摘要:
Provided is a liquid-crystalline polyester with good properties obtainable by subjecting a prepolymer consisting of the repeating units represented by formulae (I), (II), (III) and (IV): to heat treatment in a substantially solid state.
摘要:
In a data processing system in which data to be processed is managed as processing-object data, and the processing-object data is processed in response to a designation, there are provided: data management means for managing the processing-object data together with processing-object attribute information indicative of an attribute thereof; processing designation means for designating a processing with respect to the processing-object data through a dialog performed with the user; processing execution means for executing a processing of the processing-object data in response to a designation performed by the processing designation means; and first processing result forecasting means for executing, when the dialog is performed, a forecast on a result of the processing by comparing processing-subject attribute information, which indicates an attribute of a processing to be executed by the processing execution means, with the processing-object attribute information, and for outputting to the user forecast notification information in accordance with the result of the processing obtained through the forecast.
摘要:
A vibration absorbing clamp for holding elongated members has an anchor and a holder that are coupled to one another through vibration absorbing material and cooperable coupling members embedded in the vibration absorbing material. The coupling members are free of direct contact with one another but serve to limit relative movement between the holder and the anchor. The clamp can be manufactured in a two-stage molding process in which the holder and the anchor, with the coupling members, are first molded of hard plastic, and then the vibration absorbing material is molded into a space between the holder and the anchor so as to embed the coupling members.
摘要:
An electronic parts packaging structure of the present invention includes a core substrate having such a structure that a recess portion is provided by forming a prepreg insulating layer having an opening portion therein on a resin layer, and an electronic parts mounted on a bottom portion of the recess portion of the core substrate such that a connection pad of the electronic parts is directed upward, and also, such a structure may be employed that the electronic parts is embedded in a resin layer of a core substrate having a structure that the resin layer is formed on the prepreg insulating layer.
摘要:
A clip for attaching a second member such as an insulator to a first member such as a car body, includes a first clip component attached to the first member and a second clip component working with the first clip component to support the second member. The first clip component has a flange for contacting the first member, a leg extending from the flange for insertion into a mounting hole in the first member, and a shank extending from the flange in a direction opposite to the leg for engaging the second clip component. The second clip component has a flange for contacting the second member, a tube for receiving the shank, and pawls inside the tube. The end of the shank has a portion for engaging the pawls to clamp the second member between the flanges.
摘要:
A manufacture method that can manufacture ZnO based compound semiconductor crystal of good quality. A ZnO substrate is prepared to have a principal surface made of a plurality of terraces of (0001) planes arranged stepwise along an m-axis direction, the envelop of the principal surface being inclined relative to the (0001) plane by about 2 degrees or less. ZnO based compound semiconductor crystal is grown on the principal surface.
摘要:
A manufacture method for zinc oxide (ZnO) based semiconductor crystal includes providing a substrate having a Zn polarity plane; and reacting at least zinc (Zn) and oxygen (O) on the Zn polarity plane of said substrate to grow ZnO based semiconductor crystal on the Zn polarity plane of said substrate in a Zn rich condition. (a) An n-type ZnO buffer layer is formed on a Zn polarity plane of a substrate. (b) An n-type ZnO layer is formed on the surface of the n-type ZnO buffer layer. (c) An n-type ZnMgO layer is formed on the surface of the n-type ZnO layer. (d) A ZnO/ZnMgO quantum well layer is formed on the surface of the n-type ZnMgO layer, by alternately laminating a ZnO layer and a ZnMgO layer. @(e) A p-type ZnMgO layer is formed on the surface of the ZnO/ZnMgO quantum well layer. (f) A p-type ZnO layer is formed on the surface of the p-type ZnMgO layer. @(g) An electrode is formed on the n-type ZnO layer and p-type ZnO layer. The n-type ZnO layer is formed under a Zn rich condition at the step (b).
摘要:
The method for forming wiring includes: laminating a thermosetting resin film in a semi-cured state and a metallic foil in this order on an insulating substrate where base-layer wiring is formed, a mat surface of the metallic foil facing the resin film, pressing the film and the foil with application of heat; forming an opening in the metallic foil so as to expose a part of the insulating resin layer in which a via hole is to be formed; forming the via hole in the insulating resin layer by irradiating high-energy beams on to insulating resin layer by using as a mask the metallic foil in which the opening is formed; performing a desmear process of the via hole via the opening of the metallic foil; removing the metallic foil by etching; forming an electroless-plated layer that continuously covers the top surface of the insulating resin layer, a side surface of the via hole and a top surface of the base-layer wiring corresponding to the bottom of the via hole; and forming wiring including an electroplated layer on the electroless-plated layer by a semi-additive process.
摘要:
A growth apparatus and a method for making a nitrogen (N)-doped oxide crystal grow can be configured to set a nitrogen concentration to a desired concentration and to make the concentration of nitrogen uniform in a depth direction. A nitrogen source gun configured to supply ammonia (NH3) gas into an ultrahigh vacuum chamber can be arranged on a side of an ultrahigh vacuum chamber that is approximately opposite to a side that includes an exhaust port. A stage can be located between the nitrogen source gun and the exhaust port so as to form a flow path for ammonia that allows ammonia introduced into the ultrahigh vacuum chamber to be quickly exhausted after reaching a ZnO substrate placed on the stage. As a result, accumulation of ammonia in the ultrahigh vacuum chamber can be minimized, so that the nitrogen concentration in a crystal growth layer on the ZnO substrate can be set at a desired concentration and can be made uniform in the depth direction.