UGPCB

4 레이어 PCB 설계 & Manufacturing – High-Density Multilayer Circuit Boards

무엇입니까? 4 레이어 PCB?

A 4-layer Printed Circuit Board (PCB) is an advanced 전자 구성 요소 that consists of four layers of conductive material, 일반적으로 구리, 절연 층으로 분리됩니다. This multilayer structure allows for complex circuit designs with high density and improved performance.

4 레이어 PCB

설계 요구 사항

Designing a 4-layer PCB involves several key considerations:

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The 4-layer PCB functions by providing a platform where electronic components can be mounted and interconnected using conductive pathways etched into the copper layers. These pathways are separated by insulating layers, preventing electrical shorts while allowing signals to pass through via plated through-holes or vias.

응용

복잡성과 신뢰성으로 인해, 4-층 PCB are widely used in various consumer electronics including:

분류

4-layer PCBs can be classified based on several factors:

사용된 재료

The primary materials used in manufacturing 4-layer PCBs include:

성능 특성

Key performance attributes of a 4-layer PCB include:

구조적 구성

구조적으로, a 4-layer PCB comprises:

독특한 특징

Some notable features of a 4-layer PCB are:

생산 과정

The manufacturing process of a 4-layer PCB involves several steps:

  1. 디자인 및 레이아웃: 전문 소프트웨어를 사용하여 회로 패턴 생성.
  2. 재료 준비: 기본 재료를 크기에 맞게 절단하고 표면을 청소합니다..
  3. 라미네이션: 열과 압력을 가해 개별 레이어를 적층하고 접착.
  4. 에칭: 원하는 회로 경로를 형성하기 위해 과도한 구리를 제거합니다..
  5. 도금: 비아와 노출된 구리 영역에 얇은 금속층 추가.
  6. 솔더 마스크 적용: Applying the green, 하얀색, 빨간색, or black coating to protect traces.
  7. 표면 처리: Applying immersion gold, OSP, or lead-free HASL for solderability.
  8. 최종검사: 배송 전 품질과 기능성 보장.

사용 사례

Common scenarios where a 4-layer PCB might be employed include:

요약하면, the 4-layer PCB represents a significant advancement in 인쇄 회로 기판 기술, offering unparalleled complexity and performance for modern electronic applications. Its design flexibility combined with superior signal integrity and durability makes it an essential component in the development of next-generation consumer electronics and beyond.

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