Formation method of semiconductor structure
A semiconductor and isolation structure technology, applied in the field of semiconductor structure formation, can solve the problems of increased chip manufacturing cost, difficulty in precise control of polysilicon resistance, poor contact of metal plugs, etc., to save space, prevent concave defects, improve height and surface The effect of topographic flatness
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0030] As mentioned in the background art, the existing metal nitride thin film resistors have the problem of poor contact with the metal plug.
[0031] After research, the formation process of the existing metal nitride thin film resistors is: providing a semiconductor substrate; forming a shallow trench isolation structure in the semiconductor substrate; forming a metal nitride thin film layer on the shallow trench isolation structure , the metal nitride thin film layer is used as a thin film resistor; a dielectric layer covering the shallow trench isolation structure, the semiconductor substrate, and the metal nitride thin film layer is formed; the dielectric layer is etched to form an exposed metal nitride layer on the dielectric layer An opening in a thin film layer; the opening is filled with metal to form a plug. Since the formed metal nitride thin film resistors are generally thin, when the dielectric layer is etched to form an opening, the metal nitride thin film resi...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com