Abstract: Disclosed is an information recording medium comprising:a base having a first surface and a second surface;a light-sensitive layer provided on said first surface of said base; anda plurality of magnetic layers provided on said second surface of said base, wherein a coercive forces of said magnetic layers are different from each other.An information recording medium according to this invention is capable of recording a variety of information in plural magnetic layers classifying the information by the degree of significance.

Abstract: Disclosed is a silver halide photographic light-sensitive material comprising;a support having a first side and a second side which is opposite to said first side;a silver halide emulsion layer provided on said first side: anda recording medium provided on said second side, wherein said recording medium comprising a magnetic layer having a magnetic powder and a first binder, and a conductive layer which contains a conductive particle and a second binder,said conductive particle being essentially consisting of one of crystalline metal oxide selected from the group consisting of ZnO, TiO.sub.2, SnO.sub.2, Al.sub.2 O.sub.3, In.sub.2 O.sub.3 and SiO.sub.2, and a complex oxide thereof.A silver halide photographic light sensitive material according to this invention is capable of magnetic recording, high in light transmitting property, and excellent in antistatic property and film feeding property.

Abstract: A magnetic recording medium is disclosed which is excellent in video and audio signal output as well as in S/N ratio. The recording medium comprises first and second magnetic layers provided on a support in this order from said support and the first magnetic layer has a SFD value of from 0.38 to 0.60 and the second magnetic layer has a SFD value of from 0.30 to 0.45, wherein SFD is defined as follows:SFD=.DELTA.H/Hcwhere .DELTA.H is a half-width of magnetic field at the extreme value of differential coefficient of a magnetic induction-magnetic field hysterisis curve, and Hc is a coercive force of a magnetic material.

Abstract: A method of improving a magnetic recording medium in the physical and electromagnetic properties is disclosed. The method is comprised, in combination, of the steps of:making a support of one selected from the group consisting of polyehtylene naphthalate and polyehtylene terephthalate;providing on the support, a magnetic recording layer comprising a ferromagnetic metal powder, a carbon black, a lubricant, an abrasive and a binder;providing on the opposite side of the magnetic layer, a back coating layer comprising a carbon black, non-magnetic particles and a binder;wherein the Young's modulus of said magnetic recording medium in a traveling direction is not less than 1100 kg/mm.sup.2.

Abstract: A magnetic recording medium comprising a magnetic layer containing a magnetic metal powder, a fatty acid and an ester thereof, and wherein the surface of said magnetic metal powder is pre-treated with a surfactant.

Abstract: A magnetic recording medium is disclosed comprising a support and a magnetic layer comprising a magnetic metal powder which is pre-treated by a process comprising(a) treating the surface of said magnetic metal powder with a surfactant in an inert atmosphere.(b) steeping said magnetic metal powder in an organic liquid, and(c) drying said magnetic metal powder in the presence of an oxidative gas.

Abstract: A mounting structure for resistors used for controlling the running of industrial vehicles, is disclosed. The apparatus is so constructed that a control panel of an L-shaped, said control panel being mounted to an inner wall surface of a frame cover which is mounted on a floor plate with a gap from said inner wall surface, said panel including a vertically extending section and a horizontally extending section; control means provided to said vertically extending section; resistor means provided to said horizontally extending section; and window opening means provided in said floor plate and said frame cover, whereby the heat generated from said resistors is prevented from being transmitted to the mounted section of the control units.

Abstract: A magnetic recording medium comprising a non-magnetic substrate, a magnetic layer comprising ferromagnetic particles, a binder group, and a titanate coupling agent, said binder group comprising at least one polyurethane resin and at least one of a nitrocellulose resin and an epoxy resin, said titanate coupling agent having 6 ligands wherein each ligand is free of ethylenically unsaturated double bonds.