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. Panel Production
  2. Eagle
  3. Design Rules
    1. Mechanical Processing
    2. Solder Mask
    3. Silk Print
    4. Copper
      1. Why is it necessary to maintain a clearance between copper areas and the routing outline?

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      2. Why do gaps in grounded areas or text have to be avoided when they are smaller than the fabrication tolerances for circuit path thickness and default clearance?

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      3. Why is the drill pad size in the inner layers required to be larger than in the outer layers?

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      4. Why is the clearance of drillings in the inner layers required to be larger than on the outside?

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      5. Why is it necessary to apply text printings on copper layers?

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      6. Why is it necessary that the line thickness of text and logos correponds to the thickness of common circuit paths?

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      7. Which drillings are carried out plated-through and which type of pads are applied?

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      8. Do I have to include drill-hole allowances in the layout?

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      9. Is fabrication possible with delivered films?

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      10. Is fabrication possible with delivered photos?

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      11. Is the fabrication of grounded areas possible without solder mask lacquer?

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      12. Is the layout modified or adjusted before the fabrication process?

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      13. What is a cauterisation allowance?

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      14. How large are the respective cauterisation allowances for printed circuit boards?

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  4. Layout Requirements
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