Patent ID: 8383533

Claim:
A low-temperature sintering ceramic material comprising a main constituent ceramic material containing about 48 weight % to about 75 weight % in terms of SiO 2 of Si, about 20 weight % to about 40 weight % in terms of BaO of Ba, and about 5 weight % to about 20 weight % in terms of Al 2 O 3 of Al, and an accessory constituent ceramic material containing, relative to 100 parts by weight of the main constituent ceramic material, about 2 parts to about 10 parts by weight in terms of MnO of Mn and about 0.1 parts to about 10 parts by weight respectively in terms of TiO 2 and Fe 2 O 3 of at least one selected from Ti and Fe, and substantially not comprising either of Cr oxide and B oxide.