Shadowing Practice: The Semiconductor Production Process Explained Clearly - Learn English Speaking with Video

Ders oluşturuluyor...
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Humble sand.
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This is what the building blocks of the future are made of.
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But making them is a long process compromising a great many steps.
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First, the silicon dioxide in the sand has to be converted into pure silicon.
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After that, it is cut into wafer -thin disks.
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In Dresden, these raw wafers are 300 millimeters in diameter and less than a millimeter thick.
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In our clean room, up to 35 ,000 chips are then made from each of these disks.
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In numerous process stages, the wafers are given their characteristic surface structure.
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After coating with a photoresist layer, the wafer surface is exposed, developed, and etched.
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This results in the desired conductor structure.
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Such structures are hundreds of times finer than a human hair.
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Dopants are then implanted in the material to increase the electrical connectivity of parts of the semiconductor. In subsequent phases,
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this and other process steps are repeated until the entire layout of the chip has been deposited on the wafer.
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This involves heating the wafer to more than 1 ,100 degrees Celsius, in some cases up to 27 times.
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Up to 200 measurements are done, and up to 26 exposures.
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All in all, this can mean as many as 700 processing steps and 14 weeks processing time.
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Once this is completed, the microchip is assembled from as many as 30 such layers, like a mini skyscraper.
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Each layer has its own function.
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Interconnecting them makes the microchip highly complex.
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Semiconductor chips, the building blocks of our future.
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Gölgeleme, başlangıçta profesyonel tercüman eğitimi için geliştirilen ve çok dilli Dr. Alexander Arguelles tarafından popüler hale getirilen, bilim destekli bir dil öğrenme tekniğidir. Yöntem basit ama güçlüdür: ana dili İngilizce olan bir sesi dinler ve hemen yüksek sesle tekrar edersiniz — konuşmacıyı 1-2 saniye gecikmeyle takip eden bir gölge gibi. Pasif dinleme veya dilbilgisi alıştırmalarının aksine, gölgeleme beyninizi ve ağız kaslarınızı gerçek konuşma kalıplarını eşzamanlı olarak işlemeye ve yeniden üretmeye zorlar. Araştırmalar, telaffuz doğruluğu, tonlama, ritim, bağlı konuşma, dinleme anlama ve konuşma akıcılığını önemli ölçüde geliştirdiğini göstermektedir — bu da onu IELTS Konuşma hazırlığı ve gerçek dünya İngilizce iletişimi için en etkili yöntemlerden biri yapar.

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