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.

Date of Patent:
May. 28, 1985

Filed:

Jun. 28, 1984
Applicant:
Inventors:

Chung H Lee, Reading, MA (US);

John Fronduto, Waltham, MA (US);

Peter E Oettinger, Acton, MA (US);

Assignee:

Thermo Electron Corporation, Waltham, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
204 15 ; 204 376 ; 204D / ;
Abstract

An improved laser-based method of depositing a metal on an electrically insulated metallic substrate is disclosed. Selected areas of the insulated plate such as an anodized aluminum plate are irradiated with laser energy to fracture the anodized layer and expose underlying aluminum. The plate is immersed in a solution containing copper ions and negatively biased so that a thin layer of copper is electrolytically deposited in the selected areas to form copper features. The method is particularly suited to the rapid production of high quality, durable photographic printing plates with long shelf life.


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