Abstract: A conductive magnetic toner including a magnetic powder having a specific resistance of not more than 1.times.10.sup.6 .OMEGA..cm in the amount of from 40% by weight to 60% by weight and a carbon black having a specific surface area of 800 m.sup.2 /g to 1500 m.sup.2 /g and an oil absorption of dibutyl phthalate of not less than 200 cc/100 g in the amount of from 8% by weight to 15% by weight is provided.

Abstract: A heat-sensitive stencil sheet is disclosed, which comprises a porous sheet having on one side thereof at least an adhesive layer and a thermoplastic resin film layer in this order, wherein at least one of the layers constituting said stencil sheet contains a heat-sensitive color-forming material. The layer containing the heat-sensitive color-forming material develops a color on thermal perforation to visualize the perforated image so that a printing ink, particularly plural inks of different color, can be easily applied to the stencil sheet in proper positions in proper quantities.

Abstract: A toner for developing electrostatically charged images is disclosed including a binder resin and a coloring agent as principal ingredients, the toner containing ethylene/methyl methacrylate copolymer resin in an amount of 1% by weight to 30% by weight based on the total weight of the toner.

Abstract: A thermal printing medium having high mechanical strength, and a label and tag incorporating such a thermal printing medium is disclosed. In additional to high mechanical strength, the thermal printing medium of the present invention provides for excellent printing density and reslution, for which reason the medium is very applicable to bar codes and the like. The thermal printing medium which includes a multilayer structure consisting of a support substrate comprised of polyolefin type cross-laminate film; a thermal developing layer over the above mentioned under layer, comprised chiefly of colorless or lightly colored leuco-type dye and color developer agent; and a protective layer over the above mentioned thermal developing layer.

Abstract: A toner for developing static charge images is disclosed which comprises 1 to 15 parts by weight of waxes whose DSC heat absorption regions exist only at a temperature no lower than 50.degree. C. and 100 parts by weight of a binder resin. As for such waxes, there can be used waxes which have been purified by removing fatty acids whose DSC heat absorption regions exist at temperatures no higher than 50.degree. C.

Abstract: An electrostatic recording material comprising a conductive having on at least one side thereof an electroconductive layer and a recording layer in this order is disclosed, wherein said support is made of fabric having a weaving density of at least 30 yarns/cm and a weaving interstice of not more than 150 .mu.m. The recording material exhibits satisfactory recording characteristics and excellent durability, while having a feeling inherent to the fabric.

Abstract: A process is provided for the production of polyaniline derivatives, which are soluble in general organic solvents, without impairment of the inherent good properties of the corresponding polyanilines. The production process comprises treating each starting polyaniline with ammonia to convert the former to a soluble polyaniline, treating the soluble polyaniline with excess hydrazine to convert the former to a reduced polyaniline, dissolving the reduced polyaniline in an amide solvent, and then adding a halogenated hydrocarbon to the resulting solution, thereby introducing a hydrocarbon group to nitrogen atoms of the reduced polyaniline.

Abstract: Resin compositions for the inner coat of semiconductors which include(A) 100 parts by weight of a polysiloxane having vinyl groups and having a viscosity of 100 to 800cP at 25.degree. C., said polysiloxane having a general formula ##STR1## in which V represents a vinyl group, Me represents a methyl group, Ph represents a phenyl group, R represents a methyl group or a phenyl group and both k and l represent natural numbers which are variables within the range of 0.01.ltoreq.l/(k+l).ltoreq.0.2,(B) 1 to 35 parts by weight of a polysiloxane haivng a viscosity of 2 to 500cP at 25.degree. C., said polysiloxane having a general formula ##STR2## in which Me represents a methyl group, and both m and n represent natural numbers which are variables within the range of 0.05.ltoreq.n/(M+n).ltoreq.0.3,(C) 0.

Abstract: Adhesive tapes suitable for use in wire-bonded semiconductor devices are disclosed. They are each composed of a heat-resistant substrate formed of at least one layer, a copper foil provided on one side of the substrate, and a semi-cured adhesive layer and a protective film provided successively on the other side of the substrate. Semiconductor devices fabricated using such adhesive tapes are also disclosed.

Abstract: A transfer recording medium is disclosed, comprising a light transmitting support having provided thereon a heat transfer solid ink layer via an interlayer having a photolyzable compound. The recording medium provides a clear and high-quality color image on an image-receiving sheet at high speed and low cost irrespective of surface smoothness of the image-receiving sheet.

