摘要:
A capacitive micromachined ultrasonic transducer (cMUT) device, comprising: a cMUT formed on a semiconductor substrate; a DC high-voltage generation unit that is provided on the semiconductor substrate and that is for generating a DC high-voltage signal to be superposed on a driving signal for the cMUT; a driving signal generation unit that is provided on the semiconductor substrate and that is for generating the driving signal; and a superposition unit that is provided on the semiconductor substrate and that is for branching the DC high-voltage signal output from the DC high-voltage generation unit and for superposing one of the branched DC high-voltage signals on the other of the branched DC high-voltage signals via the driving signal generation unit.
摘要:
Provided is a water absorbing material having a granular core portion and a coating layer portion coating the granular core portion, which does not produce color before use and with which a test result can be determined only after use. In the water absorbing material, the coating layer portion is composed of 90 wt % to 96 wt % of a substrate and 10 wt % to 4 wt % of an excretion test material, the excretion test material contains a porous adsorbent having an adsorbance of 25 wt % or greater and including micropores, and an excretion test indicator adsorbed on the micropores of the porous adsorbent, and the excretion test indicator is added in an amount in the range of 0.015 wt % to 0.10 wt % relative to the total amount of the coating layer portion.
摘要:
An endoscope apparatus includes a transparent member provided at a distal end of an insertion portion of an endoscope, opposed to an image pickup optical system, a transducer attached to an inner surface of the transparent member, a diffraction grating provided on an outer surface of the transparent member, for converting ultrasound vibration from the transducer to a surface acoustic wave Φ that propagates on the outer surface of the transparent member and a conversion section provided in an outer peripheral corner of the transparent member for converting the surface acoustic wave Φ to a bulk wave Φb that scatters into the transparent member.
摘要:
According to one embodiment, a nonvolatile semiconductor memory includes word lines, bit lines, memory cells, a dummy word line, a dummy bit line and dummy cells. The word lines and the bit lines cross. The memory cells are provided for each intersection of the word lines and bit lines. Each memory cell includes a first diode and a resistance change memory element. The dummy word line crosses the bit lines. The dummy bit line crosses the word lines. The dummy cells are provided at each intersection of the dummy word line and the bit lines, and at each intersection of the dummy bit line and the word lines. Each dummy cell includes a second diode.
摘要:
A liquid ejecting head includes a flow channel forming substrate having a pressure generation chamber communicating with a nozzle opening and arranged in parallel along a lateral direction. A piezoelectric element is provided on one surface of the flow channel forming substrate in correspondence to the pressure generation chamber, and has a first electrode, a piezoelectric layer provided on the first electrode and a second electrode provided on the piezoelectric layer. In a direction intersecting with the arrangement direction of the pressure generation chamber, in boundaries between an active section that is a substantial driving section and an inactive section that is not a substantial driving section of the piezoelectric layer of the first electrode, an opening group is provided including at least one opening in the active section and the inactive section.
摘要:
The present invention provides a pneumatic tire having a jointless band obtained by covering a cord having a cord breaking strength of 200 to 600 N and a degree of elongation at a tension of 66 N of 1.0 to 3.5% with a rubber composition for band cord topping comprising a given amount of sulfur, a given amount of a predetermined carbon black, a given amount of at least one compound selected by the group consisting of resorcinol resin, modified resorcinol resin, cresol resin, modified cresol resin, phenol resin and modified phenol resin, and a given amount of at least one compound selected from the group consisting of a partial condensate of hexamethoxymethylolmelamine and a partial condensate of hexamethylolmelaminepentamethylether based on a given amount of a rubber component.
摘要:
A control apparatus for a hybrid vehicle includes an internal combustion engine and a generator motor, a capacitor, and a driving force assisting unit. Further, the control device includes a switching unit that selects an appropriate traveling range from a plurality of traveling ranges including at least a normal traveling range and a charging priority range for preferentially charging the capacitor and switches the range, and a threshold value increasing unit that increases, when the charging priority range is selected by the switching unit, the predetermined determination threshold value as compared to when the normal traveling range is selected by the switching unit.
摘要:
Provided is a construction structure of wall surface having no sealing material and in which a joining portion between building boards is inconspicuous.A construction structure of wall surface includes: a hat joiner; and a building board. The hat joiner has a fixing plate portion and a design portion, and the building board has a design portion extending linearly on a surface. A joint at which the design portion of the hat joiner constitutes a design surface, and a design pattern at which the design portion of the building board constitutes a design surface, are formed in a same direction, by arranging the building board in plurality to left and right, or above and below, of the design portion of the hat joiner. A width of the joint at the design portion of the hat joiner is the same as a width of each of the design portions on the surface of each of the building boards. Alternatively, a color of the design portion of the hat joiner is the same as a color of each of the design portions of each of the building boards.
摘要:
A water absorbing material includes a waste material. The waste material has a content of 20 wt % to 90 wt % to a total weight of the water absorbing material. The waste material is a water absorbing material which is granular and which comprises two or more plastic materials. The water absorbing material has an ignition point of 400° C. or greater, an ash content of 20 wt % or less, a calorific value in a range of 2930 J/g (700 kcal/kg) to 10465 J/g (2500 kcal/kg) in a state after absorbing moisture that has a weight in a range of 1.1 to 1.6 times the total weight, and a carbon dioxide yield in a range of 1700 g/kg to 2500 g/kg.
摘要:
There is provided a piezoelectric device comprising a first electrode, a piezoelectric layer that is formed above the first electrode, a second electrode that is formed above the piezoelectric layer and a coating layer that is formed above the second electrode consisting of tungsten or titanium.