IPC-4101D-WAM1 Brings Significant Changes and Clarifications

If you need the most current specifications for PCB materials used in rigid or multilayered printed boards, then it is time to upgrade to IPC-4101D-WAM1. This newly revised standard brings critical updates to the already valuable IPC-4101D, Specification for Base Materials for Rigid and Multilayer Printed Boards.

Why wait? Upgrade to the IPC-4101D-WAM1 today!

IPC-4101D-WAM1 delivers key updates for board designers, specifiers of board materials, and OEM’s who use and keep boards current with base materials used in PCBs.

This revision:

  • covers requirements for laminate or prepreg base materials used primarily for rigid and multilayer printed boards for electrical and electronic circuits
  • contains 64 individual, keyword searchable specification sheets, including a brand new sheet that expands offerings for commercially available laminates and prepregs
  • clarifies what is stated in the original release of IPC-4101D for the FR-4.0 materials as “None” for inorganic filler content, now states “<5%” is allowed
  • adds table 3-10, Permissible Laminate Substitutions for Specification Sheets /21, /24, /26 and /30


This revision brings significant changes and clarifications. Learn more about how these updates can benefit you. Order IPC4101D-WAM1 today!



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