How to make computers, mobile phones, digital cameras, these electronic products faster, more powerful, smaller power consumption, in the latest issue of the international authoritative academic journal - the United States, "Science" magazine, a semi-floating gate Chinese scientists Transistor research and development has aroused the world's attention, because it is expected to make a breakthrough in the performance of electronic chips breakthrough.
In the Fudan University State Key Laboratory of Microelectronics, we saw the sample of the new structure of the transistor, only from the appearance of it is very common.
Secrets In the naked eye can not see the microstructure, the transistor is the basis for the formation of electronic chips, in the past there are two main categories, one is called MOS transistors, its simple structure is suitable for high-speed computing, but will lose data once the power is off .
Another type of transistor, called a floating-gate transistor, adds an intermediate layer called a floating gate suitable for long-term data retention but much slower.
Over the years, the world's technology and industry want to combine the strengths of these two transistors to make up for their shortcomings but no one has been able to achieve, and now Fudan University's research team took the lead in solving this problem, that is, the structure of the original floating-gate transistor Embedded in a small transistor can control the current.
This speed makes the semi-floating-gate transistor fully meet the requirements of high-speed storage, and it can control the current itself, a transistor can be replaced by multiple transistors in the past composed of circuit units, or save a large number of components such as capacitors in order to achieve more Small faster goal.
It is estimated that at present there are at least hundreds of billions of dollars in the three major fields of computer CPU, memory and digital camera light-sensitive devices. Semi-floating-gate transistor technology can completely improve the performance of these products.
However, Professor Zhang Wei also has concerns: Although they have applied for the core patent, but a large number of application design work must be completed by the enterprise, the chip upstream products are basically monopolized by foreign companies such as Europe, the United States and South Korea, the first time The leading technologies that are mastered by the Chinese are transformed into industrial advantages and require more attention and efforts from domestic enterprises.
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