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Nickel paste for MLCC inner electrode
A requirement for thinner MLCC`s inner electrode has been increasing as MLCC has recently been more and more miniaturized and obtained higher capacity. DAIKEN has manufactured nickel paste for MLCC for years. We have now commercial production of new nickel paste which is developed for the thinner electrode, with having them under consideration such as selection of particle size with removal of coarse grinds and also percolation of solvent to the dielectric sheets. We offer it with customization in order to suit your conditions(printing, laminating, sintering), as only one and number one product to our respective customer.
MLCC (Multi Layer Ceramic Capacitor)As the following picture shows, MLCC has a structure of a lamination of the number of dielectric layers and electrode layers by turns and they are connected in parallel. It is one of indispensable passive components because of its small size, high capacity and excellent radio frequency characteristics, mainly used for mobile phones, computers, digital cameras, digital TV set and vehicle equipment.
Inner electrode paste
Electrode is created from a paste made of metal powders, resin, inorganic oxide and solvent. Those materials are mixed turned into paste form by the special mixing equipment. The paste printed on dielectric sheet is sintered and forms electrode. This paste is used for the inside of MLCC so that it`s called as inner electrode paste.
Cross section of MLCC
- Thorough removal of coarse grinds to making very thin electrode
3D laser microscope scans extraneous materials in a thin electrode after screen-print.(see following pictures)
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- Less lay-down
Our paste brings out high dispersibility so it can obtain Capacitance in spite of a less paste lay-down. (see following graph)
Variety of grades is available.
| Ni particle size | Print method | Temperature | Thickness (after sintering) |
Intended end-use |
|---|---|---|---|---|
| 0.6μm | Screen print | >1300℃ | >1.5μm | 1608-103, 2012-104 |
| 0.4μm | Screen print | 1250~1300℃ | 1.0~1.5μm | 1608-105, 2012-475, 3216-106 |
| 0.3μm | Screen print | 1200~1250℃ | <1.2μm | 1005-105, 1608-225, 2012-106, 3216-226 |
| 0.2μm | Screen print | 1200~1250℃ | <1.0μm | 0603-104, 1005-225, 1608-106, 2012-476 |
| 0.15μm | Screen print | <1200℃ | <0.6μm | 0603-105, 1005-476 |
Contact our Sales Department for details.
Tel: +81-6-6961-6533
Email:
Tel: +81-6-6961-6533
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