Abstract:
A technique for enhancing circuit density and performance is disclosed. In one particular exemplary embodiment, the technique may be realized as a method for enhancing circuit density and performance of a microelectronic module. The method may comprise forming a discrete package, wherein the discrete package comprises one or more passive devices that are desirable for the performance of the microelectronic module. The method may also comprise coupling the discrete package to the microelectronic module.
Abstract:
Provided are a chip network resistor contacting a printed circuit board (PCB) through solder balls and a semiconductor module having the chip network resistor. The chip network resistor includes: a body formed of an insulating material; a resistor formed on the body; external electrodes connected to the resistor and disposed on a lower surface of the body so as to have solder ball pad shapes; and conductive balls adhered on the external electrodes.
Abstract:
A wiring board comprising: a board core (11) having a core main surface (12) and a core reverse surface (13); a capacitor (101, 101A, 101B, 101C, 101D, 101E, 101F, 101G, 101H, 101J, 1101, 1101′, 1101″, 1101′″, 1101″″, 1101′″″) having a capacitor main surface (102) and a capacitor reverse surface (103) and having a structure in which first inner electrode layers (141) and second inner electrode layers (142) are alternately laminated and arranged via a dielectric layer (105), the capacitor (101, 101A, 101B, 101C, 101D, 101E, 101F, 101G, 101H, 101J, 1101, 1101′, 1101″, 1101′″, 1101″″, 1101′″″) being accommodated in the board core (11) in a state in which the core main surface (12) and the capacitor main surface (102) are oriented on a same side; and a wiring laminated portion (31) having a structure in which interlayer insulating layers (33, 35) and conductor layers (42) are alternately laminated on the core main surface (12) and the capacitor main surface (102), wherein an inductor (251, 252, 253) or a resistor (301, 302, 311, 312, 321, 322) is formed on or in the capacitor (101, 101A, 101B, 101C, 101D, 101E, 101F, 101G, 101H, 101J, 1101, 1101′, 1101″, 1101′″, 1101″″, 1101′″″).
Abstract:
An amplifier, in particular for RF-applications, comprises a circuit board (2), at least one amplifier stage with at least one transistor package (8) arranged on the circuit board (2), and a feedback path (12) around the at least one transistor package (8), said feedback path (12) comprising a feedback element (15) with at least one capactive (C) element for blocking the flow of direct current through the feedback path (12) and preferably further comprising at least one inductive (L) and/or resistive element (R). In order to reduce negative effects on the performance of the amplifier due to long printed feedback lines, the feedback path (12) in an amplifier according to the invention is formed of a feedback bridge (9) comprising two feedback lines (13, 14) extending out of the plane of the circuit board (2) from two contact flags (10, 11) of the transistor package (8), and the feedback element (15) bridging over the transistor package (8) between the two feedback lines (13, 14).
Abstract:
A surface mounting chip network component in which a network having three or more odd number of terminals are formed on the surface of an insulating substrate and Tomb Stone Phenomenon is suppressed. Even number of network circuits are formed on the surface of the insulating substrate (2) and the same number of terminals (1) are arranged, respectively, on the opposite sides of the insulating substrate (2). Alternatively, even number of network circuits are formed on the surface of the insulating substrate (2) and the terminals (1) are arranged on the side edges of the insulating substrate (2) point-symmetrically with respect to the center of the surface of the insulating substrate (2).
Abstract:
A technique for enhancing circuit density and performance is disclosed. In one particular exemplary embodiment, the technique may be realized as a method for enhancing circuit density and performance of a microelectronic module. The method may comprise forming a discrete package, wherein the discrete package comprises one or more passive devices that are desirable for the performance of the microelectronic module. The method may also comprise coupling the discrete package to the microelectronic module.
Abstract:
A fixed resistor network has an insulating substrate, a plurality of film resistors arranged on a top surface of the insulating substrate, terminal electrodes formed for the film resistors on each lengthwise sidewall of the insulating substrate at a given pitch along the sidewall, and recesses provided between the terminal electrodes. The occurrence of solder bridges between the terminal electrodes during solder mounting and the occurrence of chipping in the terminal-electrode-forming areas between the recesses on the lengthwise sidewall are both reduced by making the width of the recesses along the lengthwise sidewall either 0.44 to 0.48 times or 0.525 to 0.625 times the pitch.
Abstract:
A ball grid array package that can be readily tested before or after mounting to a printed circuit board. The ball grid array includes a substrate having a top surface and a bottom surface. Several conductive pads are located on the top surface. Several passive circuit elements are located on the top surface between the conductive pads. An insulative coating is placed on top of the passive circuit elements and the substrate. The insulative coating has openings over the conductive pads. The openings are adapted to be accessible by an electrical probe. Conductive vias extend through the substrate between the top and bottom surfaces. The vias electrically connect with the conductive pad on the top surface. Several conductive balls are located on the bottom surface. Each conductive ball is electrically connected to one of the vias.
Abstract:
A multilayered LC composite component includes a main body having a pair of side surfaces, a pair of end surfaces, and an upper surface and a lower surface. Ground-side terminal electrodes are disposed at the center of the side surfaces and hot-side terminal electrodes are disposed along edges of the side surfaces. Each of the hot-side terminal electrodes includes an end surface extended portion extending to each of the end surfaces. The end-surface extended portion is arranged so that at least the approximate center of each of the end surfaces is exposed.
Abstract:
Three or more, or two or more types of electronic components are formed on one substrate, and these electronic components form an aggregated planar surface on a surface of the substrate.