METHOD FOR MANUFACTURING JOINED BODY, JOINED BODY, AND HOT-MELT ADHESIVE SHEET
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United States of America Patent
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Issued Date -
Sep 14, 2023
app pub date -
Jun 3, 2021
filing date -
Jun 3, 2021
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Abstract
A method for manufacturing a joined body includes subjecting a first electronic component and a second electronic component to thermocompression bonding with a hot-melt adhesive sheet interposed therebetween. The hot-melt adhesive sheet includes a binder and electroconductive particles. The binder includes a crystalline polyamide resin and a crystalline polyester resin. When a melt viscosity of the hot-melt adhesive sheet is measured under a condition of a heating rate of 5° C./min. the hot-melt adhesive sheet has a ratio of a melt viscosity at 20° C. lower than a thermocompression bonding temperature to a melt viscosity at the thermocompression bonding temperature of 10 or higher.
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