Patent ID: 6897172

Claim:
A dielectric ceramic obtained from a composition comprising: 30 to 90% by weight of a glass powder capable of depositing a diopside crystal, 1 to 40% by weight of a calcium titanate powder, a strontium titanate powder or a mixed powder the thereof having a mean particle size of 3 μm or smaller, and 0 to 60% by weight of at least one kind of a powder selected from the group consisting of Al 2 O 3 , TiO 2 , ZrO 2 , MgTiO 3 , BaTi 4 O 9 , La 2 Ti 2 O 7 , Nd 2 Ti 2 O 7 , Ca 2 Nb 2 O 7 , SrZrO 3 and CaZrO 3 , wherein said dielectric ceramic comprises a diopside crystal.