| 摘要 |
The present invention comprises the steps of: (a) drying a mixture comprising a glass powder, a binder and a solvent; (b) forming a first molded product by pressing the dried mixture; (c) burning out the binder by heat treating the first molded product; and (d) forming a second molded product by mold pressing the first molded product from which the binder was burned out, wherein the mold pressing is carried out at a working point, which is the temperature at which the viscosity of the glass powder becomes 104 poise or less. |
