主题：【原创】半导体基础知识 -- 南越

成本问题(yield rate)? Heat sink?

氮主要分布在大气中。他应该问地壳中的化学元素的原子数量方面或质量方面的丰富顺序如何。

按数量和质量排出的顺序会有不同。但是呢，就前三名来说，顺序又是不变。

one potential 3D integration solution

we are talking about two things, although both of them cite Moore's Law.

One is computing power per unit cost. That is why we invented 2-core/4-core CPUs.

The other one is transistors per integrated circuit, or, density at minimum cost per transistor. That is "down scale" trend as you mentioned.

Size reduction and paralellism are two things.

In the good days, the downscaling is the most efficient way to "fit" the Moore's law. The doubling of computing power contributes mainly from the clock increment(OK, it might be wrong). Paralellism is more or less an "academic" object.

Since the old good way(downscaling) almost reaches its limit, multi-core(paralellism) emerges as the only choice(?).

记得中学化学课本上提到过

氧, 硅, 铝, 铁, 钙, 钠, 钾, 镁

按照质量计算，地球的元素里面，铁32.1%，氧30.1%，硅15.1%，镁13.9%。

铁多主要是因为地求核心的88%是铁。

地壳里面，第一名的是氧，47%，因为地壳所有的岩石几乎都是氧化物。地壳组成里面，氧化硅占60%，氧化铝15%，氧化钙5%，氧化镁4%。

只算地壳，铁没那么多。村长估计是把地核都算进去了。不过一般这样的讨论都是说地壳的。

地球地壳我都说了。

能否给咱们讲讲“金属绝缘体相变”最近的研究动态，

以前看过几篇文章，但是没看的特别懂，

不知道这个领域最近进展如何？

花候！

得到mm的表扬，就像得到老师的表扬一样，很高兴。

地球村的财产清清楚楚。花您一朵。