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What technological breakthroughs have this lithography machine made?

The core breakthroughs of the 10,000-channel 3D nano-laser direct writing lithography machine developed by Zhejiang University focus on four aspects: light field control, processing strategy, performance indicators and application landing. Light field control technology breakthroughs using digital micromirror in conjunction with microlens arrays. The control solution can generate more than 10,000 independently controllable laser focuses, and the energy of each focus can achieve fine adjustment of more than 169 steps, truly realizing independent control of multiple channels.

According to the information you provided, the following are the main technological breakthroughs of these three lithography machines: URE-2000A lithography machine (China Institute of Optoelectronics Technology) high-precision alignment and resolution: achieved alignment accuracy of 0.6μm and resolution of 0.8-1μm (when using 2μm thick positive paste), meeting the micron process requirements at that time.

The core advantages of the ASML High-NA EUV lithography machine compared with the previous generation (Low-NA EUV) are breakthrough in resolution, jump in production efficiency and double reliability, which directly promotes semiconductor manufacturing into the era below 2 nanometers.

What is the gap between domestic chips and American chips, and how soon will it take to catch up?

1. Summary: The gap between domestic chips and the United States is systematic and multi-dimensional, and catching up requires long-term strategic investment. National policy support, rapid iteration on the design side, technological breakthroughs on the manufacturing side and the first rise of market segments are the key paths. Although it is difficult to quickly surpass in all fields, through continuous accumulation, domestic chips will achieve overtaking in corners in some fields, ultimately forming a competitive pattern that coexists with the world's top levels.

2. Some people believe that it will take about five years to fully catch up in the design field, and the gap between flagship chips is about three years. In terms of chip manufacturing process technology, the United States has been able to manufacture 5 nanometer chips locally, while SMIC in the mainland of China has mass-produced 14 nanometer chips without EUV lithography machines and has reached the international level. 7 nanometer is limited to exploratory production. Compared with TSMC's 3 nanometer mass production capacity, the generation difference is significant, and the manufacturing process gap is about ten years.

3. China's current opportunities to develop chips lie in some specialized chip fields where standards have not yet been formulated, such as artificial intelligence chips. In addition, the world is also constantly changing. Being in the lead now does not mean that it will never be overtaken. The cooperation between Microsoft and ARM is trying to challenge Intel's status. China is currently authorized by the x86 architecture and is constantly catching up. How soon can I catch up? I will definitely see it in my lifetime! That's a good question.

4. The gap between domestic AI chips and the United States is mainly concentrated in manufacturing processes, software ecology and high-end product performance, but the domestic catch-up speed is accelerating. After understanding the core of the problem, first start with the comparison from the basic level. The most typical 7-nanometer process in the semiconductor industry chain will be mass-produced by SMIC in 2022, while US ally TSMC has achieved 4-nanometer mass production, which directly leads to the performance of high-end AI chips such as the NVIDIA H100 compared with Huawei's Shengteng 910 series. About 50%.

5. These breakthroughs prove that focusing on specific areas can achieve rapid catch-up.

Which is better than Nvidia Asmail?

1. NVIDIA and ASML are in different fields and have excellent performance in their respective fields. It is difficult to simply judge who is stronger: NVIDIA focuses on graphics processing and artificial intelligence computing: NVIDIA is the world's leading graphics processing unit (GPU) manufacturer, occupying an important position in the game graphics card market. Its GPU provides gamers with excellent graphics rendering capabilities, making the game picture more realistic and smoother.

2. NVIDIA: This American leader in artificial intelligence computing was founded by Chinese-American Huang Renxun. It is known for its 61% gross profit and its huge contribution to the chip industry. Nvidia ranks second in the global market value ranking of semiconductor companies, with a market value of 3.35889 billion yuan. Asmail: Asmail is one of the world's largest semiconductor equipment manufacturers, providing critical comprehensive equipment to global integrated circuit manufacturers.

