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:
Sep. 09, 1980
Filed:
Nov. 17, 1975
James E Opfer, Palo Alto, CA (US);
John M Pierce, Palo Alto, CA (US);
Lawrence E Valby, Mountain View, CA (US);
Develco, Inc., Mountain View, CA (US);
Abstract
A relatively thin superconductive magnetic shield, as of lead, is supported from a hollow support structure, as of aluminum or fiberglass by means of a multiplicity of spots of adhesive, as of epoxy, serving to bond the superconducting shield to the support structure. The shield and support structure is then positioned within a reentrant cryostat and cooled to liquid helium temperature to render the shield superconductive. Adjacent edges of the shield material are outwardly flanged and sealed together at the flanged portions, as by welding. The spot pattern of adhesive permits the shield to flex during thermal cycling to relieve strain and prevent fracture thereof while at the same time supporting the shield in a substantially nonmicrophonic manner.