LIQUID SEALING MATERIAL AND ELECTRONIC COMPONENT USING SAME

• Main Authors: KOHARA KAZUYUKI, ISHIKAWA SEIICHI, YOSHII HARUYUKI
• Format: Patent
• Language: English
• Published: 06.04.2015
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; SEMICONDUCTOR DEVICES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

The purpose of the present invention is to provide: a liquid sealing material which has excellent PCT (pressure cooker test) resistance; and an electronic component which is obtained by sealing a part to be sealed with use of the liquid sealing material. A liquid sealing material of the present invention contains (A) a liquid epoxy resin, (B) a curing agent, (C) a silica filler and (D) a coupling agent, and is characterized in that the boron content in the silica filler (C) has an average of 1-50 ppm.