摘要:
A magnetic recording medium comprising a plastic base film, a magnetic layer formed on one side of the base film and composed of a ferromagnetic alloy powder dispersed in a resin binder, and a backing layer formed on the other side of the base film, characterized in that said ferromagnetic alloy powder has a surface area of at least 48 m.sup.2 /g as measured by BET method, said magnetic layer has a coercive force of at least 1,000 Oe and a surface roughness of at most 0.08 .mu.m, and said backing layer is composed essentially of a thermoset or radiation-cured resin and carbon black dispersed in the resin, and has a surface roughness of from 0.05 to 0.6 .mu.m, said carbon black having an average particle size of from 10 to 60 .mu.m as measured by an electron microscope.
摘要:
A magnetic recording medium comprising a transparent plastic film substrate, a primer coating layer formed on the substrate and a magnetic layer for magnetic recording formed on the primer coating layer, wherein said primer coating layer is formed by dispersing carbon black in a radiation curable coating material composed essentially of at least one oligomer or polymer containing at least one radiation curable unsaturated double bond per molecule and curing the resulting dispersion by radiation.
摘要:
A magnetic recording medium which comprises a plastic base film and a magnetic layer formed on one side of the base film and composed of ferromagnetic alloy powder dispersed in a resin binder, characterized in that said ferromagnetic alloy powder has a surface area of at least 48 m.sup.2 /g as measured by BDT method, said magnetic layer has a coercive force of at least 1,000 Oe and a surface roughness of at most 0.08 .mu.m, and a thermoset backing layer having a surface roughness of from 0.05 to 0.6 .mu.m is formed on the other side of the base film, the backing layer being made of a thermosetting resin composition comprising a vinyl chloride-vinyl acetate-vinyl alcohol copolymer, a polyurethane resin and a polyisocyanate.
摘要:
In a magnetic recording medium comprising a non-magnetic substrate having opposed major surfaces, a non-magnetic undercoat on one major surface of the substrate, a magnetic layer on the undercoat, and a non-magnetic backcoat on the other major surface of the substrate, at least one of said undercoat and said backcoat is formed of a coating composition comprising a radiation curable base resin preferably having a radiation-sensitive double bond such as acrylic, maleic or allylic double bond, an optional thermoplastic resin, and an effective amount of an anti-static agent selected from known surface-active agents, the composition being cured through crosslinking by exposure to radiation. The magnetic recording medium is prepared by mixing the resins with the anti-static agent, coating the substrate with the composition, and exposing the coating to radiation.
摘要:
A magnetic recording medium which comprises a plastic base film, a thin magnetic metal layer formed on one side of the base film and a thermoset backing layer formed on the other side of the base film, wherein the backing layer is made of a thermosetting composition comprising a vinyl chloride-vinyl acetate-vinyl alcohol copolymer, a polyurethane prepolymer and a polyisocyanate and has a surface roughness of from 0.05 to 0.6 .mu.m.
摘要:
A magnetic recording medium comprising a non-magnetic substrate, a magnetic recording layer formed on one side of the substrate and a back coating layer formed on the other side of the substrate, characterized in that the magnetic recording layer contains a hexagonal system plate crystal magnetic powder having a particle size of at most 0.2 .mu.m, and the back coating layer contains a binder composed of a radiation curable resin and has an electric resistance of at most 10.sup.10 .OMEGA./cm.sup.2.
摘要翻译:一种磁记录介质,包括非磁性基板,形成在基板的一侧上的磁记录层和形成在该基板的另一侧上的背涂层,其特征在于,所述磁记录层包含六方晶系的平板晶体磁 粉末的粒径为0.2μm以下,后涂层含有由可辐射固化树脂构成的粘合剂,其电阻最高为1010Ω/ cm 2。
摘要:
One embodiment provides a magnetic memory element, including: a first ferromagnetic layer whose magnetization is variable; a second ferromagnetic layer which has a first band split into a valence band and a conduction band and a second band being continuous at least from the valence band to the conduction band; and a nonmagnetic layer provided between the first ferromagnetic layer and the second ferromagnetic layer.
摘要:
In determining whether a rack inputted to the automatic analyzer by the user is to be transferred to an analysis section or not, samples existing in a route from a buffer to a sample dispensing position in the analysis section are identified, and the number of items in which suction by a nozzle has not been completed in analysis items requested for the samples is managed. When the number of items is reduced to be smaller than a given number, the conveyance of a next rack from the buffer to the analysis section is controlled, thereby limiting the number of analysis items requested for samples in a waiting state for analysis in the analysis section constantly to be smaller than a fixed number. As a result, a period of time until a measurement result of emergency samples is outputted can be reduced even when emergency samples are newly inputted.
摘要:
An object of the present invention is to prevent an unnecessary large amount of hydraulic oil from being supplied to a cylinder when a working vehicle capable of performing both a loading operation and a digging operation is performing the digging operation. When one or a plurality of first digging operation conditions are satisfied and when a second operation condition that it is not detected that the loading operation is being performed is also satisfied, a control unit executes fluid amount reduction control of reducing the amount of hydraulic oil supplied from a first pump to a cylinder that actuates a work equipment.
摘要:
According to an embodiment, an analog-to-digital converter includes a voltage generating unit, and a plurality of comparators. The voltage generating unit is configured to divide a reference voltage by a plurality of variable resistors to generate a plurality of comparative voltages. Each of the plurality of comparator is configured to compare any one of the plurality of comparative voltages with an analog input voltage and output a digital signal based on a result of a comparison between the comparative voltage and the analog input voltage. Each of the plurality of variable resistors includes a plurality of variable resistive elements that are connected in series, and each of the plurality of variable resistive elements has a resistance value that is variably set according to an external signal.