Lithography apparatus and lithography system

By using programmable and rewritable digital lithography masks in lithography technology, and using signal generation modules and mask drive modules to program mask patterns in real time, the problem of difficult changes and high costs in existing lithography technologies is solved, and low-cost and low-latency lithography production is achieved.

CN114675507BActive Publication Date: 2025-03-25WESTLAKE UNIV
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Patent Information

Application Number
CN202210373960.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-04-11
Publication Date
2025-03-25
Estimated Expiration
2042-04-11

AI Technical Summary

Technical Problem

In the existing lithography technology, the mask plate is difficult to change, has defects and is costly, which leads to an increase in lithography costs, especially in small batch chip production.

Method used

A programmable and rewritable digital lithography mask is adopted, and the signal generation module and the mask drive module are used to generate the mask pattern according to the chip layout, and the light transmittance state of the pixel area is changed through the control electrode and the electrolytic reaction layer to realize real-time programming and rewrittening of the mask.

Benefits of technology

It significantly reduces the cost of chip manufacturing and mask defect monitoring and repair, solves the problem of difficult to allocate mask costs in small batch chip production, and realizes low-cost and low-latency lithography production.

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Abstract

The present disclosure relates to a lithography apparatus and a lithography system. The lithography apparatus includes: a signal generation module, the signal generation module is configured to generate one or more mask patterns according to a layout, and to generate corresponding mask drive signals according to each of the one or more mask patterns; and a mask drive module, the mask drive module is communicatively connected to the signal generation module, and the mask drive module is configured to control the light transmittance state of each pixel area on the mask according to one or more sets of mask drive signals, so as to form corresponding mask patterns on the mask.
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