Patent · US Expired

Aluminum-beryllium alloys having high stiffness and low thermal expansion for memory devices

US5840135A · kind A · utility

2Cited by

14References

1Claims

0Family size

Assignee

BRUSH WELLMAN, INC. · US

Inventors

Larry A. Grant · Saratoga, US
James M. Marder · Shaker Heights, US
Wayne L. Wright · Winston-Salem, US

Key dates

Filing date	May 2, 1996
Grant date	Nov 24, 1998
Priority date	—
Expiry date	May 2, 2016

Classification

Technology area (CPC G)Physics
CPC primaryG11B21/083
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Articles of manufacture are made of aluminum-beryllium alloys having substantially randomly distributed aluminum-rich and beryllium rich phases to provide substantially isotropic mechanical properties, such as high stiffness and low co-efficients of thermal expansion, whereby the articles of manufacture provide more rapid and accurate responses.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.