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22nm transistor

26.12.2012

Specialists of the Institute of Microelectronics of the Chinese Academy of Sciences (IMECAS) in Beijing have created a field-effect transistor with a gate length of 22 nm. The transistor uses HKMG (high-K metal-gate) technology. The development is said to be the key to creating more advanced chips, which will allow China to save on imports of high technology and increase the competitiveness of Chinese chips in the global market.

Project participants note that they managed to achieve "world-class performance and low energy consumption." Recall that Intel, which has the most advanced technologies for the production of microcircuits, now produces processors using 22-nanometer technology. Major contract manufacturers such as TSMC and Globalfoundries have not yet commercialized such technologies and are now manufacturing products in 28nm.

For many years, China was unable to gain access to advanced semiconductor manufacturing technologies, as their export from Western countries was limited first by the activities of the CoCom committee, and then by the terms of the Wassenaar Arrangement. However, by supplementing its own developments with licensing, China has managed to move quite far.

Currently, the leading Chinese semiconductor contract manufacturer Semiconductor Manufacturing International manufactures products using 40nm technology. Up to 65 nm, the company developed technical processes independently. To avoid the expense of building its own 45nm technology, SMIC licensed it from IBM in late 2007. In 2008, the Chinese manufacturer included in its plans the development of 40 and 32 nm standards.

Work on the creation of 22-nanometer transistors was started in China in 2009 as one of the main national scientific projects.

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DJI ATV with Stabilized Camera 27.12.2019

Leading drone manufacturer DJI appears to be working on a new product that is significantly different from its current devices. The company has patented a small all-terrain vehicle equipped with a camera with stabilization.

According to the document, the "ground drone" is a platform with wheels, tires with treads and a suspension with active and passive shock-absorbing elements. All this provides mechanical stabilization of the camera when driving on uneven surfaces. The image below is not just a schematic drawing, as is commonly found in patent applications. It looks like a detailed drawing of a real device.

It is not yet clear what such a rover is intended for, but there are several assumptions. It can be used for rescue, military, research or production tasks, as well as for the provision of services for the delivery of goods. Its main advantage over conventional drones is autonomy.

If DJI were thinking about expanding its arsenal of products, such a drone on wheels would come in very handy. By the way, the company already has one robot on a wheeled platform called Robomaster S1. The patent may describe a device from this series.

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