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Text Chapter 280 Inspection (Part 1)

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    These days, things like dual support and military-civilian co-construction units have not yet appeared in formal files. However, the tertiary industry of various armies is booming. Due to the age, such units of the tertiary industry are the main force for the placement of retired officers and soldiers.  , such as United Airlines is the most obvious example.

    To some extent, Yuanjia really has the attributes of the military's tertiary industry. From the perspective of reserves, establishing a militia regiment is absolutely in line with current policies. Generally speaking, the budget of the militia is settled through consultation between the local government, the Ministry of Human Resources and Armed Forces, and the enterprise. The equipment is adjusted by the military region or  Purchased by the Ministry of People's Armed Forces, the equipment range is the standard equipment currently in service in the Republic.

    Of course, the big theorem of relying on mountains and rivers still applies here. For example, the militia division near the northern border is equipped with five pairs of active wheels because it is close to the tank factory.

    There are a lot of things that 1000 can do, and Weng Chengji has naturally adopted the law of relying on what he eats. Judging from the research and development plans of 1000 that Weng Chengji currently knows, once more new equipment comes out, I dare not say that an equipment company will definitely help with the finalization test.  No problem, Yuanjia's security personnel are of first-class quality. If they are equipped with first-class equipment, they won't be interested in winning first place in a competition.

    While a few people were talking, the airport forklift forked boxes covered with military green camouflage nets and slowly drove out of the wide tailgate of Belfast. With mechanized operations, ten tons of light water could be unloaded extremely quickly.  In fifteen minutes, the pickup truck left the airport.

    At this time, the science and technology park has entered a state of looseness on the outside and tightness on the inside. Fortunately, due to the 1,000 institutes, this situation is not an abnormality for employees who have seen a lot of science and technology parks.

    The pilot workshop of Gangji Power Collection has roughly modified a piece of equipment and plans to directly verify Liang Yuan¡¯s idea.

    ??The benefits of the Torch Project can be seen at this time. Although the 5-micron line width is outdated, Hong Kong-based Power Collection has completely understood all aspects of the entire technical line.

    Throwing wafers into water for photolithography may seem simple, but it already involves coordination between the light source power adjustment of the lithography machine and the operating speed of the workbench. In the future, the installation, adjustment and testing of a high-precision lithography machine will take at least a year.  Although it is due to deliberate card setting overseas and low work efficiency, it is enough to show how troublesome this thing is.

    If you don¡¯t fully understand the technology, you won¡¯t be able to do anything with just this adjustment. If you rely on overseas technicians to throw away the secret of photolithography, you won¡¯t be able to keep it secret at all.

    After this day, a reliable technical team that has been reviewed and approved has been established. If we use the terminology of the Internet era to describe the pilot phase of the chip, it is similar to a public beta without deleting files, except that it cannot be scaled up and can be rectified at any time.  There is no essential difference from mass production.

    For this pilot trial, Hong Kong Base Electric Power Equipment Co., Ltd. deployed a 5-micron production line that was already running normally, and temporarily made a container of light water out of glass and placed it on the workbench. A trio of technical experts went into battle together with more than ten people.  A technician adjusted the power of the lithography machine. Since mass production is not required, the more troublesome adjustment of the workbench operating speed can be left unchanged.

    Ignoring the dust removal of light water equipment, after the things were brought to the science and technology park, Liang Yuan and the twins who had returned from school went to the cafeteria to have dinner, and then returned to the science and technology park to start the "disinfection" step before entering the workshop.

    Because this experiment has very high environmental requirements, Liang Yuan and the twins both had to wear top-notch dust-proof suits, with sealed glass goggles and a whole hood that covered their heads, and their breathing was filtered by the equipment.

    It took nearly an hour to complete a dust removal process, and then Liang Yuan and the other three were allowed to enter the experimental workshop.

    The production workshops of Gangji Electric Power Collection generally choose a beige tone. Even the equipment is painted in a beige color system, but the shade is different from the surrounding environment.

    The two girls were extremely curious about what Liang Yuan had done. They followed Liang Yuan cautiously, looking around with lively eyes.

    Due to the experiment, the groups of material trolleys in the workshop have stopped, leaving only a seemingly lonely white photolithography machine parked on one side of the workshop.

    "Xiaoyuan, can we see how the chips are produced this time?"

    Due to the use of fully sealed clothing, the sound in Liang Yuan's headset headphones was somewhat distorted, and it was impossible to tell which girl was speaking.

    "The production principle of the photolithography machine is similar to that of photography. It is a short exposure. If it is seen by humans, it will be overexposed. How can we produce wafers?"

    Liang Yuan replied with a smile.

    Ning Wanjia who asked the question was a little embarrassed and stuck out her tongue, but no one saw it because of the dustproof hood.

    ¡°Young Master, everything is ready, shall we start the experiment?¡±

    While Liang Yuan was eating and disinfecting, Wang Xin and others had poured light water into the container on the workbench, and the wafers had been coated with photoresist and put into the lightIn the water.

    Although the photoresist currently used by Hong Kong-based current collectors has not been optimized for waterproof properties, photoresist is a kind of resin in terms of raw material properties and has certain waterproof properties.

    The development process after photolithography itself requires rinsing the developer with pure water. Therefore, as long as the photoresist that dissolves in water is not used, the short-term experimental production of photoresist should not affect the final product of the wafer. Of course, these  These are all theoretical expectations of the trio of technical experts, and actual actions will be required to verify the final results.

    "Okay, let's get started."

    "Young master, please press the start button."

    "No, no, whoever is closer will press the button. If I wasn't a little impatient, I wouldn't even come here to join in the fun."

    Finally, Nie Xiaotian, standing next to the lithography machine, pressed the device¡¯s work key.

    The current photolithography machine of Hong Kong Base Electric is about seven or eight cubic meters in size. The equipment is similar to an oversized black box. The process of exposing the wafer is invisible to the naked eye, and the equipment makes no sound when working. Although the wafer and aerospace are both human beings  cutting-edge technology, but when it comes to visual effects, the two are completely different.

    Since there is no need to use the entire wafer area for production, the photolithography machine stopped working after ten exposures. Driven by the motor, the workbench slowly exited the photolithography machine and began to transfer the wafer to the subsequent process.  push.

    After exposure, there is development, after development there is a hard film, and then the process enters the detection process. This process is to detect the development results of the wafer. Qualified wafers enter the subsequent etching and other processes, and unqualified wafers are processed in the process.  After cleaning, enter the initial process and start over.

    ¡°But for everyone in the laboratory, the detection step is almost enough to determine the life or death of a new method. It is clear at a glance whether it is successful or not under the electron microscope.

    Liang Yuan didn¡¯t understand anything and could only watch Wang Xin sitting in front of the inspection equipment and observing the newly released wafers through an electron microscope.
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