Abstract: A light emitting device comprises: a light emitting element; a plurality of lead frames to which the light emitting element is electrically connected; and a package that includes in its interior at least part of said lead frames which protrude outward at one end, that is equipped with an opening for taking off light from the light emitting element, and that extends in the lengthwise direction, wherein a concave portion is formed in the outer surface of at least part of the package wall, the lead frames protruding outward from the package are accommodated in this concave portion, and the walls that constitute said opening and are across from each other in the widthwise direction of the package comprise at least a first wall that is across from the light emitting element, a second wall that is raised up by a step from the first wall, and a third wall that links the first wall and the second wall, and the second wall and third wall are formed thicker than the first wall.

Abstract: A seawater mineral component-containing composition is produced which contains mineral components having a good effect on health, such as magnesium and calcium, has a decreased content of sodium, and thus can be used widely for foods. When processed, the seawater mineral component-containing composition provides foods and beverages useful for preventing cardiovascular diseases and lifestyle-related diseases. The seawater mineral component-containing composition is obtained by subjecting seawater to electrodialysis, and has a sodium concentration of 6 mg/L or less when adjusted to form an aqueous solution having a hardness of 100 (EDTA method).

Abstract: Provided is an atherectomy catheter, including a cylindrical catheter body, a freely rotatable drive wire inserted into an inside of the catheter body, and a head for removing a thrombus, which is provided on a tip of the catheter body, in which the head has an elastic member formed of a material that is deformable by collision with the thrombus, and an outer surface of the elastic member is placed on substantially the same level as a surface of a blade for removing the thrombus, or protrudes outwardly from the surface of the blade. The outer surface of the elastic member is dented backward from the surface of the blade of a blade member, or concaved by collision with the thrombus, the blade then abuts on the thrombus present in the concave formed, and the thrombus is eliminated.

Abstract: For providing a semiconductor package with improved moisture resistance and high reliability and a production method thereof, a solder resist is also provided in an appropriate thickness between electrodes of conductor circuits on a surface of a substrate. The resist in these portions is obtained by patterning the solder resist while leaving the solder resist between the conductor circuits by removing the unnecessary solder resist under irradiation of a laser.

Abstract: A printed circuit board is free from any residue of the carbide of resin produced on the surface of its copper foil exposed after boring a blind hole by means of a laser beam. Such a printed circuit board is adapted to have a blind hole 10 bored through an insulator 1 until the hole gets to the copper foil 3 arranged under the insulator by irradiating the insulator 1 with a laser beam. A laser beam absorbing region is provided between said insulator 1 and said copper foil 3.

Abstract: For providing a semiconductor package with improved moisture resistance and high reliability and a production method thereof, a solder resist is also provided in an appropriate thickness between electrodes of conductor circuits on a surface of a substrate. The resist in these portions is obtained by patterning the solder resist while leaving the solder resist between the conductor circuits by removing the unnecessary solder resist under irradiation of a laser.

Abstract: An ink jet recording head, which can be used in a recording apparatus, is manufactured by preparing a first base plate provided with an energy generating structure for generating energy to discharge ink, preparing a second base plate provided with a discharge opening plate member on which are to be formed ink discharge openings for discharging the ink and recessed portions for forming ink flow paths, the ink flow paths being communicated with the discharge openings, and applying an ink repellant treatment on a surface of the discharge opening plate at a side where the ink is to be discharged in at least an area where the discharge openings are to be formed.

Abstract: An image forming apparatus includes an image forming unit which has a rotating photoconductor, and a transfer unit disposed adjacent the photoconductor which retains an image-formation sheet on its circumferential surface. It further includes a sheet feeding path for feeding a sheet to the transfer unit, a sheet discharging path for discharging a sheet from the transfer unit, a first sensor for detecting a jammed-sheet condition in the sheet feeding path, a second sensor for detecting a jammed-sheet condition in the sheet discharging path, and assume function which assumes a paper jam in the transfer unit in conjunction with the determination of the first detecting sensor and/or the second detecting sensor. Accordingly, the apparatus does not neglect to cope with a sheet remaining on the transfer unit under a halt condition due to the sheet-jam. Thus obstruction to a following copying operation by a sheet remaining on the transfer unit is averted after the jammed-sheet condition is remedied.

