摘要:
A method is provided for manufacturing a multilayer-type chip inductor having a small DC resistance without decreasing the inductance or the impedance. The method of manufacturing a multilayer-type chip inductor includes the steps of: preparing a ceramic green sheet; forming an electrode film on one surface of the green sheet; multilayering a plurality of the green sheets in such a way that the surfaces on which electrode films are formed face each other for pairs of the green sheets; contact-bonding the green sheets; and sintering the green sheets.
摘要:
An object of the present invention is to provide novel liquid crystalline compounds having a negative and extremely large dielectric anisotropy value and a small optical anisotropy value together, to provide liquid crystal compositions comprising the liquid crystalline compound, and to provide liquid crystal display devices fabricated by using the liquid crystal composition; the liquid crystalline compounds have 2,3-difluorophenyl moiety and are expressed by the general formula (1) wherein Ra and Rb each independently represent a straight chain or branched alkyl group having 1 to 10 carbon atoms in which group any methylene group may be replaced by —O—, —CH═CH—, or —C≡C—, but there is not a case wherein —O— continues; ring A1 represents cyclohexane-1,4-diyl not adjacent any methylene group may be replaced by —O—; ring A2 represents 2,3-difluoro-1,4-phenylene in which phenylene hydrogen atoms at 5-position and 6-position may each independently be replaced by fluorine atoms; Z1 and Z2 each independently represent single bond or —CH2CH2—; Xa, Xb, Xc, and Xd each independently represent hydrogen atom, fluorine atom, or chlorine atom, but at least one of Xa, Xb, Xc, and Xd is fluorine atom or chlorine atom and any atom which constitutes the compound may be replaced by its isotope.
摘要:
A method is provided for manufacturing a multilayer-type chip inductor having a small DC resistance without decreasing the inductance or the impedance. The method of manufacturing a multilayer-type chip inductor includes the steps of: preparing a ceramic green sheet; forming an electrode film on one surface of the green sheet; multilayering a plurality of the green sheets in such a way that the surfaces on which electrode films are formed face each other for pairs of the green sheets; contact-bonding the green sheets; and sintering the green sheets.
摘要:
A disk drive is provided which uses a disk cartridge having an inner case for holding an optical disk; an outer case for accommodating the inner case, having an opening allowing the inner case to come in and out; a locking mechanism for locking the inner case in the outer case, provided in a vicinity of the opening; and a coupling mechanism for coupling the disk cartridge with another disk cartridge. The disk drive includes a mechanism for pulling out the inner case to a pulled-out position from the outer case by more than a half of the inner case but not by entirety thereof; a mechanism for holding the inner case at the pulled-out position and rotating the optical disk; and a mechanism for reading/writing data on the optical disk.
摘要:
There are herein disclosed a fluorovinyl derivative compound represented by the general formula (1) and having characteristics of a liquid crystal, a liquid crystal composition, and a liquid crystal display device formed by using this composition: wherein R1 is an alkyl group having 1 to 18 carbon atoms, and a methylene group in the alkyl group may be substituted by an oxygen atom, a sulfur atom, —CH═CH— or —C≡C— and a hydrogen atom in the alkyl group may be substituted a halogen atom or a cyano group; rings A, B and C are each 1,4-cyclohexylene, 1,4-phenylene or the like in which a hydrogen atom in the ring may be substituted by a halogen atom; Z1, Z2 and Z3 are each a single bond, —CH2CH2—, —CH═CH—, —C≡C—, —CH2O—, —OCH2—, —(CH2)4—, —(CH2)3—O—, —O—(CH2)3—, —(CH2)2—CH═CH—, —CH═CH—(CH2)2—, —CF2O—, —OCF2—, —CR2═CH—, —CH═CR2— or —CF═CF—, and R2 is an alkyl group having 1 to 5 carbon atoms; X is a hydrogen atom or a fluorine atom; p and q are each 0 or 1; and m is an integer of 0 to 5.
