A semiconductor device has an active layer (2) formed on a semiconductor substrate (1) with different types of junctions, a source region, a drain region, a T-shaped gate electrode (5) in which the cross-sectional area of the upper surface is larger than that of the lower surface, a first dielectric layer (7) covering at least the exposed surface of the active layer, and the gate electrode, and a ...

Method for manufacturing a material for osteoplasty by treating human or animal bone tissue, characterised in that it involves at least one stage of selective extraction and/or denaturation of non-collagenic structure proteins by means of a urea based selective extraction agent.

Neuraminic acid derivs. of formula (I) and (Ia) and their salts are new. A = O, S or C in (I) and N or C in (Ia). R1 = COOH, P(O)(OH)2, NO2, SOOH, SO3H, tetrazol, CH2CHO, CHO or CH(CHO)2. R2 = H, OR6, F, Cl, Br, CN, NHR6, SR6 or CH2X. X = NHR6, halo or OR6. R6 = H, 1-4C acyl, linear or cyclic 1-6C alkyl (or a halo substd. analogue), allyl or aryl (opt. substd. by halo, OH, NO2, NH2 or COOH. R3, R3...

Apparatus and method for on-line precipitation comprising a flow line (1,4,8) including a vortex mixer (5) for combining and mixing reagent flows. The admixed reagent flows are pulsed through an array (11) of vortex cells (12) to cause developement and growth of precipitate as the pulsed flow swirls through the array of cells with constantly reversing rotational direction. Precipitate in the flow ...

The method for the assembly of the feet of a cardboard pallet uses a connection collar washer (1). The washer is made of high resistance compacted cardboard with trapezoidal tabs (2) pre-cut by die stamping (3) and folded in a curved manner (4) perpendicular to the pallet plane (5). The lower annular part of the washer is applied against the pallet surface and the tabs are fixed to the internal f...

A cylindrical stent (10) for placement in a vessel of a human body. The stent has a longitudinal axis and in its formation includes circumferential arcs (12) and diagonal struts (14) having an intersection angle between the circumferential arcs (12) and the diagonal struts (14) within the range of 10 to 80 degrees when the stent (10) is in its non-deployed state. The diagonal struts (14) are joine...

A coated stent, particularly a biocompatible polymeric material coated stent, and a coating process are herein described.

The shield driving machine (100) is therefore fitted with a working chamber (21) to which pressure can be applied by means of a fluid medium and which is sealed against the rear unpressurised section (4) by at least one access lock (27). The working chamber (21) has a downwardly directed aperture (25) which communicates with the mining chamber (3) through which the staff in the working chamber (21...

This invention concerns an industrial procedure for the application of a polytetrafluoroethylene film on aluminium surfaces by means of mechanical-chemical bonding using a specific compound which, on one hand can adhere to a smooth aluminium surface and, on the other, being suitable for producing mechanical-chemical bonding with the P.T.F.E.

A calcium phosphate cement composition is characterized by the use of a phosphate or carbonate solution as a wet reactant. A method of forming the cement includes combining dry ingredients including calcium and phosphate sources, with such a solution.

A process is provided to inhibit trimerization catalyst system activity which comprises the sequential steps of contacting a reactor effluent stream with alcohol; removing any desired olefin products; adding an aqueous base to the non-olefin portion; removing a precipitate; separating the aqueous and organic phases; and adding an acid to the aqueous phase.

PCT No. PCT/EP95/00738 Sec. 371 Date Nov. 2, 1995 Sec. 102(e) Date Nov. 2, 1995 PCT Filed Mar. 1, 1995 PCT Pub. No. WO95/23730 PCT Pub. Date Sep. 8, 1995The pallet shelf system for/in a refrigerator ship has a number of bays (RZ), disposed on both sides of a shelf corridor (1) with a shelving vehicle (2) movable in the corridor, with channel-like supporting and running guides (3) arranged in tiers...

The clamp consists of a base (11) with enlarged section (43) which increases its thickness (7). The enlarged section has, seen in plan view, a part circular shape or is V-shaped with rounded tip of 'V'. A ring (3) on a rod bent into a V-shape can hinge about a pivot point (26) in the enlarged section. One side of the enlarged section (43) has a groove (36) of part circular cross-section which matc...

A pallet (10) of corrugated fiberboard material has floor-contacting spaced, parallel and longitudinal extending base members (11) perpendicularly interconnected at longitudinally spaced intervals by spaced, parallel and laterally extending deck members (12). Each member is constructed from creased and scored rectangular blanks (21) folded to comprise a solid core of adjacent vertically oriented p...

The present invention relates to a process for continuous gas-phase polymerization of olefin(s) in a fluidized and/or mechanically stirred bed reactor, comprising a stage of drawing off the polymer out of the reactor, wherein a portion of the bed is transferred into a lock hopper and is then isolated from the reactor in the lock hopper for a period of 5 to 120 seconds so that a substantial amount ...

A method of controlling product quality in a conversion of reactor feed to an iron carbide-containing product in a fluidized bed reactor. A Mossbauer analysis is performed on product samples leaving the fluidized bed reactor, and a regression analysis is performed on the Mossbauer data. Depending upon the results of the regression analysis, process parameters are adjusted in order to obtain a prod...

A tire vulcanizing mold assembly (M) includes an upper flange disposed in an outer peripheral portion of an upper mold (100) of a tire vulcanizing mold or an upper flange (105a) disposed in the outer peripheral portion of a plate (105) into which the upper mold is assembled, a lower flange (107a) disposed in an outer peripheral portion of a plate (107) into which a lower mold (101) is assembled so...

A pivoting safety razor assembly for holding a blade device (18) has a handle (12) and a flexible member (14) which interconnects the handle (12) with the blade device (18). The blade device (18) defines a cutting edge (66) and the flexible member (14) bends in response to shaving forces to move the handle (12) in a rotational motion about the cutting edge (66).

When scanning an optical record carrier with a diffraction-limited scanning spot (S), the size of the effective scanning spot (S min ) can be considerably reduced by utilising the energy distribution within the scanning spot (S) in combination with a non-linear optical layer (22) in the record carrier (1) so that the resolution is increased both during reading and during writing.

In the present invention, when a tire is vulcanized, a flange (28a) fixed to either one of a top plate (14) of a split mold and a piston rod (23a) tip end of a split mold opening/closing cylinder (23) is held by operating fingers (26a), which are assembled to the other in such a manner as to be capable of oscillating, in the holding direction by the return force of a spring, by which the top plate...