I add some practice in the real world

Chapter 362 The Coincidence of 361 Integrated Circuits!
The appearance of the wafer is a bit like the disc used in CD players when I was a child, but its actual use is to make semiconductor circuits.

As for the material that makes up the wafer, it is silicon, which is very common in nature.

Silicon dioxide is the building block of quartz, the gravel on the beach, and even the glass in your home.

However, in order to obtain electronic-grade silicon that can be used to make chips, the silicon element must be purified.

The principle is very simple, that is, by heating the sand, separating the carbon monoxide and silicon, and then repeating this process until ultra-high purity electronic-grade silicon (more than 9 decimal places) is obtained.

This process of purifying silicon is called ingot casting in wafer processing. After casting a high-purity silicon ingot, it is cut according to fixed specifications, and then further polished and polished to finally obtain a wafer.

The reason why Chen Jue picked up a cement slab was also because a lot of sand was mixed in the cement manufacturing process. The sand is quartz, which is natural silica.

Originally, it was intended to extract high-purity silicon from quartz (silicon dioxide), which required heating and repeated purification to separate carbon monoxide and silicon.

However, Chen Jue has already mastered the [Material Interference] ability that can be called a BUG, ​​and can penetrate his own power to the atomic level, so there is no need to adopt the traditional heating and purification method.

……

A streak of golden energy spread out from Chen Jue's five fingers, and the cement block in his palm began to melt under the stimulation of the plasma energy, turning into a mass of magma-like matter.

As Chen Jue's spiritual energy penetrated in, the red substance in the palm began to have a layer of dark spots.

These spots are excess impurities in cement, such as calcium carbonate, silicon dioxide and so on.

After removing these unnecessary impurities, the remaining material was melted into a red and translucent substance under the stimulation of high temperature.It looks a bit like the sugar sculpture I saw at the market when I was a child, but it is essentially a piece of extremely pure glass.

However, glass is composed of polycrystalline silicon, which is fundamentally different from single crystal silicon such as wafers.

"It's quite interesting!" Chen Jue smiled, played with the transparent substance in his hand, kneaded it into various shapes like playing with plasticine, and then further strengthened the plasma energy input.

With the continuous improvement of [Material Interference] skills, the molten substance in Chen Jue's palm was further purified soon, and the separated carbon monoxide was ignited by high temperature, and light blue began to ignite outside Chen Jue's palm. flames.

Liu Chengdong, who was watching this scene, was already stunned!

"Fuck!"

"Is God's Temple possessed?" Liu Chengdong kept complaining in his heart.

Chen Jue waved his hands, and after completely igniting the blue flames, he flattened the extracted electronic-grade silicon into a thin wafer on his palm according to his own ideas.

According to the wafer processing flow, the originally extracted electronic-grade silicon needs to be cast into silicon ingots and then cut into slices.

But Chen Jue directly skipped the step of slicing and polishing, and directly turned the refined silicon into wafers.

Just watching the wafer expand and grow, and finally turned into a boxy shape, Liu Chengdong stared at him and asked in surprise: "Boss, this...is this wafer?"

"It should be regarded as a 'wafer' of the opposite sex. You can call it a square. When a wafer is processed into a chip, there will be a waste of scrap area. If it is made into a square, it can be 100% utilized." Chen Jue calmed down. replied.

It should be known that traditional wafer processing, according to its manufacturing process, needs to spin and grow high-purity silicon on a sub-crystal.

However, in doing so, there will be a lot of loss when lithographically etching square chips on the wafer.

Since Chen Jue wanted to help the florists' chip industry speed up, he simply improved the loss process in this step with a big brain.

"Crystal square?"

"Then the size is a bit too big!" Liu Chengdong pursed his lips, and clicked his tongue twice in amazement.

Although he is the deputy director of the aerospace base, and his major is also from the aerospace department, he is also a master's degree, so he has a little understanding of the chip industry.

In Liu Chengdong's impression, the current mainstream wafer processing size is roughly maintained at three specifications of 6 inches, 8 inches, and 12 inches.

High-end chips below the 14nm level mostly use 12-inch wafers.The mid-to-low-end chips with relatively large shipments all use 8-inch wafers.

In short, the larger the size of the wafer, the better, because the larger the size, the more chips can be cut from it.

However, if you want to process large-sized wafers, the loss caused by this is very large, and the processing cost is very high.At present, the highest technology mastered by humans can only mass-produce 18-inch wafers.

But what about the growing crystal square in Chen Jue's palm?

Looking at this posture, the side length of this crystal square is almost 1 meter in size!

1 meter is equivalent to 39 inches, which fully doubles the wafer processing level of human beings!
Where is this processed wafer?

Spreading eggs is not so exaggerated!

……

Playing with the wafer just made, Chen Jue found that when the plasma energy he output was flowing in this single crystal silicon, some of the extremely weak energy seemed to be connected to a power bank with an extremely small storage content. Same.

"This is... electronic signal transmission?" Chen Jue frowned and thought to himself.

The reason why monocrystalline silicon can be made into chips is because it has good signal transmission capabilities. The source of these signals is the movement of electrons in conductors.

However, compared with the traditional strong and weak electricity, the integrated circuit in the chip communicates with smaller microelectronics.

The wafer in the palm of Chen Jue has just been fabricated, and the next step of photolithography has not yet been carried out. The single crystal silicon inside is a whole and no specific circuits have been formed.

Therefore, that part of the electronic signal is transmitted in disorder like a headless fly.

Seeing such a result, Chen Jue knew that the next step would be to etch the pre-designed integrated circuit diagram through the photolithography process, so as to extract individual chips from it.

It's just that chip design, like chip processing, is currently a relatively stuck technology in China. It involves a design tool called EDA.

EDA is known as the mother of chips, translated into Chinese is electronic design automation.

If you want to design a mature and effective chip, you cannot bypass the design software of EDA.

Fortunately, the base's database is very powerful, which contains a lot of chip design drawings at home and abroad. Chen Jue tapped his watch lightly, and retrieved a blueprint of the latest Intel 13th generation i9-13900K on the market. come out.

However, when Chen Jue saw the enlarged circuit diagram of the chip design, his eyes widened slightly, and his mind instantly remembered the environment and background of the "alien" that he had contacted through the five-pillar device before. The same golden moiré copper ban as the circuit diagram!

"Could it be that the lines connecting the plasma energy are similar to this integrated circuit process?"

"Wait...the wiring structure of these EDA design drawings looks so familiar...the combination of solder joints and lines..."

Chen Jue was talking to himself, tapped his watch lightly, and projected the picture of the bird and insect script that he saw before, "Ordered by the sky, long life and eternal prosperity", and the design drawing of the chip manufacturing process Side by side for comparison.

This time, not only Chen Jue was dumbfounded, but even Liu Chengdong who was beside him couldn't help screaming with tingling scalp at this moment: "Damn it! How can it be so similar!"

　The update is coming~ I was a little busy when I was just a baby daddy, and I still have to take care of my wife. I really don’t have time to update the code words. I apologize to everyone.Next, I will adjust it and squeeze out the update time earlier.

　
(End of this chapter)