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Federal Regulations for Medical Devices: Excel Partnership offers a free pocket guide of FDA Quality System Regulation (QSR) Part 820 of Title 21 of the Code of Federal Regulations for Medical
Devices. Medical device manufacturers are required to have in place a system for the design, production, and service of commercially distributed medical devices in the United States. The 32-page guide should be used in conjunction with interpretation of the QSR. Circle No. 61 on Reader Service Card. UHV Scanning Probe Instruments:
Free 24-page product guide from OMICRON groups systems and instruments according to techniques and applications. The four sections of the booklet are multitechnique SurfaceScience UHV systems; scanning probe microscopes, such as variabletemperature SPM, low-temperature STM, large-sample SPM, and UHV AFM/STM; electron and ion spectroscopy/microscopy, including XPS, UPS, ISS, AES, SAM, SEM, and LEED; and sample preparation and thin-film growth such as sputter sources and evaporators. Website: www.omicron-instruments.com. Circle No. 69 on Reader Service Card. X-Ray System for Coating Thickness Measurement: The Fischerscope XDL from Fischer Technology is designed for measuring coating thickness and coating composition on single coatings, binary alloy coatings, ternary alloy coatings, double coatings, double coatings with one alloy layer, and triple coatings. Analysis can be done on alloys containing up to four elements. Three models are available: one with a fixed specimen support plate and fixed x-ray tube mounting, one with a manually adjustable XY table and motorized tube height adjustment, and one with programmable XYZ travel. Circle No. 62 on Reader Service Card. Chemical Inventory Software: Professional Analytical and Consulting Services' Chemical Inventory Plus provides managers with access to their chemical inventory and resources. Resources include instrument types and numbers, vendors, and maintenance records. The database provides immediate status of IUPAC name, CAS number, common and bottle names, formula, amount, reordering, user names, hazard code, personal and service notes, and vendors. Data can be printed on labels or in reports based on storage area, total stock, or classes of stock. Circle No. 68 on Reader Service Card.
MRS BULLETIN/JULY 1998
mon analyses for environmental, industrial chemicals, life sciences, chiral, NIOSH methods, and petroleum. Website: www. jandw.com. Circle No. 66 on Reader Service Card. Aspheric Mirrors: Lambda/10 produces custom aspheric mirrors for use in beam expanders, telescopes, and other applications. The mirrors improve image quality and collimation in applications with a narrow FOV. Convex and concave masters can be produced for optics with diameters up to 40 in. (~1.0 m) Zerodur™ Synthetic Metal Alloys: Chesapeake is the blank material used, but materials Composites' DSC™ aluminum billets are 3 in. (-7.62 cm) diameter and 6 in. (~15.2 cm) such as silicon, copper, and aluminum can also be worked. All elements are cuslong. The traditional metal alloy
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