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產品介紹

陶瓷散熱基板 薄膜製程

利用半導體薄膜製程中的濺鍍、電鍍/化學鍍沉積、曝光顯影等技術,在陶瓷板上做金屬化加工,刻畫電路圖形,開發出薄膜陶瓷基板製程(DPC,Direct Plate Copper,直接鍍銅基板)。

陶瓷散熱基板結合陶瓷優異之散熱能力及金屬之導體特性,具有熱傳導率佳、厚度薄、尺寸小等特點。結合薄膜製程更使其具有產品線路附著性佳、表面平整度高、及對位精準等優點,產品應用極為廣泛。

主要應用:

Substrate Physical Properties:

Characteristic Value AlN Al2O3 (96%)
Color Gray White
Density 3.3 g/cm3 3.7 g/cm3
Thermal Conductivity ≧170 W/mk ~22 W/mk
Coefficient of Thermal Expansion 4.6 x 10-6/℃ (R.T.~400℃) 7.3 x 10-6/℃ (25~800℃)
Dielectric Strength 15 KV/mm> 14 KV/mm (AC 60Hz)
Volume Resistivity ≧1013Ω‧cm ≧1014Ω‧cm (25℃)
Dielectric Constant 9.0 1MHz 9.4 1MHz
Bending Strength ≧330 MPa ≧320 MPa

Specification

Characteristic ALN Al2O3 (96%)
Substrate Part Dimensions Up to 4.5” x 4.5” Up to 5” x 5”
Dimensional Tolerance ±1% NLT ±0.1mm ±0.60%, NLT : ±0.08mm
Thickness 0.38 / 0.5 / 0.635 mm 0.38 / 0.5 / 0.635 / 1.0 mm
Thickness Tolerance ±10% > ±10.0%, NLT : ±0.05mm
Metalized Part Conductive Layer Cu-Ni-Au / Cu-Ni-Ag / Customized
Up to 100μm in Thickness
Via Hole φ75μm min
Pattern Construction Single Face / Double Face with Via Holes / Customized
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