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289305 results about "Ultimate tensile strength" patented technology

Ultimate tensile strength (UTS), often shortened to tensile strength (TS), ultimate strength, or Ftu within equations, is the capacity of a material or structure to withstand loads tending to elongate, as opposed to compressive strength, which withstands loads tending to reduce size. In other words, tensile strength resists tension (being pulled apart), whereas compressive strength resists compression (being pushed together). Ultimate tensile strength is measured by the maximum stress that a material can withstand while being stretched or pulled before breaking. In the study of strength of materials, tensile strength, compressive strength, and shear strength can be analyzed independently.

Method of forming a wire package

A method for making a wire package for use as staples or brads is recited as forming a plurality of round wires, forming a plurality of flattened bonding sides on each wire to prepare even bonding surfaces on each wire and bonding each wire to an adjacent wire by adhering the surfaces of each wire. Each staple includes two or more flat surfaces to improve the bonding strength of each staple. A package of diverging staples or brads are formed using the flat bonding surfaces
Owner:LIAO CHASE

Methods and Scatterometers, Lithographic Systems, and Lithographic Processing Cells

In a method of determining the focus of a lithographic apparatus used in a lithographic process on a substrate, the lithographic process is used to form a structure on the substrate, the structure having at least one feature which has an asymmetry in the printed profile which varies as a function of the focus of the lithographic apparatus on the substrate. A first image of the periodic structure is formed and detected while illuminating the structure with a first beam of radiation. The first image is formed using a first part of non-zero order diffracted radiation. A second image of the periodic structure is foamed and detected while illuminating the structure with a second beam of radiation. The second image is formed using a second part of the non-zero order diffracted radiation which is symmetrically opposite to the first part in a diffraction spectrum. The ratio of the intensities of the measured first and second portions of the spectra is determined and used to determine the asymmetry in the profile of the periodic structure and / or to provide an indication of the focus on the substrate. In the same instrument, an intensity variation across the detected portion is determined as a measure of process-induced variation across the structure. A region of the structure with unwanted process variation can be identified and excluded from a measurement of the structure.
Owner:ASML NETHERLANDS BV

Pulse oximeter probe-off detector

A processor provides signal quality based limits to a signal strength operating region of a pulse oximeter. These limits are superimposed on the typical gain dependent signal strength limits. If a sensor signal appears physiologically generated, the pulse oximeter is allowed to operate with minimal signal strength, maximizing low perfusion performance. If a sensor signal is potentially due to a signal induced by a dislodged sensor, signal strength requirements are raised. Thus, signal quality limitations enhance probe off detection without significantly impacting low perfusion performance. One signal quality measure used is pulse rate density, which defines the percentage of time physiologically acceptable pulses are occurring. If the detected signal contains a significant percentage of unacceptable pulses, the minimum required signal strength is raised proportionately. Another signal quality measure used in conjunction with pulse rate density is energy ratio, computed as the percentage of total energy contained in the pulse rate fundamental and associated harmonics.
Owner:JPMORGAN CHASE BANK NA

Adhesive Patch Systems and Methods

Various embodiments of the present invention are directed to patches for medical devices. In various embodiments, an adhesive patch of a medical device may have selective areas with adhesive material of varying adhesion strengths. In other embodiments, an adhesive patch of a medical device may include adhesive material that may be activated by a catalyst to increase or decrease the adhesion strength of the adhesive material. In further embodiments, a medical device may include a pierceable membrane containing an agent, the pierceable membrane positioned to be pierced by a needle and to cause some of the agent to be carried to the user-patient.
Owner:MEDTRONIC MIMIMED INC

Metrology Method and Apparatus, and Device Manufacturing Method

Methods are disclosed for measuring target structures formed by a lithographic process on a substrate. A grating or other structure within the target is smaller than an illumination spot and field of view of a measurement optical system. The position of an image of the component structure varies between measurements, and a first type of correction is applied to reduce the influence on the measured intensities, caused by differences in the optical path to and from different positions. A plurality of structures may be imaged simultaneously within the field of view of the optical system, and each corrected for its respective position. The measurements may comprise first and second images of the same target under different modes of illumination and / or imaging, for example in a dark field metrology application. A second type of correction may be applied to reduce the influence of asymmetry between the first and second modes of illumination or imaging, for example to permit a more accurate overly measurement in a semiconductor device manufacturing process.
Owner:ASML NETHERLANDS BV

Biocompatible implant and use of the same

InactiveUS20060252981A1Good biological affinityStrong enoughImpression capsEye implantsRough surfaceBiological body
The present invention provides an implant capable of being cellularized in treatment of an injured organ or tissue in organisms. The present inventors found that a biocompatible implant comprising a biological molecule and a support is capable of being cellularized. The implant can be used instead of conventional implants which essentially comprise cells. The present invention provides a biocompatible implant comprising A) a biological molecule and B) a support. The present invention also provides A) a first layer having a rough surface, B) a rough surface; B) a second layer having a strength which allows the support to resist in vivo shock. The first layer is attached to the second layer via at least one point.
Owner:CARDIO

Multi-angular fastening apparatus and method for surgical bone screw/plate systems

A fastening apparatus includes a fastener and a fastener receiving member. The apparatus enables the fastener to be affixed to the fastener receiving member at a variable insertion angle selected by the user. The fastener includes an elongate section and an adjoining head section. Both the elongate section and the head section are threaded. The fastener receiving member includes one or more apertures through which one or more corresponding fasteners can be inserted. Each aperture includes a contact region formed or disposed on an inside surface defining the aperture. The contact region includes a porous matrix of protrusions or fiber metal having a density and strength sufficient to render contact region tappable by the thread of the head section of the fastener. The thread on the head section is driven into the contact region at the selected insertion angle. As a result, the thread of the head section taps into the material of the contact region such that the fastener is affixed to the fastener receiving member and maintained at the insertion angle.
Owner:THE UNIV OF NORTH CAROLINA AT CHAPEL HILL
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