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. DBC ceramic substrate(Direct Bonding Copper)DBC ceramic substrate Direct Bonding Copper Material: Alumina ceramic/ZTA Thickness: 0.32/0.635 Graphic tolerance: ±0.03 Product size: 109.2*54.5mm Peel strength:>5N/mm Insulation strength:>15K Features: Copper and ceramic are chemically bonded, and have the characteristics of high thermal conductivity, high insulation, high mechanical strength, and low expansion of alumina ceramics. It also has the high conductivity and excellent welding performance of oxygen-free copper,… 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.