Then, the old expert said excitedly: "At that time, I was also very strange, I felt that Dai Lao was so unreliable this time, knowing that the appraisal meeting was about to be held, why didn't he let us come over in advance to supervise the feeding and heating, could it be that they let the members of our expert group stay here for a few more days, and they are all guests of Feixun Materials Company? Anyway, they don't need to spend money on food and housing? ”

Professor Zhou looked at Jin Songyong in surprise and asked, "Professor Jin, have you really tried many times, and they have all been successful?"

In fact, he asked a bit of a death-threatening question, just think about it, whose new product does not carry out many tests before the appraisal, and who does not have the certainty of nine out of ten, who dares to invite experts from other units to conduct the appraisal? If something goes wrong at the appraisal meeting, won't it embarrass oneself?

Jin Songyong smiled and said: "Nonsense! Or will we push the scientific and technological achievements to Mr. Jiang? It is he who has allowed us to get so many benefits." The crystal growth cycle has been shortened from more than 160 hours to less than 70 hours, which means that we can not only save half the time, but also save more than half of the electricity consumption. This is a huge credit, and if you don't give him the honor, to whom? I know you must have wondered if we were deliberately giving him the honor because we were taking advantage of him, we were making a deal with him, right? Hehe, you old foxes, I know what you think. Dai Lao is so angry with you that you don't show up, and you guys are too much. ”

The mouth said it was "excessive", but the smile on his face did not diminish at all.

Professor Zhou did not admit or deny it, but said with a wry smile: "Professor Jin, can you blame us for this? When did you say that you had met such a young expert, how could you believe that he had mastered such a profound technique without an in-depth understanding, and how could you believe that he was better than us...... , Okay, when I eat, I apologized to Mr. Dai for the wine, and also apologized to Mr. Jiang. ”

Jiang Xinwei said with a smile: "You don't have to apologize to me, right? I was just a fluke, I learned something from others, and I just learned and sold it now." ”

Jin Songyong also smiled and said, "Dai Lao will not let you apologize." At that time, he was just like you, and when he heard that I had worshiped Mr. Jiang as his teacher, his eyes were as wide as eggs. ”

As he spoke, he looked at a man in a dark tunic and said, "Lao Chen, don't be too rigid this time, I believe that if you send someone to build a chip production room with Mr. Jiang and them, you will definitely not suffer, and maybe you can get unexpected benefits." It's a pity that we don't have experts in this area, otherwise we would have cooperated with them and had already engaged in relevant technical negotiations. “

Professor Chen hurriedly said: "We will have a meeting to discuss when we go back, and we will come up with a cooperation plan when we go back." Doesn't the higher authorities now encourage scientific research units to cooperate with enterprises? Doesn't they encourage us to transform scientific research results into products, and we will actively respond to the call of our superiors. ”

Professor Zhou obviously didn't want to listen to things that had nothing to do with his unit, and continued to ask about the question just now: "Professor Jin, in addition to saving half of the crystal growth period, you can also save electricity per unit of time, I seem to have heard something in your words just now, saying that it seems to save more than half of the electricity." ”

Jin Songyong smiled: "You really know how to pick words, hehe." However, you really can't pick my mistakes this time. Yes, the monocrystalline furnace can also save 14% of the energy consumption per unit time, which can reduce the electricity consumption to 97 kilowatts per hour!"

All the experts of the expert group present looked at him stunned, and then looked at Jiang Xinwei.

Professor Zhou hurriedly said: "Can you save 14 percent of energy per unit of time? If you consider shortening the crystal growth cycle of monocrystalline silicon rods, wouldn't a furnace of monocrystalline silicon rods save more than 60 percent of energy?"

Jin Songyong nodded and said, "Now the production of a furnace of monocrystalline silicon rods only consumes 32% of the energy of our old monocrystalline furnace, that is, one-third." ”

Professor Zhou, like everyone else, was stunned and said: "It doesn't matter whether it is identified or not, your single crystal furnace has definitely filled the gap in this field in China." …… Although the monocrystalline silicon rod has not been taken out and cannot be tested, can you tell me about the number of monocrystalline silicon rods you took out before?...... I understand now that you deliberately did not say the relevant number when introducing the technology, it must be like revealing the crystal growth period at this time, you want to surprise us, you want to scare us into a heel, don't you? ”

Everyone laughed.

