LOCTITE® ECCOBOND UF 3812

Vlastnosti a výhody

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.
Viac info

Technické informácie

Aplikácia Nedostatočné plnenie, Zapuzdrenie
Doba spracovateľnosti 1.0 deň
Farba Čierna
Koeficient tepelnej rozťažnosti (CTE), Above Tg 175.0 ppm/°C
Koeficient tepelnej rozťažnosti (CTE), Below Tg 48.0 ppm/°C
Modul skladovania, DMA @ 25.0 °C 3-point bending 3004.0 N/mm² (435580.0 psi )
Plán vytvrdnutia, @ 130.0 °C 10.0 min.
Spracovateľnosť 3.0 deň
Spôsob vytvrdzovania Vytvrdzovanie teplom
Teplota priepustnosti skla (Tg) 131.0 °C
Teplota skladovania -20.0 °C
Viskozita, Physica @ 25.0 °C Spindle CP50-1, Shear Rate 1,000 s⁻¹ 350.0 mPa.s (cP)