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US08269514B2 Method and apparatus for multilayer support substrate 失效
多层支撑基板的方法和装置

Method and apparatus for multilayer support substrate
Abstract:
Embodiments of the present invention can relate to probe card assemblies, multilayer support substrates for use therein, and methods of designing multilayer support substrates for use in probe card assemblies. In some embodiments, a probe card assembly may include a multilayer support substrate engineered to substantially match thermal expansion of a reference material over a desired temperature range; and a probe substrate coupled to the multilayer support substrate. In some embodiments, the reference material may be silicon.
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