March 03, 2020 Volume 16 Issue 09

Electrical/Electronic News & Products

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'Basics of Static Electricity' white paper from EXAIR

The "Basics of Static Electricity" white paper presents 20 comprehensive and full-colored pages on the causes of static electricity, how it develops, and solutions for combatting it in manufacturing processes. Static electricity is a product of non-conductive materials coming into contact and separating, or creating friction between them, leading to imbalanced ions. EXAIR Static Eliminators restore this balance and assist in maintaining proper process speeds, preventing product damage and injured employees.
Learn more.


Next-gen adaptive resistance welding controller

Bosch Rexroth has launched its PRC7000 family of high-speed automated welding controllers, which feature advanced processors and new software to help manufacturers maximize welding throughput and quality. The PRC7000 provides the highest-quality weld control and ultraprecise adjustment of the welding current to eliminate spatter and expensive reworking. Innovative software tools and a modular design enable up to 90% faster commissioning. The PRC7000 can store up to 10,000 welding programs that can be easily built and selected via a drag-and-drop graphical interface.
Learn more.


M12 connector simplifies sensor and actuator applications

binder USA has announced a new two-piece M12 circular connector that offers versatility with several special features, including a square flange housing for easy assembly and a multi-position, lockable A-coding that supports variable cable installation. The new connectors simplify making secure sensor and actuator connections in applications such as factory automation and robotics.
Learn more.


Thin film resistor for consumer and industrial electronics

Stackpole Electronics' CSRT2512-UP was developed to provide accurate, high-power current sensing for consumer and industrial electronic devices that exceed the capabilities of most 2512 case sizes available in the industry. The AEC-Q200-compliant CSRT2512-UP has unique thin film material properties and processing to provide higher continuous power ratings and higher pulse power ratings than other thin film chip resistors. Benefits include: high performance, high continuous and pulse power handling, and the known high reliability of thin film technology.
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Under-$100 Lidar named CES 2022 Innovation Awards Honoree

Cepton Technologies has been named a CES 2022 Innovation Awards Honoree in the Vehicle Intelligence & Transportation category for its Nova product, a miniature, wide-field-of-view lidar sensor for near-range applications. Nova is designed to help minimize perception blind spots to enhance advanced driver assistant systems and autonomous driving capabilities in modern vehicles. It enables high-res 3D imaging to accurately detect small children, on-road objects, protrusions, and road edges. The giant CES 2022 consumer electronics and technology trade runs Jan. 5-8, 2022, in Las Vegas.
Learn more.
See all of the CES 2022 Innovation Awards Honorees.


Resolve EMI and EMC challenges with Ansys

EMA3D Cable solves complex EMI and EMC challenges related to high-intensity radiated fields, lightning strikes, radiated emissions and conducted susceptibility, and other issues. It is being used to build complete models of cars and planes, including every cable. Ansys HFSS is the world's foremost antenna design and modeling tool. Its comprehensive set of solvers allows engineers to address diverse electromagnetic problems ranging in detail and scale from passive integrated circuit components to extremely large-scale EM analyses, such as automotive radar scenes for advanced driver-assistance systems.
Read this informative Ansys blog.


Upgraded mechanical pressure switch portfolio

NOSHOK's new mechanical pressure switch program has been engineered to address a wider range of applications and provide a significantly expanded selection of process and electrical connection options. Each of the four new NOSHOK switch series offers vacuum, low-pressure, and high-pressure options; is CE compliant to suppress RFI, EMI, and ESD; and is RoHS compliant. In addition, NOSHOK has improved its production efficiency and expanded its inventory to better accommodate orders and provide faster delivery.
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Highest-rated current inductors for automotive Power over Coax systems

TDK's ADL3225VM inductors are for use in automotive Power over Coax (PoC) systems. Measuring 3.2 x 2.5 x 2.5 mm, they provide a compact solution for designers looking to reduce vehicle weight as manufacturers add more sensors and cameras to accommodate expanding automotive and advanced driver-assistance systems (ADAS) applications. The proprietary structural design and wire winding manufacturing process ensure high impedance over a broad bandpass of 1 MHz up to 1 GHz. The inductors are compliant with AEC-Q200 and achieve the highest-rated current in the industry for the 3225 size.
Learn more.


