The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 20, 2026
Filed:
Jun. 03, 2020
C. Uyemura & Co., Ltd., Osaka, JP;
C. Uyemura & Co., Ltd., Osaka, JP;
Abstract
The purpose of the present invention is to provide a pretreatment method for electroless plating and a pretreatment solution for electroless plating capable of increasing an adsorption amount of a catalyst. A pretreatment method for electroless plating for performing an electroless plating on a substrate, the pretreatment method at least comprises: a cleaner process S; a soft etching process Sand/or an acid treatment process S; a catalyst imparting process S; and a catalyst reducing process S, wherein an anionic surfactant for ionizing a part of a hydrophilic group to an anion is added to a treatment solution used in the soft etching process Sand/or the acid treatment process S, an ionic catalyst is imparted on the substrate in the catalyst imparting process S, and the ionic catalyst is reduced in the catalyst reducing process Sto increase an adsorption amount of the catalyst on the substrate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile