Chapter 43 New Progress in Components The Manmeng soldiers reacted

When he arrived at Yangchang's office, Zhang Zhimu didn't expect that Yangchang would surprise him.

After Yangchang poured a glass of water for Zhang Zhimu, he took out a small matchbox with a smile, handed it to Zhang Zhimu and said, "Mr. Zhang, look at this thing!" ”

Zhang Zhimu took the matchbox and opened it to see that inside the matchbox was a rectangular three-terminal device. Zhang Zhimu's heart moved, and he couldn't help asking, "Is it a quartz crystal device?" ”

"Yes! Mr. Zhang. Yangchang nodded and said, "Originally, we thought that it would be very tolerant to make this kind of crystal device, but when we did it, we realized that it was too difficult to make a device with the same frequency." After a few years, we are now finally able to produce practical devices. ”

"Oops! That's great. Zhang Zhimu said, "With crystal devices, we can have a stable oscillation signal source." Tell me, how did you finally break through? ”

"Actually, this is thanks to our breakthrough in semiconductor technology. We have made a breakthrough by applying the technology of producing semiconductors to crystal devices. Yangchang said, "Let's just say slice, we use the molybdenum wire to cut the crystal with the silicon wafer." Then use the tanker for coarse grinding, medium grinding, fine grinding and polishing as you said. In fact, the center frequency can come out after grinding it. It's just that the frequency difference between each piece is very large, and we polish the crystal pieces that are not very different in frequency after fine grinding. If there is a difference, we will increase the frequency of the wafer with large thickness and low frequency in the corrosion point time. Finally, we apply the coating in a vacuum. In the past, we used silver to evaporate and deposit coatings, but now we can use aluminum. After plating, the terminals are glued with conductive glue and baked for aging. If the frequency of such a crystal device is deviated, we can coat it again, because the thickness of the coating has a great impact on the frequency, and the thickness of the coating can be adjusted to make the final frequency adjustment. ”

"Yangchang, you have to study with Li Yunhe, to standardize the production equipment of crystal devices, and to form mass production of devices. This thing will be used in large quantities in the future. Now according to your methods, this thing is more expensive than gold. Zhang Zhimu said.

"Okay! Mr. Zhang. Yang Chang said, "The yield is too low now." It's okay to use a few for experiments, but it will take some time to mass production. However, in the past two years, these people who have been engaged in crystal devices have thoroughly explored the crystal thing. The oscillating circuit composed of this thing is very stable. There are few changes. ”

"One of the problems with the oscillating circuit composed of crystal devices is that the frequency changes due to temperature changes." Zhang Zhimu said, "As a benchmark shock source, it is generally necessary to have a constant temperature environment in the basement. However, this disadvantage can be compensated for by other circuits. It is even possible to take advantage of this drawback. ”

"Can this disadvantage still be exploited?" Yangchang looked at Zhang Zhimu and asked puzzled.

"Yes! Let's take advantage of the temperature-dependent properties of this crystalline device. "We can encapsulate this crystal device in a glass case and use it to measure temperature." We measure the temperature based on the change in the oscillation frequency of the crystal device. ”

"Hey! It's a really good idea," Yang Chang said, "and I immediately asked them to develop a meter that uses a crystal device to measure temperature." ”

Putting down the device in his hand, Zhang Zhimu said to Yangchang: "Yangchang! I've heard that you've built a couple of adder circuits out of transistors and diodes, and it's not easy. But we need to let everyone see the results of our efforts as soon as possible. ”

"It's best if it could be like this." Yangchang said, "However, now everyone believes that what you let everyone do now will never be done in vain." It will definitely be of great use in the future. ”

"Huh! Thank you for your trust in me," Zhang said, "Our first goal was to make a calculator that could do the simplest addition operations. ”

"Calculator?" Yangchang was puzzled.