Abstract: A thermo-sensitive recording label paper comprising a laminate which comprises(1) a thermo-sensitive color-developing layer containing at least a colorless or lightly colored leuco-dye provided on one surface of a paper support, (2) a protective layer provided on the color-developing layer, and (3) at least one of a back layer and a protective underlayer, said back layer being provided on the other surface of the paper support, and said protective underlayer being provided between said paper support and said color-developing layer;the laminate having an internal bond strength of 2.5 kg-cm or more according to Tappi UM-403, and the surface of the protective layer of the laminate having a Bekk smoothness of 500 seconds or more according to JIS P8119.

Abstract: Disclosed is wrapped glass cap article, comprising at least one glass cap and a pair of plastic films having located therein the at least one glass cap, at least one of the pair of plastic films being imparted on its inner surface with a weak adhesiveness so that the glass cap is tightly sealed due to the weak adhesiveness of the plastic film. The article gives rise to glass caps with less contamination when the plastic film is peeled off.

Abstract: An adhesive tape for die bonding is disclosed, comprising a release film having a release layer on at least one side of a support and an adhesive layer attached to said release layer, wherein the exposed surface of said adhesive layer is a mirror-like surface having an average roughness on center line (Ra) of not more than 2.5 .mu.m and a maximal height (Rmax) of not more than 20 .mu.m.

Abstract: A diamine compound represented by general formula (I): ##STR1## wherein R is as defined in the specification a group of formula (II) ##STR2## where R.sup.1 and R.sup.2 as defined in the specification or a group of formula (III) ##STR3## where R.sup.1 and R.sup.2 have the same meanings as defined above, and Z is as defined in the specification, or --SO.sub.2 --. The diamine compound is produced by reducing a dinitro compound of general formula (IV) ##STR4## wherein R has the same meaning as defined above. Imidation of the diamine compound with a tetracarboxylic acid dianhydride produces a polyamideimide resin having a repeating unit represented by general formula (V): ##STR5## wherein Ar and Ar.sup.1, which are as defined in the specification R.sup.3 is a group of general formula (VI) below: ##STR6## where R has the same meaning as defined above; R.sup.4 is as defined in the specification and m and n are each zero or a positive integer which satisfy m.gtoreq.2n.

Abstract: A lighting lamp having a display sheet laminated on the surface of a bulb thereof, said display sheet comprising a support having laminated thereon a light-susceptible layer including an active layer containing at least one of a dye and a pigment capable of coloring, fading, or discoloring by the action of an active light and an adhesive layer formed on the surface of the light-susceptible layer such that the portion corresponding to at least the display portion thereof is exposed, and being laminated on the surface of the bulb by the adhesive layer.

Abstract: A lighting lamp is disclosed, comprising a lamp having laminated on the surface of a bulb thereof a display sheet, said display sheet comprising a support having thereon an active layer containing a pigment which is faded by the action of an active light and an active light-adjusting layer.

Abstract: An adhesive tape for die bonding is disclosed, comprising a continuous tape wound on a reel, the continuous tape having a structure that an adhesive layer composed mainly of a filler and a binder comprised of an epoxy resin and a polyester resin is laminated on a release film. According to the adhesive tape for die bonding of the invention, bonding of semiconductor elements can be attained with good workability and high reliability by very easily handling of the adhesive tape.

Abstract: A cyan-free desensitizing solution for use in offset printing comprising as the effective ingredients:(a) at least one member selected from the group of an ammonium salt and amine salt of inositol hexaphosphate ester;(b) a water-soluble cationic polymer; and(c) a low molecular weight electrolyte.

Abstract: Method for producing a thermoplastic resin film or sheet useful for chelate color printing which involves contacting at least one surface of a thermoplastic resin film or sheet with a mixed liquid composition comrising (i) a liquid capable of dissolving or swelling said thermoplastic resin, (ii) a liquid having no ability to dissolve or swell said thermoplastic resin, being compatible with said liquid (i) and having a faster rate of evaporation than said liquid (i), and (iii) an inorganic compound containing at least one metal atom selected from the group consisting of iron, vanadium, titanium, molybdenum and tungsten, or an organic compound capable of forming a chelate compound with the metal atom and developing a color, and evaporating off said liquids (i) and (ii), thereby to form a porous surface layer of the film or sheet to which is adhered an uppermost chelate color printing layer comprising said inorganic or organic compound (iii).

Abstract: A planographic dry offset master plate composed of a substrate and, formed thereon, a crosslinking agent-cured layer of a diorganopolysiloxane in which 5 to 40 mole % of the organic groups directly bonded to silicon atoms are phenyl groups. The master plate is especially suitable for plate-making by an electrostatic process and a direct image process. The resulting printing plate has good durability and are free from scumming during printing.