Abstract:
A semiconductor substrate for transmitting a differential pair is provided. The semiconductor substrate includes a substrate body and at least one via. The via has an opening on a surface layer of the substrate body and includes a first conductive element, a second conductive element and a ground element therein. The first conductive element, the second conductive element and the ground element are electrically isolated to one another. The ground element is electrically connected to a ground layer of the substrate body. The first conductive element and the second conductive element pass through the ground layer of the substrate body and are electrically isolated with the ground layer of the substrate body. The first conductive element is used for transmitting a positive differential signal and the second conductive element is used for transmitting a negative differential signal.
Abstract:
The invention relates to a microelectromechanical microphone packaging system. The microelectromechanical microphone packaging system comprises a substrate, a chip, a microelectromechanical microphone, a conductive glue, a non-conductive glue and a cover. The substrate has a first surface. The chip is mounted on the first surface of the substrate. The microelectromechanical microphone is mounted on the first surface of the substrate, and electrically connected to the chip. The chip is enclosed by the non-conductive glue. The non-conductive glue is enclosed by the conductive glue. The cover is mounted on the first surface of the substrate to form a containing space, and has an acoustic aperture. The microelectromechanical microphone packaging system utilizes the conductive glue enclosing the chip and the non-conductive glue to shield interference from outside noise and obtain a shielding effect. In addition, the cover does not need to be made of metal material.
Abstract:
A circuit board with reduced simultaneous switching noise. The circuit board comprises a first conductor plane with a first fixed potential, a dielectric layer, at least a build-up via and a second conductor plane with a second fixed potential. The dielectric layer is formed on the first conductor plane. The build-up vias are formed in the dielectric layer and filled with a conductive material. The second conductor plane is in contact with the conductive material in the build-up vias. The depth of the build-up vias is less than one fourth of a signal wavelength.
Abstract:
An integrated capacitor on a packaging substrate. The integrated capacitor comprises a conductor plane, a first dielectric layer and a signal transmission layer. The conductor plane has an extrusion layer of a first thickness. The first extrusion layer and the conductor plane are made of the same material. The first dielectric layer is formed on the conductor plane. The signal transmission layer is formed on the first dielectric layer.
Abstract:
A semiconductor package structure includes a substrate, a semiconductor die, a plurality of wires, and a molding compound. In this case, the semiconductor die is attached to the substrate. Each of the wires respectively has a center conductive layer, a dielectric layer, and a metal layer. Each of the center conductive layers connects the semiconductor die to the substrate. Each of the dielectric layers covers each of the center conductive layers, and the metal layers cover the dielectric layers. The molding compound encapsulates the semiconductor die and the wires. This invention also provides another semiconductor package structure, including a substrate, a semiconductor die, a plurality of wires, and a conductive molding compound. Each of the wires respectively has a center conductive layer and a dielectric layer. The conductive molding compound is made of a conductive material. Furthermore, the invention also provides a method for manufacturing the semiconductor package structure.
Abstract:
An inductor and capacitor implemented with build-up vias. The inductor and capacitor comprise a conductor plane, a dielectric layer, an inductor/capacitor inducing build-up via and a conductor layer. There is a conducting material in the inductor/capacitor inducing build-up via and a fist end thereof is in contact with the conductor plane. The length of the inductor inducing build-up via is larger than one fourth of a signal wavelength while the length of the conductor inducing build-up via is smaller than one fourth of a signal wavelength.
Abstract:
An impedance standard substrate for calibrating a vector network analyzer includes a first surface and a second surface opposite to the first surface. A thru-circuit has two contacts electrically connected to each other. The two contacts are disposed on the first surface and the second surface, respectively. The impedance standard substrate further includes a pair of open-circuits, a pair of short-circuits, and a pair of load-circuits disposed on the first surface and the second surface, respectively.
Abstract:
The invention relates to a microelectromechanical microphone packaging system. The microelectromechanical microphone packaging system comprises a substrate, a chip, a microelectromechanical microphone, a conductive glue, a non-conductive glue and a cover. The substrate has a first surface. The chip is mounted on the first surface of the substrate. The microelectromechanical microphone is mounted on the first surface of the substrate, and electrically connected to the chip. The chip is enclosed by the non-conductive glue. The non-conductive glue is enclosed by the conductive glue. The cover is mounted on the first surface of the substrate to form a containing space, and has an acoustic aperture. The microelectromechanical microphone packaging system utilizes the conductive glue enclosing the chip and the non-conductive glue to shield interference from outside noise and obtain a shielding effect. In addition, the cover does not need to be made of metal material.
Abstract:
A stacked LC resonator includes a parallel-plate capacitor, a dielectric layer and a spiral inductor. The parallel-plate capacitor has a first metal layer, a second metal layer opposed to the first metal layer and a middle dielectric layer formed between the first and second metal layers. The dielectric layer is formed on the second metal layer of the parallel-plate capacitor. The spiral inductor is formed on the dielectric layer and electrically connected with the first and second metal layers of the parallel-plate capacitor.
Abstract:
An inductor and capacitor implemented with build-up vias. The inductor and capacitor comprise a conductor plane, a dielectric layer, an inductor/capacitor inducing build-up via and a conductor layer. There is a conducting material in the inductor/capacitor inducing build-up via and a fist end thereof is in contact with the conductor plane. The length of the inductor inducing build-up via is larger than one fourth of a signal wavelength while the length of the conductor inducing build-up via is smaller than one fourth of a signal wavelength.