Flexing the Power of Skin-Mounted Electronics
Posted in News, Electronics, Patient Monitoring, Sensors on Friday, 12 August 2011
Engineers are taking important steps toward a future in which skin-mounted electronics could monitor individuals in a natural environment and even offer the potential for human-computer interfacing — all with the flexibility and comfort of a temporary tattoo.

Researchers at the University of Illinois and Northwestern University recently developed a type of patch with a circuit that bends, wrinkles, and stretches with the mechanical properties of skin. The patches are mounted on a thin sheet of water-soluble plastic, then laminated to the skin with water, like a temporary tattoo.

Waving ‘Jell-O’ to the Next Wave of Biocompatible Electronics
Posted in News, Electronics, Coatings & Adhesives on Friday, 15 July 2011
North Carolina State University researchers have developed a memory device that is soft, functions well in wet environments, and features “the physical properties of Jell-O,” according to Dr. Michael Dickey, an assistant professor of chemical and biomolecular engineering at NC State and co-author of a paper describing the research. The device’s pliable nature and biocompatibility could open up new possibilities for biocompatible electronic devices.
Silicone Cabling
Posted in Products, Electronics on Friday, 01 July 2011
Standard and custom high flex silicone flat cables from Cicoil (Valencia, CA) are free of halogens, do not shed surface particulates, and are water and chemical resistant. The cables are suitable for incorporation into power conductors, shielded signal pairs, video and coax conductors, tubing for air or fluid transfer, and other design elements such as Cicoil’s patented Strip Mount™ fastening strip. The silicone encapsulation provides a solid, one-piece construction that creates a durable cable package with a lifetime of more than 10 million cycles, even under high-speed flexing or tight bending radius conditions. The cables are impervious to water, steam, UV light, and most chemicals, and are suitable for vacuum environments. Cables are available in continuous lengths, cut to order, or as assemblies, complete with connectors.
Compact Connectors
Posted in Products, Electronics on Friday, 01 July 2011
Spectrum Advanced Specialty Products (Fairview, PA) has introduced the Mini-MIL circular connector, a small, lightweight connector that offers space and weight savings with performance equivalent to MIL-DTL-38999. It is available filtered and unfiltered with feed-through or Pi capacitance, and comes in a durable package designed for rugged applications that require high-performance EMI filtering. It is suitable for medical applications where size and/or weight restrictions do not allow for the use of standard-size MIL-DTL-38999 connectors. Custom connectors are available to meet high performance needs.
BGA Socket
Posted in Products, Electronics on Friday, 01 July 2011
Ironwood Electronics (Burnsville, MN) offers a BGA socket for 1.118 mm pitch, 729 pin BGA IC’s. The SG-BGA-6345 socket is designed for 31 × 31 mm package size and operates at bandwidths up to 8 GHz with less than 1 dB of insertion loss. They are designed to dissipate up to several watts without extra heat sinking and can handle up to 100 watts with custom heat sink. The contact resistance is typically 20 milliohms per pin. The socket connects all pins with 8 GHz bandwidth on all connections. It is mounted on the target PCB with no soldering, and is constructed with shoulder screw and swivel lid which incorporates a quick insertion method so that ICs can be changed out quickly. The temperature range is -35 °C to 100 °C. The pin self inductance is 0.15 nH and mutual inductance is 0.025 nH. Capacitance to ground is 0.01 pF. Current capacity is 2 amps per pin.

External Medical Power Supplies
Posted in Products, Electronics on Friday, 01 July 2011
XP Power (Sunnyvale, CA) has introduced the AHM series of external AC-DC power supplies aimed at medical and IT applications. The series comprises 5 single-output ranges of 85, 100, 150, 180, or 250 Watt output, and provides the popular nominal outputs from +12 to +48 VDC. All units are convection cooled, removing the need for any internal forced air flow, which is important for healthcare equipment located close to a patient.
LED Light Engine Platform
Posted in Products, Electronics, Photonics on Friday, 01 July 2011
SCHOTT (Southbridge, MA) has introduced the 2nd generation of LEDgine™ LED light engine platform that now offers twice as much light as before. It was developed for more efficient coupling of LED light into fiber optic bundles, and illuminates active diameters from 3.0 to 6.0 mm. The small diameter is suitable for medical applications. The module includes an integrated fan that ensures optimum cooling for a long lifetime. The light engine is made up of white High Brightness LEDs, which are focused onto the input of the light guide by specially developed focusing optics (patent pending). The separate control electronics have been optimized to lower energy consumption and enable portability when used with rechargeable batteries. It monitors LEDs on the circuit board for over-temperature to ensure that the system remains functional for a long time. The external triggering option can be utilized to make fast movements visible. The light intensity of the LEDs can be continuously dimmed between 0 and 100%. For applications that require the use of an additional filter to cut off a particular wavelength (i.e. for ophthalmic applications), a light guide adapter with integrated filter slider can be mounted onto the optics module.

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