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. 19, 1988
Filed:
Jan. 17, 1986
Applicant:
Inventors:
James A Cairns, Wantage, GB;
James H Stephen, Abingdon, GB;
Assignee:
United Kingdom Atomic Energy Authority, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428209 ; 427 96 ; 428469 ; 428699 ; 428701 ; 428702 ; 428901 ;
Abstract
A substrate for use in the manufacture of electronic devices, comprising a lamina made of an aluminum-bearing ferritic steel coated with an adherent layer of a material having a high dielectric strength, a low dielectric constant and a co-efficient of thermal expansion approximately equal to that of the steel lamina.