Similar Articles |
|
Military & Aerospace Electronics October 2004 |
The move to lead-free solders has its own challenges and hidden problems Peak reflow temperature increases and the imperfectly known characteristics of new materials lie at the core of the problem. Will the new finish layer on the lead frame adhere well to the epoxy? Will the epoxy stick to the die face? |
Military & Aerospace Electronics July 2005 Gurnett & Adams |
Lead-free processing involves several board issues As worldwide electronics manufacturing moves slowly and unevenly into lead-free materials and processes, board assemblers should pay attention to six areas of potential problems. |
IEEE Spectrum February 2006 Holonyak & Feng |
The Transistor Laser Ultrafast transistors that output optical and electrical signals open a new computing frontier. |
IEEE Spectrum October 2005 Salvatore Coffa |
Light From Silicon For decades, silicon was a semiconducting dim bulb, but now we can make it into LEDs that match the best made from more exotic materials |
IEEE Spectrum March 2012 Bernie Weir |
The Subtle Circuitry Behind LED Lighting The circuitry behind LED lighting poses tricky challenges |
Military & Aerospace Electronics August 2006 Courtney E. Howard |
Electronics Designers Grapple with Lead-Free Solder Guidelines The European Union WEEE/RoHS directives cause concern in the military and aerospace market as to the availability and reliability of lead-free electronic components. |
Military & Aerospace Electronics December 2006 Gurnett & Adams |
Taming the Gallium Arsenide Dicing Process A 2-inch gallium nitride wafer puts a thin film of GaN on a diamond base. One application: high-power, high-frequency power amplifiers. |
Popular Mechanics January 27, 2010 Adam Hadhazy |
17 Projects Shaping the Future of LED Lights The Department of Energy announced $37 million in grants earlier this month in its sixth round of funding for solid-state lighting. The cash will go toward basic research, product development and manufacturing of light-emitting diodes and carbon-containing organic light-emitting diodes. |
Military & Aerospace Electronics October 2007 Gurnett & Adams |
The danger of hybrid-solder boards If a hybrid board fails in military or aerospace applications, the consequences could be severe. |
National Defense September 2009 Jean & Erwin |
Higher Prices and More Failures Predicted for Defense Electronics All electronics from Europe are required to be made with lead-free solder. However, U.S. defense and aerospace users have documented over $1 billion of damage resulting from failure of the lead-free electronics. |
Military & Aerospace Electronics December 2005 Powers & Penglase |
Using DC-DC Converters in Mobile-Based Ground Equipment As designers incorporate increasing amounts of sophisticated electronics into industrial and military vehicle-based applications, high-density DC-DC converters have evolved to keep pace. |
Military & Aerospace Electronics May 2009 J.R. Wilson |
Electronic thermal management is heading to the wall Systems designers who are used to boosting electronic system performance by adding ever-more transistors may have to rethink their design approaches. |
Military & Aerospace Electronics April 2005 Coble & Dela Garza |
Can optoelectronics go from practical to tactical? Many automakers have already begun to deploy optoelectronics into their automotive systems in sensors, dashboard displays, motion and position sensing. Such technologies may find their way into military and aerospace products. |
Military & Aerospace Electronics July 2007 Ben Kuster |
CFD Analysis Delivers Impressive Savings for Electronics Thermal Design Computational-fluid-dynamics software is an invaluable thermal-analysis weapon for the electronics design arsenal. At VT Miltope Corp., it saves weeks of development time and thousands of development dollars-even on small projects. |
Military & Aerospace Electronics March 2008 Gurnett & Adams |
Achieving Reliability with Lead-Free Solders Experts believe lead-free solders can achieve the same high levels of component and system reliability that military and aerospace users have become accustomed to during 50 years of tin-lead solder use. |
Military & Aerospace Electronics December 2008 Tom Adams |
Standard Gives Guidance for Alloy Conversion Using Hot-Solder Dip Military and aerospace received allowance to continue to use lead solder. However, the elimination of lead soldered components by electronics companies has left the military and aerospace unable to buy components on the market. |
IEEE Spectrum August 2008 Neil Savage |
Cheaper LEDs Possible by Growing Gallium Nitride on Silicon Engineers take a step toward cheaper solid-state lighting. |
IEEE Spectrum March 2007 Prachi Patel Predd |
