Importance

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Abstract

A saggar may include: a ceramic part of ceramic with a box shape, the ceramic part including an outer bottom surface and an outer side wall; and a metal part having a box shape, the metal part including an inner bottom surface and an inner side wall, the metal part being removably disposed inside the ceramic part, wherein when the metal part is inside the ceramic part at a room temperature, a clearance is defined between the outer and inner side walls, the outer side wall includes at least a pair of recesses, in a plan view of the metal part, the pair of recesses is at positions facing each other across a center of the metal part, the metal part includes at least a pair of flanges, and when the metal part is inside the ceramic part, the pair of flanges is located within the pair of recesses.

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First Claim