Polycrystalline alumina tubing is scribed by means of laser pulses which are reiteratively focused on the same spots at spaced time intervals. By drilling small holes, the laser need be on for a very short period of time only, and only the surface layers are vaporized, thereby minimizing heat shock. The holes are deepened by repeating the series of pulses and directing them sequentially into the s...

PURPOSE:To obtain smooth-touch composite pad stuff by a method wherein chips made by crushing the waste of skin stuff, knit or woven fabrics and the like are impregnated with a specified quantity of resin liquid with foaming property, filled then on an intermediate material such as rough wool and calico set in a mold for forming and after that are formed monolithically. CONSTITUTION:The chips obta...

The utility model discloses a domestic solar energy water heater with an elliptical cylinder container as the heat collection body. The material of the cylinder body is welded by the cold-rolled steel plate, the internal cylinder body is galvanized, the cylinder body container is positioned in the outer frame in a transverse way and the outer frame is adhered by the polystyrene foam plate. The dom...

PURPOSE:To maintain operating efficiencies of molding machines and vulcanizing machines to be high and flexibly cope with variations in the kind and volume of tires, by providing a transient stocking equipment between a molding stage and a vulcanizing stage, controlling the feeding of the tires independently on the molding side and the vulcanizing side, and feeding four or more raw tires on a pall...

In an apparatus for the grinding or polishing of workpieces, particularly metallographic samples, the grinding or polishing pressure is transmitted to the workpiece (2) through a deformable transmission link (8, 9, 11) which is strained by means of an activating member (14), which is then immobilized. The apparatus comprises means (10) for sensing the elastic deformation of the transmission link a...

PURPOSE:To flatten the lower surface of a flip chip, and to reduce defective bonding in case of mounting onto a hydrid integrated circuit substrate by fixing a flip chip element to an inspection device, inspecting the operation of the chip element, heating a projecting electrode at a semi-melting temperature and bonding a nondefective flip chip element after inspection onto the substrate through d...

PURPOSE:To obtain a pin grid array resulting in no short circuit in the cutting section of an outer lead by forming the outer lead for executing electroplating for wire bonding to a lead and a die pad section in only one connected to the die pad section. CONSTITUTION:Plating for wire bonding of aluminum, gold, etc. is conducted onto the surfaces of a die pad section 4 and leads 3, using a die bar ...

Pharmaceutical preparation containing omeprazole together with an alkaline compound or an alkaline salt of omeprazole optionally together with an alkaline compound as the core material, one or more subcoating layers comprising inert reacting compounds which are soluble or rapidly disintegrating in water, or polymeric, water soluble filmforming compounds, optionally containing pH-buffering alkaline...

Pharmaceutical preparation containing an acid labile compound together with an alkaline reacting compound or an alkaline salt of an acid labile compound optionally together with an alkaline compound as the core material, one or more subcoating layers comprising inert reacting compounds which are soluble or rapidly disintegrating in water, or polymeric, water soluble filmforming compounds, optional...

PURPOSE:To prepare a molded product having a soft touch of cloth material and cushion properties on the surface by wind-clamping the upper end of a cloth material after welding a three-layer cloth material consisting of stretchable cloth, non-rigid polyvinyl chloride sheet and foam urethane to the molded product by means of heating effect with a parison. CONSTITUTION:A three-layer cloth material 3...

C-20 modified derivatives of tylosin and tylosin-like macrolides useful as antibiotics and as intermediates to other antibiotics.

C-20 modified derivatives of tylosin and tylosin-like macrolides useful as antibiotics and as intermediates to other antibiotics.

A 2,2-difluoro-2-desoxycarbohydrate is used to prepare antiviral nucleosides.

PURPOSE:To attain a redundancy replacement system where the same redundancy capability is attained by a smaller chip area and a large redundancy capability is attained by the same chip area by adopting the constitution that each section is replaced with a redundancy circuit. CONSTITUTION:A fuse FL0 in a column decoder CDEC0 is blown by laser irradiation or the like to inactivate a bit line selecti...

PURPOSE:To carry out hemming operation in a simple process by a method wherein a thermoplastic sheet is laid on the surface of a core plate, the peripheral edge of the said sheet is hemmed about the back side of the core plate, welded and fused on the back side with an upper electrode of high frequency having a welding part outside and a cutter part on the inner edge zone. CONSTITUTION:A thermopla...

In a process for producing tubular shaped fibrous articles of small diameter by heating and cooling a fibrous bundle containing at least 20 weight % of hot-melt-adhesive composite fibers, the improvements comprise using a shaping apparatus including an injecting chamber (1), an injecting hole (2) formed in the wall of the chamber, a fibrous bundle outlet (5) provided with a nozzle of a desired sha...

PURPOSE:To easily from a noble metal coating layer only in the required part by preliminarily forming micro-ruggedness on the surface of a copper member by a reverse-polarity plasma arc and coating a noble metal thereon by a laser beam at the time of coating the noble metal on the surface of the copper member. CONSTITUTION:While gaseous Ar 3 contg. several % of O2 is ejected as a shielding gas fro...