Scanning Electron Microscopes (SEMs) — the semiconductor industry's tools of choice for examining surface structures on wafers — are being challenged by ever-smaller semiconductor line-widths, reports Test & Measurement World. Increasing beam voltage can boost resolution, but could also damage some samples. In addition, increased beam voltage causes the beam to penetrate into the sample, so that the sample surface itself is not being accurately imaged. Now, one company has debuted what it calls an eXtreme High-Resolution (XHR) SEM, which utilizes SEM technology, while also leveraging Focused Ion Beam (FIB) technology. As seen in this interactive demo, the XHR SEM achieves high resolution and high contrast without resorting to increased voltages.

FUTEK Advanced Sensor Technology, Inc. is pleased to present its LSB200 S-Beam Jr. Load Cell with a brand new USB Digital Interface with 16 bits resolution. FUTEK's USB Sensor Solution provides an easy "Plug & Play" with basic software making the System Integration even simpler.

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While many ICP® microphones can tolerate temperatures to 120° C, their associated microphone preamplifiers typically can't handle temperatures above 70° C. To meet the demanding conditions of automotive under-hood use, a new high-temperature measurement system has been qualified to 120° C for the complete microphone and preamp system. The system also incorporates Transducer Electronic Data Sheet technology to minimize setup time.

Researchers have developed a sensor that can not only detect a variety of different chemicals in liquids or gases, but can operate without a battery. It's constructed much like a conventional RFID tag, but also incorporates a chemically-sensitive film. An RFID reader wirelessly supplies the power to activate the chip. No battery means dramatically smaller sensor size and cost.

Researchers have discovered that adding a single atom to a nanowire — or removing one from it — completely changes its magnetic state. This curious effect, moreover, is totally reversible. Harnessing these properties could lead to switching applications on the atomic scale, or logic gates composed of magnetic wires. Nanotechweb explains...

Selecting the optimum Hall IC for portable electronics involves a number of considerations: logic output, sampling period, ESD immunity, and dynamic compensation are some. This Electronic Products tutorial presents three popular applications and recommends the correct Hall IC configuration for each.

Able to withstand high shock and vibration while maintaining reliability and accuracy, the R-Series SSI linear position sensor is ideal for motion simulation, metal forming, and machine tool applications. The absolute position feedback feature allows for reduced set up time, consistent product output, and greater productivity. Learn more.

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Sensors used in underwater applications — whether in shipbuilding, monitoring undersea cable, or structures on the sea floor — face a difficult life due to corrosion. This pressure sensor is built from stainless steel and further protected by a thin, pore-free, vapor-deposited coating of polyxylylene. The abrasion-proof coating is resistant to fungal decay, chemicals, and radiation.

Thermocouples are one of the workhorses of temperature measurement. But as this archived story points out, they are subject to a creeping form of de-calibration that lessens accuracy over time, i.e., drift. Learn how materials science and a strategy of self-validating sensors (SVS) can counteract this unrelenting problem.

A wide-dynamic-range CMOS camera sensor has been developed for automotive applications like lane-departure warning, active braking, and other vision-based driver-assist systems. The device features a 1024 x 512 pixel wide-angle format and fully programmable dynamic response.

High-Definition (HD) video is the format of choice for broadcast. It also offers numerous advantages for industrial applications where improved resolution — in medical imaging, for example — can pay critical dividends. The performance parameters of one new video chip in particular are well suited for industrial, medical, and broadcast applications alike.

IRD annually manufactures hundreds of thousands of custom sensor tubes and pedestals for a variety of world class customers, each with their own exacting set of tolerances and customer-specific materials. From critical flatness specs of .000004 in., to surface finishes better than 20/10, IRD Glass continues to rise to every challenge.

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