the upper surface of the first substrate. The electronic component is positioned on the upper surface of the first substrate and electrically connected to the bonding pads. The first sealant is formed on the upper surface of the first substrate to encapsulate the electronic component. The lower surface of the second substrate is attached to the first sealant. The upper surface of the second substrate includes a central protrusion and a rim portion which surrounds and is lower than the central protrusion. A plurality of bonding wires is used to electrically connect the rim portion to the first substrate. The second sealant is formed on the upper surface of the first substrate and on the rim portion of the second substrate to encapsulate the bonding wires, the first sealant and the rim portion.
摘要:
A manufacturing method of a multi-layer circuit board embedded with a passive component includes the steps of: providing a conductive foil which has one or more pairs of metal protruding points; connecting a passive element to the corresponding metal protruding points; providing a board having a core substrate with organic insulation layer on a core substrate; stacking the conductive foil and the board, wherein the passive component is embedded in the organic insulation layer and patterning on the conductive foil.
摘要:
A semiconductor package structure and manufacturing method thereof are provided, wherein the semiconductor package structure comprises a multi-layer circuit board, an electronic device and a slug. The multi-layer circuit board has at least one via hole, and the electronic device having a upper surface is buried in the multi-layer circuit board, wherein a portion of the upper surface is connected with the via hole. The slug is set in the via hole. One end of the slug is in contact with the upper surface of the electronic device and the other end of the slug is exposed out of the multi-layer circuit board through the via hole.