Mechanical Components

Inside Story: The Role of the SFFs in Rugged HPEC Computing

For more than 30 years, Aitech has worked with its customer to develop high reliability embedded systems for rugged commercial, military, defense and space applications. Recent company initiatives have focused on the integration of Intel-based rugged PCs and GPGPUs into small form factors, meeting the growing need for inherent security features within hardware platforms and advancements in power, processing and communications in mission-critical systems. Here we talk with Doug Patterson, VP of Global Marketing for Aitech to look at how shrinking system size, coupled with increasing computing density, is impacting embedded computing design principles.

Posted in: News, Aerospace, Defense, Board-Level Electronics, Computers, Electronic Components, Electronics, Electronics & Computers, PCs/Portable Computers, Manufacturing & Prototyping, Joining & Assembly, Mechanical Components, Simulation Software, Software, Inspection Equipment, Instrumentation, Measuring Instruments, Monitoring, Test & Measurement

LASER World of PHOTONICS, Day 3 — Unusual Exhibits

Wandering through five exhibition halls filled with cutting-edge technology, you see a lot of lasers, optics, cameras, test & measurement systems, and production equipment. But just when you think you’ve seen it all, you occasionally come across something quite unusual and completely unexpected.

Posted in: News, Blog, Automotive, Cameras, Imaging, Machinery, Mechanical Components, Lasers & Laser Systems, Optical Components, Optics, Photonics, Automation, Robotics, Instrumentation, Measuring Instruments, Monitoring, Test & Measurement, Automotive, Transportation

Broadband 1.2- and 2.4-mm Gallium Nitride (GaN) Power Amplifier Designs

The US Army Research Laboratory (ARL) has been working with Raytheon to design efficient, broadband, linear, high-power amplifiers and robust, broadband, low-noise amplifiers for future adaptive, multimodal radar systems. Raytheon has a high-performance, W-band, gallium nitride (GaN) fabrication process and a process design kit (PDK) that ARL used to design low-noise amplifiers, power amplifiers, and other circuits for future radar, communications, and sensor systems. After the first set of ARL and Raytheon designs was submitted for fabrication, test designs of broadband Class A/B power amplifiers were developed. While these designs did not get fabricated in the initial effort, they serve to demonstrate the performance, bandwidth, and capability of this GaN process and could potentially be fabricated in the future.

Posted in: Articles, Aerospace, Defense, Electronic Components, Power Management, Power Supplies, Mechanical Components, RF & Microwave Electronics, Semiconductors & ICs

Electrical Characterization of Crystalline UO2, THO2 and U0.71TH0.29O2

Tracking and identifying radiation sources in the age of nuclear proliferation and well- resourced non-state actors is a national priority. Current neutron detection methods favor large detector volumes and long data collection times. Additionally, portable neutron detection methods have persistent problems with low signal-to-noise (small pulse height) and require large applied voltages.

Posted in: Briefs, Aerospace, Defense, Materials, Mechanical Components, MEMs, Semiconductors & ICs, Data Acquisition, Detectors, Sensors

The FACE™ of Military Modernization

U.S. rival countries have been rapidly modernizing their militaries, with publicized advances that pose credible challenges to U.S. supremacy in all aspects of warfare: air, land, sea, space and cyberspace. On January 19, 2018 Secretary Mattis discussed the National Defense Strategy and emphasized the need to modernize key capabilities to address these threats. He stated: “To keep pace with our times, the department will transition to a culture of performance and affordability that operates at the speed of relevance. Success does not go to the country that develops a new technology first, but rather, to the one that better integrates it and more swiftly adapts its way of fighting. Our current bureaucratic processes are insufficiently responsive to the department's needs for new equipment. We will prioritize speed of delivery, continuous adaptation and frequent modular upgrades.”

