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. Mechanical Processing
2. Chemical Processing
3. Solder Mask
   1. Why is a miminum clearance needed with solder mask bridges?

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   2. Why is the solder mask required to be larger than the appropriate pads?

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

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   4. Is it possible to apply solder mask in different colours?

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   5. Is it possible to overprint plated-through drillings with solder resist?

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

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      This depends on the surface. Whereas the fabrication on chemical surfaces like tin is not problematic, uneven results may occur using the Hot-Air-Leveling (HAL) method during the blow process.

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4. Surface Finish
5. Silk Print
6. Base Materials
7. RoHS/WEEE
8. E-Test
9. Panel Production
10. Tolerances

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)