Patterns with feature sizes of less than 50 microns are rapidly formed directly in semiconductors, particularly silicon, using ultraviolet laser ablation. These patterns include very high aspect ratio cylindrical through-hole openings for integrated circuit connections; singulation of processed die contained on semiconductor wafers; and microtab cutting to separate microcircuit workpieces from a p...

Medical device comprises a radioscopy system (2) for diagnostic image generation as well as therapeutic source (3). The latter is placed on a guide arm (4), the end (5) of which can be displaced linearly in a direction (R) with respect to the radioscopy system. In addition the guide arm pivots about a rotation axis (6).;

L'invention concerne un dispositif médical (1) comportant un système de ra...

A tire building drum has a center section (720) and two end sections (722,724). Each end section is provided with an expandable bead lock assembly (726) . The center section is preferably expandable. The expandable bead lock assembly comprises a carrier ring (CR) and a plurality of elongate links (K) extending between the carrier ring (CR) an d a plurality of radially- expandable segments (S). W...

Burada, isi yalitici bir madde olarak genel kullanim ve/veya akustik uygulamalar için uygun açik hücreli düsük yogunluklu yari sert bir poliüretan köpügünün bir üretim yöntemi açiklanmaktadir. Yöntem üretim için (c) pul pul dökülen grafitin etkin bir miktari, (d) körükleme maddesi ve (e) istege bagli olarak ek yardimci maddelerin varliginda (a) bir poliizosiyanat ve (b) 100 ila 10000 arasinda bir ...

The invention relates to a packaging device for a liquid that is to be dispensed drop by drop, comprising a container (1) with manually elastically deformable walls, which ends in a rigid neck (3) in which a head (4) for dispensing the liquid is mounted. A membrane (31) which is both hydrophilic and hydrophobic, advantageously antibacterial, is arranged in the dispensing head (4) across the passag...

At least first and second dissimilar tire components are placed on a false drum, and are subsequently transferred, en masse, to a building drum, in the following manner. The first tire component is placed on the false drum with the false drum stationary, using a vacuum device to pick up a free end of the first tire component and place it on the false drum. The vacuum in the false drum is turned an...

A method and apparatus for assembling multiple tire components onto one or more tire building drums at a work station of a tire building system is disclosed . A first inner set of measuring drums is located at a first loading position between a second oute r set of measuring drums at a second loading position. Tire components are loaded ont o the first and second sets of measuring drums at the fir...

Method and apparatus for stabilizing a tire building drum (120, 220, 320), wherein the tire building drum has two ends, is permanently supported at a single cantilever support end (125), and the remaining end is a free end (123, 223). The method comprises providing a free end support (140, 240, 340) engaged with the free end to stabilize the tire building drum by restricting lateral movement of th...

A method for simultaneously building a plurality of tire carcasses includes the tire building steps of establishing a sequence of work stations, each at a predefined location along a working axis extending through the work stations. Disconnected tire buildi ng drums are advanced along the working axis extending through the work stations. The tir e building drums are coupled to an intake server at ...

A method for mounting beads on a tire carcass which is being laid up on tire building drum, particularly applicable to cases wherein the drum has a free end and a n opposite end which is supported by a drum support (or comparable impediment to installing a bead from the opposite end of the drum). The method comprises disposing a first of two bea ds on the drum in an area which is between a carca...

Method and apparatus for precision longitudinal registration of a movable ti re building drum (120,620) to an automated tire building system (100) work station (110,610), wherein the automated tire building system comprises one or more work stations with application drums (112), and the tire building drum is moved longitudinally forward (105 ) into and out of each work station, compressing: provid...

A polyurethane/urea/thiourea latex having a narrow molecular weight polydispersity and sub-micron particle size can be prepared by first preparing a high solids (between about 65% and 74% solids) latex of a polyurethane/urea/thiourea prepolymer, then contacting the emulsion with a chain-extending reagent under such conditions to form the polymer latex.

The present invention is an objective lens of an optical pick-up that converges light beams of two different wavelengths onto the recording layers of optical discs of two different recording densities, respectively. The objective lens includes: a refractive lens whose one surface is divided into a common area and a high NA exclusive area; a light beam of a low NA passes through the common area whi...

A laser driving circuit, which is capable of generating a level driving current corresponding to more than three kinds of laser powers, is disclosed in the present invention. The circuit is provided with the first to third signal generation circuits 110, 120, 130 and a signal combination circuit 140. The first signal generation circuit 110 detects the present output level of a semiconductor laser ...

An objective lens and an optical head including the objective lens for reading information contained on substrates having different thicknesses using laser beams having different wavelengths. The objective lens includes an annular phase shifter for decreasing an aberration of a focused spot of each of the laser beams. The annular phase shifter can be optimally combined with the objective lens havi...

A semiconductor circuit device includes the followings: a substrate; a semiconductor circuit formed on the upper surface of the substrate; a connecting part formed on one side face of the substrate, in which the connecting part is electrically connected to the semiconductor circuit.

A device for monitoring the position of an oil/water contact (OWC, 22 ) between an oil-continuous fluid ( 2 o) overlying a water-continuous fluid ( 2 w) inside a casing pipe ( 7 ). The device includes a transmitter ( 5 ) for a generating an electromagnetic signal (ST) and the transmitter ( 5 ) is provided with electrical energy (G_T) from a voltage signal generator (G). The transmitter (...

Method for determining pressure profiles in wellbores, flowlines and pipelines flowing singlephase and multiphase fluids and use of such a method. The flow is temporarily stopped or restricted with a quick acting valve and the pressure is continuously recorded at a point a short distance upstream, using the Joukowsky equation: Deltap_a=rho u a, where rho(kg/m3) represents the fluid density, u(m/s)...

Treatment of naturally surface-aged polyvinyl chloride articles comprises surface treatment with a solution comprising an organic peroxide and an organic solvent.;

Procédé de traitement d'objets en une composition polymérique comprenant un polymère du chlorure de vinyle, vieillis naturellement en surface, qui comprend une étape selon laquelle on traite, à l'air ambiant, la surface des objets au...

The reducer comprises a crown wheel (30) with internal teeth meshing with planetary reduction gears. It comprises an external crown wheel part (31) fixed in the starter body and an internal crown wheel part (32) mounted coaxially in the external part carrying the internal teeth. Shock absorbing blocks (36) are interposed between the two stop faces provided on the internal peripheral face of the ex...