PCB - FAQ & Co.

PCB - FAQ & Co.

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. What has to be considered in designing the layout of flexible printed circuits?

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  2. What are the advantages of flexible printed circuits (FPC)?

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  3. Can circuit paths be placed at will on FPCs?

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  4. Do I have to consider certain directions or angles for placing circuit paths on flexible PCBs?

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  5. Can I be creative in designing the layout of flexible printed circuit boards?

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  6. Which base materials are used for Flex-PCBs?

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  7. Is it recommendable to apply tear-drops for connecting the pads?

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  8. How thick is the copper layer on flexible printed circuits (FPC)?

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  9. Are flexible PCBs RoHS-compliant?

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  10. How thin are flexible printed circuits (FPC)?

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  11. What are the delivery periods for flexible printed circuit boards?

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  12. Where are most of the flexible PCBs applied?

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  13. Is it possible to order production-run amounts when I am satisfied with the fabricated prototypes?

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  14. Does polyimide have any disadvantages?

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  15. Which mechanical procedures can be applied when fabricating flexible PCBs?

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  16. Can flexible printed circuit boards be used for high-frequency applications?

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  17. What is the value for the dielectricity constant of flexible polyimide foils?

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  18. What is the value for voltage resistance of polyimide?

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  19. What is the value of leakage resistance (CTI) of polyimide?

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  20. Is specialised machinery required for the fabrication of flexible PCBs?

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  21. What is the Tg of Flex-boards?

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  22. Are flexible printed circuit boards UL-compliant?

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  23. Are polyimide and Kapton identical?

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  24. What is the maximum operating temperature of flexible PCBs with polyimide foil?

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  25. What is polyimide?

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    Polyimide [PI] is a thermoplastic material for high-temperature applications. It has a high deformation and voltage resistance and as a glue-free foil substrate suitable for high-frequency applications.


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  26. Is it possible to mount SMDs onto flexible printed circuits (FPC)?

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  27. Is it possible to carry out double-sided FPCs with LeitOn Flex?

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  28. Is it possible to carry out flexible multi-layer FPC with LeitOn Flex?

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  29. May flexible printed circuits (FPC) be buckled?

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  30. Is a soldering mask lacquer applied onto flexible printed circuits (FPC)?

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  31. Which surface materials can be chosen for flexible printed circuits (FPC)?

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  32. Is it possible to apply plated-through drillings throughout the flexible printed circuits (FPC)?

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  33. What do I have to consider to achieve the highest ductility possible for flexible printed circuits (FPC)?

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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.vdlev.org
    VDL - Verband der Leiterplattenindustrie
  • 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.
  • http://news.google.de/news
    Worldwide news about Printed Circuit Boards (PCBs)

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LeitOn Leiterplattenproduktion Berlin

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