Process schematic diagram
Introduction
ETS(Embedded Trace Substrate) process, is a kind of coreless process, the difference is: There is a the circuits pattern layer formed on the surface copper foil of detach core, and then laminating prepreg on the circuits pattern layer which the fine trace is embedded in the dielectrics; separating the multi-layer board to two boards; removing the surface copper by etching and forming a “Embedded Trace”Layer finally.
The ETS substrate is used in extremely high intensive I/O count applications, such as memory chips, and the process is as follows
Process schematic diagram
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Electronic manufacturing services and printed circuit board assembly.
EMS provides a wide range of electronic manufacturing services, including everything from circuit board design to supply chain management to assembly, testing and after-sales support.
PCBA is a link in EMS that focuses on the assembly of printed circuit boards, covering component placement, soldering and related testing, connecting electronic components to manufactured printed circuit boards.
Title: Semiconductor manufacturing processes Objective: To have a certain foundation for the overall...
