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PCB Quality Guidelines

We only work with suppliers whose production corresponds to the worldwide accredited  IPC guidelines for circuit board production. These are as follows:

  • IPC-2222        for rigid circuit boards
  • IPC-2223        for flexible circuit boards
  • IPC-A-600      general requirements for circuit boards
  • IPC-SM-840    visual requirements
  • IPC-TM-650    adhesive strength soldering mask paint
  • IPC 4101        specification for the base material
                           thickness
  • IPC-7721        repairs and subsequent work
  • IPC-2221        degree of complexity

The degree of complexity describes the stage of producibility for circuit boards. The selected degree of complexity is attributed to the specific components of the conductive pattern – depending on the requirements.

  • Stage A: general design complexity (preferred)
  • Stage B: medium design complexity (Standard)
  • Stage C: high design complexity (limited producibility)

Please note:  details of the valid product class as well as requirements of complexity have to be indicated on the drawing. For drawings and orders without indications ES&S always applies to IPC-A-600, class 2, degree of complexity B.

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