Invention Grant
US09448207B2 Quality evaluation apparatus, quality evaluation method, and evaluation substrate 有权
质量评估装置,质量评价方法和评价基板

Quality evaluation apparatus, quality evaluation method, and evaluation substrate
Abstract:
In a quality evaluation method, an evaluation substrate that includes a mounting region, in which a multilayer capacitor is to be mounted, in a center portion of the evaluation substrate is fixed in place using a plurality of fixed portions at corner portions of the evaluation substrate, each of which is a same distance from the mounting region. A voltage is applied to the multilayer capacitor mounted on the mounting region of the evaluation substrate. Sound is collected using a microphone that is near the multilayer capacitor mounted on the evaluation substrate.
Information query
Patent Agency Ranking
0/0