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カテゴリ: Double Sided PCB

Double sided PCB boards square measure a typical tool in each production and image circuits. they permit a better density in elements and create egg laying of tracks a better method.

Same as an everyday printed circuit, Double sided boards square measure created with a substrate of non conductive material, over that a layer of copper is placed on high of it, and within the case of double sided boards, the copper is additionally stratified on all-time low aspect of the substrate.

As with any variety of printed circuit, there square measure blessings to the utilization of 1 kind over another.

Double sided boards, as I same earlier, permit a better density of element. this can be as a result of you have got an entire further layer wherever you'll be able to add tracks to attach the elements, releasing house on the opposite to put the elements nearer along or add further connections for IC with high pin counts.

Another advantage of victimisation double sided boards is that the magnified cooling that an additional layer of copper provides, this will be achieved within the etching method, solely removing enough copper to make the tracks, going away the additional copper rather than removing it utterly.
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When to Use Double Sided Boards

The decision to use double sided boards has to be thought of terribly rigorously, as a result of the value-added complexness in production and handling of the finished board, similarly because the prices associated will create employing a double sided board a sub optimum option to use in AN electronic circuit project.

The biggest thought is producing prices, as a result of most makers can charge further setup fees for process the additional aspect, not solely on etching and soldermask, however additionally on element layouts value-added within the silkscreen method.

Other value-added expenses might derive from the look method itself, since many further style issues should be taken into consideration to make sure correct functioning of the finished product, like inductive losses and parasitic capacitance poignant the performance of analog and high speed digital circuits.

If when these issues employing a double sided printed circuit is that the right alternative, then the benefits can very facilitate your finished circuit stand out and be a lot of purposeful.

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Reprinted from:Advantages of Double Sided PCB

双面和多层印刷电路板的制造

这是第一个在一系列文章,将解释什么是参与的印刷电路板(PCB)中制造工艺 A的双面印刷电路板和一多层电路板。这将是非常高级的概述要提供人是不熟悉在随着制造工艺的基础知识的PCB制造如何中。

当然,如果您在PCB行业,我会邀请您发表评论并分享您的想法。

双面PCB和多层PCB有什么区别?

双面PCB

双面PCB(也称为双镀通孔或DSPT)电路是高科技应用的门户。它们通过使用过孔在顶层和底层之间交替,允许更近(更多)的布线迹线。印刷电路板技术可能是业界最流行的PCB类型。
双面PCB电路板

双面PCB的优点:

设计师更灵活
增加电路密度
相对较低的成本
中间级别的电路复杂性
减小电路板尺寸(可降低成本)

双面PCB的应用

细线表面贴装,超高铜构造,高温和低温,焊料涂层,银色和金色饰面只是DSPT应用的几个例子。

以下是可以使用双面PCBS的应用:
  • 工业控制
  • 电源
  • 转换器
  • 控制继电器
  • 仪表
  • 监管机构
  • UPS系统
  • 电源转换
  • HVAC
  • LED照明
  • 硬盘
  • 打印机
  • 电话系统
  • 电力监控
  • 汽车仪表板
  • 线路电抗器
  • 测试设备
  • 放大器
  • 交通系统
  • 自动售货机
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多层PCB

多层PCB与双面PCB略有不同。

正如你可以看到右图,A 四层电路板开始以刚性芯体FR4和铜。内部内核处理对于痕迹那些优先于其他玻璃纤维和铜被添加,以及整个董事会层压在一起。

它像胶一样保持内芯粘附在外芯铜箔上。

它们与预浸料和内芯夹在一起,并放置在PCB层压机中。一旦冷却,玻璃纤维就会硬,整个板都很硬。

我们将在后面的文章中更详细地讨论这些步骤。

这是你的预期或想法吗?

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