CNIPA.AI
Back to Search
Dossier

一种HVLP铜箔表面亚微米微粗化处理方法

InventionUnknown
4Claims · 2 independent
§ Ⅰ

Dossier Overview

Inventor

胡文成; 伍孝平; 王妮; 孙良奎; 谢星辰; 曹富康

Filing Date

Aug 27, 2026

Publication Date

Oct 27, 2026

IPC Classification

C25D 7/06 (2006.01)C25D 3/38 (2006.01)C23F 1/18 (2006.01)C23G 1/10 (2006.01)C25D 5/18 (2006.01)C25D 5/00 (2006.01)C25D 5/48 (2006.01)C25D 5/34 (2006.01)C25D 5/10 (2006.01)H05K 1/09 (2006.01)

本发明公开了一种HVLP铜箔表面亚微米微粗化处理方法。本发明包含S1铜箔前处理(微蚀与酸洗)、S2亚微米脉冲微粗化、S3固化封层及S4抗氧化烘干。方法在“低铜高酸”配方中引入不对称高频正负脉冲控制,通过正向脉冲极高过电位引发爆发式形核,反向微弱电流优先溶解尖端(消尖效应),并在前处理与抗氧化处理协同下,在铜箔表面形成粒径100~300 nm的极均一亚微米微瘤,解决了低粗糙度(Rz ≤ 1.2 μm)与高剥离强度的性能博弈痛点。

Sign in to read the full text

Claim 1 is shown. Create a free account to read all 4 claims, the full description, all drawings, translations and legal status.

  • All claims
  • Technical field
  • Background
  • Summary
  • Drawing descriptions
  • Detailed description

External Resources