Laser bonder (Semiconductor)

Introduction

  • 기존의 Hot plate 방식 대신 일정 강도의 Laser beam을 이용하여 Bonding하는 장비

Features

  • 반도체 소자에 열적 damage 최소화
  • 기존 reflow 설비의 대체 가능

Machine Key Specification

Features Requirement Remark
Wafer handling - 8, 12 inch
- Cassette recognition sensor for 8, 12inch wafer
8 inch wafer frame size 276mm
Process Thermo-Compression flip chip bonding including epoxy dispensing User will define required bonding head
Alignment
accuracy
+/‑2 microns at 3sigma
+/-0.02’ at 3sigma
Bonding accuracy
(n = 125) per head
Placement
accuracy
+/‑2 microns at range
+/-0.02’ at range
Bonding accuracy
(n = 10) per head
Die
thickness
3x3 ~ 6x6 : min 40um
6x6~10x10 :min 50um
10x10~15x15 :min100um
15x15~ :min 150um