Leveling and focusing device for lithography equipment

Abstract

The invention discloses a leveling and focusing device for photolithography equipment, which is used to make a film carrier move vertically along Z, Rx, Ry directions. The leveling and focusing device includes a The lower cam roller device, the cam roller device includes a cam mechanism and a roller mechanism located above the cam mechanism, the roller mechanism is driven by a motor to rotate, and the cam mechanism includes a bearing mechanism for use The cam mechanism is in linear contact with the roller mechanism.

Description

technical field [0001] The invention relates to the field of integrated circuit equipment manufacturing, in particular to a leveling and focusing device for photolithography equipment. Background technique [0002] The photolithography device is the main equipment for manufacturing integrated circuits. Its function is to sequentially image different mask patterns onto the precisely aligned positions on the substrate (such as semiconductor silicon wafer or LCD panel). However, this alignment position changes due to the physical and chemical changes experienced by successive patterns, so an alignment system is needed to ensure that the alignment position of the silicon wafer corresponding to the mask can be accurately aligned every time. As the number of electronic components per unit surface area of ​​the substrate increases and the size of electronic components becomes smaller and smaller, the precision requirements for integrated circuits are increasing. Therefore, the posi...

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Problems solved by technology

[0005] However, the barrel-shaped design in the CN101303532 scheme of the prior art solves the problem that the roller and the cam are relatively inclined, but makes the point contact between the cam and the roller. wear and tear

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