IPC-9121 AM1 is an amendment to IPC-9121 which provides updates to the Hole Preparation/Protection and Interconnect Formation sections, covering troubleshooting topics and guidance on nonconductive plugging paste, microvias and pattern plating rim voids. IPC-9121 AM1 also includes a new section on Flexible Circuits.
The IPC-1791-Am1 provides revisions and clarifications for requirements pertaining to CAGE Code, citizenship, security, foreign person access, traceability records and NIST SP 800-171 compliance.
The Amendment 2 to IPC-4103A-WAM1 made four fundamental changes to the base standard: All references to the epoxy curative of DICY (dicyandiamide) were removed; Opaque foreign inclusions were more specifically defined and limited; The optional properties of thermal conductivity for both laminates and bonding layers were added; and The dielectric constant (permittivity) ranges were specifically...
These procedures are additions to the IPC-7711B/7721B. Section 2: 3.11.1; 5.7.6; 5.8.1.1; 5.8.1.2; 5.8.1.3; Section 3: 4.7.4; 4.7.5; all released November 2011. Section 2: 5.5.7 released February 2013. The pages herein are authorized for download, reproduction, and printing for insertion into the IPC- 7711B/7721B. These procedures are not intended for previous versions of IPC-7711/7721