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Разработка методов формирования и контроля заданного распределения толщины фоторезиста при изготовлении конформальных корректоров

Разработка методов формирования и контроля заданного распределения толщины фоторезиста при изготовлении конформальных корректоров

Abstract

A process of manufacturing conformal correctors for solid state YAG:Nd3+ lasers is discussed. It is proposed that a maskless lithography method should be used for fabricating a photoresist film with a desired thickness profile as an alternative to the proximity lithography based on half-tone masks. The use of a specular spectral scatterometry method for the testing of the conformal corrector shape at an early stage of photoresist profile formation is reported. A combination of these two methods makes the corrector manufacturing process significantly cheaper and faster.

В работе обсуждаются проблемы изготовления и контроля качества конформальных корректоров для мощных твердотельных YAG:Nd3+ лазеров. Предложено использовать метод безмасочной проекционной фотолитографии как альтернативу фотолитографии с зазором на основе растрированных полутоновых шаблонов. Рассмотрено применение метода зеркальной спектроскопической рефлектометрии для контроля формы корректоров на стадии рельефа в фоторезисте. Совокупность использованных методов значительно повышает производительность изготовления корректоров в сочетании с удешевлением процесса.

Keywords

зеркальная спектроскопическая рефлектометрия, безмасочная фотолитография, конформальные корректоры, измерение толщины тонких пленок, профилометрия

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold