High temperature sintered multi-layer ceramic capacitor (MLCC) slurry is a production process that requires sintering under high temperature conditions during the manufacturing of MLCC. Slurry is generally composed of metal powders (such as silver, gold, palladium, etc.) and some additives, which help to form a stable electrode structure during the high-temperature sintering process of the slurry. Here are some important information about

high-temperature sintered MLCC slurry:
1. Metal powder: The metal powder used in high-temperature sintering slurry must have excellent high-temperature stability and not undergo chemical reactions with the ceramic substrate during the sintering process. Common metal powders include silver (Ag), palladium (Pd), and their alloys, which have good conductivity and heat resistance.
2. Sintering temperature: High temperature sintering processes typically require higher temperatures, depending on the type of metal powder and ceramic material used. For example, when silver is used as the electrode material, its sintering temperature is generally between 800 and 900 ° C, and may even be higher in some cases, to ensure sufficient bonding between the electrode and the ceramic medium.
3. Additive composition: In addition to metal powder, the slurry may also contain various additives such as organic carriers, dispersants, and plasticizers. The introduction of these additives aims to improve the rheological properties and printing performance of the slurry, and enhance its stability and uniformity during high-temperature sintering process.
4. Process compatibility: High temperature sintered slurry must have good compatibility with ceramic dielectric materials to ensure strong interfacial bonding between the electrode and the dielectric after high-temperature sintering. This binding force is crucial for improving the overall electrical performance and long-term reliability of MLCC.
5. Performance requirements: The electrode formed under high-temperature sintering conditions should not only have excellent conductivity, adhesion, and compatibility with other components, but also have the ability to evenly coat the slurry on the ceramic substrate and maintain its shape stability during subsequent processing to avoid deformation due to temperature changes.
The design and development of high-temperature sintered MLCC slurry are of great significance for promoting the progress of MLCC technology and meeting the growing application demands. With the development of materials science, more efficient and cost-effective slurry formulations and technical solutions may emerge in the future.