Limit of silicon chip size will come: Carbolic accept rice is in charge of or become substitute

Guide language: Basis rub Er is mensurable, the transistor number that can contain on integrated circuit makes an appointment with every other 18 months can increase one times most popular selling memory card digital cameras , because dimension cannot continue,silicon chip is met one day sooner or later contractible and the trend is terminative. Which kinds of material can replace silicon chip? The studies a group newest research positive result of Stanford makes clear, canal of carbolic accept rice can be become probably replace data, this technology can narrow chip the ultimate size to 5 accept rice.

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In the time that influences 10 years next, etch on computer silicon chip circuit predicts to will become harder and harder, the physical dimension because of chip hard infinite decrescent, this makes people seek the status that replaces material to replace silicon chip.

Which kinds of material can replace silicon chip? Partial investigator expresses great expectations to canal of carbolic accept rice. This Zhou Yi, the group of a research of Stanford university demonstrated a simple microelectronics circuit successfully, this circuit is the transistor composition that makes completely with filiform fiber by 44.

Studies the group is held in san Francisco science and technology that comes from Stanford revealed this circuit on the conference. The techni memory laptop toshiba cal progress that they show is when heretofore can prove to reach physical limit when silicon chip dimension most, carbolic accept rice is in charge of what may become a kind of future to replace data.

In manufacturer of each old science and technology, IBM is a proposal one of puissant proponents that use pipe of carbolic accept rice at microelectronics domain, this company expresses already clearly to hope carbolic accept rice is in charge of a technology to will be in next the be all set inside 10 years, the measure that predicts semiconductor chip at the appointed time will be narrow the ultimate size to 5 accept rice. But up to now, the researcher of each university and chip manufacturer returns a can successful ground to be in charge of carbolic accept rice those who be used at alone parts of an apparatus to make, if make transistor,wait.

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The working circuit that the progress of this one technology that Stanford university institute shows indicates the move is complete already was come out by creation, the conference that shows this kind of material may be true reachs the expectation of people.

Silicon is the natural element of a kind of widespread presence, can treat as already conductor, also can treat as dielectric. The lifecycle photograph of silicon chip relatively computer engineer originally the tentative idea had grown tens of year, because although the dimension of transistor is in,generation takes the place of,this is decrescent, but people always has corresponding advanced technology above etch circuit. In computer chip industry, be used at etching the silicon chip of circuit has become even pet free memory laptop toshiba tier than smooth wavelengh, and engineer and scientists believe, the dimension of silicon chip still has the space that continues to narrow, at least current condition is such.

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But, the physical size limit of silicon material can come one day eventually, thereby terminative by rub the microelectronics era that Er law defines. Rub Er law is by one of Intel author Gordon · rub Er (Gordon Moore) put forward 1965, it points out: When the price is changeless, the transistor amount that can contain on integrated circuit about 18 months can turn over every other one time, function also will promote one times.

The progress of this one technology that Stanford university institute obtains supported a kind o most popular selling scooby costume f such belief it seems that: No matter silicon material times when terminative, the technology progress that dimension narrows ceaselessly still can continue, stylist still can continue to improve the performance of computer chip in long-term future.

The year that is in what this week holds at san Francisco " congress of circuit of international solid state " (on International Solid-State Circuits Conference) , the graduate student Marx of Stanford university · Su La's guest (the dais that Max Shulaker) is on to be built temporarily did simple demonstrating, he chose the wood hand of size of a hand, a simple engine and gear plant, open switch, next this wood hand sways red-bloodedly rise.

Although,demonstrate simple, but this group shows, their target is to should make rice of accept of an use carbon be in charge of the complete microprocessor that make, in order to prove the latent capacity of this kind of material. Besides dimension very small beyond, photograph of canal of carbolic accept rice relatively pres memory card digital cameras ent silicon material still has the advantage with feebleminded bad news and switch rapid rate.

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Controller of group of associate professor of engineering of Stanford university electron, Robust Systems Sabuhasi Mitela (Subhasish Mitra) expresses: "(use this data) the province report of systematic level can raise an amount level at least. " he points out, the ability of batteries add boat that this is device of prospective individual shift provide scooby costume d vast promotion space.

Other new material and a variety of silicon base transistor upgrades the technology also is in research in the process. For example, intel began to use a kind of 3D transistor that the name is FinFET last year, this transistor can let the surface of chip can accommodate more transistor, can make the silicon chip of smaller size is had be equal and better performance.

King of · of general of benefit of humble of professor of engineering of Stanford university electron (H. - S. Philip free canon ef 15mm Wong) says: "I am not to say to be able to be used without other material. The problem depends on narrowing when dimension only when very petty degree, which kinds of most popular selling brooch pins material can win out. Which kinds of material can win out..

The challenge that researcher place faces is carbolic accept rice the atomic meeting that the canal interweaves each other comprises giant " Mao Qiu " . Nevertheless, in quartz through chemical method the surface undertakes breeding, researcher can undertake his be permutationed trimly, turn to chip of a silicon next, the photoetching technology of reuse tradition will make working circuit.

After such processing, although have only very few the circuitry of one part can appear arrange irregular phenomenon, but want to make reliable circuit, researcher still faces technical obstacle all the time. This research group of Stanford university shows, they have perfect circuit technology to solve this kind of circuitry to rank irregular difficult problem.

Mitela points out: "Look from slide, the circuitry of 99.5% looks first-rate; But when atomic amount reachs 10 billion level, 0.5% also be a very huge number, enough lets everything become farfetched. Enough lets everything become farfetched..

Basis " science " an article that the magazine published on Feburary 1 this year, besides microelectronics domain, rice canal returns carbolic accept to present a potential application prospect in a lot of other commerce domains, can charge for example frame of batteries, bicycle, hull, solar battery and filter water implement etc. (Zhu Fei)