摘要:
A semiconductor device includes a substrate provided with a plurality of leads, a face-down semiconductor element provided on one surface of the substrate, a first stacked semiconductor element and a second stacked semiconductor element provided on another surface of the substrate and connected to the substrate by wires, and an extended wiring mechanism for connecting electrodes of the face-down semiconductor element and electrodes of the first and second semiconductor elements. The connected electrodes are equi-electrodes whose electrical characteristics are equal.
摘要:
A substrate of a semiconductor device has a first surface on which a semiconductor element is fixed and a second surface opposite to the first surface. An adhesive is provided between the semiconductor element and the first surface of the substrate. At least one though hole is formed which extends between the first surface and the second surface of the substrate. A pattern member is formed on the first surface of the substrate so as to cover a part of an opening of the through hole.
摘要:
A semiconductor device and a method of producing the same, the device including a semiconductor chip; balls which function as external connecting terminals; a substrate which electrically connects the semiconductor chip and the balls; a mold resin which seals at least a part of the semiconductor chip; and a connecting portion sealing resin which seals the connecting portion between the substrate and the semiconductor chip. The semiconductor device is mounted onto a printed circuit board via the balls. The thermal expansion coefficient of the mold resin is matched with the thermal expansion coefficient of the printed circuit board. A side surface holding portion for the holding the side surfaces of the semiconductor chip is formed in the mold resin to restrict thermal deformation of the semiconductor chip.
摘要:
A method of attaching a wafer by suction, includes a step of mounting a wafer on a right arm and a left arm of a transfer jig, moving the transfer jig toward a wafer suction stage in such a manner that a facing right arm surface of the right arm slides along and in contact with a first side surface of the wafer suction stage and a facing left arm surface of the left arm slides along and in contact with a second side surface of the wafer suction stage until the wafer comes to lie directly above a mounting surface of the wafer suction stage, mounting the wafer on the mounting surface by moving the transfer jig downward toward the wafer suction stage while maintaining the contacts, and attaching the wafer to the mounting surface by suction.
摘要:
A novel particulate composite hydrotalcite which offers antacidic effect comparable to that of a particulate hydrotalcite so far used as a gastric antacid and, further, offers excellent stomach inner wall protection effect. A particulate composite hydrotalcite represented by the following formula (1), (MgaZnb)1-xAlx(OH)2(An−)x/n.mH2O (1) wherein An− is CO32−, SO42− or Cl−, n is 1 or 2, and x, a, b and m are values that satisfy the following conditions, 0.18≦x≦0.4, 0.5≦a
摘要翻译:一种新型的复合水滑石颗粒,其提供与目前用作胃酸解的颗粒状水滑石相当的抗酸作用,并且还提供优异的胃内壁保护作用。 由下式(1),(MgaZnb)1-xAlx(OH)2(An-)x / n.mH2O(1)表示的颗粒状复合水滑石,其中An-为CO32-,SO42-或Cl-,n为 1或2,x,a,b和m是满足以下条件的值:0.18&nlE; x&nlE; 0.4,0.5&amp; nlE; a <1,0 n; 0.5,0&amp; nlE; m <1, 使用颗粒状复合水滑石作为有效成分。 当用作胃酸抗酸剂时,复合水滑石颗粒可抑制肠胃粘膜的损伤。
摘要:
A built-in capacitor type power feed device for an electrical component which solves the problems of the reduction in the noise margin of the power supply system accompanying the lower drive voltages of electrical components and the noise between the power supply and ground accompanying simultaneous switching waveforms, provided with a power supply for supplying power, a printed circuit board including a signal line pattern, a power bar having conductive projections provided in shapes and at positions corresponding to the shapes and positions of electrodes of the electrical component and provided outside of the printed circuit board, a ground bar provided outside of the printed circuit board, and a high dielectric layer provided at a part corresponding to the electrical component between the power bar and the ground bar, power from the power supply being fed to electrodes of the electrical component through the power bar and the ground bar.
摘要:
A semiconductor device is disclosed that performs fingerprint recognition on the electrostatic-capacity principle. A finger sweeping across a fingerprint recognition area of a semiconductor chip provides positive fingerprint recognition operations with improved reliability.The semiconductor device includes the semiconductor chip having a sensor unit that performs fingerprint recognition, and a substrate having an opening formed in the position corresponding to the sensor unit. The semiconductor chip is flip chip bonded to the substrate such that the sensor unit corresponds to the opening, and except for the formed position of the opening, an under-fill material is provided between the semiconductor chip and the substrate.
摘要:
An antibacterial agent composed of silver-containing aluminum sulfate hydroxide particles represented by the following formula (X-I) or (Y-I). (AgaBb-a)bAlcAx(SO4)y(OH)z.pH2O (X-I) [AgaBb-a]b[Ti3-cAlc](SO4)y(OH)z.pH2O (Y-I) The above antibacterial agent of the present invention provides antibacterial molded articles and further antifungal agents, cosmetics, antibacterial paper, antibacterial deodorizing sprays and agricultural chemicals when it is mixed with a resin.
摘要:
In a system for serving a remote office by Web applications provided by a server, higher communication bandwidth is dynamically allocated to applications that require rapid execution by utilizing idle bandwidth. The server may have a priority management table for managing priorities for data transmission, a user management table for managing the number of users of each Web application, and an application executing section for allocating bandwidth on the basis of the priorities and the number of users of each of the Web applications.
摘要:
A capacitor sheet comprises a plurality of first capacitor blocks connecting signal/power supply electrodes of two circuit boards with through-hole electrodes, and having grounding electrodes sandwiching dielectrics around the through-hole electrodes, and a plurality of second capacitor blocks connecting the grounding electrodes in two circuit boards with the through-hole electrodes, and having the grounding electrodes sandwiching the dielectrics around the through-hole electrodes, wherein the through-hole electrodes and the grounding electrodes are connected with pattern wirings. The capacitor blocks are arranged so that the grounding electrodes in the first capacitor blocks are electrically connected to the grounding electrodes of the second capacitor blocks to be combined to a single piece.