Advanced circulators overcome mmWave design challenges

As communica-tions providers race to deliver on the potential of 5G, research and design projects are already looking toward 6G and beyond. However, a major hurdle awaits the impending move up the millimeter wave (mmWave) spectrum: a lack of acceptable mmWave components that can offer a wide bandwidth. Micro Harmonics has an answer.
Read the full article.


Antimicrobial switches disinfect themselves

Are switches that disinfect themselves too good to be true? It is possible. Antimicrobial coatings inhibit the growth of microorganisms and even kill them. When applied to switches, this technology is perfectly suited for medical technology, sanitation areas, and the food service industry. All completely sealed switches from SCHURTER (piezoelectric, capacitive, or ToF) are perfectly suited for this coating upgrade, which kills microorganisms effectively by oxidation using photodynamic self-purification technology.
Learn more.


Expanded enclosure A/C inventory

Seifert Systems has completed their warehouse expansion, significantly increasing the types and quantity of enclosure air conditioners available. Air conditioners with popular cooling capacities within 1,000 to 21,000 BTU/hr are in stock and ready to ship. Among these are the Progressive, filterless SlimLine, and Compact Series of enclosure air conditioners as well as thermoelectric coolers. Seifert enclosure air conditioners come with a two-year warranty. SlimLine units are only 4.5 in. deep, and many Progressive units share the same size footprint for easier planning when needed for more than one application.
See what Seifert Systems has to offer.


Reversible-flow fans: Directional flow and speed control in one unit

Orion Fans has launched a series of micro-controller-based, up to IP68-rated, reversible-flow fans. By utilizing PWM signals to control fan speed, the fans provide engineers an innovative solution to some of their most challenging cooling requirements: speed and airflow direction controlled by one fan without supplementing excess wires or circuitry. Reversible-flow fans are a specialty design that enables unique applications. You may be surprised at their versatility.
Learn more.


Cool Tools: Leica RTC360 3D laser scanner -- LIDAR for big jobs

The new Leica RTC360 laser scanner available from Exact Metrology makes 3D reality capture faster than ever before. With a measuring rate of up to 2 million points per sec, colored 3D point clouds can be completed in under 2 min. Automated, targetless field registration and seamless, automated data transfer from site to office reduce time spent in the field. The CAD models are generally used for factory/shop floor layout plans, power plant equipment changeouts, proof dimensioning, and much more. In addition to the 3D model, full spherical HDR imagining is appended directly to the point cloud, giving a photo-realistic effect to the data and allowing for virtual walkthroughs of the areas, shareable markups, geo-referencing, and meta-tagging. So many uses.
Learn more.


Eaton developing suite of 48-V technologies to help vehicle manufacturers meet new global emission regulations

Most vehicles have traditionally operated with a 12-V system, but with tightening fuel economy regulations and new, advanced power-consuming components being added, increasing power needs are driving the move toward 48-V systems.
Read the full article.


igus unveils new sensor for smart plastics predictive maintenance

igus has developed a sensor for its smart plastics software that calculates the remaining service life of energy chains, cables, linear guides, and plain bearings during operation. The i.cee:local sensor optimizes the life of the system, detects faults, allows them to be fixed at an early stage, and allows for maintenance to be planned in advance. This sensor can be integrated via the internet or without IoT connectivity via the local network, depending on customer requirements. Smart plastics sensors monitor abrasion, measure the pull/push force, and provide information about an imminent overload.
Learn more.


