Abstract:
A method of forming a device associated with a via includes forming an opening or via, and forming at least a pair of conducting paths within the via. Also disclosed is a via having at pair of conducting paths therein.
Abstract:
The present disclosure is directed to a ceramic substrate that includes a plurality of contact pads, a plurality of electrical traces, and a microelectromechanical die. Contacts on the die are coupled to the plurality of contact pads through the plurality of electrical traces. The substrate also includes a plurality of memory bits formed directly on the substrate. Each memory bit is coupled between a first one of the contact pads and a second one of the contact pads.
Abstract:
A fanout line structure of an array substrate includes first fanout lines arranged on a fanout area of the array substrate, and second fanout lines arranged on the fanout area of the array substrate. A second conducting film is arranged at a bottom of the second fanout line, a second capacitor is formed between the second conducting film and a first conducting film of the second fanout line, the second capacitor is used to reduce an impedance difference between the fanout lines. Capacitance value of the second capacitor is dependent on an overlapping area between the second conducting film and the first conducting film.
Abstract:
A multilayer printed wiring board including a layered capacitor section provided on a first interlayer resin insulation layer and a high dielectric layer and first and second layered electrodes that sandwich the high dielectric layer. A second interlayer resin insulation layer is provided on the first insulation layer and the capacitor section, and a metal thin-film layer is provided over the capacitor section and on the second insulation layer. An outermost interlayer resin insulation layer is provided on the second insulation layer and the metal thin-film layer. A mounting section is provided on the outermost insulation layer and has first and second external terminals to mount a semiconductor element. Multiple via conductors penetrate each insulation layer. The via conductors include first via conductors that electrically connect the first layered electrode to the first external terminals. Second via conductors electrically connect the second layered electrode to the second external terminals.
Abstract:
A power management module, provides an inductor including one or more electrical conductors disposed around a ferromagnetic ceramic element including one or more metal oxides having fluctuations in metal-oxide compositional uniformity less than or equal to 1.50 mol % throughout the ceramic element.
Abstract:
A method for forming an embedded passive device module comprises depositing a first amount of an alkali silicate material, co-depositing an amount of embedded passive device material with the amount of alkali silicate material; and thermally processing the amount of alkali silicate material and the amount of embedded passive device material at a temperature sufficient to cure the amount of alkali silicate material and the amount of embedded passive device material and form a substantially moisture free substrate.
Abstract:
A manufacturing method of a multilayer wiring board that includes a core board, a wiring layer, and an electrically insulating layer that are stacked on the core board. The manufacturing method forms a plurality of through holes in a core member, a thermal expansion coefficient of the core board being between 2 to 20 ppm, and the core member selected from silicon, ceramics, glass, a glass-epoxy composite, and metal. The through holes are made conductive by a conductive material, to electrically connect between the front and the back of the core board. A wiring layer and an electrically insulating layer are stacked on one surface of the core board to form a multilayer wiring layer. A capacitor is formed on the other surface of the core board.
Abstract:
A method for manufacturing a printed-circuit board including: a capacitive element forming step of embedding a capacitive element in a substrate resin layer inside a substrate that includes a plurality of wiring layers laminated with the substrate resin layer interposed in between, the capacitive element forming step including forming a lower electrode using a conductive layer on one of the plurality of wiring layers, or using one of the plurality of wiring layers; forming a crystalline metal oxide-containing capacitor dielectric film at a temperature at or below a heat-resistant temperature of the substrate resin layer, and at or above room temperature; and forming an upper electrode on an upper surface of the capacitor dielectric film on the side opposite to the lower electrode.
Abstract:
A method of fabricating a printed circuit board having capacitance components, including: providing a core board having first and second surfaces with first and second wiring layers provided thereon, respectively, and electrically connected, a second dielectric layer, and a carrier board sequentially provided thereon with a second metal layer, a high dielectric material layer, and a third wiring layer with a plurality of first electrode plates thereon; laminating the core board, second dielectric layer, and carrier board to one another; removing the carrier board so as to expose the second metal layer; and patterning the second metal layer so as to form a fifth wiring layer having a plurality of second electrode plates and a plurality of second conductive vias electrically connected to the third wiring layer, thereby allowing the first electrode plates, high dielectric material layer, and second electrode plates together to form a plurality of capacitance components.
Abstract:
A package substrate having embedded capacitor is provided. The package substrate includes a core circuit board, at least one dielectric layer, at least one embedded capacitor, and at least one metal layer. The core circuit board has at least one wiring layer, and the core circuit board has at least one conductive through hole connected to the wiring layer. At least one dielectric layer covers the wiring layer, and the dielectric layer has at least one conductive through hole. At least one embedded capacitor is embedded in the dielectric layer. At least one metal layer covers the dielectric layer and connected to the embedded capacitor, wherein the metal layer is connected to the wiring layer through the conductive through hole.