ONANO 悅城科技,悅城科技為一專業之光電玻璃薄化廠，主要從事精密光電TFT-LCD、OLED、太陽能等玻璃減薄之開發及量產製造(蝕刻、玻璃基板拋光加工)

   2.5D Type

• Many of those chips stacked vertically like floors in Taipei 101 building.
• New interconnects and many ubumps connect one DRAM chip to the next.
• Ceramic interposer and micro meter bumps also used to connect the SoC/GPU/CPU, Analog and RFIC to the ceramic substrate.