A resin having a small linear thermal expansion coefficient and a low absorbance is provided. The resin is characterized by including at least one structure selected from structures represented by the following general formulae (1) and (2):
本发明提供了一种线性热膨胀系数小、吸
水性低的
树脂。该
树脂的特点是至少包括一种结构,这些结构选自以下通式(1)和(2)所代表的结构: