Development of low firing NPO based on (Ca,Sr)(Ti,Zr)O3 for Co-firing Cu electrode

Chen Su Chiang, Wen Hsi Lee, Hsueh Jen Yang, Ying Chieh Lee

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


In this study, a ceramic formulation based on (Ca,Sr)(Ti,Zr)O3 with sintering aids is investigated to reduce the sintering temperature below 1050°C for co-firing with Cu inner electrode. The present study deals with the fabrication of 0402 multilayer ceramic capacitors (MLCCs) based on the optimization of sintering aid and CSTZ formulation. The sintering profile in reducing atmosphere has been optimized to enhance the characteristics of the MLCCs with Cu inner electrode. MLCCs cofired with three Cu inner electrodes with 32m dielectric thickness show very promising performance (C ∼ 3.2pF/2 active layers; ESR∼30 Ω:τε = -15ppm/K; tgδ< 10 -4; I.R.> 1012Ω cm) and meeting NPO tempertaure characteristic (-55°C to 125°C ΔC/C< ±30 ppm).

Original languageEnglish
Pages (from-to)110-118
Number of pages9
Issue number1
Publication statusPublished - 2012 Jan 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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