Jin Songyong smiled and said: "Yes, our new single crystal furnace has many benefits, in addition to greatly shortening the crystal production period, greatly saving power consumption, and more importantly, after adding a heat reflector, the temperature of the crystal growth environment becomes stable, and the temperature difference fluctuates small, and the growth of the crystal is also more stable, and the yield rate of the crystal exceeds 85% on average, and we have tested two furnaces, and the yield rate even exceeds 95%. The reason why Dai Lao didn't come over was not because he was angry that you had misunderstood us, he was in the office dealing with the number of relevant operations and the number of related records, trying to find the real reason for the high yield rate of the two furnaces. ”

The yield rate exceeded 95 percent, and this figure was like a bombshell, which made Professor Zhou and others drunk, and for a while I didn't know whether I should believe this number or not. It is precisely because of the low yield rate and large power consumption that the cost of domestic monocrystalline silicon is much higher than that of foreign countries.

In particular, the price of large-size, high-purity high-grade monocrystalline silicon is very different from the cost in China. Often, the cost of the silicon wafers we produce is several times or even ten times the sales price of foreign countries! You must know that this sales price can include the profits of foreign manufacturers, and their profits are not low, at least more than 50 percent of the profits. That is to say, the production cost of foreign monocrystalline silicon and silicon wafer manufacturers may only be one-tenth or one-tenth of the production cost of monocrystalline silicon and silicon wafers in China.

The most depressing thing is that foreign countries have also imposed an embargo on our country, and high-precision monocrystalline silicon and silicon wafers have not been sold to us, and it is not possible to give money. We can only buy their poor quality, low purity, small size monocrystalline silicon, silicon wafers. It also forces us to grit our teeth and produce our own products regardless of the cost, and we can only catch up with the pace of Western countries step by step at a huge cost.

Jiang Xinwei came with the knowledge of fraud, which naturally greatly shortened the gap with the Western semiconductor manufacturing field.

At this time, the technician who operated the monocrystalline furnace walked up to Jin Songyong and asked, "Professor Jin, the various indicators of the monocrystalline furnace are normal and meet the conditions for opening the furnace, is the furnace open now?"

Jin Songyong looked at the watch on his wrist and said, "Come as planned." …… Be careful, control the furnace pressure, and don't let the hot gas from the furnace burn the experts. ”

"Okay, I know. The technician hurriedly walked over and instructed several workers to prepare for the furnace.

After asking the experts of the appraisal meeting to leave the single crystal furnace and walk to the set safe distance, the technician checked the relevant numbers again, and then confidently walked to the control table and pressed a red button vigorously.

I heard a soft click, and the heavy door slowly opened. As soon as the door opened a crack, a faint white smoke erupted from the furnace, but then disappeared into the air.

Jiang Xinwei, who was standing in the safety zone, only faintly felt a heat wave hit his face.

At this moment, he was also a little nervous looking at the furnace that was still at a high temperature, waiting for the operator to take out the monocrystalline silicon rod.

The technician carefully walked to the door of the furnace with a protective goggle, looked down at the inside of the furnace for a moment, and then looked up and made a "please don't worry" gesture to Kim Songyong, who was also nervous.

The worry on Jin Songyong's face was lost, and he said happily: "Slow down, don't rush, strictly follow the operating procedures." ”

In full view of everyone, the technician waited for another five minutes before directing the workers to take out a blue wand from the inside with the pliers.

This is the monocrystalline silicon rod that everyone cares about!

Because of the same crystal orientation, the light is reflected, and it looks translucent like dark blue or black, which is not at all inconspicuous, and it is not the kind of color that people like at all.

After the monocrystalline silicon rods are removed, they are naturally tested to assess their quality. Quality is a very general term, which involves a lot of content compared to monocrystalline silicon rods, including crystal orientation, purity, resistivity, crystal direction consistency, resistivity uniformity, oxygen content, carbon content, physical size, crack length and depth, etc.

Because this is an appraisal meeting, the staff are ready to take a measurement. Soon after the monocrystalline silicon rod was taken out, it was put on a special transport trolley by a technician wearing heat-resistant gloves, and carefully pushed to the metering room by the workers.

It didn't take long for the surveyor to print out the relevant numbers and hand them to Jin Songyong.

When the test report was handed over, there was obviously a layer of joy on the tester's face that could not be concealed.

Jin Song Yongyan took the measurement report, carefully read it from beginning to end, and then silently handed it to Jiang Xinwei gently.

Jiang Xinwei took the paper, glanced at it, and quietly handed it to Professor Zhou, who was looking at it with his neck pulled next to him, and then said to Jin Songyong, who had a stern face: "Professor Jin, this monocrystalline silicon is good, but its purity is still not enough......"

(Thank you for your attention, please recommend) R1152