Photosensitive thermosetting resin composition, and photoresist-coated printed circuit board and method for producing the same

The present invention provides a photosensitive thermosetting resin composition which has excellent storage stability and can give photoresists excellent developability, dryness to contact, flexural resistance, adhesiveness, coating film transparency, HAST (highly accelerated temperature and humidit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SATOU, KIYOSHI, USUI, YUKIHIRO, KUROYANAGI, YASUHIRO, KUNOU, TOSHIMITSU, KOGA, YUKIHIRO
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The present invention provides a photosensitive thermosetting resin composition which has excellent storage stability and can give photoresists excellent developability, dryness to contact, flexural resistance, adhesiveness, coating film transparency, HAST (highly accelerated temperature and humidity stress test) resistance (especially HAST resistance in electric insulating property), heat shock resistance, and the like. Furthermore, the present invention also provides a smoothed printed circuit board having the excellent photoresist and a method for producing the same. This photosensitive thermosetting resin composition is characterized by comprising an unsaturated group-containing polycarboxylic acid resin [I], a diluent [III], a photopolymerization initiator [IV], a crystalline epoxy resin [V] represented by below formula (V), and a hardening adhesiveness-imparting agent [VI].