Printed circuit board and manufacturing method for the same

The method addresses the challenges of adhesion and transmission losses in printed circuit boards by using reduced-pressure plasma treatment and plating, resulting in cost-effective and high-quality boards suitable for high-speed communication.

JP2025053431APending Publication Date: 2025-04-07ESU TECH CO LTD +1
1 Cites 0 Cited by

Patent Information

Application Number
JP2023162457
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-09-26
Publication Date
2025-04-07

AI Technical Summary

Technical Problem

Existing methods for manufacturing printed circuit boards using low dielectric constant materials like liquid crystal polymers or fluororesins face challenges such as poor adhesion, high transmission losses, and increased manufacturing costs, making them unsuitable for high-speed communication applications.

Method used

A method involving reduced-pressure plasma treatment of the substrate surface, followed by printing a base layer and subsequent plating to form a circuit, which enhances adhesion and reduces transmission losses while maintaining low manufacturing costs.

Benefits of technology

The method effectively improves the adhesion of the circuit to the substrate, reduces surface unevenness, and lowers manufacturing costs, enabling the use of printed circuit boards in high-speed communication applications.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

To provide a printed circuit board that can be used for high-speed communication using high-frequency radio waves and is inexpensive, and a method for manufacturing the same.SOLUTION: A method for manufacturing a printed circuit board includes a plasma treatment step of performing a pressure-reduced plasma treatment on one or both surfaces of a substrate formed in a sheet-like, film-like or plate-like shape, a printing step of printing a base layer in a predetermined pattern on the surface of the substrate after the plasma treatment, and a plating step of forming a circuit corresponding to the pattern on the surface side of the substrate by plating the surface of the substrate after the printing processing.SELECTED DRAWING: Figure 1
Need to check novelty before this filing date? Find Prior Art