Abstract:
A rigid flex board module includes a rigid flex circuit board and a high-density interconnected circuit board. The rigid flex circuit board includes a flexible circuit board, a first rigid circuit board and a first adhesive layer. The flexible circuit board includes a bending portion and a jointing portion connected to the bending part. The rigid flex circuit board is disposed on the jointing portion to expose the bending portion. The first rigid circuit board electrically connects with the flexible circuit board. The first adhesive layer connects the first rigid circuit board and the jointing portion. The high-density interconnected circuit board is disposed in the first rigid circuit board and is electrically connected to the first rigid circuit board.
Abstract:
A wiring board structure adapted to carry a heat generating component is provided. The wiring board structure includes a core layer, an active cooler, a dielectric layer and a plurality of conductive vias. The core layer has a cavity penetrating through the core layer. The active cooler includes a cold surface and a hot surface. The active cooler is disposed in the cavity. The dielectric layer covers the core layer and fills a gap between the active cooler and the cavity. The heat-generating component is disposed on an outer surface of the dielectric layer. The conductive vias are disposed in the dielectric layer and connecting the cold surface and the outer surface to connect the heat-generating component and the active cooler. A wiring board structure having an active cooling via is also provided.
Abstract:
A package substrate includes a core layer, a first dielectric layer, a second circuit pattern, a first solder mask and an insulating layer. A first circuit pattern is disposed on a first surface of the core layer. The first dielectric layer covers the first circuit pattern. The second circuit pattern is located on the first dielectric layer and the second circuit pattern includes an interconnection circuit pattern within a chip mounting area. The first solder mask covers a portion of the second circuit pattern outside the chip mounting area. The insulating layer covers the chip mounting area and the interconnection circuit pattern. A plurality of embedded pads are located on an upper surface of the insulating layer.
Abstract:
An embedded electronic device package structure includes a core layer, an electronic device, a first dielectric layer, a second dielectric layer and conductive vias. The core layer has cavity, a first surface and a second surface opposite to the first surface. The electronic device is disposed in the cavity. The first dielectric layer disposed on the first surface is filled in part of the cavity and covers one side of the electronic device. The second dielectric layer disposed on the second surface is filled in the cavity, covers another side of the electronic device and connects the first dielectric layer. The first and the second dielectric layers fully cover the electronic device. The conductive vias are disposed around the surrounding of the electronic device and penetrates through the first and the second dielectric layer and the core layer. The conductive vias respectively connects the first and the second dielectric layer.
Abstract:
An embedded electronic device package structure includes a core layer, an electronic device, a first dielectric layer, a second dielectric layer and conductive vias. The core layer has cavity, a first surface and a second surface opposite to the first surface. The electronic device is disposed in the cavity. The first dielectric layer disposed on the first surface is filled in part of the cavity and covers one side of the electronic device. The second dielectric layer disposed on the second surface is filled in the cavity, covers another side of the electronic device and connects the first dielectric layer. The first and the second dielectric layers fully cover the electronic device. The conductive vias are disposed around the surrounding of the electronic device and penetrates through the first and the second dielectric layer and the core layer. The conductive vias respectively connects the first and the second dielectric layer.
Abstract:
A substrate structure includes an insulation base material and a through hole. The through hole passes through the insulation base material. Besides, the through hole has a first opening, a second opening, and a third opening communicated with one another. The third opening is located between the first opening and the second opening. A first included angle is formed between an inner wall of the first opening and an inner wall of the third opening. A second included angle is formed between an inner wall of the second opening and the inner wall of the third opening. The minimum diameter of the third opening is at the center of the through hole and defines a neck end portion. Diameters of the first opening and the second opening gradually decrease in a direction toward the neck end portion.
Abstract:
A circuit board, a manufacturing method thereof, and an electro-optic apparatus having the circuit board are provided. The circuit board includes a substrate including a first dielectric layer and a first circuit layer disposed thereon, a waveguide layer disposed on a portion of the substrate, a second dielectric layer, a convex structure and a second circuit layer. The second dielectric layer is disposed on the substrate and the waveguide layer. The second dielectric layer has an opening exposing the sidewall of the waveguide layer and a portion of the first circuit layer. The convex structure is disposed on the sidewall of the waveguide layer. The convex structure and the waveguide layer respectively have refractive index n1 and n2, and |n1-n21|n1
Abstract:
A fabricating method of an embedded package structure includes following steps. First and second boards are combined to form an integrated panel. First and second circuit structures are respectively formed on the first and second boards that are then separated. An embedded element is electrically disposed on the first circuit structure. First and second conductive bumps are respectively formed on a conductive circuit substrate and the second circuit structure. First and second semi-cured films are provided; a laminating process is performed to laminate the first circuit structure on the first board, the first and second semi-cured films, the conductive circuit substrate, and the second circuit structure on the second board. The first and second semi-cured films encapsulate the embedded element. The first and second conductive bumps respectively pierce through the first and second semi-cured films and are electrically connected to the first circuit structure and the conductive circuit substrate, respectively.
Abstract:
A circuit board includes a circuit substrate, a first dielectric layer, a first conductive layer, a second conductive layer and a second dielectric layer. The circuit substrate has a first surface and a first circuit layer. The first dielectric layer is disposed on the circuit substrate and covers the first surface and the first circuit layer. The first dielectric layer has a second surface, at least a blind via extending from the second surface to the first circuit layer, and an intaglio pattern. The first conductive layer is disposed in the blind via. The second conductive layer is disposed in the intaglio pattern and the blind via. The second conductive layer is electrically connected to the first circuit layer via the first conductive layer. The second dielectric layer is disposed on the first dielectric layer and covers the second conductive layer and the second surface of the first dielectric layer.
Abstract:
The invention discloses a glass carrier having a protection structure, comprising a glass body and a protection layer. The glass body has a top surface, a bottom surface, and a lateral surface. The protection layer covers the lateral surface of the glass body. The protection layer is a hard material with a stiffness coefficient higher than a stiffness coefficient of the glass body. The invention further discloses a manufacturing method of a glass carrier having a protection structure, comprising the following steps: covering the protection layer around the lateral surface of the glass body, wherein the protection layer is the hard material with the stiffness coefficient higher than the stiffness coefficient of the glass body.