F14100系列欧姆接触银浆

Ohmic Contact Silver Paste Series

应用领域Application Field

本银浆为欧姆接触银浆，用于PTC、环形压敏电阻面电极的表面电极。

This silver paste is ohmic contact silver paste, applied to surface electrode of PTC thermistor and ring varistor.

特点Features

■ 低电阻率，欧姆接触性能佳

■ 欧姆接触银浆与二次银浆共烧，简化烧结

工艺和缩短加工时间

■ 可焊耐焊性好，附着强度

    ■ 符合环保要求，不含铅、镉

■ Low resistivity, excellent ohmic contact performance

■ Ohmic contact silver paste co-firing with second silver paste, simplify firing process and reduce the process time

■ Excellent solderable and soldering performance, high adhesion

■ Compliance environmental standard, lead and cadmium free

技术指标Technical Data

注：粘度检测条件为Brookfield LV 4#,25±0.5℃；以上指标可根据客户特殊要求定制。需用相应或相似可焊银浆做表面银浆匹配使用。

Remarks: viscosity test condition: Brookfield LV 4 #, 3rpm, 25±0.5℃. All specifications can be customized according to users needs; need corresponded or similar solderable silver paste for surface silver paste matching using.

建议工艺Suggest Process

搅拌：用专用稀释剂调整粘度至适合印刷，

用前必须搅拌均匀

丝印：底层为欧姆银浆、表层为二次银浆，200-350目不锈钢网或尼龙丝网

干燥：链式烘炉 120-150℃ 10分钟

排胶：350℃10-15min，通风良好使有机系分解

烧银：链式隧道炉 550~600℃10-15min (最高温度)

清洗：酒精或松节油或者两者混合溶剂

包装：1000g/瓶或500g/瓶

储存：阴凉处不冷冻，温度为18-25℃，6个月

Stirring: Adjust paste viscosity to suitable for printing by special

solvent and stirring well before using.

Printing: The bottom is ohmic silver paste, the surface is second silver paste; 200-350 mesh stainless steel or nylon

mesh

Drying: Tunnel kiln, 120-150℃, 10 minutes

Resin: Decomposition: 350℃for 10-15 minutes, full airflow to ensure good binder burn out.

Sintering: Tunnel drying furnace, 550-600℃, 10-15

minutes (peak temperature)

Cleaning: Turpentine, ethyl alcohol or mixed solvent

Package:1000 g/can or500 g/can

Storage: 18~25℃, six months