Posted in: Articles, Aeronautics, Aerospace, Aviation, Data Acquisition, Defense, Mechanical Components, Data Acquisition, Sensors, Software

Coating Technology Enables Effective Missile Countermeasures

Heat-seeking missiles have been in use against both rotorcraft and fixed wing aircraft since the mid-1950s, and countermeasures to deceive their guidance systems have been employed for nearly as long. Typically, countermeasures operate by generating a strong infrared signature which confuses the missile tracking system. At the heart of these systems is some form of powerful infrared emitting source. Often this source requires optical coating(s) to perform wavelength filtering needed for optimum operation. However, both the mechanical configuration of the thin film filter coatings used and the operating extremes to which they are subjected present challenges for the manufacturer.

Posted in: Articles, Aerospace, Defense, Manufacturing & Prototyping, Coatings & Adhesives, Materials, Machinery, Mechanical Components

Matrix-Free Assisted Laser Desorption Ionization Using Metal-Organic Frameworks

Matrix-assisted laser desorption/ionization (MALDI) is a soft ionization technique that is widely applied in the characterization of large biomolecules using various mass spectrometry (MS) analyzers, specifically, time-of-flight (TOF) analyzers. The MALDI process involves the deposition of an analyte solution onto a metal substrate before the addition of a matrix. The matrix/analyte dry spot is exposed to a UV laser, and the laser energy that is absorbed by the matrix/analyte is converted into heat energy that initiates charge transfer, which results in the desorption of the matrix and analyte molecules in ionized form. The positive ions are then accelerated through a vacuum into MS analyses.

Posted in: Briefs, Aerospace, Defense, Materials, Metals, Mechanical Components, MEMs, Data Acquisition, Sensors, Inspection Equipment, Instrumentation, Measuring Instruments, Monitoring, Test & Measurement

Panoramic Thermal Imaging Technology

SPYNEL sensors are passive wide area surveillance systems with automatic intrusion detection and tracking capabilities. The 360° thermal sensors offer 24/7 situational awareness by detecting and tracking an unlimited number of targets in real time, on land, air and sea. HGH Infrared Systems recently won a multi-million contract from a leading shipyard, to equip three new warships with the latest generation of SPYNEL panoramic thermal cameras.

Posted in: Articles, Aerospace, Defense, Cameras, Imaging, Mechanical Components, Optical Components, Optics, Detectors, Sensors

New Products: June 2019 Aerospace & Defense Technology

Lange Couplers

The construction and port orientation of the Lange Coupler from SemiGen (Londonderry, NH) makes it useful as both a power combiner and splitter for RF and microwave applications. It is a specific type of directional coupler, which allows passive coupling of a defined amount of electromagnetic power. The sweet spot for Lange Couplers has traditionally been UHF to Q-band; the limit becomes frequency. Substrate height and strip width are inversely related to frequency, increasing loss due to the reduced amount of metal available to act as a conductor.

Posted in: Products, Aeronautics, Aerospace, Aviation, Defense, Batteries, Board-Level Electronics, Computers, Electronic Components, Electronics, Electronics & Computers, PCs/Portable Computers, Power Management, Power Supplies, Materials, Fastening, Joining & Assembly, Machinery, Mechanical Components, Motors & Drives, Positioning Equipment, Automation, Robotics, Inspection Equipment, Instrumentation, Measuring Instruments, Monitoring, Test & Measurement, Testing Procedures

Machining Titanium Aero-Frames

The rise of titanium for aerospace applications has been well documented in recent years. Equally, the challenges associated with the efficient, productive and high-quality machining of this popular material, have also been a topic of debate and scrutiny. Of course, every machine shop wants optimized performance from its cutters when milling titanium, but this can prove less than straightforward without the right technology and know-how in place. Today, however, thanks to a breakthrough in this area, things are beginning to change.

Posted in: Articles, Aerospace Manufacturing and Machining, Aeronautics, Aerospace, Aviation, Consumer Product Manufacturing, Custom & Contract Manufacturing, Industrial Controls & Automation, Manufacturing & Prototyping, Rapid Prototyping & Tooling, Materials, Metals, Joining & Assembly, Machinery, Mechanical Components