Invention Grant
- Patent Title: Means to decouple the diffusion and solubility switch mechanisms of photoresists
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Application No.: US15568791Application Date: 2015-05-28
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Publication No.: US10692757B2Publication Date: 2020-06-23
- Inventor: Marie Krysak , Robert Lindsey Bristol , Paul Anton Nyhus , Michael J. Leeson
- Applicant: Intel Corporation
- Applicant Address: US CA Santa Clara
- Assignee: Intel Corporation
- Current Assignee: Intel Corporation
- Current Assignee Address: US CA Santa Clara
- Agency: Schwabe, Williamson & Wyatt, P.C.
- International Application: PCT/US2015/033060 WO 20150528
- International Announcement: WO2016/190887 WO 20161201
- Main IPC: G03F7/004
- IPC: G03F7/004 ; H01L21/768 ; H01L21/311 ; H01L21/027 ; G03F7/20 ; G03F7/038 ; G03F7/039 ; G03F7/095 ; C08F212/32 ; C08F212/14 ; G03F7/32 ; G03F7/38 ; H01L23/498

Abstract:
Embodiments of the invention include photoresist materials and methods of patterning photoresist materials. In an embodiment a photoresist material comprises a plurality of molecular glasses (MGs). In an embodiment, a glass transition temperature Tg of the photoresist material is less than an activation temperature needed to deblock blocking groups from the MGs. Embodiments include a method of patterning a photoresist material that comprises exposing the photoresist material with ultraviolet radiation. The method may also comprise, performing a first post exposure bake at a first temperature, that is less than the activation temperature needed to deblock blocking groups from the MGs, and performing a second post exposure bake at a second temperature that is approximately equal to or greater than the activation temperature needed to deblock blocking groups from the MGs.
Public/Granted literature
- US20180102282A1 MEANS TO DECOUPLE THE DIFFUSION AND SOLUBILITY SWITCH MECHANISMS OF PHOTORESISTS Public/Granted day:2018-04-12
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