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Smart Cameras

The EyeCheck Thermo smart camera from EVT (Karlsruhe, Germany) features 8 inputs/outputs and a tolerance of up to 24V. Available resolutions include 320 × 240 (EC Thermo 800) and 640 × 480 (EC Thermo 1000). The camera’s uncooled microbolometer LWIR array has a spectral band of 8 to 14 μm. Other features include a programmable FPGA; integrated ZYNQ board (Raze1-30); GigE, RS232, and LVDS interfaces; M12 connector with IP65 housing; two micro USB ports; and image processing software. A thermal imaging command set supports drag-and-drop programming. For Free Info Visit: http://info.hotims.com/55596-151

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Frame Grabbers

AVC-2 frame grabbers from VRmagic (Mannheim, Germany) transmit converted digital signals in real time via composite, Y/C, or Svideo, in monochrome or color mode. The VRmAVC-2 is supplied with power via its USB connection and is available as an OEM model and model with housing. The integrated 64 MB memory ensures a stable operation. The VRmD3AVC-2 and VRm- DAVC-2, based on the intelligent camera platforms, perform image processing tasks fully autonomously. The D3 frame grabber VRmD3AVC-2 features a dual-core chip with floating point unit (FPU) running Ubuntu Linux. Peripherals, including a monitor via HDMI, can be connected directly; equipment can be controlled via RS232 or GPIOs. For Free Info Visit: http://info.hotims.com/55596-153

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CMOS Cameras

Andor Technology (Belfast, Ireland/Concord, MA) has announced the Zyla 4.2 PLUS Scientific CMOS (sCMOS) camera. The Zyla 4.2 PLUS delivers a sustained 53 fps at full resolution through a USB 3.0 interface. New on-camera intelligence offers linearity improvements, providing quantitative measurement across the full dynamic range. The 4.2-megapixel camera, coupled with <1 e- read noise and 33,000:1 dynamic range, includes application-specific modes which adapt the rolling shutter scan mode to applications such as Scanning Light Sheet Microscopy and Line Scan Confocal imaging. FCS Mode provides a speed of 26,041 fps from a 2048(h) × 8(v) region of interest. For Free Info Visit: http://info.hotims.com/55596-154

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CMOS Cameras

SMARTEK Vision (Cakovec, Croatia/New London, CT) has added GCP2061 and GCP2046 models to its Giganetix Plus camera series. The new industrial cameras are equipped with the Sony Pregius Exmor IMX250 and IMX252 sensors. With a high dynamic range of 70.9 dB and a readnoise value of 2.3 e-, the models support outdoor and traffic-monitoring applications. The cameras have a resolution of 3.2 or 5.1 megapixels at a pixel size of 3.45 μm. A variable-speed shutter function, a variety of exposure methods, a maximum of 64 definable regions of interest, and external trigger modes all enable application control and image transmission. Additional features of the Giganetix Plus series include fully GigE Vision-compliant hardware and driver interfaces, Windows- and Linux-compatible Giganetix GigE Vision SDK, and the use of industrial connectivity standards. For Free Info Visit: http://info.hotims.com/55596-155

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Stable, Flat Packaging Concepts for Large Detector Arrays

Applications include packing of back-illuminated and delta-doped arrays without damage to sensitive surfaces. NASA’s Jet Propulsion Laboratory, Pasadena, California A ceramic vacuum chuck is used to hold large detector arrays flat while being attached parallel to a rigid substrate. Once held in the vacuum chuck, the component is typically seized by epoxy against a rigid substrate. The problem that interferes with this operation happens when the epoxy spreads to places where it is not wanted, even into the gap between the component and its vacuum chuck, and over electrical contacts that are intended for wire bonding.

Posted in: Briefs, TSP, Manufacturing & Prototyping

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Dual-Polarized W-Band Metal Patch Antenna Element for Phased Array Applications

Interlaced transmit/receive all-metal patch elements eliminate the need for discrete isolators and increase efficiency.W-band active phased array antennas have a very small inter-element pitch (≈2 mm). In this innovation, instead of trying to integrate isolators into the unit cell to separate transmit and receive signals, an interlaced triangular grid of metal patch elements has been developed. The isolation between transmit elements and receive elements has been demonstrated to be on the order of 25 dB or more, precluding the need for discrete isolator circuits. Using metal patch technology, the element and associated interconnect loss has been demonstrated to be 0.5 dB at 94 GHz, which represents an efficiency of 89%.

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High-Temperature Superconducting Bolometric Devices on Amorphous Silicon Nitride Membranes

Applications include defense-related infrared launch detection and night vision. NASA’s Jet Propulsion Laboratory, Pasadena, California There has been a great deal of interest in building bolometers from hightemperature superconductors due to their high transition temperatures and the associated ease of cooling. High-temperature superconducting (high Tc) bolometers are difficult to fabricate because the standard method of thermal isolation is not compatible with these materials. A method is described that allows a standard thermal isolation technique (using amorphous silicon nitride membranes) to be used with high-temperature superconductors.

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