Processes for manufacturing precursors of printed circuits, i.e. copper-clad substrates

Processes for manufacturing precursors of printed circuits, i.e. copper-clad substrates · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeH05K3/022
Official title{Processes for manufacturing precursors of printed circuits, i.e. copper-clad substrates}
Display labelProcesses for manufacturing precursors of printed circuits, i.e. copper-clad substrates
Total patents748

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201560
201650
201756
201858
201949
202078
202173
202286
202387
202471
202570
202610

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 H05K3/022?
CPC H05K3/022 is the Cooperative Patent Classification code for “Processes for manufacturing precursors of printed circuits, i.e. copper-clad substrates.”
How many patents are filed under CPC H05K3/022 (Processes for manufacturing precursors of printed circuits, i.e. copper-clad substrates)?
Our database includes 748 publications tagged with this CPC code.
Is patent activity under CPC H05K3/022 growing?
Publication counts under this code: 71 in 2024 vs 70 in 2025 (latest complete years).