If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. Alumina DPC ceramic substrate(Direct Plating Copper)Alumina DPC ceramic substrate Direct Plating Copper Material: Alumina ceramic Thickness: 0.5 Graphic tolerance: ±0.03 Product size: 109.2*54.5mm Tolerance: ±0.05 Warp (mm): 0.003/mm Features: Ceramic thermal conductivity>24, with high line accuracy, high surface flatness, high insulation and high thermal conductivity, low thermal expansion coefficient, circuits can be vertically interconnected LED, laser, optical communication, laser radar Please enable JavaScript in your browser to complete this form.Please enable JavaScript in your browser to complete this form.Name *Email *PhoneProduct InquirySubmit Please create Inquiry form and add Related Shortcode.