Containers specially adapted for masks, mask blanks or pellicles; Preparation thereof

Containers specially adapted for masks, mask blanks or pellicles; Preparation thereof · Cooperative Patent Classification (CPC)

Computing, optics, measurement, and control technologies.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeG03F1/66
Official titleContainers specially adapted for masks, mask blanks or pellicles; Preparation thereof
Display labelContainers specially adapted for masks, mask blanks or pellicles; Preparation thereof
Total patents582

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201510
201623
201742
201847
201954
202066
202178
202272
202358
202465
202559
20268

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC G03F1/66?
CPC G03F1/66 is the Cooperative Patent Classification code for “Containers specially adapted for masks, mask blanks or pellicles; Preparation thereof.”
How many patents are filed under CPC G03F1/66 (Containers specially adapted for masks, mask blanks or pellicles; Preparation thereof)?
Our database includes 582 publications tagged with this CPC code.
Is patent activity under CPC G03F1/66 growing?
Publication counts under this code: 65 in 2024 vs 59 in 2025 (latest complete years).