AGM Thumbtack™ Valves for Small Enclosures: Smaller and Drier

Sensitive equipment such as optics and electronics can be damaged by humidity and condensation. Placing moisture-sensitive equipment inside a sealed enclosure reduces the risk of damage, but temperature and pressure variations can be problematic for a sealed enclosure if it does not have a pressure-relief mechanism.

Posted in: White Papers, Defense, Electronics, Electronics & Computers, Instrumentation
Read More >>

Tailor-made Computing Solutions Require Diverse I/O Functions

More than ever, users from industry and transportation expect the full system solution, but no longer want to have to worry about the cumbersome configuration and integration of individual hardware components and adapting the software. There is a very simple reason for this: the system supplier of their choice reduces the time to market and is also responsible for the entire system at the same time.

Posted in: White Papers, Communications, Electronics, Electronics & Computers, Electronics & Computers, Software
Read More >>

Stackable Form-Factor Peripheral Component Interconnect Device and Assembly

Applications include fault-tolerant computing systems, high-speed data acquisition, embedded servers, and intelligent transportation systems.

The invention is a design for a peripheral component interconnect (PCI) local bus controller and target in a PC/104-Plus form-factor. The design uses a flash-based field programmable gate array (FPGA) to provide immediate functionality from power-on to avoid delay after power is applied. It can be reprogrammed from connectors directly on the board, and is able to both receive and drive the clock for system and local peripherals, allowing it to function as either a PCI bus host controller or PCI target device interface. Fully compliant with the PC/104-Plus specification, the design has associated schematics and Gerber files in a vendor-ready state. The design was developed to support ongoing research in fault-tolerant computing systems.

Posted in: Briefs, Electronics & Computers, Architecture, Communication protocols, Computer software / hardware, Computer software and hardware, Architecture, Communication protocols, Computer software / hardware, Computer software and hardware
Read More >>

Self-Healing Wire Insulation

Microcapsules release healant that repairs minor cuts, nicks, and abrasions.

NASA’s Kennedy Space Center is seeking commercial partners for licensing or further development of a novel high-performance, flexible, low-melt polyimide film with self-healing properties. The self-healing properties of the film are provided by embedded microcapsules containing a solvent-soluble polyimide. When cut or otherwise damaged, these capsules release their contents, which dissolve and heal the damaged area.

Posted in: Briefs, Electronics & Computers, Wiring, Wiring, Product development, Adhesives and sealants, Coatings Colorants and Finishes, Coatings, colorants, and finishes, Insulation, Polymers
Read More >>

Vibration Damping Circuit Card Assembly

NASA’s Marshall Space Flight Center has developed a particle impact damper (NASA damper) that can be used in circuit card assemblies to reduce vibrations encountered during space vehicle launch. The damper, filled with high-density metallic beads, is attached to printed circuit boards (PCBs) and printed wiring assemblies (PWAs) to dissipate vibrations and improve component reliability and robustness. Testing has demonstrated an order-of-magnitude reduction in observed peak vibration response, and dramatic improvement in circuit component life span. The NASA technology provides simple and inexpensive vibration reduction for sensitive heritage or commercial off-the-shelf (COTS) electronics in applications where the vibration environment is either severe or exceeding its original design envelope. The technology can benefit heritage hardware in a wide range of applications as a retrofitted upgrade, or can be incorporated into the design of new circuit cards.

Posted in: Briefs, Electronics & Computers, Dampers and shock absorbers, Dampers or shock absorbers, Computer software / hardware, Computer software and hardware, Computer software / hardware, Computer software and hardware, Vibration, Vibration, Launch vehicles
Read More >>

Development of a Metallic Bilayer Liftoff Mask

A large variety of cryogenic detectors need to be fabricated on thin dielectric membranes in order to have high signal-to-noise attributes. Unfortunately, many of the etching processes used to define the detectors can roughen or even completely dissolve the membranes. These types of membrane damage degrade the detector performance and limit fabrication yield.

Posted in: Briefs, Electronics & Computers, Sensors and actuators, Sensors and actuators, Product development, Coatings Colorants and Finishes, Coatings, colorants, and finishes, Copper, Corrosion, Materials properties, Titanium
Read More >>

How to Manage Heat in Modular, COTS Enclosures

As components shrink, embedded systems have made their way into smaller and more mobile applications. Systems need to withstand more intense vibration, shock and EMI parameters and still function effectively. All of this affects the ruggedization of enclosures.

Posted in: White Papers, Defense, Electronics, Manufacturing & Prototyping
Read More >>

High Reliability Crystal Oscillators

Saelig Company, Inc. (Fairport, NY) has announced two new ranges of military specification crystal oscillators, designed for use in applications that demand high reliability. Available in industry standard dual-in-line packages, the new EQXO-1000BMK and EQXO-3000BMK clock oscillators feature a custom-designed quartz crystal and a CMOS/TTL compatible hybrid circuit mounted on a ceramic substrate. The frequency range available is from 200kHz to 200MHz, with a calibration tolerance of ±30ppm at 25°C and a frequency tolerance of ±100 to ±50ppm over the full military temperature range from -55 to +125°C (±100 to ±30ppm over industrial temperature range from -40 to +85°C).

Click here to learn more

Posted in: Products, Electronics & Computers
Read More >>

Fanless Embedded Computers

ADLINK Technology (San Jose, CA) released its new Matrix MXE-5500 Series of fanless embedded computers, featuring 6th generation Intel® Core™ i7/i5/i3 processors, and delivering rich I/O, and easy device access, all in a compact package. The MXE-5500 Series sustains reliable performance at -20°C to 70°C (Extended Temperature Option), shock up to 100G, and vibration up to 5 Grms. ADLINK’s MXE-5500 Series offers single-side access I/O featuring 2x DisplayPort + DVI-I, 4x GbE, 6x COM, 4x USB 3.0+4x USB 2.0, and 8x isolated DI/O. Storage options are also extremely flexible with 2x 2.5“ hot-swappable SATA III, 1x M.2 2280, and 1x CFast w/ RAID support.

To learn more, click here

Posted in: Products, Electronics & Computers
Read More >>

RF Connectors

Design engineers can now leverage the utility of a 38999 format high-speed RF connector in harsh environment applications, following PA&E's (Wenatchee, WA) release of its new hermetic 38999 BMA (Blind Mate Attach) RF connector line. These new high-performance BMA connectors are available in laser-weld or jam-nut configurations with 1, 2, 4, 6 or 8 contacts. Six key-way patterns and 11-80, 17-75, 21-48, 21-75, 23-06 and 25-08 shell sizes are also available. All formats provide RF performance of ≤1 db insertion loss at 18 GHz and have a hermetic leak rate of ≤1x10-9 cc He@1 ATM.

Click here to learn more

Posted in: Products, Electronics & Computers
Read More >>

The U.S. Government does not endorse any commercial product, process, or activity identified on this web site.