(19)
(11) EP 3 143 621 A1

(12)

(43) Date of publication:
22.03.2017 Bulletin 2017/12

(21) Application number: 15792910.0

(22) Date of filing: 15.05.2015
(51) International Patent Classification (IPC): 
G11B 5/73(2006.01)
C22C 32/00(2006.01)
C22C 21/00(2006.01)
(86) International application number:
PCT/US2015/031009
(87) International publication number:
WO 2015/175897 (19.11.2015 Gazette 2015/46)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA

(30) Priority: 15.05.2014 US 201461993655 P

(71) Applicant: Materion Corporation
Mayfield Heights, OH 44124 (US)

(72) Inventors:
  • SIMMONS, Gordon B.
    Danville, California 94526 (US)
  • TARRANT, Andrew D.
    Farnham Surrey GU10 4DD (GB)
  • ANDREWS, Peter John
    Mayfield Heights, Ohio 44124 (US)

(74) Representative: Kador & Partner 
Corneliusstraße 15
80469 München
80469 München (DE)

   


(54) METAL MATRIX COMPOSITE MATERIALS FOR ACOUSTIC APPLICATIONS