A plastic grommet for use on metal studs in wall construction protecting wires, cabling, conduit, and the like. The grommet also makes the passing of such utilities easier and quieter. The grommet will function singularly or assembled to a clone. The grommet includes a cylindrical body having an enlarged flange on one end with radially projecting spring snaps on the exterior of the body whereby th...

A method for treating waste water sludge comprising at least one metal originating from a waste water treatment coagulant, and phosphorus and heavy metals in order to recover said at least one metal and phosphorus and to discharge said heavy metals, said method comprising: acidifying said waste water sludge to dissolve metals contained in the sludge; subjecting the acidified waste water sludge to ...

A capacitor is produced in a semi-conductor storage component in stages. A storage cell transistor is first made on a semi-conductor substrate, a layer of insulation is removed, and a number of double layers are produced from removable layers of two materials; a hole for contact is made by etching through both those layers and the insulation; one conducting layer and one last removable layer of th...

A method of forming multilayer coatings including a pigmented base coat layer applied on a substrate such as automobile bodies comprises applying, as an outermost layer, a clear coat composition comprising (a) a resin having pluralities of hydrosilyl groups and alkenyl groups in the molecule or a blend of resins having a plurality of hydrosilyl groups in the molecule and a plurality of alkenyl gro...

A data storage medium having the ability to recover from media errors includes a directory (36) located at any desired region of a data storage area with redundant directory pointers at reserved locations. A unique file token is included in the directory entry (40) for each data file and is also included in each extent list (44) where the locations of parts of a fragmented data file are stored. Mu...

A vulcanizable elastomer composition comprising an alpha -olefin copolymer comprising ethylene and an alpha -olefin(s) and an ethylene copolymer comprising ethylene and at least one member selected from the group consisting of acrylic and methacrylic esters, which has an excellent roll-processibility and gives by vulcanization an elastomeric material having well-balanced properties in respect of...

PCT No. PCT/JP87/00931 Sec. 371 Date Aug. 5, 1988 Sec. 102(e) Date Aug. 5, 1988 PCT Filed Dec. 1, 1987 PCT Pub. No. WO88/04309 PCT Pub. Date Jun. 16, 1988.A heat and impact resistant composition comprising: (A) 5-89 parts by weight of a graft polymer prepared by graft polymerizing 30-75 parts by weight of a mixture of 30-80% of an aromatic vinyl monomer, 10-50% of an N-substituted maleimide monome...

The present invention relates to a semiconductor device and a process for producing the same. The principal surface of a semiconductor pellet is provided with a plurality of first bonding pad electrodes arranged in a first arrangement state and a plurality of second bonding pad electrodes which are provided with substantially the same electric circuit functions as those of the corresponding first ...

A non-woven fabric of electret fibres is predominantly made of a fibre-forming polymer or polycondensate and 0.01-30, pref. 0.01-10, and esp. 0.1-5, wt.% of an organic or organometallic charge control agent. The fabric contains ≥ 2 sorts of electret fibres which are made from different materials. Also claims dust filters and dust wiping cloth made from the non-woven fabric; and the use of the non-...

In a method and apparatus for making uniform size balls at the end of bonding wires, a constant current circuit is installed between a high voltage power source and a discharge electrode so that a constant high voltage is applied between the bonding wire end and the discharge electrode and a discharge voltage is detected by a discharge voltage detecting circuit so that the thus detected discharge ...

PURPOSE:To reduce the variation of tails without extending total time required for wire cutting. CONSTITUTION:After a wire 2 is bonded at a second bonding point, a capillary and a wire cutting clamper are turned to a speed reduction rate 11 after having attained a speed increase rate 10 and they are arranged to rise to an elevation slightly lower than a desired length S and then continue their ris...

A container is provided which is intended, in particular, for etching semiconductor wafers in a liquid bath and which contains an insert (5) having 1.1-1.9-times the diameter of a wafer (6). The insert comprises arrangements of bundles of guide bars (12) held in parallel and spaced apart at a distance of at least twice the wafer thickness by spacing bars (8). The bundles (12) of guide bars compris...

Wire-bonding of a semiconductor device designed in accordance with the CAD system is implemented on the basis of bonding data obtained by making use of the design data in the CAD system. For the design data in the CAD system, coordinate data of the bonding pads and the lead frames and wiring information therebetween are used. Since ordinarily the coordinate system in the CAD system and the coordin...

The present invention is directed to methods for controlling the light emission of an oligonucleotide labeled with a light-emitting label that are useful in nucleic acid detection assays. A reaction that results in the cleavage of single-stranded oligonucleotide probes labeled with a light-emitting label is carried out in the presence of a DNA binding compound that interacts with the label to modi...

PURPOSE:To enhance the measurement precision and workability in the bending inspection on the plane of a wire loop. CONSTITUTION:In a bonding station, a wire 3 to be measured is described on a monitor. Next, the scale marks 42 centered on the point of intersection of both straight lines 40, 41 are displayed on the other straight line 41 orthogonal to the bonding point straight line 40 connecting t...

Construction of a single gene encoding a signal-chain immunoglobulin-like molecule is described. This single-gene approach circumvents inefficiencies inherent in delivering two genes into a mammalian cell and in the assembly of a functional immunoglobulin molecule. It also facilitates ex vivo transfection of cells for gene-therapy protocols. The single-chain protein comprises the heavy- and light-...

The invention relates to a method for detecting imperfections on a surface inspected. The method comprises the steps of providing and segmenting image information to form blobs (BL1-BL4); feature extraction for the blobs; clustering of the blobs, in which the image blobs are grouped into several clusters (A, B), each of which contains one or more blobs (BL1-BL4). The clustering is continued by fur...

The present invention relates to a process for modifying a polyethylene in an extruder. The polyethylene is brought into contact with oxygen or a gas mixture containing oxygen in the extruder, optionally in the presence of a relatively small quantity or preferably in the absence of short-term antioxidant agent. The polyethylene thus brought into contact is treated thermomechanically in the molten ...

Process for the purification of sulphur hexafluoride used in electrical equipment and the like which comprises taking the SF6 from the equipment containing it in the gas state at its operating pressure by means of an extraction and circulating device, in passing the gas through a set of filters to purify it and then returning the purified gas directly to the electrical equipment from which it was ...

It is described an electronic base circuit for overload relays depending from the line voltage, apt to perform all functions common to the various kinds of relays, comprising the following combined elements: means (AMP) for detecting the fault current; means (RI) for measuring said current; command means (TRI) for any external power circuit, when a pre-fixed threshold is exceeded. An electro...