Evaluation of Non-Uniform Deformation of Multi-Layered Ceramic Sheets with Printed Electrodes during Compression

Author:

Naruse Fumio1,Tada Naoya2

Affiliation:

1. Izumo Murata Manufacturing Co., Ltd

2. Okayama University

Abstract

With the recent trend of down-sizing and more efficient use of electric power in electric appliances, there is a growing need of smaller electronic components, such as multi-layered ceramic capacitors (MLCCs). However, it was found that the non-uniform deformation occurred in MLCC block during the pressing process and it hinders the miniaturization of MLCCs. In this study, compression tests of multi-layered ceramic sheets with printed electrodes were carried out and the deformation behavior was observed in situ and recorded by digital video camera. The change in area fraction and transverse displacement were evaluated and the deformation mechanism was inferred from the results.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference6 articles.

1. Murata Manufacturing Co., Ltd., Technical report, Tech On!, http: /techon. nikkeibp. co. jp/NEAD/special/murata09/ (accessed 2010-04-01).

2. Youichi MIZUNO, Tomoya HAGIWARA, Hiroshi KISHI, Microstructural Design of Dielectrics for Ni-MLCC with Ultra-thin Active Layers, Journal of the Ceramic Society of Japan, Vol. 115, No. 6 (2007), pp.360-364.

3. Hirokazu CHAZONO, Downsizing and Capacitance Extending in Ni-MLCC, CERAMICS JAPAN, Vol. 37, No. 11 (2002), pp.899-901.

4. Kenjiro GOMI, Kenji TANAKA, Hidehiro KAMIYA, Ultra-High-Pressure Cold Isostatic Pressing of Barium Titanate Ultrafine Particles, Journal of the Ceramic Society of Japan, Vol. 111, No. 1292 (2003), pp.271-276.

5. Yukio SAKABE, New Materials Design Challenges with Nanocrystals, CERAMICS JAPAN, Vol. 45, No. 2 (2010), pp.118-121.

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