VERFAHREN ZUR HERSTELLUNG EINES SUBSTRATS FUER DIE GEDRUCKTE SCHALTUNGSTECHNIK.
摘要
A substrate for printed circuitry to which surface mountable components may be attached is formed by the successive steps of forming a laminate consisting of a layer of an alloy (50) (such as an alloy consisting of 42% nickel and 58% iron) having a low coefficient of thermal expansion sandwiched between layers (40) of aluminium, heat treating the laminate to cause aluminium to diffuse into the alloy layer and annealing the laminate.
申请公布号
DE3770985(D1)
申请公布日期
1991.08.01
申请号
DE19873770985
申请日期
1987.04.01
申请人
INTERNATIONAL BUSINESS MACHINES CORP., ARMONK, N.Y., US
发明人
MAHMOUD, ISSA SAID;SCHROTTKE, GUSTAV, AUSTIN, TX 78750, US