晶圆级扇入封装(WLCSP)
晶圆级芯片封装:
1M,Ball on UBM on Pad
1P1M,Ball on UBM with PI
2P1M,Ball on RDL without UBM
2P2M,Ball on RDL with UBM
工艺能力:
晶圆尺寸 :12英寸
芯片尺寸 :0.2x0.4 mm - 8x8 mm
晶圆厚度:≥500μm(12 inch)
介电材料:PI(聚酰亚胺)或PBO(聚对苯撑苯并二噁唑)
凸块下金属:溅射钛/铜薄膜
重布线宽/线距 :≥ 5um/5um
球间节距:0.20mm or 0.50mm