PCB007 Magazine

PCB007-July2022

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JULY 2022 I PCB007 MAGAZINE 95 Figure 6: Various weld coupons. (Source: DIS, InduBond, and CEDAL product brochure) Figure 7: a) Cross-section of a complex 32-layer multilayer with different copper weights, core thicknesses, and sub-laminations; b) Close-up of bonding head and inner layer core weld coupon 2 . by the more than 250 systems being sold since 2000. e optical and pin alignment systems with their induction core welding have also been adapted for flex and rigid-flex layups. e advantages of pinless: • Increased layer-to-layer registration accuracy • Increased process predictability and registration data • Ability to characterize lamination press process • Ability to register thin cores accurately and consistently • Flexibility utilizing lamination plates b a

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