We need a lithography machine.
Producing quantum chips does involve lithography. Lithography technology plays an important role in semiconductor technology, through the use of the lithography machine to project the pattern onto the photoresist, and then the photoresist development and etching steps, and finally form various structures and circuits on the chip.
For quantum chips, lithography technology also has certain applications. Although the quantum chip uses a different process and design principle from the traditional semiconductor chip, it still needs to achieve fine processing at the micro or nano level through lithography technology in the manufacturing process.
However, it is worth noting that the manufacturing process of quantum chips is more complex and special, and may involve other manufacturing techniques in addition to lithography, such as electron beam exposure, ion beam exposure, etc. These techniques can be used to precisely process and assemble microscopic structures such as qubits.
Yes
The manufacturing of quantum chips also requires the involvement of lithography machines, but it is a matter of how much involvement.
Traditional electronic chips must use lithography machines to achieve core process manufacturing. However, since quantum chips are mainly composed of optical quantum devices, the requirements for lithography machines are not high, and China does not need to import high-end lithography machine components from developed countries such as the United States, and then combine a lithography machine.
Yes.
At present, traditional silicon-based chip manufacturing must require a lithography machine, but in the future, quantum chips may be able to bypass the lithography machine 1. Therefore, whether a lithography machine is needed may depend on the type of chip and the manufacturing method. But in general, no matter what kind of chip, you need a lithography machine to make 2.