PROTECTIVE FILM AGENT AND METHOD FOR PROCESSING WORKPIECE

• Main Authors: OSAWA SHO, RYO SENICHI, OHURA YUKINOBU
• Format: Patent
• Language: English; Korean
• Published: 21.03.2023
• Subjects: ADHESIVES; BASIC ELECTRIC ELEMENTS; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; CORRECTING FLUIDS; DYES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FILLING PASTES; INKS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; SEMICONDUCTOR DEVICES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; USE OF MATERIALS THEREFOR; WOODSTAINS

A protective film agent capable of forming a protective film suitable for processing with a laser beam is provided. The protective film agent coated on a workpiece during processing includes a water-soluble resin, a light absorber having a flavone structure, flavonol structure, or isoflavone structure, and a solvent dissolving the resin and the light absorber. (과제) 레이저 빔으로의 가공에 적합한 보호막을 형성할 수 있는 보호막제를 제공한다. (해결 수단) 피가공물을 가공할 때에 피가공물에 피복되는 보호막제로서, 수용성의 수지와, 플라본 구조, 플라보놀 구조, 또는 이소플라본 구조를 갖는 광 흡수제와, 수지와 광 흡수제를 용해하는 용매를 포함한다.