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March, 2019


Hanwha Launches Modular Component Mounters at APEX


Continued from page 1


and marketing — North America, Hanwha. “The market’s response to the


HM series introduction at APEX 2019 exceeded expectations with multiple HM machine order commitments, so- lidifying Hanwha’s position as a glob- al maker of cutting-edge machinery for competitive PCB assembly opera- tions. Hanwha’s portfolio of entry-lev- el, mid-speed and high-speed assem- bly line solutions, combined with intel- ligent software for prediction and pre- vention puts us and our customers on an accelerated path to success, domes- tically and worldwide.” With the HM520 modular


mounter, actual productivity is, re- portedly, the highest among machines of the same class and is optimized for high-quality production. The system can be used to configure a flexible SMT line by applying a modular head and various modes of production. The machine can also help to realize un- manned, non-stop and zero-defect production, using the Smart Factory S/W solution. The high-performance HM520


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offers a compact footprint, auto-cali- brating and maintenance-free feeders, and modular heads. Equipped with the high-speed (HS) head, the system offers 20 spindles per head, two gantries, and can reach speeds up to


80,000 CPH ±25 µm, with Cpk greater than or equal to 1.0, placing a compo- nent range of 008004 (0201 metric) up to approximately 0.24 in. (6 mm). When equipped with the multi- function (MF) head, the system offers


six spindles per head, two gantries, and can reach speeds of up to 60,000


CPH ±30 µm, with Cpk greater than or equal to 1.0, and placing components from 1005 (0402 metric) up to roughly


Hanwha’s HM520 modular component mounters.


2.2 in. (55 mm) in size. Hanwha provides synergistic


SMT assembly solutions, combined with world-class service and support. Solutions include state-of-the-art printing, placement, reflow, and board handling technologies. All systems in- clude installation, training, warranty, 24/7 technical phone support, next- business-day onsite support, next- business-day shipment of emergency spare parts, and free MMI software upgrades for the life of select gear. Contact: Hanwha Techwin


Automation Americas, Inc., 6000 Phyllis Drive, Cypress, CA 90630 % 714-373-4200 E-mail: jonny.n@hanwha.com Web: www.hanwhaprecisionmachinery.com r


Keener Eyesight for Autonomous Vehicles


For all your workbench needs. Continued from page 1


Heterodyne Detectors To achieve this, they imple-


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mented a scheme of independent sig- nal-mixing pixels — called “hetero- dyne detectors” — that are usually very difficult to densely integrate in- to chips. The researchers drastically shrank the size of the heterodyne de- tectors so that many of them can fit into a chip. The trick was to create a compact, multipurpose component that can simultaneously down-mix input signals, synchronize the pixel array and produce strong output baseband signals. The researchers built a prototype,


which has a 32-pixel array integrated on a 0.002 in.2 (1.2 mm2) device. The pixels are approximately 4,300 times more sensitive than the pixels in to- day’s best, on-chip, sub-terahertz array sensors. With a little more develop- ment, the chip could potentially be used in autonomous cars and robots. “A big motivation for this work


is to have better ‘electric eyes’ for au- tonomous vehicles and drones,” says co-author Ruonan Han, an associate professor of electrical engineering and computer science, and director of the Terahertz Integrated Electronics Group in the MIT Microsystems Technology Laboratories (MTL).


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Decentralized design The key to the design is what


the researchers call “decentraliza- tion.” In this design, a heterodyne


pixel generates the frequency beat (the frequency difference between two incoming sub-terahertz signals) and the “local oscillation,” an electri- cal signal that changes the frequency of an input. This “down-mixing” process produces a signal in the megahertz range that can be easily interpreted by a baseband processor. The output signal can be used to


calculate the distance of objects, simi- lar to how LiDAR calculates the time it takes a laser to hit an object and re- bound. In addition, combining the out- put signals of an array of pixels, and steering the pixels in a certain direc- tion, can enable high-resolution im- ages of a scene. This allows for not on- ly the detection but also the recogni- tion of objects, which is critical in au- tonomous vehicles and robots. In order for the system to gauge


an object’s distance, the frequency of the local oscillation signal must be stable. To that end, the researchers incorporated into their chip a compo- nent called a phase-locked loop, that locks the sub-terahertz frequency of all 32 local oscillation signals to a stable, low-frequency reference. Be- cause the pixels are coupled, their lo- cal oscillation signals all share iden- tical, high-stability phase and fre- quency. This ensures that meaningful


information can be extracted from the output baseband signals. This entire architecture minimizes signal loss and maximizes control. Web: www.mit.edu r


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