NPFC - MIL-PRF-31032
PRINTED CIRCUIT BOARD/PRINTED WIRING BOARD, GENERAL SPECIFICATION FOR)
| Organization: | NPFC |
| Publication Date: | 1 November 1995 |
| Status: | inactive |
| Page Count: | 27 |
scope:
This specification establishes the general performance requirements for printed circuit boards or printed wiring boards (hereafter designated printed board) and the verification requirements for insuring that these items meet the applicable performance requirements. Certification and qualification to this specification allows manufacturer's to apply the QML program to printed boards procured to non-QML documents such as MIL-P-55110 and MIL-P-50884 (see 6.3.4 and 6.5). The intent of this specification is to allow the printed board manufacturer the flexibility to implement best commercial practices to the maximum extent possible while still providing product that meets military performance needs (see 6.3.3). The principle concepts which allow this flexibility are as follows:
a. The manufacturer forms an internal quality review system or organization referred to in this document as the Technical Review Board (TRB)(see 6.4.37). The TRB is responsible for the implementation of a quality management (QM) plan (see 6.4.31).
b. A relationship is established between the manufacturer and the qualifying activity.
The process to implement this specification can be summarized as follows:
a. Self-validation: The TRB verifies the implemented QM plan.
b. Certification: The qualifying activity leads a team to validate the TRB's effectiveness in implementing their QM plan.
c. Qualification: The manufacturer demonstrates capability to produce a printed board technology.
d. Maintenance: The TRB keeps the qualifying activity informed on the status of its QM program.
The main body of this document describes the requirements for obtaining a Qualified Manufacturers List (QML)(see 6.4.26) listing. The appendices of this document are intended to aid the manufacturer in developing its verification program. Appendices A and D are not mandatory. Appendices B, C, and E are mandatory. Appendix A is guidance that describes a quality management approach using a TRB concept. Appendix B contains qualification procedure requirements. Appendix C contains the conformance inspection requirements. Appendix D is guidance that describes techniques for test optimization (see 6.4.38). Appendix E provides statistical sampling and basic test and inspection requirements. Sectional associated specifications (see 6.4.2) contain the performance requirements and verification methods for printed boards by technology. Detailed requirements, specific characteristics, and other provisions which are sensitive to the particular intended use of printed boards are to be specified in the printed board procurement documentation (see 6.4-18). Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Defense Electronics Supply Center ATTN: DESC-ELST, Dayton, OH 45444-5764 by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter.
intended Use:
Printed boards conforming to this specification are intended primarily for use in electronic and electrical equipment applications.
Document History