A method for renovation of pipelines, comprising introduction of lining layers into the existing pipeline, the lining layers corresponding in length to the length of the pipeline to be renovated. The lining layers consist of fusible polymers and are presurized and fused together by the introduction of a heat source into the inside of the innermost lining layer.

An integrated circuit chip carrier assembly, comprising a semiconductor device (10) having interconnection pads (14) disposed on an active surface (12) of the device. The device (10) is attached by means of electrically conducting bumps (26) to a circuitry pattern (18) on a first side of a circuit carrying substrate (16). The substrate is typically an aramid reinforced organic resin, such as epoxy...

A large-scale integrated circuit, according to the present invention, comprises an integrated circuit function block having an original circuit function as the integrated circuit, a serial bus function block for setting and changing of an internal function of the integrated circuit function block, the serial bus function block including a clock terminal for receiving a clock signal, a bus busy ter...

The lead frame of a semiconductor package includes: a die pad to load a semiconductor die; an inner lead connected electrically with a bonding pad of the semiconductor die through a bonding wire; and an outer lead jointed to a land pad of a PCB through solder. The die pad and the inner pad are encapsulated with an encapsulate resin, and the lead frame is made of a metal having a similar thermal ex...

The testing device allows current to flow into a FET when voltage is authorized at an electrode(GPAD1-GPADk, DPAD1-DPADl) for power authorization formed at the upper and left of the liquid crystal pannel(30),and connected to each busline and each blocked busline in units of n by voltage. At this moment, the current is measured at testing electrode(D1-Dk, D1-Dl) of each block(11-1k, 21-2k) when n ...

Laser energy is used to remove all the epithelium from a defined treatment zone on the surface of the cornea by focusing a laser beam on the epithelium and monitoring the vapor produced by ablation of the epithelium. The stroma is then sculpted to provide the desired refractive correction by dividing the ablation zone into a set of sub-zones and applying laser energy to each sub-zone in sufficient...

A vacuum cleaner having a floor traveling head with wheels and an elongate handle pivotably connected to the head. The head has two motors; one connected to an impeller and one connected to a rotatable brush. The head has rechargeable batteries therein for supplying electricity to the motors and a three position electrical switch. All working components of the vacuum cleaner, including an air filt...

A returnable container suitable to be assembled to contain products, and to be disassembled for return shipping, comprises a molded base having a container bottom plate surrounded by an upstanding flange, a molded top closure having a container top plate surrounded by a depending flange, and a sleeve part suitable for providingsidewalls surrounding a space between the base and the top closure and ...

A combination tool (20) includes a tool head (22) having a jaw mechanism (28) with two jaws lying in a tool head plane (54). A first handle (24) is pivotably attached to the jaw mechanism (28) and rotatable in a first direction about a first pivot axle (35) lying in the tool head plane (54), between a nested position wherein the first handle (24) lies coplanar with and adjacent to the jaw mechanis...

A device for injecting medication into a vessel wall includes a plurality of flexible tubes mounted between a multi-lumen catheter and a grommet. A push-pull wire is connected to the grommet and passed through a lumen of the multi-lumen catheter. A plurality of injectors are mounted on each of the flexible tubes. During use, the device is first positioned in a vessel. The push-pull wire is then pa...

The present invention involves a self-cleaning air filter assembly for an internal combustion engine. An air stream is directed into an air filter housing and a portion of the air stream is filtered by an air filter assembly which may include one or more filter media and the remaining portion of the air stream is discharged from the air filter housing through an exit opening. Particulates containe...

Herein provided is an electrostatic chuck whose surface is processed so as to have projections and recesses, which has a simple structure and which makes it possible to establish a uniform temperature distribution on a wafer surface when the wafer is held on the processed surface thereof through the use of an electrostatic attractive force. The uneven surface configuration of the electrostatic chu...

A suitable inert gas such as argon or a mixture of inert and reactive gases such as argon and hydrogen is introduced onto the backside of wafers being processed in a CVD reactor during the deposition of tungsten or other metals, metal nitrides and silicides, to avoid deposition of material on the backside of the wafers being processed. Each process station (4b,4c,4d) includes a gas dispersion head...

A hand tool such as a knife (80) or a combination tool (20) includes multiple blades (32), each independently rotatable on a common axle (34) between a closed position within a handle (28) of the tool (80, 20) and an open position extending from the handle (28). Each blade (32) is positively but releasably locked into its open position. Those blades (32) which remain closed are biased toward the c...

A process of producing a semiconductor device involving the steps of providing a lead frame having inner leads spaced from each other and connected together by a connecting portion; bonding a layer of an insulating material to the connecting portion and to surrounding portions of the inner leads; removing the connecting portion and a portion of the layer of insulating material to form end portions...

A method for bonding moving webs (11, 12) of fibrous material and/or plastic film together or to absorbent material layers, in which at least one of the adjacent layers contains thermoplastic components, comprises arranging for the webs to travel in a common direction next to each other and directing a straight laser beam (L2) against the webs as they pass through a press nip formed by a pair of r...

The known good die with solder bump includes the steps of (a) forming the designated thickness of solder bump(58) on a top of bonding pad of each semiconductor chip(57) at wafer state, (b) separating semiconductor chip(57) into individual dies for burn in test after settling the metal layer with uniform thickness on top of solder bump(58), then using one of Al, Au, Ag, Cr, Ni, or CrCu for the meta...

A means of optimizing throughput on a communications channel shared by multiple users. A communications channel that must be shared by a large number of devices has the potential of being very inefficient because of collisions or overlapping of transmissions by the various devices. The system combines a carrier sense, multiple access (CSMA) mode with a time division multiple access (TDMA) mode to ...

A dilatation balloon (20,98) is fabricated according to a process that yields high hoop strength and uniformity in balloon wall thickness. A length of tubing (34) is axially elongated and radially expanded in a form (36) to provide the requisite biaxial orientation and strength. Then, an excimer laser (46,66,84) is used to remove the polymeric material by photo-chemical ablation, virtually without...

An airbag cushion assembly including an airbag cushion, a cushion strap and a horn switch pocket for use with a driver side airbag module. The horn switch pocket is for mounting a horn switch assembly and is secured to a tether of the cushion strap. The cushion strap retains the airbag cushion in a deflated, folded position prior to mounting the airbag cushion assembly within an airbag module and ...