| 摘要 |
PROBLEM TO BE SOLVED: To provide a ceramic joined body or the like capable of suppressing a deformation amount in joint portions of a plurality of ceramic sintered bodies.SOLUTION: In a ceramic joined body 1, a plurality of ceramic sintered bodies 11 and 12 having the same compositions are joined via a joint portion 10. The joint portion 10 has the same composition as those of the ceramic sintered bodies 11 and 12. The existence ratio of voids in the joint portion 10 is in the range of 3 to 30%, preferably in the range of 3 to 5%. |