"That's right! You've long been able to build a circuit with an electron tube, a circuit that can display the numbers of a button with a fluorescent tube. Now it's changed to a semiconductor triode. Zhang Zhimu said, "As long as we connect the adder with these, we should be able to complete this function." ”

Yangchang nodded and said, "That's the truth, but how to proceed down still needs your guidance." ”

"Yes, I thought about it for a moment. You still lack some knowledge of sequential logic circuits. Zhang Zhimu said, "I'm going to prepare and supplement this knowledge to you." Connecting these things together, there's so much we can do. However, sequential logic circuits are a bit more complex than combinatorial logic circuits, and you need to spend some time learning them. ”

"Huh! Mr. Zhang, we have learned from you until now, and it will not work if we don't follow. Yang Chang said, "Now, I'm afraid you can't even let us learn if you don't want us to learn." They're all very good now. I feel a little unambiguous. If they hear that you have to give them a lecture, they can jump up. If you learn once, you will improve a lot, and who can't help but learn? ”

The adder that Yangchang showed Zhang Zhimu was a circuit board composed of many devices, which made Zhang Zhimu feel a lot of emotion in his heart. In the previous life, there was a four-bit adder on a simple film, not to mention a CPU microcontroller and the like. Now such a large board is just an adder. However, Zhang Zhimu was still very happy with this board. This board was made with a lot of effort and effort by the brothers who developed this circuit. This was a very important step towards the development of a computer.

"Yangchang! You still have to let them work on integrated circuits. In the future, such a board will be integrated on a silicon wafer. Otherwise, the calculator we make is very large, not to mention the power consumption. Zhang Zhimu said.

"Okay Mr. Zhang!" Yang Chang said, "Now we are producing semiconductor devices, and we are still in the exploration stage. But everyone also has a little feeling. For transistors or diodes used in high-frequency circuits, the PN internode capacitance must be small. In this case, the contact area of the PN junction should be small. However, the current passing through it is also smaller. However, there are more small signals at high frequencies, so there is no problem with using them in the pre-amp. When emitting power, it is more convenient for us to use tubes. The power of the low-frequency triode has also been increased. Now they're working on an all-semiconductor radio. Soon, the kind of radio you are talking about in your hand will be taken out. ”

"Good news! In the future, we will be able to produce semiconductor transistors in large quantities. We have one more machine for producing silver. Zhang Zhimu said, "It is definitely not a dream for every primary school student to have a radio. ”

After saying this, Yangchang briefed Zhang Zhimu on the progress of developing a telephone exchange.

At present, the development of switches is not very smooth. However, some progress has been made. For example, a telephone that can be dialed has now been developed. Dialing with this kind of telephone can already produce corresponding actions at a distance. However, if you want the switch to reach the practical level, there is still some process.

However, Zhang Zhimu knows that as long as there is a breakthrough in this kind of thing, it will be very fast. But a small problem, if you don't get it right, it will take a long time. It's useless to be in a hurry about these things.

Zhang Zhimu originally wanted to go back to the office, so he contacted Li Yunhe to see when he would test the delta wing, but as soon as he entered the room, Yang Qinglian greeted him and said, "Mr. Zhang, Mr. Lu is waiting for you!" ”

Yang Yulin's body is inconvenient, and now Yang Qinglian is once again replacing her work.

Seeing Lu Chengxiang entering the office with a white cloth package, Zhang Zhimu joked: "What good things did Mr. Lu bribe me with?" ”

"Bribing you?" Mr. Lu said with a smile: "We kiln gang people haven't found out who dares to bribe people." But it's true that this bag is a good thing. ”

Saying that, Lu Chengxiang opened the package. Immediately a pile of colorful silk was revealed.

Zhang Zhimu touched the silk fabric in the past and said, "The dyed color is good, and the color is bright." ”

"You touch it carefully!" Lu Chengxiang said.

"Come on! Mr. Lu, you know that I am a pure layman to these things, and it is useless to touch them again. Don't be sloppy. Zhang Zhimu said.

"Hey!" Lu Chengxiang shook his head and said, "It's a pity for you." This is our newly dyed man-made fiber. Do you see if this luster is brighter than real silk? ”

"Ahh Is this alkyd? Zhang Zhimu asked in surprise, and carefully touched the materials with his hands.

"That's it!" Lu Chengxiang said, "As soon as I got it, I thought it was a good thing." But dyeing didn't work at that time. For the dyeing matter, Master Qingfengzi's disciples spent a lot of time. In the end, I used a microscope to observe the pigments, and later found that the original fuel particles were too large to dye in. Later, they used new reagents and ground the fuel very finely, so that they dyed this thing so well. And no matter how you wash it, it won't fade. You see, if you sell this thing now, it's much more expensive than silk. ”

"Good! This time we're going to have a lot of production. Zhang Zhimu said.

