US Patent No. 10,973,133

SACRIFICIAL STRUCTURE WITH DUMMY CORE AND TWO SECTIONS OF SEPARATE MATERIAL THEREON FOR MANUFACTURING COMPONENT CARRIERS


Patent No. 10,973,133
Issue Date April 06, 2021
Title Sacrificial Structure With Dummy Core And Two Sections Of Separate Material Thereon For Manufacturing Component Carriers
Inventorship Annie Tay, Singapore (SG)
Nikolaus Bauer-Oeppinger, Gramastetten (AT)
Giordano DiGregorio, Shanghai (CN)
Philips Dai, Shanghai (CN)
Assignee

Claim of US Patent No. 10,973,133

1. A semifinished product, comprising:a sacrificial structure;
two component carriers releasably formed on opposing main surfaces of the sacrificial structure;
wherein the sacrificial structure comprises a central structure and releasing layers on or over both opposing main surfaces of the central structure;
wherein the central structure comprises a dummy core being covered on or over both main surfaces thereof with a respective one of two spatially separated sections of separate dielectric material;
wherein the dummy core comprises a central layer and two electrically conductive layers on the central layer.