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12L 2+N+2 HDI PCB Manufacturer | High-Density 12-Layer PCB

What is a 12L 2+N+2 HDI PCB?

A 12L 2+N+2 HDI PCB refers to a twelve-layer Hochdichteverbindung (HDI) Leiterplatte, featuring two core layers flanked by N signal layers and another two core layers. This configuration allows for high density interconnections, making it suitable for advanced electronic applications. The “2+N+2” designation indicates the arrangement of the core and signal layers.

Konstruktionsüberlegungen

Designing a 12L 2+N+2 HDI PCB involves several critical factors:

Wie funktioniert es?

The functionality of a 12L 2+N+2 HDI PCB relies on its multilayer structure and the use of high-density interconnects. Each layer serves a specific purpose:

Anwendungen und Klassifizierungen

Diese Leiterplatten are primarily used in intelligent digital products where compact size and high performance are crucial. They can be classified based on their complexity and the number of layers, with the 12L 2+N+2 configuration being highly versatile for various applications.

Materialien und Leistung

Constructed from FR-4 ITEQ, these PCBs offer excellent thermal stability and mechanical strength. The blue/white color scheme aids in visual inspection and troubleshooting. The finished thickness of 1.6mm provides a robust yet flexible board suitable for intricate designs.

Struktur und Merkmale

The unique structure of a 12L 2+N+2 HDI PCB includes:

Produktionsprozess

The manufacturing process involves several sophisticated steps:

  1. Materialvorbereitung: Selecting high-quality FR-4 substrate and copper foils.
  2. Schichtstapel: Arranging the layers in a precise order to achieve the desired “2+N+2” configuration.
  3. Bindung: Mithilfe von Hitze und Druck werden die Schichten miteinander verbunden.
  4. Radierung: Auftragen von Ätzmittel, um überschüssiges Kupfer zu entfernen, Es bleiben nur die gewünschten Leiterbahnen übrig.
  5. Überzug: Adding a thin layer of metal to improve conductivity and solderability.
  6. Oberflächenbehandlung: Applying immersion gold plus OSP to protect against oxidation and enhance solderability.
  7. Qualitätskontrolle: Durchführung gründlicher Inspektionen und Tests, um sicherzustellen, dass jedes Board strengen Qualitätsstandards entspricht.

Anwendungsfälle und Szenarien

12L 2+N+2 HDI PCBs are ideal for use in intelligent digital products where miniaturization and high performance are critical. Gemeinsame Anwendungen umfassen:

Abschließend, the 12L 2+N+2 HDI PCB represents a pinnacle of innovation in PCB technology, bietet unübertroffene Dichte, Leistung, und Zuverlässigkeit für die anspruchsvollsten Anwendungen der Unterhaltungselektronik.

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