EVALUATION DEVICE, EVALUATION SYSTEM, EVALUATION METHOD, AND PROGRAM

• Main Author: ISHII JUNJI
• Format: Patent
• Language: English; Japanese
• Published: 02.05.2024
• Subjects: CASTING; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MEASURING; PERFORMING OPERATIONS; PHYSICS; POWDER METALLURGY; TESTING; TRANSPORTING; WORKING METALLIC POWDER

To provide an evaluation device that can evaluate the ratio of at least one of connected particles and flattened particles included in inorganic powder, conductive slurry, or conductive paste.SOLUTION: Provided is an evaluation device for inorganic powder, conductive slurry including inorganic powder and an organic solvent, or conductive paste including inorganic powder, a binder resin, and an organic solvent, and the evaluation device has: an extraction unit that, by using a particle image of inorganic powder, conductive slurry, or conductive paste for learning, extracts the particle number, the particle diameter, and the particle maximum length of learned particles to be evaluated, from a particle image of inorganic powder, conductive slurry, or conductive paste for evaluation; and a calculation unit that, by using the extracted particle diameter and the particle maximum length of the particles to be evaluated, calculates the ratio of at least one of connected particles and flattened particles included in the inorganic powder, conductive slurry, or conductive paste for evaluation.SELECTED DRAWING: Figure 3 【課題】無機粉末、導電性スラリー、又は導電性ペーストに含まれる連結粒子及び扁平化粒子の少なくとも一方の割合を評価できる評価装置を提供すること。【解決手段】無機粉末、無機粉末と有機溶剤とを含む導電性スラリー、又は無機粉末とバインダー樹脂と有機溶剤とを含む導電性ペーストの評価装置であって、学習用の無機粉末、導電性スラリー、又は導電性ペーストの粒子画像を用いて学習済みの評価対象の粒子の粒子数、粒子径、及び粒子最大長を、評価用の無機粉末、導電性スラリー、又は導電性ペーストの粒子画像から抽出する抽出部と、抽出した評価対象の粒子の粒子径及び粒子最大長を用いて、評価用の無機粉末、導電性スラリー、又は導電性ペーストに含まれる連結粒子及び扁平化粒子の少なくとも一方の割合を算出する算出部と、を有する評価装置により上記課題を解決する。【選択図】図３