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Page 8


www.us-tech.com Continued from page 1


new solutions, and solutions become mutual success.” This close collaboration among


Printed Circuit Boards from Prototype to Production


the group’s companies has resulted in a versatile facility where cus- tomers can feel free to ask technical questions, to learn from the compa- ny’s experts, and to conduct experi- ments with a low barrier to entry. One of the goals of the lab is to foster community in the area and to facili- tate discussion, even between com- petitors, which can benefit the elec- tronics industry as a whole. The laboratory is spa-


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cious and well-equipped, con- taining two Comet PCT plas- ma chambers, four YXLON X-ray machines, and a dedi- cated ebeam electron beam technology lab. RF power technology controls plasma processes, which are fre- quently used to etch semicon- ductors during IC fabrication. The lab’s X-ray and CT capa- bilities, including YXLON’s Cheetah, Cougar, MU2000-D, and FF35 CT systems, cover a wide range of non-destruc- tive inspection applications, allowing customers to spot ex- pensive defects quickly. The electron beam lab is


October, 2017 Comet’s Brainstorming Lab


lined the state of the global semicon- ductor market and projected its fu- ture. By 2025, he stated, the semicon- ductor industry is expected to reach $600 billion. These devices are power- ing massive growth in such markets as the industrial IoT, big data applica- tions, memory and server farms, and artificial intelligence (AI). Comet Group CEO René


Lenggenhager said that for the Swiss company, the new lab represents a fundamental shift from supplier to partner. The location in San Jose is intended to provide speed and agility


From left: Michael Kammerer, president of Comet PCT, Paul Smith and


René Lenggenhager, with YXLON’s FF35 CT system.


used to manipulate materials at the molecular level. A tungsten cathode, sitting at negative high-voltage in an extremely high vacuum generates free electrons once a current is passed through it. When a high volt- age is applied, these electrons blast toward a window of thin titanium foil. The electrons that pass through the foil collide with the target mate- rial and create free radicals — mole- cules with unpaired valence elec- trons. Electron beams can be used in sterilization — destroying the bio- matter on a surface — in curing and digital printing applications, or to bond materials to one another. While electron beam technology


is by no means new, this easy access to well-designed machines and systems that cost only a few hundred thousand dollars, rather than double-digit mil- lions, is something special. Lab One’s ribbon-cutting, on Oc-


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tober 4, 2017, was attended by execu- tives from each of the three branches of the company, lab staff, customers and colleagues from around the world, and the mayor of San Jose. Ajit Manocha, president and CEO of inter- national trade association SEMI, headquartered in nearby Milpitas, gave a keynote presentation that out-


to match, as consultant Craig Arcuri put it, the “beyond-frenetic pace” of product development in Silicon Val- ley. Time-to-market is the one of the largest factors in success or failure for many companies in the electron- ics market today. If a new concept cannot be honed and turned into a finished product and marketed quickly, it is as good as dead. Today, Swiss interests account


for the seventh largest foreign in- vestment in the United States, bol- stered now by Comet Group’s signifi- cant presence in Silicon Valley. The new facility streamlines the compa- ny’s customer interactions, by allow- ing them direct access to experts in each of Comet’s three fields. Lab One assists large OEMs with specific R&D requirements, contract manu- facturers with product design ques- tions or problems, and startups that lack the budget to access such a cal- iber of equipment and expertise. The new lab provides an invaluable op- portunity for many companies in the world’s technology capital. Contact: Comet Group Lab One,


3055 Orchard Drive, San Jose, CA 95134 % 408-325-8770 E-mail: paul.smith@cometusa.com Web: www.comet-group.com r


Air-Sensitive Semiconductors Studied for Nanoelectronics


Continued from page 1


reasons behind this. They studied GaSe by means of Raman spec- troscopy and X-ray photoelectron spectroscopy that proved the exis- tence of chemical bonds between gal- lium and oxygen. Photoluminescence in oxidized substances was absent, which proves the formation of oxides. This means that GaSe oxidizes quickly in air and loses its electrical conductivity, necessary for creating nanoelectronic devices. GaSe monolayers become oxi-


dized almost immediately after being exposed to air. Further research of GASe stability in air will allow for proposals of how to protect it and


maintain its optoelectronic properties. According to Rodriguez, for


GaSe not to lose its unique proper- ties, it should be placed in a vacuum or inert environment. For example, it can be applied in encapsulated de- vices that are vacuum-manufactured and then covered with a protective layer, eliminating air penetration. This method can be used to pro-


duce next-generation optoelectronics, detectors, light sources, and solar batteries. Such devices of ultra-small size will have very high quantum ef- ficiency, i.e. they will be able to gen- erate large electron fluxes under small external exposure. Web: www.tpu.ru/en r


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