| 摘要 |
<p>When manufacturing a vacuum enclosure of an image display unit, degassing is performed by baking a back-side substrate (4) provided with a plurality of strip-like slender spacer (8) in a standing state. In this time, radiant heat is applied to the upper side of the spacer (8), to prevent the radiant heat reaching the side of the spacer (8), and to prevent an increase in a temperature difference between the spacer (8) and back-side substrate (4).</p> |
