| 专利名称： | Production method of multilayer ceramic electronic device |
| 公开（告）号： | |
| 公开（公告）日： | 2007-04-05 00:00:00 |
| 申请（专利）号： | US20060527574(US2007074806) |
| 申请日： | 2006-09-27 00:00:00 |
| 发明（设计）人： | TDK CORP (JP) |
| (申请)专利权（人）： | KOJIMA TATSUYA (JP);MASAOKA RAITARO (JP) |
| 内容： | By a production method for producing a multilayer ceramic electronic device including dielectric layers and internal electrode layers comprising the steps of forming a green sheet to be said dielectric layer after firing, forming a pre-fired electrode layer to be said internal electrode layer after firing in a predetermined pattern on said green sheet by using a conductive material paste, forming a green chip by successively stacking said green sheets and said pre-fired electrode layers, and firing said green chip: wherein the conductive material paste for forming said pre-fired electrode layer is composed at least of conductive material particles, a first common material composed of ceramic powder and a second common material composed of ceramic powder having a larger average particle diameter than that of said first common material; an average particle diameter of said first common material is 1/20 to 1/2 of an average particle diameter of said conductive material particles; and the average particle diameter of said second common material is 1/10 to 1/2 of an average thickness of said internal electrode layers after firing; a multilayer ceramic electronic device, such as a multilayer ceramic capacitor, wherein arising of cracks is effectively prevented, having a low short-circuit defect rate, a low voltage resistance defect rate and high capacitance is produced. |
发布日期：2007-08-27 09:54:00