| 摘要 |
This optical fiber tape core is provided with a glass fiber and a coated resin layer for coating the glass fiber, the coated resin layer having a plurality of layers, the maximum major diameter at -40°C of a void formed in the first layer in contact with the glass fiber among the plurality of layers being 100-300% of the maximum major diameter at 23°C, and alternatively, the maximum major diameter at -40°C of a void formed in the first layer being 100-600% of the maximum major diameter at 23°C and the Young's modulus of the first layer being 0.3 MPa or less. |