Beyond Blue High-definition DVD movies and players based on blue lasers have only just arrived on the market, but already a new generation is in sight, promising another fivefold increase in storage density. The key to making UV-emitting devices is likely to be zinc oxide. |
Chemistry World September 2, 2013 Simon Hadlington |
New ceramic can handle the heat Researchers in the UK have created a new ceramic oxide with tunable thermal expansion: it can expand, contract or remain unchanged in response to heat depending upon the proportion of key components used to make it. |
Military & Aerospace Electronics February 2008 |
Nextreme Offers Electro-Optics and Microelectronics Cooler for Military Applications Nextreme Thermal Solutions is introducing the Ultra-High Packing Fraction (UPF) OptoCooler thermoelectric module for cooling and temperature-control requirements for electronics, medical, military, and aerospace applications. |
Military & Aerospace Electronics February 2007 John McHale |
Thermal-management challenges highlight Military Technologies Conference 2007 U.S. Department of Defense and industry experts to discuss thermal and power management at the Military Technologies Conference (March 27 and 28, 2007) in Boston. |
Reactive Reports Issue 40 David Bradley |
Lighting Up with Nanowires Semiconductor nanowires are beginning to emerge as rather versatile building blocks for creating photodetectors, LEDs and lasers |
Military & Aerospace Electronics April 2007 Gurnett & Adams |
Merging the Functionalities of Silicon, and III-Vs: Two Promising Approaches One of the least flexible rules in electronic design is the need to keep silicon devices, and compound semiconductor devices separate. Two new developments are now threatening to make this rule partly or entirely obsolete. |
IEEE Spectrum March 2007 Michael Riordan |
A New Blue Laser Two groups have just announced a new kind of solid-state laser that emits bright blue-violet light, raising hopes of getting green. |
Chemistry World April 2010 |
LEDs to light up the world White light emitting diodes are set for a bright future in the household and commercial lighting markets. |
Military & Aerospace Electronics April 2009 Tom Litrenta |
Thermal Simulation Reduces Cost of Stacked Module Potting Compound 50 Percent Early thermal simulations helped C-MAC MicroTechnology discovered that junction temperatures on a stacked module ranged up to 125 degrees and needed increased thermal resistance. |
Military & Aerospace Electronics July 2006 John Keller |
Could RoHS Mean the End of COTS as we Know it? The electronics industry's move away from using solders containing lead is setting up a clash between private industry, both here and in Europe, and the U.S. military that may well lead to the end of the COTS era as we have come to know it. |
PC Magazine January 12, 2005 Bill Machrone |
It's Cool to Be Cold You actually can touch the tip a couple of seconds after you've soldered a joint and not burn yourself. |
Chemistry World September 18, 2015 Dannielle Whittaker |
Connecting electrodes with light illuminates electrochemistry Scientists in Australia have lit the path towards replacing wires in electrochemical devices by using visible light to create electrical currents on a stabilized silicon semiconductor electrode. |
IEEE Spectrum January 2011 Richard Stevenson |
LED Lighting: Blue + Yellow = White Giving LEDs the blues was the key to replacing the incandescent bulb |
Chemistry World January 30, 2009 Phillip Broadwith |
White LEDs to Plummet in Price Home and office lighting using white LEDs is one step closer to becoming reality now that researchers in Cambridge have developed technology which could slash the cost of their production. |
Chemistry World October 9, 2011 Phillip Broadwith |
Growing gallium nitride LEDs on glass Korean researchers have grown crystalline gallium nitride on the surface of amorphous glass. The idea could lead to new, scalable ways of making semiconductor devices that don't need to be grown on silicon or sapphire wafers. |
Home Toys April 2005 Frank Geissler |
Now, Your Home Will Call You When There's a Problem While away, temperatures in your home or business will be carefully monitored, and you will automatically be notified via telephone whenever there is a dramatic on-site change in ambient temperature or other conditions. |
Chemistry World February 2, 2015 Tim Wogan |
LEDs slim down with atom thick materials Heterostructures containing mixtures of atom thick layers have been used to create LEDs |
Military & Aerospace Electronics January 2007 John McHale |
Lead-Free Evaluation and Protocol in Lineup for 2007 Military Technologies Conference Department of Defense (DOD) and industry experts will discuss procedures and methods for dealing with lead-free compliance. |