상세정보
학술대회
Development of Laser-Assisted Bonding with Compression (LABC) Process for 3D IC Integration
- 발행일
- 201910
- 출처
- International 3D Systems Integration Conference (3DIC) 2019, pp.1-3
- 협약과제
- 19PB1600, 유연 디스플레이소자용 열공정 기술 및 장치 개발, 최광성
- 초록
- Laser-Assisted Bonding with Compression (LABC) technology with NCF was proposed to accomplish the productivity and process reliability at the same time. A quartz block as a header was used to deliver a pressure to the devices because of its extremely low absorption of the laser during the bonding process. Newly developed NCF for LABC was designed to have stability on a hot stage and to show solder wetting and fast curing with no void and optimal fillet during the LABC bonding process. As the laser is used as a heat source, the uniform heat should be provided on each interconnection without any damages on chip or a substrate. 780μ-Thick daisy chain top and bottom chips with the minimum pitch of 30m and bump number of about 27, 000 were successfully bonded using the LABC and NCF film.
- KSP 제안 키워드
- 3D IC Integration, Bonding process, Fast curing, Heat source, Hot stage, Laser-Assisted Bonding, Process reliability, daisy chain