LOCTITE® ECCOBOND UF 3812

Características e Vantagens

Reworkable epoxy underfill encapsulant for CSP, WLCSP, and BGA production. Compatible with most lead-free solders.
If you're looking for a halogen-free underfill that shows stable performance under thermal stress, consider LOCTITE® ECCOBOND UF 3812™. This black-liquid, epoxy-based underfill showcases excellent thermal cycle performance and sturdy electrical performance under thermal and humid bias. Our ECCOBOND UF 3812™ solution can be used with most Pb-free solders; is designed for the production of CSPs, WLCSPs, and BGAs; and is formulated to flow at room temperature with no additional preheating required.
Ler mais

Informação Técnica

Aplicações Deficiência de material, Encapsulamento
Coefficiente di espansione termica (CTE), Above Tg 175.0 ppm/°C
Coefficiente di espansione termica (CTE), Below Tg 48.0 ppm/°C
Cor Negro
Cronograma de cura, @ 130.0 °C 10.0 min.
Modulo de armazenamento, DMA @ 25.0 °C 3-point bending 3004.0 N/mm² (435580.0 psi )
Temperatura de armazenamento -20.0 °C
Temperatura de transição do vidro (Tg) 131.0 °C
Tempo de aplicação 1.0 dia
Tipo de cura Cura de Calor
Vida de mistura 3.0 dia
Viscosidade, Physica @ 25.0 °C Spindle CP50-1, Shear Rate 1,000 s⁻¹ 350.0 mPa.s (cP)