Questions & Answers
Frequently asked questions and answers about circuit boards, assembly, services and technologies

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Questions & answers about circuit boards, assembly and technologies

Here you can find several frequently asked questions and answers about our printed circuit boards. You may browse through the categories or use the search. If your question remains unanswered, please contact us by email, phone or contact form. We will reply you as soon as possible.

FAQ:

  1. Why do positioning prints on copper pads have to be avoided?

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  2. Which type of base material is used for printed circuit boards (PCB) by default?

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  3. Does LeitOn offer a board assembly service?

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  4. From which business sectors are clients from ordering at LeitOn?

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  5. What is masking lacquer or peelable mask?

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  6. Are there additional costs for the application of masking lacquer or peelable mask?

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  7. When is hard gold required?

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  8. What is the maximum continous operating temperature of printed circuit boards (PCB)?

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  9. How long is the lifespan of a printed circuit board?

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  10. Why are mounting prints removed from the pads?

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    The lacquer of mounting prints prevents an eventual flawless soldering. Therefore it is inevitable to pay close attention to that all printings maintain a sufficient distance of 0.3 mm, in particular to pads of surface mounted devices (SMD).


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  11. Is it possible to provide LeitOn with paste data for SMD-stencils?

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  12. Is fabrication possible with delivered laser paste stencils?

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Additional information about Printed Circuit Boards (PCBs):
  • wikipedia.org
    Online Encyclopedia - Topic PCBs
  • www.vde.com
    VDE - Verband Elektrotechnik Elektronik Informationstechnik e.V.
  • www.vdi.de
    VDI - Verein deutscher Ingenieure
  • www.zvei.de
    ZVEI - Zentralverband Elektrotechnik- und Elektronikindustrie e.V.
  • www.leuze-verlag.de
    Leuze Verlag - Literature about PCBs and PCB production
  • www.elektronikpraxis.vogel.de
    Elektronik Praxis - Magazine covering electronics in general and news in the PCB production industry.
  • www.elektor.de
    Elektor - Electronics Magazine with manuals and layouts for home made PCBs and PCBAs
  • www.ibfriedrich.com (Target 3001)
    The Engineering office Friedrich has been developing layout and CAD software for PCB design and Application Oriented Special Integrated Circuits (ASICs) since 1989.
  • www.cadsoft.de
    CadSoft offers user-friendly, powerful, and inexpensive solutions for PCB designs including circuit diagrams, layouts, and autorouting routines.
  • https://news.google.de/news
    Worldwide news about Printed Circuit Boards (PCBs)
Climate-neutral operation
since 2021
  • CO2 neutral through compensation
  • Circuit boards – green on the outside, also on the inside
Member of the Fachverband Elektronik-Design
  • Expertise through active exchange
  • Expertise through training and further education
ISO tested by the most renowned auditor in Germany
  • ISO 9001:2015 Quality Management
  • ISO 14001:2015 Environmental Management
UL approvals for various types of circuit boards
  • UL for rigid FR4 PCBs
  • UL for flexible circuit boards
  • UL for aluminum IMS boards