An object of the present invention is to provide a positive photosensitive resin composition which has high sensitivity and which is highly heat resistant and reliable even when it is cured at a low temperature. Another object of the present invention is to provide a cured film which has high sensitivity and which is highly heat resistant and reliable even when it is cured at a low temperature, a protecting film, an insulating film and semiconductor and display devices using the same.
The positive photosensitive resin composition of the present invention comprises a polyamide resin and a photosensitive agent, wherein the polyamide resin has a specific structure. The cured film of the present invention comprises a cured product of the positive photosensitive resin composition. The protecting film and insulating film of the present invention comprise the cured film each. The semiconductor device and display device of the present invention comprise the cured film each.
本发明的一个目的是提供一种即使在低温下固化也具有高灵敏度和高耐热性及可靠性的正性感光
树脂组合物。本发明的另一个目的是提供一种即使在低温下固化也具有高灵敏度、高耐热性和高可靠性的固化膜、保护膜、绝缘膜以及使用这种膜的半导体和显示器件。
本发明的正感光
树脂组合物由聚酰胺
树脂和感光剂组成,其中聚酰胺
树脂具有特定的结构。本发明的固化薄膜包括正性光敏
树脂组合物的固化产物。本发明的保护膜和绝缘膜分别包括固化膜。本发明的半导体器件和显示器件分别包括固化膜。