LOCTITE® ECCOBOND UF 3812

Savybės ir privalumai

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.
Aprašymas

Techniniai duomenys

Darbo laikas 1.0 diena
Kietėjimo planas, @ 130.0 °C 10.0 min.
Kietėjimo tipas Kietėjimas veikiant šilumai
Klampumas, Physica @ 25.0 °C Spindle CP50-1, Shear Rate 1,000 s⁻¹ 350.0 mPa.s (cP)
Laikymo temperatūra -20.0 °C
Pritaikomumas Sandarinimas, Užpildymas ne iki galo
Saugojimo modulis, DMA @ 25.0 °C 3-point bending 3004.0 N/mm² (435580.0 psi )
Spalva Juoda
Stiklėjimo temperatūra (Tg) 131.0 °C
Tinkamumo naudoti trukmė 3.0 diena
Šiluminio plėtimosi koeficientas (CTE), Above Tg 175.0 ppm/°C
Šiluminio plėtimosi koeficientas (CTE), Below Tg 48.0 ppm/°C