MILPRF55110G
APPENDIX B
B.4
B.4. VERIFICATION
B.4.1
B.4.1 Qualification inspection (reciprocal qualification from MIL-PRF-31032). A reciprocal qualification listing
(i.e., from a technology qualified to a MIL-PRF-31032 specification sheet) to this document will depend on the level
of QML technology qualified. Unless otherwise detailed in MIL-PRF-31032 qualification test plan, the following
guidelines will apply:
a.
Printed board type (see 6.5.3 and A.4.5.4.1). The extent of qualification for base materials types defined in
A.4.5.4 will apply. EXAMPLE: A type 2 qualification under a MIL-PRF-31032 specification sheet will not
justify a type 3 qualification listing to this document.
Printed board material (see A.4.5.4.2). The extent of qualification for base materials types defined in
b.
A.4.5.4 will apply. EXAMPLE: A qualification using a woven aramid reinforced thermosetting epoxy resin
base material under a MIL-PRF-31032 specification sheet will justify and equivalent base material
qualification listing to this document.
c.
Complexity. The QPL/QML manufacturer can supply QPL compliant printed wiring boards greater than
their qualified QML capability (similar to the traditional QPL product assurance level). Printed board
designs verified using the QPL/QML option shall flow through the conversion of customer requirements
element of the approved Quality Management (QM) plan as described in MIL-PRF-31032 appendix A.
The Technical Review Board (TRB) shall evaluate designs exceeding their current QML-31032
qualification listing to determine if the add-on qualification provisions of MIL-PRF-31032 shall be used.
Reasons for not using the add-on qualification provisions shall be documented in the periodic status
reports.
B.4.1.1
B.4.1.1 Concurrent qualification. Manufacturers already qualified to the QPL level of this document will retain that
listing after transitioning to the QPL/QML level. The 3 year expiration time will not apply to the QPL/QML product
assurance level.
B.4.1.2
B.4.1.2 Retention (see B.6.4). The QML status report described in MIL-PRF-31032 will cover the QPL/QML
retention requirements to this document.
B.4.2
B.4.2 QPL/QML product assurance. The product assurance requirements for the QPL/QML level of printed wiring
board furnished under this specification shall be satisfied by certification to MIL-PRF-31032. All printed wiring boards
manufactured and delivered in compliance with this appendix should be produced in accordance with the approved
quality management plan.
B.4.3
B.4.3 Printed wiring board performance verification. Printed wiring board performance verification inspection shall
consist of inspections on the production printed wiring boards and test coupons specified in the applicable
MIL-PRF-31032 specification sheet. The following details are applicable to the QPL/QML product assurance level:
B.4.3.a
a. Lot conformance inspection (LCI) product acceptance testing should be based on the applicable verification
flows (in-process and group A) offered by this document (see A.4.4 and appendix D) or the routine from a
similar technology described by a MIL-PRF-31032 specification sheet. The various verification flows should
be based upon the design standard used to design the printed wiring boards and the available panel test
coupons for the printed wiring boards.
B.4.3.b
b. MIL-PRF-31032 periodic conformance inspection (PCI) program can be used in lieu of group B inspection
(see A.4.7.1).
c.
Test optimization is applicable to this appendix and can be applied to any verification flow detailed in this
document.
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