Log in
Enquire now
‌

H01L 21/31

Treatment of semiconductor bodies using processes or apparatus not provided for in groups [CPC: H01L21/20] - [CPC: H01L21/26] to form insulating layers thereon, e.g. for masking or by using photolithographic techniques ; After treatment of these layers; Selection of materials for these layers

OverviewStructured DataIssuesContributors

Contents

data.epo.org/linked-data/def/cpc/H01L21-31
Is a
‌
Patent classification

Other attributes

Child Classification
‌
H01L 21/32
‌
H01L 21/314
‌
H01L 21/3205
Classification Type
‌
Cooperative Patent Classification
Parent Classification
‌
H01L 21/30
No article content yet.

Timeline

No Timeline data yet.

Further Resources

Title
Author
Link
Type
Date
No Further Resources data yet.

References

Find more entities like H01L 21/31

Use the Golden Query Tool to find similar entities by any field in the Knowledge Graph, including industry, location, and more.
Open Query Tool
Access by API
Golden Query Tool
Golden logo

Company

  • Home
  • Press & Media
  • Blog
  • Careers
  • WE'RE HIRING

Products

  • Knowledge Graph
  • Query Tool
  • Data Requests
  • Knowledge Storage
  • API
  • Pricing
  • Enterprise
  • ChatGPT Plugin

Legal

  • Terms of Service
  • Enterprise Terms of Service
  • Privacy Policy

Help

  • Help center
  • API Documentation
  • Contact Us
By using this site, you agree to our Terms of Service.