Insulative Epoxy Adhesive Film
FM23-79SI¡¡(Experimental)
Application
  Die Attach & Encapsulation. 
  Thin dies & Stacked dies.
Features
  Excellent moisture resistance. 
  Low temperature cure(120-150℃) with high moisture resistance.
  Low stress (Low warpage/die & substrate).
  Low void.
  High Tg (high temperature resistance).
  Thin film (25-50¦Ìm).
  Low ionic impurities.
  Low melt viscosity.
Typical Data
Major component: Epoxy resin/phenolic novolac Hardener/silica
Appearance: Natural color (For encapsulation, black color available)
Film thickness: 20, 30, 50 ¦Ìm
Gel time: 150℃/ 15sec
Glass transition temperature: Tg1: 61℃¡¡Tg2: 210℃
CTE: 66ppm(RT-61℃), 56ppm(61-210℃), 87ppm(above Tg2)
Modulus of elasticity: 0.3GPa
Adhesive strength: Fig.1 (1.6 x 3.2 mm ceramic chip)
Warpage(¦Ìm /¦Ìm /14mm): 0.3
Die Shear strength (1.6X3.2 die): >15Kg
Ionic Impurities: Cl: ≤ 50ppm
Water absorption: 1.7 % P.C.T. 20hr/1.9atm
Shelf life: 40 days (film)/-20℃
Pot life: 20 days (film) @25℃