Manufacturing of semiconductor devices using an etch stop layer in fluorine-based plasma etching
TW202633275APending Publication Date: 2026-08-01PICOSUN OY
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Patent Information
- Authority / Receiving Office
- TW · TW
- Patent Type
- Applications
- Current Assignee / Owner
- PICOSUN OY
- Filing Date
- 2025-09-03
- Publication Date
- 2026-08-01
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Abstract
The disclosure concerns a method of producing high aspect ratio (HAR) features for substrates used in semiconductor devices and related method of manufacturing a semiconductor device. In the method, an yttria etch stop layer (ESL)
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