摘要:
A pneumatic tire having a tread reinforcement layer constituted by a steel cord strip layer adjacent the carcass and an aromatic polyamide cord strip layer superposed to the steel cord strip layer in a parallel side-by-side relationship. The aromatic polyamide cord strip layer is folded at its both edges toward the center, in such a manner that the folded portions contact the main portion in a parallel side-by-side relationship. The main portion has a width ranging between 100 and 110% of the width of the tread surface, while the width of each folded portion ranges between 27.5 and 35% of the width of main portion. Furthermore, the free edge of each folded portion is located at a distance from the center of the outermost circumferential groove in the tread surface, which distance being between 25 and 75% of the distance between the outermost groove and the adjacent groove.
摘要:
A liquid discharge head includes nozzles, a channel plate, a diaphragm member, a supporting substrate, a common liquid chamber forming substrate, a common liquid chamber, a groove, and a fluid restrictor. The supporting substrate is disposed at a side opposite the channel plate, with the diaphragm member interposed in between. The common liquid chamber forming substrate is disposed at a side opposite the diaphragm member, with the supporting substrate interposed in between. The common liquid chamber is communicated with individual liquid chambers. The groove is formed in an in-plane direction of a bonded face of the supporting substrate bonded to the diaphragm member. The fluid restrictor is disposed between the common liquid chamber and the individual liquid chambers. The fluid restrictor is formed between the groove of the supporting substrate and a bonded face of the diaphragm member bonded to the supporting substrate.
摘要:
According to a power semiconductor device of the present invention, it comprises a plurality of lead frames formed into like a wiring pattern, a power semiconductor element joined onto the lead frame, and a capacitor placed between mutually adjacent two lead frames, and is encapsulated with a mold resin. The capacitor is characterized in that external electrodes of that capacitor are connected to the lead frames each through a stress-relaxation structure portion that is lower in rigidity than the capacitor.
摘要:
Pairs of distributed feedback (DFB) lasers are provided on a substrate. An arrayed waveguide grating (AWG) is also provided on the substrate having input waveguides, each of which being connected to a corresponding pair of DFB lasers. The wavelengths of optical signals supplied from each pair of DFB lasers may be spectrally spaced from one another by a free spectral range (FSR) of the AWG. By selecting either a first or second DFB laser in a pair and temperature tuning to adjust the wavelength, each pair of DFB lasers can supply optical signals at one of four wavelengths, pairs of which are spectrally spaced from one another by the FSR of the AWG. A widely tunable transmitter may thus be obtained.
摘要:
A manufacture work machine for performing a manufacture work, including a plurality of work-element performing apparatuses each configured to perform one of a plurality of work elements that constitute the manufacture work, wherein the plurality of work-element performing apparatuses include a plurality of work head devices and wherein the plurality of work head devices include a first work head device and a second work head device which are mutually different in kind of a work to be performed.
摘要:
A method provides acceptable performance from a semiconductor transmitter photonic integrated circuit (TxPIC) that contains a plurality of modulated sources each comprising a laser source and an external modulator where each laser source provides a different emission wavelength and each modulated source forms a separate signal channel, comprising the steps of providing at least some of the signal channels with an extended identical active layer (EIAL) so that the modulated sources each have an identical active region wavelength and detuning the laser emission wavelength in each laser source within the EIAL from the laser active region wavelength.
摘要:
A droplet discharging head includes a passage substrate in which individual liquid chambers are formed; a plurality of piezoelectric elements formed on the passage substrate; a plurality of wirings for connecting electrodes of the plurality of piezoelectric elements and drive circuit connecting portions for being connected to a drive circuit, respectively, formed on the passage substrate; and a support substrate, formed on the passage substrate, provided with a concave portion for housing the plurality of piezoelectric elements at a surface facing the passage substrate, the support substrate being provided with an opening portion above the drive circuit connecting portions, wherein the support substrate is adhered to the passage substrate at a support substrate adhering region of the passage substrate including area where the wirings are formed, and wherein a wiring space between each adjacent wirings is formed to have a crank portion at the support substrate adhering region.
摘要:
Provided is a rotary electric machine including housings, a stator, a rotor, bearings, a slip ring, a power assembly, a control assembly, a rotation sensor, and a brush holder, in which a switching element mounting surface of the power assembly and a surface of the control assembly, on which a control element of a control circuit is mounted, are placed in parallel to a rotation shaft, and the rotation sensor is placed between the rear bearing and the slip ring.
摘要:
Provided is a semiconductor device including: a first MOS-FET (21) joined to a first base plate (11) via solder (61); a second MOS-FET (22) joined to a second base plate (12) via solder (64); a first lead (31) joining the first base plate (11) and the second MOS-FET (22); and a second lead (32) joining the second MOS-FET (22) and a current path member (13) that gives and receives current flowing through the MOS-FETs (21, 22) to and from the outside. The second base plate (12) is more rigid than both the leads (31, 32), a boundary line (D-D) intersects the second base plate (12) without intersecting both the leads (31, 32), the boundary line including a gap portion (52) along which both the MOS-FETs (21, 22) are opposed to each other, extending in the direction in which both the MOS-FETs (21, 22) are not opposed to each other.
摘要:
The invention is to provide a semiconductor apparatus configured to position a semiconductor device reliably and easily without having a protruding portion formed in the bottom surface of the semiconductor device in the semiconductor apparatus. A semiconductor apparatus is fabricated by attaching a semiconductor device of a surface mount package type and a wiring member to a heat sink. A fitting portion in which the semiconductor device is fit is provided to the wiring member, so that the semiconductor device is positioned by fitting the semiconductor device into the fitting portion provided to the wiring member. According to the semiconductor apparatus of the invention, it becomes possible to position the semiconductor device at a high degree of accuracy.