Abstract: The present invention relates to a method for manufacturing an ink jet recording head having an ink path communicated with a discharge opening, a discharge energy generating element disposed in the ink path and a discharge opening plate on which the discharge opening is formed. The discharge opening plate is attached to an end surface of the ink path. The discharge opening is formed by irradiating an excimer laser light on the discharge opening plate from a side of the plate which is attached to the ink path.

Abstract: An access alarming method and apparatus for activating an alarm in the event of the access of a working vehicle, such as a road roller, to an object, such as a worker, in the same working area as the vehicle. An ultrasonic wave transmitted by a transmitter on the object is received by a receiver on the vehicle. The received signal is processed and used to determine the relative position of the vehicle with respect to the object. An alarm is activated, and/or the vehicle is braked when it is judged that the object is within a hazard area determined in relation to the position and course of the vehicle.

Abstract: A copper converter which includes: a converter body; a plurality of tuyeres disposed to the converter body, each tuyere having an outer end portion; a first concentrate blowing pipe assembly disposed at least one of said tuyeres, the concentrate blowing pipe assembly including an introducing pipe inserted into the at least one tuyere; a blowing unit, connected to the concentrate blowing pipe assembly, for blowing a material including a concentrate through the introducing pipe into the converter; an air supplying unit, disposed to the tuyeres, for supplying pressurized air to the tuyeres; and formations, disposed to said outer end of each tuyere and said concentrate blowing pipe assembly, for detachably interlocking the introducing pipe with the at least one tuyere.

Abstract: Discarded rubber tires are charged in random state into a vertical dry distillation furnace, and the tires at a lower part thereof are caused to undergo combustion to give off hot combustion gases by which the tires at higher levels undergo dry distillation to produce distillation gases which are useable as fuel. The combustion is started by burners and is then self-sustained by supplying only air. The furnace interior at its part below the combustion zone is expanded or flared in the downward direction to an open end immersed in water, but the downward movement of the tires and residue is braked by a self-sustained grate effect until the residue finally drops out of the furnace to be removed by a conveyor. The continuous and efficient operation over a long period of this furnace is assisted by a separator also capable of long continuous operation.

Abstract: A leveling device for an asphalt finisher or the like including a pair of screeds disposed at front and rear portions of the device on auxiliary frames which are slidably coupled to a main frame. The main frame is pivotably mounted to a pair of supporting arms extending from the vehicle body. The screeds are both movable laterally and tiltable sidewards so that a predetermined depth of asphalt coating can be attained and a crown portion provided if desired.

Abstract: A gunning apparatus for repairing a furnace lining is provided with a spray pipe of non-circular hollow cross-section. The spray pipe of non-circular cross section slidably moves back and forth within a rocking sleeve by a slide mechanism while the spray pipe is non-rotatable relative to the slide mechanism and is rotatable only by the rotation of the slide mechanism, whereby the shooting pipe is manipulated without weakening the rigidity or strength thereof which usually occurs on a conventional circular shooting pipe which requires keyways for rotation thereof.

Abstract: Electron beam machining apparatus of the dynamic seal type, characterized by upper and lower fixed plates for fixedly clamping a workpiece therebetween, which plates define upper and lower vacuum chambers; a movable plate disposed on said upper fixed plate so as to be movable in the working direction, said plate defining a movable chamber which communicates with said upper vacuum chamber, said upper and lower vacuum chambers and the movable chamber providing a working chamber of the apparatus; inflatable seal members for said upper and lower vacuum chambers; said upper and lower plates defining auxiliary vacuum chambers located outwardly of and encircling their respective fixed vacuum chambers, an upper wall of said upper vacuum chamber defining an opening in the form of a V-shaped groove which extends in the working direction of V-belt seal, and by a belt seal guide tube mounted on said movable plate and extending in the working direction, to enclose the electron gun, said V-belt fitting into said groove in

Abstract: A composition is disclosed for coating metal prior to cold plastic deformation working, consisting of 95 to 20 wt. % of a di-long chain aliphatic hydrocarbon ketone and 5 to 80 wt. % of a solid paraffin; said composition having a low coefficient of friction, good spreading properties, good anti-rust properties, good rolling properties and good welding and soldering properties. The composition can optionally contain minor proportions of (1) polybutene, (2) lecithin and (3) dialkyl phthalates or dialkyl adipates.