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  • Cu-Dia

    arCuDia

    Heat spreader for high-end applications

    Dimension

    Width : ~ 108mm

    Length : ~ 108mm

    Thickness : ≥0.7 mm

    Features

    독자 구조 특허 보유

    Hole, Ear, Rectangular 타입 구현 가능

    표면 처리 : Cu, Ni, Au

    구리-다이아몬드 신소재 복합소재

    높은 열전도율(TC)과 낮은 열팽창계수(CTE)를 갖춘 고성능 방열 기판

    반도체 패키지용 세계 최고 수준의 방열 기판

    Typical Properties

    arCuDia = ar (aero space) Cu-Diamond structure

    Model *arCuDia
    Structure Copper-Diamond
    Dia. Volume ratio 45±5% 35% ±5% arCuDia 35%+Cu Cladding(100㎛)
    Internal Structure Image
    CTE
    (ppm/K)
    RT 7.2 8.5 9.1
    RT~200°C 8.4 9.7 10.1
    RT~400°C 9.3 10.5 10.7
    RT~800°C 10.5 11.7 12.0
    Thermal conductivity (W/m K) ~1000 ~800 600~650
    *Values may vary depending on the upper and lower Cu skin thickness.
    Thickness (mm) 2.0 ≤t 0.7 ≤ t Cu 100㎛ /CuDia 800㎛ / Cu 100㎛
    좌우 스크롤

    TC vs. CTE

    Thermal cycling test based on MIL-STD-883K-C GaN on SiC on Cu-Diamond: -65 ~ +150°C, 1,000 cycling

    GaN/SiC Die bonded
    at 300°C with AuSn

    01Solid bonding interface

    02No cracks / No bowing / No voids

    03No delamination in bonding interface


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