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Single Board Computer

Advanced Digital Logic (ADL) (San Diego, CA) has announced its ADLQM67PC Sandy Bridge single board computer. The ADLQM67PC features the Intel Core™ i7 processor. The i7 processor integrates Intel’s HD Graphics 3000 engine with AVX (Advanced Vector Extensions), as well as memory controller functions. The QM67 Platform Controller Hub (PCH) provides PCI-Express I/O bandwidth at 5 Gbps.

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Vapor Chambers

Advanced Cooling Technologies (ACT) (Lancaster, PA) has developed a vapor chamber that allows for higher density electronic component installation. ACT vapor chambers are planar heat pipes used to spread concentrated heat, with thermal conductivities exceeding that of copper interface materials. By designing vapor chambers out of a copper-plated ceramic casing, the coefficient of thermal expansion (CTE) can be matched to that of the high-heat-flux silicon semiconductor materials for direct bonding. The ACT vapor chamber has an evaporator wick structure that handles heat fluxes up to 500 W/cm2. The overall resistance of the vapor chamber is less than 0.12 °C-cm2/W. The devices also work in conjunction with natural convection, forced convection, or liquid cooling.

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High-Temp Cable Assembly

Meggitt Sensing Systems (San Juan Capistrano, CA) has introduced the Endevco® model 3075M6-XXX hardline cable assembly, offering performance up to +482 °C (+900 °F). Offered with a hermetically sealed design for resistance to corrosion, humidity, and other harsh environmental conditions, the 3075M6-XXX is constructed with a fiberglass jacket over a 304L stainless steel outer sheath, preventing inadvertent signal grounding.

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OpenVPX™ Signal-Processing Modules

New 3U and 6U OpenVPX™ modules from Mercury Computer Systems (Chelmsford, MA) support Electronic Warfare/Signals In telligence (EW/SIGINT) applications. The modules de tect electronic transmissions from opposing forces in missions ranging from radar targeting suppression to counter-IED. The modules can be configured with radio frequency (RF) tuners, or into advanced Application Ready Subsystems™ (ARS™) as part of larger EW/SIGINT systems.

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Ethernet Switch Card

Ballard Technology (Everett, WA) has introduced the MPR-ES-1, a 10-port managed/unmanaged Ethernet switch PMC for embedded use. The rugged COTS switch is suitable for both conduction and convection (air) cooled systems.

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Epoxy

Formulated with a blend of polymeric and inorganic materials, a two-component epoxy from Master Bond (Hackensack, NJ) can be used in bonding, sealing, casting, and coating applications. Serviceable over the temperature range of -60 °F to 250 °F, EP30LTE-LO cures at room temperature, with 85% of its maximum strength developed within 48 hours. Faster cures are possible at elevated temperatures. The 100% reactive epoxy features a low coefficient of thermal expansion of 12×10-6 in/in/°C and a low shrinkage rate of less than 0.0002 in/in. The product creates bonds with a tensile strength of over 5,000 psi. The electrically insulative system resists thermal cycling and chemicals including water, fuels, and many acids, bases, salts, and organic solvents. The epoxy has a working life of up to 60 minutes for a 200-gram mass.

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Polymer Membrane

To comply with spilled materials regulations, Durabak-M26, a single-component, slip-resistant chemical- and petroleum-resistant product from ADI Technologies (McLean, VA), seals porous concrete, thereby enabling the proper cleanup in the event of a spill that may potentially leak to the soil and cause damage to the environment. The polyurethane system bonds to the wall area to provide a seamless, leak-free, and repairable membrane.

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Bellows Assembly

Servometer® – PMG, LLC (Cedar Grove, NJ) has introduced an athermalization, or “atherm,” temperature-sensitive bellows assembly. The lightweight assemblies have thin-walled, electrodeposited nickel soldered to custom end pieces. The end pieces are filled with a working fluid and then sealed.

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Avionics Cables and Connectors

TE Connectivity (TE) (Berwyn, PA) has developed new cable and connector offerings to support Ethernet data rates. The products handle IEEE 1394, USB, and a range of speeds from 1 GbE through 10 GbE. The TE connectors, which support UAVs, helicopters, missiles, and soldier systems, will include high-speed, small-form-factor circular and rectangular connectors in sizes as small as nanominiature. Termination methods involve mechanical crimp, solder, and high-retention- force removable clamps.

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DC/DC Converters

The QMJ Series of DC/DC converters from Contech (Concord, CA), a division of Calex, offers up to 20 Watts of fully regulated output power. The series offers a 4:1 input range with nominal input voltages of 24 VDC and 48 VDC. Single outputs offered are 3.3, 5, 12, and 15 VDC. Dual outputs are ±12 and ±15 VDC.

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