ALKALI-SOLUBLE PHOTOSENSITIVE COMPOSITION, DRY FILM, CURED PRODUCT OF ALKALI-SOLUBLE PHOTOSENSITIVE COMPOSITION, AND PRINTED WIRING BOARD EQUIPPED WITH CURED PRODUCT

• Main Authors: OTANI TOMOKO, YANAGIDA NOBUYUKI, MORI KANA
• Format: Patent
• Language: English; Japanese
• Published: 05.10.2023
• Subjects: APPARATUS SPECIALLY ADAPTED THEREFOR; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; CINEMATOGRAPHY; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; ELECTROGRAPHY; HOLOGRAPHY; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; MATERIALS THEREFOR; ORIGINALS THEREFOR; PHOTOGRAPHY; PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES; PHYSICS; PRINTED CIRCUITS

To provide a curable resin composition having excellent insulation reliability and dispersibility which suppresses whitening generated after development, a dry film of curable resin composition, a cured product, and a printed wiring board equipped with a cured product.SOLUTION: An alkali-soluble photosensitive composition satisfies any one or more of the following: silica contains carboxyl group-containing resin, polyfunctional monomer, photopolymerization initiator, and matting agent, and the matting agent is surface-treated; the matting agent is precipitated silica or colloidal silica surface-treated by polydimethylsiloxane or silane coupling agent; the matting agent is colloidal silica surface-treated by polydimethylsiloxane or silane coupling agent; and the matting agent is colloidal silica hydrophobized by polydimethylsiloxane.SELECTED DRAWING: None 【課題】現像後に生じる白化を抑制し、絶縁信頼性および分散性に優れた硬化性樹脂組成物、硬化性樹脂組成物のドライフィルム、硬化物および硬化物を備えたプリント配線板を得る。【解決手段】カルボキシル基含有樹脂、多官能モノマー、光重合開始剤、艶消し剤を含み、艶消し剤が表面処理されたシリカであること、艶消し剤がポリジメチルシロキサンまたはシランカップリング剤で表面処理された沈降性シリカまたはコロイダルシリカのいずれかであること、艶消し剤がポリジメチルシロキサンまたはシランカップリング剤で表面処理されたコロイダルシリカであること、艶消し剤がポリジメチルシロキサンで疎水化処理されたコロイダルシリカであること、のいずれか１つ以上を満たすアルカリ可溶性感光性組成物。【選択図】なし