Even tinier transistors could be made using DNA-like rare earth element

Researchers have discovered that a material called tellurium forms a DNA-like helix when reduced to a string of atoms, as seen by the pink line in this graphic, encapsulated in a nanotube. [Purdue University/Jing-Kai Qin and Pai-Ying Liao]

 

 

 

 

Computer chips use billions of tiny switches, called transistors, to process information. The more transistors on a chip, the faster the computer.

A material shaped like a one-dimensional DNA helix might further push the limits on a transistor's size. The material comes from a rare earth element called tellurium.

Researchers found that the material, encapsulated in a nanotube made of boron nitride, helps build a field-effect transistor with a diameter of 2 nanometers. Transistors on the market are made of bulkier silicon and range between 10 and 20 nanometers in scale.

The research is published in the journal Nature Electronics. Engineers at Purdue University performed the work in collaboration with Michigan Technological University, Washington University in St. Louis, and the University of Texas at Dallas.

Over the past few years, transistors have been built as small as a few nanometers in lab settings. The goal is to build transistors the size of atoms.

Peide Ye's lab at Purdue is one of many research groups seeking to exploit materials much thinner than silicon to achieve both smaller and higher performing transistors.

"This tellurium material is really unique. It builds a functional transistor with the potential to be the smallest in the world," said Ye, Purdue's Richard J. and Mary Jo Schwartz Professor of Electrical and Computer Engineering.

In 2018, the same research team at Purdue discovered tellurene, a two-dimensional material derived from tellurium. They found that transistors made with this material could carry significantly more electrical current, making them more efficient.

The discovery made them curious about what else tellurium could do for transistors. The element's ability to take the form of an ultrathin material in one dimension could help with downsizing transistors even further.

One way to shrink field-effect transistors, the kind found in most electronic devices, is to build the gates that surround thinner nanowires. These nanowires are protected within nanotubes.

Jing-Kai Qin and Pai-Ying Liao, Purdue electrical and computer engineering doctoral students, led the work in figuring out how to make tellurium as small as a single atomic chain and then build transistors with these atomic chains or ultrathin nanowires.

These silver, wiggling lines are strings of atoms in tellurium behaving like DNA. Researchers have not seen this behavior in any other material. [University of Texas at Dallas/Qingxiao Wang and Moon Kim]

 

 

 

 

They started off growing one-dimensional chains of tellurium atoms. Wenzhuo Wu's lab at Purdue synthesized bare tellurium nanowires for comparison. A team led by Li Yang at Washington University simulated how tellurium might behave.

The researchers were surprised to find that the atoms in these one-dimensional chains wiggle. These wiggles were made visible through TEM imaging performed by Moon Kim at the University of Texas at Dallas and Hai-Yan Wang at Purdue.

"Silicon atoms look straight, but these tellurium atoms are like a snake. This is a very original kind of structure," Ye said.

The wiggles were the atoms strongly bonding to each other in pairs to form DNA-like helical chains, then stacking through weak forces called van der Waals interactions to form a tellurium crystal.

These van der Waals interactions would set apart tellurium as a more effective material for single atomic chains or one-dimensional nanowires compared with others because it's easier to fit into a nanotube, Ye said.

Since the opening of a nanotube can't be any smaller than the size of an atom, tellurium helices of atoms could achieve smaller nanowires and, therefore, smaller transistors.

The researchers built a transistor with a tellurium nanowire encapsulated in a boron nitride nanotube, provided by physics professor Yoke Khin Yap's lab at the Michigan Technological University. A high-quality boron nitride nanotube effectively insulates tellurium, making it possible to build a transistor.

Xianfan Xu's lab at Purdue characterized the material's properties with Raman spectroscopy to benchmark its performance.

"This research reveals more about a promising material that could achieve faster computing with very low power consumption using these tiny transistors," said Joe Qiu, program manager for the U.S. Army Research Office, which funded this work. "That technology would have important applications for the Army."

The work was also partly funded by the National Science Foundation, Air Force Office of Scientific Research, and the Defense Advanced Research Projects Agency.

Source: Purdue University

Published March 2020

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