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New Nonmetallic Wire for Use in MRI & X-ray Environments
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An ideal signal has no phase noise, harmonics nor spurious frequency components associated with it. Unfortunately the ideal signal does not exist in the real world, and these factors degrade the ...Read MoreAn ideal signal has no phase noise, harmonics nor spurious frequency components associated with it.
Unfortunately the ideal signal does not exist in the real world, and these factors degrade the spectral
purity of all real world signals to some degree. High‐performance microwave signal generators are
designed to maximize spectral purity, with very low levels of phase noise, harmonics and spurs, while
maintaining general purpose flexibility. The levels of spectral purity performance are one of the key
differences between high‐performance, mid‐range and low‐end or entry‐level signal generators. This
paper discusses the factors that make up spectral purity specifications to help you make more informed
comparisons of microwave signal generator performance for test and measurement applications.
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Engineers often want to know whether an adhesive is low outgassing or generic. And while there are cases when nothing but a low outgassing product will do, the truth is that many so-called generic ...Read MoreEngineers often want to know whether an adhesive is low outgassing or generic. And while there are cases when nothing but a low outgassing product will do, the truth is that many so-called generic adhesives inherently have low outgassing levels. What's more, most bonding, potting, encapsulation and sealing applications don't need to meet a defined outgassing specification. Here's a guide to understanding when low outgassing adhesives are the right choice.
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Companies Mentioned in this Press Release:Business Categories Mentioned in this Press Release: PRESS RELEASE FOR MORE INFORMATION, CONTACT: Art Henn, 314-878-9190 Fax: 314-878-9558 E-mail: info@marktek-inc.com Website: www.marktek-inc.com FOR IMMEDIATE RELEASE Chesterfield, MO, January 2012 New NonmetallicWire for Medical Devices in the Presence of MRIs and X-rays To further meet the needs of themedical and EMC communities, Marktek Inc. announces the expansion of its lineof Fibreohm nonmetallic, resistive wires. Fibreohm wires consist of mostly nonmetallic, conductive cores, rangingin linear resistances from 2 ohm/cm up to 200,000 ohm/cm and insulated with variously colored PVC. The newest additions to the line are FO102T6R, which has a linear resistance of 300-400 ohm/cm, and FO103T6R, which has a linear resistance of around 600 ohm/cm. Both wires possess ODs of 1.3 mm, although most Fibreohm wires are thinner than that diameter. Because Fibreohm wires are totally nonmetallic or contain little metal, they are radiotransparent and can be used as leads for various, patient-connected devices in the presence of both MRIs and X-rays. Similarly, since Fibreohm wiresinteract minimally with electromagnetic fields, they are utilized inelectromagnetic field probes, meters, and antennas. Fibreohm wire is available on spools up toseveral hundred feet in length. Fibreohm is a trademark of MarktekInc.
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With relatively few progressions in conventional optical microscopy during the past decade, pushing through the physical limitations of these systems has proven to be challenging. Despite this ...Read MoreWith relatively few progressions in conventional optical microscopy during the past decade, pushing through the physical limitations of these systems has proven to be challenging. Despite this stand-still, engineers have recently been able to develop solutions to some of the limitations in modern microanalysis. Using an integrated design approach, digital microscopes have been developed to overcome many of the shortcomings of conventional optical microscopes. Specifically, in regard to ceramics, one of the major difficulties in observing and analyzing these materials is the complete lack of contrast typically associated with them, especially when viewed through a traditional optical microscope. However, by using the advanced features of fully-integrated digital microscopes, coupled with highresolution zoom lenses and digital camera technology, users can now image samples that were previously relegated to the realm of an SEM.
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Management systems are sometimes misunderstood as nothing more than a heavy administrative burden providing limited business benefit. Many organizations with management systems in place have not ...Read MoreManagement systems are sometimes misunderstood as nothing more than a heavy administrative burden providing limited business benefit. Many organizations with management systems in place have not effectively defined the processes, and have not put the required measurements in place. Perhaps it is because they think "ISO 9001 is separate from how we run the business," and limit their management system to simple checklists and work instructions. By maintaining these beliefs, organizations are missing out on significant opportunity. Increasingly, customers and stakeholders are not satisfied with basic compliance – they are looking for less reliance on procedures, and more focus on risk management.
The process approach to auditing means shifting focus away from basic compliance to embrace an "improvement" mindset. When activities and related resources are managed as a process, the desired results can be achieved more efficiently.
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