| 摘要 |
<p>The present invention relates to an insulating material including a first basic material; a first bubble layer having a plurality of bubbles arranged at constant intervals and formed on the first basic material; a second basic material laminated on the first bubble layer; and a second bubble layer having a plurality of the bubbles arranged at the constant intervals and formed on the second basic material. The bubbles of the second bubble layer are laminated to cross the bubbles of the first bubble layer.</p> |