"Yes, but this thing still needs cotton." Lu Chengxiang said, "You said that you can develop rayon without cotton, but you forgot?" ”

"yes, I'm really busy." Zhang Zhimu said, "I'll contact Master Qingfengzi immediately." Let the people who made them develop acetate start working on new fibers. ”

"Oops, Mr. Zhang! You don't care about anything else, others can do it well. Just do what you can do to make money right away! Lu Chengxiang said anxiously.

"Good!" Zhang Zhimu said, "I said, Mr. Lu has already started a war in front of him. Your material supplies, as well as the food needed by the new district, have to keep up, and you still have time to earn money? ”

"Huh! Mr. Zhang, do you still have to wait until now to think about those things? Lu Chengxiang said confidently, "Don't worry!" I've been preparing for this kind of thing in advance. If you're busy until now. Then I'll be ashamed of my old Lu Ke. ”

"Yes! I don't have to worry about these things if I leave them to you. Zhang Zhimu said.

"One more thing, Mr. Ouyang told me. The Eight Kings Zhang Xianzhong sent people to Hanzhong. They wanted to ask us to open a branch in Sichuan. What do you think? Lu Chengxiang said.

"Supposedly, we should build a branch over there. Sichuan is also a big market. Zhang Zhimu said, "But what kind of post and telecommunications and ticket number network do we need to build in the new area that we will take over immediately, and how can we have the energy to take care of Sichuan now?" ”

"People, we don't lack them now." Lu Chengxiang said, "I think that when the work in our new area is arranged, we will send people to Sichuan." It will also take a way for us to take Sichuan in the future. Li Zhi's people can also go with them. ”

"Sichuan is a place that is easy to defend and difficult to attack. Let's just think about Sichuan one last minute. Zhang Zhimu said, "However, I agree with you to set up a little bit in Sichuan." However, Li Zhi's people have already made arrangements in Sichuan, so they don't need to go with you. ”

"That's good! But after the war, there are a lot of things going on in our new area. The new district is too large and has a large population. Lu Chengxiang said, "I have a concern. On the other side of the Huai River, the rain has been getting heavier and heavier in recent years. Waterlogging is more likely. It was waterlogged before, and we can ignore it. But now the waterlogging is our business. ”

"We have food to last for a while." Zhang Zhimu said, "If our fertilizer is delivered to the farmers over there. In those grain-producing areas, there will be a significant increase in grain production. As long as it is not completely flooded, we are not afraid. ”

"Yes! Our ship is good. Where there is a shortage of food, it is much more convenient to transport it. Lu Chengxiang said, "I want to build several large granaries in Henan and Huguang." Stockpile food directly over there. Grain does not necessarily have to be transported back to the kiln. ”

"I support this idea." Zhang Zhimu said, "But to choose the address of the grain reserve, you have to study it carefully with Mr. Lu Bingyi." These large repositories are the lifeblood of our survival. Those granaries in the Ming Dynasty, we took over and repaired them, and they can only be used as general turnover granaries. Large reserve granaries must be managed by us in a centralized and unified manner. How to establish a supervision mechanism, you have to come up with detailed methods for these things. All dynasties and dynasties have had no trouble in this. ”

"Don't worry! Mr. Zhang, my Lao Lu should be an expert in this regard. "Lu Chengxiang is very confident.

"I believe in you. However, Lu Chengxiang, you will have a lot of things to do in the future. You have to establish a management method that you don't personally intervene in, and there are no loopholes in the management of others. Zhang Zhimu said.

