Conductive phase (metal powder) Adhesive phase (glass powder) Organic carrier electronic paste

The main components of electronic paste are conductive phase, adhesive phase, and organic carrier, in addition to diluents and organic additives

Conductive phase (metal powder) Adhesive phase (glass powder) Organic carrier - Three roll grinding——electronic paste

Classification of electronic pastes

As an electronic technology material, there are many classification methods for electronic pastes. According to the properties and applications of thick films, pastes can be divided into conductor pastesresistance pasteThere are five categories: dielectric slurry, insulation slurry, and encapsulation slurry.

According to their usage, they can be divided into general-purpose pastes (for making general thick film circuits), specialized electronic pastes (photovoltaic pastes, photoresist pastes, etc.)Thermistor pasteThese two categories.

According to the type of substrate, electronic pastes can be divided into ceramic substrate pastes, polymer substrate pastes, metal insulation substrate pastes, glass substrate pastes, and composite substrate pastes.

According to the price of conductivity, it can be divided into precious metal pastes (silver, palladium, platinum, ruthenium based and gold pastes, etc.) and base metal pastes (carbon, nickel, copper, molybdenum manganese, etc.).

According to the heat treatment process, it can be divided into three categories: high-temperature slurry (>1000 degrees Celsius), medium temperature slurry (300-1000 degrees Celsius), and low-temperature drying slurry.

1. Tungsten pasteConsistent with the shrinkage rate of ceramics, the bonding strength between sintering and ceramics is good.

The thickness of the tungsten slurry coating after sintering is about 0.0127mm.

3. Tungsten paste can meet the process requirements of printing and small hole filling.

4. The size of metal particles in tungsten slurry can be controlled within 2 microns, with good dispersibility.

5. The viscosity of tungsten paste can be adjusted according to specific customer requirements.

6. Suitable for high temperatures ranging from 1300 ℃ to 1700 ℃
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