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Product Preview: SEMICON West


ASM and RIT Strengthen R&D Partnership

By Michael Skinner, Associate Editor

ZEISS intros next-gen focused ion beam scanning electron microscope for research and industry. Product Preview be- gins on…

Page 64

Matric: Full Product Lifecycle Support

Rochester, NY — Pushing the con- ventional boundaries of academia, while building on an almost two- decade-long relationship, ASM As- sembly Systems has expanded its partnership with Rochester Institute

of Technology (RIT). The company is supplying equipment and a dedicat- ed engineer to operate the universi- ty’s Center for Electronics Manufac- turing and Assembly (CEMA) lab. RIT’s CEMA lab, under the di-

rection of Dr. Martin Anselm, is a so- phisticated manufacturing space lo-

cated in the university’s college of ap- plied science and technology (CAST). Like the technology it houses, the lab is a flexible facility that serves RIT’s students, ASM’s research and devel- opment efforts, and the local commu- nity. Installed earlier this year, ASM’s DEK Horizon printer and SIPLACE SX2 placement machine, overseen by ASM engineer-in-resi- dence Jeff Schake, form the backbone of the lab’s state-of-the-art produc- tion line. In a celebratory event held June

21, 2017, in Rochester, New York, ASM and RIT representatives, along

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Matric's engineers differenti- ate the EMS company from competitors; Juki upgrades Motion Sensors' equipment to be world-class. Section begins on…

Page 20 This Month's Focus: Test and Automation

Quasiparticles Could Lead to Faster Circuits

From left: Dr. Martin Anselm, director of RIT’s CEMA; Mark Ogden, marketing manager, ASM Americas; Jeff Timms, managing director of ASM Americas; and Dr. Manian Ramkumar, interim dean of RIT’s CAST.

New Prospects for Universal Memory

Exatron increases thermal test efficacy; Akrometrix de- fines shadow moiré measure- ments; DfR Solutions grap - ples with copper pillar chip interconnects. Special Fea- tures begin on…

Page 50

Moscow, Russia — Researchers from Moscow Institute of Physics and Technology’s (MIPT) Center of Shared Research Facilities have found a way to control oxygen con- centration in tantalum oxide films produced by atomic layer deposition. These thin films could be the basis for creating new forms of nonvolatile memory. The paper was published in the journal ACS Applied Materials & Interfaces. Because data storage and pro- cessing solutions are so central to to-

day’s technology, many research teams and companies are pursuing new types of computer memory. One of their major goals is to develop univer- sal memory — a storage medium that would combine the high speed of RAM with nonvolatility of a flash drive. A promising technology for cre-

ating such a device is resistive switching memory, or ReRAM. It works by changing the resistance across a memory cell as a result of applied voltage. Since each cell has a high- and a low-resistance state, it can be used to store information as zeros and ones. A ReRAM cell can be realized as

a metal-dielectric-metal structure. Oxides of transition metals such as hafnium and tantalum have proved useful as the dielectric component of this layered structure. Applying volt- age to a memory cell that is based on these materials causes oxygen mi-

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Ames, IA — Zhe Fei points to the bright and dark vertical lines run- ning across his computer screen. This nano-image, he explains, shows the waves associated with a half- light, half-matter quasiparticle mov- ing inside a semiconductor. “These are waves just like water

waves,” says Fei, an Iowa State Uni- versity assistant professor of physics and astronomy and an associate of the U.S. Department of Energy’s Ames Laboratory. “It’s like dropping a rock on the surface of water and seeing waves. But these waves are exciton-polaritons.” Exciton-polaritons are a combina-

tion of light and matter. Like all quasi- particles, they’re created within a solid and have physical properties such as energy and momentum. In this study, they were launched by shining a laser on the sharp tip of a nano-imaging sys- tem aimed at a thin flake of molybde-

num diselenide (MoSe2), a layered semiconductor that supports excitons. Excitons can form when light is

absorbed by a semiconductor. When excitons couple strongly with pho- tons, they create exciton-polaritons. It’s the first time researchers

have made real-space images of exci- ton-polaritons. Fei says that past re- search projects have used spectroscop- ic studies to record exciton-polaritons as resonance peaks or dips in optical spectra. Until recent years, most stud- ies have only observed the quasiparti-

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