Invention Grant
- Patent Title: Substrate structuring methods
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Application No.: US17227763Application Date: 2021-04-12
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Publication No.: US11362235B2Publication Date: 2022-06-14
- Inventor: Han-Wen Chen , Steven Verhaverbeke , Giback Park
- Applicant: Applied Materials, Inc.
- Applicant Address: US CA Santa Clara
- Assignee: Applied Materials, Inc.
- Current Assignee: Applied Materials, Inc.
- Current Assignee Address: US CA Santa Clara
- Agency: Patterson & Sheridan, LLP
- Priority: IT102019000006740 20190510
- Main IPC: H01L31/18
- IPC: H01L31/18 ; H01L21/304 ; H01L21/306 ; H01L21/308 ; H01L21/768 ; H01L21/027

Abstract:
The present disclosure relates to methods and apparatus for structuring a semiconductor substrate. In one embodiment, a method of substrate structuring includes applying a resist layer to a substrate optionally disposed on a carrier. The resist layer is patterned using ultraviolet radiation or laser ablation. The patterned portions of the resist layer are then transferred onto the substrate by micro-blasting to form desired features in the substrate while unexposed or un-ablated portions of the resist layer shield the rest of the substrate. The substrate is then exposed to an etch process and a de-bonding process to remove the resist layer and release the carrier.
Public/Granted literature
- US20210234060A1 SUBSTRATE STRUCTURING METHODS Public/Granted day:2021-07-29
Information query
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