Negative tone aqueous developable resist for photon, electron, and x-ray lithography

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Abstract
The use of negative acting photoresists has become a integral part of device fabrication strategy. In this paper we will. discuss a phenolic based photoresist which incorporates a crosslinkable resin and an acid generating sensitizer. When exposed and thermally treated, the resist forms a negative tone image which is developable in an alkaline medium. We will discuss the materials, processes and results from photon, electron and X-ray lithographic evaluations.

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