HDI boards are generally manufactured using a lamination method. The more laminations, the higher the technical level of the board. Ordinary HDI boards are basically laminated one time. High-level HDI adopts two or more layered technologies. At the same time, advanced PCB technologies such as stacked holes, electroplated holes, and laser direct drilling are used.The following is about EM-890K HDI PCB related, I hope to help you better understand EM-890K HDI PCB.
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