摘要:
A method includes (a) preparing a substrate, and (b) growing a ZnO-containing compound semiconductor layer above the substrate by supplying at the same time at least Zn and O as source gases and S as a surfactant.
摘要:
A centrifugal pump includes a diffuser section for decreasing a velocity of the fluid discharged from an impeller, a return vane for leading the fluid which has passed through the diffuser section to a discharge side, and a main plate to which the diffuser section and the return vane are fixed.
摘要:
A ZnO-containing semiconductor layer, doped with Se, has an emission peak wavelength in visual light and has a band gap equivalent to a band gap of ZnO.
摘要:
A ZnO based semiconductor light emitting device includes: a first semiconductor layer containing ZnO1-x1Sx1; a second semiconductor layer formed above the first semiconductor layer and containing ZnO1-x2Sx2; and a third semiconductor layer formed above the second semiconductor layer and containing ZnO1-x3Sx3, wherein an S composition x1 of the first semiconductor layer, an S composition x2 of the second semiconductor layer and an S composition x3 of the third semiconductor layer are so selected that an energy of the second semiconductor layer at the lower end of a conduction band becomes lower than both energies of the first and third semiconductor layers at the lower end of the conduction bands, and that an energy of the second semiconductor layer at the upper end of a valence band becomes higher than both energies of the first and third semiconductor layers at the upper end of the valence bands.
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:
The electromagnetic spool valve of the present invention includes a movable linear solenoid section, first and second spools that are coaxially provided in inner space of a valve body so as to switch a state of communication and discommunication among plural ports of the electromagnetic spool valve, a first spring member provided between the first and second spools, and a second spring member provided between a cap member and the second spool. The spring load of the second spring member is set to be greater than the spring load of the first spring member.
摘要:
An image-sorting apparatus includes a feeding unit to feed printed sheets sequentially carried in from an external print unit, in which an electronic watermark is added to an important printed sheet. Particularly, the image-sorting apparatus includes a read unit to read the electronic watermark from the printed sheet fed by the feeding unit, and a control unit to control the feeding unit to feed the printed sheets to one of a first and a second transfer position based on a read result of the electronic watermark.
摘要:
Disclosed is a manufacturing method of an Nb3Sn superconductive wire using a powder technique, the method including the steps of: filling, as a raw powder, an intermetallic compound powder obtained from a metallic powder containing at least one metallic powder selected from Ta powder and Nb powder, and Sn powder, or a mixture of the metallic powder and the Sn powder into a sheath made of Nb or an Nb based alloy; performing a diameter-reduction process on the sheath to form a wire; heat treating the wire; and, forming a superconductive layer on the interface between the sheath and the powder, wherein at least one of the metallic powders selected from the Ta powder and the Nb powder is obtained by aggregating fine particles (primary) in shape of coral to form secondary particles.