3. NVIDIA's technological innovation and product iteration not only promote the development of AI technology, but also set a new benchmark for the entire semiconductor design industry, defining the ceiling of industry design capabilities and innovation levels. Equipment field: ASML monopolizes the high-end lithography machine market In the equipment field, ASML has become the industry leader with its monopoly position on high-end lithography machines.

4. NVIDIA NVIDIA is an artificial intelligence computing company listed on NASDAQ in the United States. It was founded by Chinese-American founder and CEO Huang Renxun. It is also the largest chip company in the United States, with a gross profit of 61%. It is also the world's largest semiconductor chip company with a market value of 3.35889 billion yuan, ranking second in the world.

5. U.S. dominance: Eight of the world's top 10 semiconductors are American companies, and the other two (TSMC and Asmail) are actually controlled by the United States. Allies added: The top 22 companies are basically companies from the United States or its allies (such as the Netherlands and China Taiwan). (Note: The picture is a schematic diagram of the ranking overview, showing the concentration trend of the semiconductor industry.) The performance of the mainland of China enterprises in North China: The market value is 164 billion yuan, ranking 23rd in the world, which is about 1/15 of TSMC's market value.

6. Demand for AI computing power dominates the market: Companies such as Nvidia, AMD, and Micron have benefited significantly from the growth in demand for AI chips and storage, accounting for more than 60% of the market value. Competition in advanced processes has intensified: TSMC, Samsung, and Intel continue to increase their R & D investment in processes below 3nm, and the OEM market has shown a pattern of "one superpower and many strong".

This article reveals the subtle exploration of OPC technology in lithography

OPC, English full name Optical Proximity Correction, that is, optical proximity correction, is a lithography enhancement technology, mainly used to correct the distortion of graphics. OPC technology plays an important role in semiconductor device manufacturing process. It ensures that the edges of the design pattern are etched completely.

OPC) is a technology used to increase the resolution of the lithography process and pre-compensate the photomask pattern to make the silicon wafer image meet the design specification requirements as much as possible.

Technical advantages: OPC and off-axis lighting can be used alone or in combination, and can be flexibly adjusted according to process requirements.

The full English name of OPC is Optical Proximity Correction, which means optical proximity correction.

What is the main use of lithography machines

Lithography machines are the most important thing for chip manufacturingIs PC lithography machine useful?the core equipment ofIs PC lithography machine useful?, used to accurately transfer circuit patterns to silicon wafers, is the most technically difficult and valuable key equipment in the semiconductor industry. Its core functions and working principles are as follows: The core use chip production of lithography machines is used to manufacture core semiconductor components such as logic chips (such as CPU, GPU) and memory chips (such as DRAM, NAND).

The lithography machine is the core process equipment in semiconductor chip manufacturing. Its core function is to accurately transfer the integrated circuit design layout to the surface of a silicon wafer coated with photoresist. It is a key equipment for realizing chip miniaturization and high-integration mass production.

Lithography machines are mainly used for fine pattern transfer during chip manufacturing. Specifically, lithography machines play the role of core equipment in chip manufacturing. Their uses and working principles are as follows: Main uses Chip production: lithography machines are key equipment for the production of large-scale integrated circuits (chips) and can transfer tiny circuits accurately. The pattern is transferred to silicon wafers.

Lithography machines are the core equipment of the modern semiconductor industry. They are mainly used to accurately etch the micron or nanometer circuit patterns required for integrated circuits on silicon wafers. They are indispensable "carving tools" in the chip manufacturing process.

Lithography machines are mainly used in the fields of chip manufacturing, packaging and LED manufacturing. Specifically: Chip manufacturing: Lithography machines are the core equipment of chip manufacturing. They accurately engrave circuit diagrams on silicon wafers through a series of complex optical and chemical processes. This process is one of the most critical and complex steps in chip manufacturing, determining the performance and integration of the chip. Packaging: In the chip packaging process, lithography machines also play an important role.

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