Invention Grant
US09572200B2 Disk having an electric connecting element and compensator plates 有权
磁盘具有电连接元件和补偿板

Disk having an electric connecting element and compensator plates
Abstract:
A disk with at least one connecting element having compensator plates, including; a substrate having an electrically conductive structure on at least one partial region of the substrate, at least one compensator plate on at least one partial region of the conductive structure, at least one electric connecting element on at least one partial region of the at least one compensator plate, a lead-free soldering mass which connects the compensator plate via at least one contact surface including; one partial region of the electrically conductive structure, wherein the difference of the thermal expansion coefficient of the substrate and the compensator plate is less than 5×10−6/° C. and wherein the connecting element comprises copper.
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