Printed circuit board and method for producing the same
Patent
US-6205657-B1
Inventor
KAWAKITA YOSHIHIRO (JP)
NAKATANI SEIICHI (JP)
TANAHASHI MASAKAZU (JP)
Assignee
MATSUSHITA ELECTRIC IND CO LTD (US)
Country
United States
Dates
- Priority:1996/11/08
- Grant:2001/03/27
Description
This web page summarizes information in PubChem about patent US-6205657-B1. This includes chemicals mentioned, as reported by PubChem contributors, as well as other content, such as title, abstract, and International Patent Classification (IPC) codes. To read more about how this page was constructed, please visit the PubChem patents help page.
A printed circuit board includes insulating layers formed by impregnating a base material with a resin and a metal foil pattern formed on a desired layer of the insulating layers. Ions for forming a hardly soluble metal salt by combining with metal ions free from a portion of the board or a sulfur-containing compound for reacting with the metal ion are present in the insulating layer or on a surface of the metal foil pattern. Furthermore, a method for producing the printed circuit board includes any one of the steps of adding the ions or the sulfur-containing compound to the resin varnish, impregnating a base material with the solution of the ions or the sulfur-containing compound, or applying the solution onto the surface of the metal foil pattern, in order to allow the ions or the sulfur-containing compound to exist in the printed circuit board.
1996/11/08
1997/10/28
2001/03/27
2001/03/27
KAWAKITA YOSHIHIRO (JP)
NAKATANI SEIICHI (JP)
TANAHASHI MASAKAZU (JP)
MATSUSHITA ELECTRIC IND CO LTD (US)
United States
- US-6174589-B1
- US-6205657-B1
H05K1/03 (inventive)
Y10T428/24917
Y10T428/24802
Y10T29/49155
H05K1/0373 (inventive, first)
H05K2201/0769
Y10S428/901
H05K2203/121
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- Google PatentsLICENSE"Google Patents Research Data" by Google, based on data provided by IFI CLAIMS Patent Services and OntoChem, is licensed under a Creative Commons Attribution 4.0 International License.https://creativecommons.org/licenses/by/4.0/legalcode
- PubChem
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