"Good! I understand. Lu Chengxiang said, "After these things are decided, I will work with Li Yan to study and formulate a grain reserve law." Violators will be punished heavily! ”

"Yes, yes!" Zhang Zhimu said, "We have to improve the law in the process of doing a lot of things. ”

Drinking the tea sent by Yang Qinglian, Lu Chengxiang said: "After a while, you will be able to drink the Longjing before Mingqian!" It's a pity that our stores in Lin'an (Hangzhou) and Suzhou have been withdrawn. However, this King Li Chuang is still very interesting. They kept our shop very well protected. No one went into the courtyard. You say it's like two families fighting? ”

"Humph!" Zhang Zhimu said, "You have strength, and people respect you!" ”

Zhang Zhimu is now very willing to chat with Lu Chengxiang. Lu Chengxiang is no longer the same as before, every time he sees him, he is respectful, and it is much easier to say something. The most important thing is that Mr. Lu will no longer bother Zhang Zhimu with a big account book now. Maybe it's these numbers, Lu Chengxiang himself is no longer so interested.

The two of them just relaxed, and Yang Qinglian came in and reported, "Director Li is here and says there is something urgent." ”

Zhang Zhimu knew that Li Zhi was not only in an emergency, but also an important matter. He didn't want to say it on the phone, so he just came.

Lu Chengxiang got up and said, "I don't have anything else to do, so I'll go back first." After finishing speaking, he said hello to Li Zhi who entered the door and left. He knew that what Li Zhi said was confidential, and it was inconvenient for him to be here.

As soon as Li Zhi sat down, he said, "Mr. Zhang, there is a telegram from Liaodong." It can be determined that the Manchu side has begun to assemble the yellow and white flags. On the other hand, they are still investigating. Because the stakes were so high, he reported back the sure matter first. In addition, Prince Tori's side seems to be nervous as well. Many people then gathered in Guihua (Hohhot). ”

"The situation over there in the Manchu Dynasty, we expected it. They may come out and get a handful of them when we act. They have been beaten by us, but they are not reconciled. Only when we have no time to take care of them in the southern expedition, we can come out and get a handful. They don't come out to loot for a long time, and their bodies will itch. But they don't know how far we've come. Wait until they come out, right? Zhang Zhimu said.

"Could it be that Prince Tori and they know that the Manchus have mobilized?" Li Zhi asked.

"Nope! But it is likely that they knew that other Mongols were making a move. Zhang Zhimu said, "There is no civilization in the northern grasslands now. Large-scale Mongol action was still impossible. However, this suggests that at least the Mongols began to mobilize. If I'm not mistaken, it won't be long before Prince Tory will keep us informed. ”

"Hmmm! Mr. Zhang's analysis is very correct. "We haven't made much progress in our intelligence about the Mongols. Develop some of the lower Mongols, who also do not have access to the upper echelons. We recruited a lot of young Mongol soldiers. I would like to pick out a few key areas to cultivate from now on. Let them figure out a way to get close to the upper echelons of the Mongols. ”

When Zhang Zhimu came to the command center and told Chen Yufeng and Ouyang He about it, Ouyang He said, "This is what we expected. But I didn't expect them to react so quickly. I always thought that they had to wait for the spring flowers to bloom in the north before they could make a move. ”

Chen Yufeng said: "Inform General Ning De and General Zhou Yuji of this information and remind them to pay attention. ”

Liu Yun agreed and went to send a telegram to Ning De and Zhou Yuji.

Zhang Zhimu asked: "Watching others fight, can Liu Yun stay here?" ”

"It's okay!" Chen Yufeng said, "He also knew that it was time for him to come back and change his position to exercise." also let him know that these things at home are not simple. You can't do it without using your brains. ”

"I don't think Qin Peng's luck may be too good!" Ouyang He said, "In the battle of the Southern Expedition, it is estimated that there will not be any big battles to be fought. If you don't get it right, the battle in the north might be more interesting than the battle in the south! ”

"Hehehe!" The three of them laughed heartily.

Zhang Zhimu saw that on the big walls in the command hall, large maps of the west and north were all hung. The map is marked with red, green, and green with various words and patterns. It seems that the command center has put a lot of effort into the matter of the north. Zhang Zhimu knows that he doesn't have to worry about these things.

At this time, Yang Qinglian called over. Zhang Zhimu had no choice but to take the phone.

Yang Qinglian said on the phone: "Mr. Zhang, Gonggong Li is here." He said there was a holy decree to see you urgently! ”

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Mt. Fuji erupted, Japan was earthquaked. --Progress of "Memories of the Southern Song Dynasty".