摘要:
A tetracyclic compound expressed by the following general formula (1) wherein H1 to H12 represent hydrogen atom at least one of which is replaced by a halogen atom, when either H6 or H8 is replaced by a halogen atom, at least one of the remaining hydrogen atoms is replaced by a halogen atom; R1 and Y1 independently represent an alkyl group, alkoxy group, or alkoxyalkyl group having 1 to 20 carbon atoms, or an alkenyl group having 2 to 20 carbon atoms, one or more methylene group in R1 and Y1 may be replaced by oxygen atom, sulfur atom, dihydrosilylene group, dimethylsilylene group, —CH═CH—, or —C≡C—; and X1, X2, and X3 independently represent a covalent bond, 1,2-ethylene group, or 1,4-butylene group; and a novel liquid crystal composition comprising the tetracyclic compound and having, at the same time, a wide temperature range of a nematic phase, high optical anisotropy, and high chemical stability.
摘要:
An air belt 2B has a bag-like belt potion 10 and a knit cover 12 that surround the bag-like belt portion 10. The bag-like portion 10 has a greater width in the part that fits to the passenger's body between the shoulder and abdomen. The enlarged part of the bag-like portion 10 is folded on top of itself to form a strap-like shape. The knit cover 12 is woven so that it is expandable in the direction perpendicular to the longitudinal direction of the belt, but virtually not in the longitudinal direction. Upon activation of a gas generator 9 with a buckle 4 engaged with a tongue 5, the air belt 2B inflates. During the inflation, the length of the knit cover 12 shortens in the longitudinal direction of the belt 2B, thereby causing the belt 2B to tightly fit on the passenger's body. This ensures the proper protection of the passenger.
摘要:
A superconducting magnet apparatus which includes a cryostat vessel for containing therein a coolant for realizing superconductivity, a magnetic flux generating unit disposed within the cryostat vessel and including a superconducting multilayer composite member constituting a sustaining medium for a persistent current which generates a magnetic flux along a center axis of a predetermined magnetic field space, and members holding the magnetic field generating unit within the cryostat vessel.
摘要:
A magnet field generating apparatus for MRI, comprising:a plurality of permanent magnet assemblies disposed continuously around the angular inner circumference of a hexagonal tubular yoke to provide a uniform magnetic field at the center portion of the hollow space inside said permanent magnet assemblies; the permanent magnet assemblies forming a main magnetic field by a pair of oppositely disposed permanent magnet assemblies which are trapezoidal or square in cross-section; other pairs of permanent magnet assemblies having a triangular or square cross-section; each of the pairs of oppositely disposed permanent magnet assemblies has a side surface in contact with a part of the inner peripheral surface of the yoke and forms a plurality of permanent magnet blocks which are magnetized perpendicularly to the side surface in contact with the yoke so that the permanent magnet assemblies are magnetized perpendicularly to the side surface thereof in contact with the yoke; magnetic pole pieces disposed on each surface of the pair of oppositely disposed permanent magnet assemblies; and permanent magnet piece projections having the same magnetizing direction as the plurality of permanent magnet assemblies are respectively disposed on each surface of the paired oppositely disposed permanent magnet assemblies on which no magnetic pole piece is disposed.
摘要:
In an image reconstruction method in a nuclear magnetic resonance imaging apparatus, the method comprises first and second steps to get detected data S.sub.I for at least about half of region inclusive of an origin and data S.sub.IV in a region symmetric with respect to a line passing through an origin on one of axes from the detected region in the acquired data space and parallel to the other axis, respectively, third and fourth steps to perform inverse Fourier transform on the data S.sub.I and S.sub.IV, respectively, a fifth step to get a complex conjugate value of the result obtained from Step 3, a sixth step to get a complex conjugate value of the result obtained from Step 4, a seventh step to calculate a phase map from the results obtained from the second, third, fourth, fifth and sixth steps, an eighth step to multiply the result obtained from step 6 by the phase map obtained from step 7 and to obtain a phase corrected data, and a ninth step to sum the result obtained from the third step and the result obtained from the eighth step. The method can thus obtain the whole reconstructed image.