| abstract |
The invention discloses a kind of ceramic capacitance materials, are mainly prepared from the following raw materials in parts by weight：0.2 0.3 parts of 20 30 parts of strontium carbonate, 20 30 parts of barium carbonate, 30 50 parts of butyl titanate, 23 parts of ammonium ceric nitrate, 0.5 1 parts of glass fibre and manganese nitrate.Be prepared using sol-gal process, final products dielectric properties are excellent, be affected by temperature variation it is small, it is at low cost. |