MIL-PRF-50884 Printed Wiring Board, Flexible Or Rigid-Flex, General Specification ForThis specification establishes the performance and qualification requirements for flexible and rigid-flex printed wiring boards with or without plated through holes \(see 6.1\). Verification is accomplished through the use of one of two methods of product assurance \(appendix A or appendix B\). Detail requirements, specific characteristics, and other provisions which are sensitive to the particular intended use are specified in the applicable master drawing.

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MIL�PRF�50884F

CONTENTS

PARAGRAPH

PAGE

1. SCOPE ................................................................................................................................................................... 1

1.1 Scope ................................................................................................................................................................ 1

1.2 Classification ..................................................................................................................................................... 1

1.2.1 Printed wiring board type ............................................................................................................................ 1

1.2.2 Installation use ............................................................................................................................................ 1

1.2.3 Rework capability ........................................................................................................................................ 1

1.2.4 Flexible base material ................................................................................................................................. 1

1.2.5 Rigid base material ..................................................................................................................................... 1

1.2.6 Wrap plating................................................................................................................................................ 2

1.3 Description of this specification ......................................................................................................................... 2

2. APPLICABLE DOCUMENTS .................................................................................................................................. 2

2.1 General.............................................................................................................................................................. 2

2.2 Non�Government publications .......................................................................................................................... 2

2.3 Order of precedence.......................................................................................................................................... 3

3. REQUIREMENTS ................................................................................................................................................... 3

3.1 General requirements........................................................................................................................................ 3

3.1.1 Master drawing ........................................................................................................................................... 3

3.1.2 Conflicting requirements ............................................................................................................................. 3

3.1.3 Terms and definitions.................................................................................................................................. 3

3.2 Qualification....................................................................................................................................................... 3

3.3 Product assurance requirements....................................................................................................................... 3

3.3.1 QPL product assurance .............................................................................................................................. 4

3.3.2 QML product assurance.............................................................................................................................. 4

3.4 Letters of interpretation and policy .................................................................................................................... 4

3.5 Recycled, recovered, environmentally preferable, or biobased materials.......................................................... 4

3.6 Certification of conformance and acquisition traceability ................................................................................... 4

3.7 Qualifying activity on�site audit ......................................................................................................................... 5

3.8 Change effectivity .............................................................................................................................................. 5

3.9 Workmanship .................................................................................................................................................... 5

4. VERIFICATION ....................................................................................................................................................... 5

4.1 Classification of inspections .............................................................................................................................. 5

4.2 Printed wiring board performance verification ................................................................................................... 5

4.2.1 QPL............................................................................................................................................................. 5

4.2.2 QML ............................................................................................................................................................ 5

4.3 Qualification inspection...................................................................................................................................... 5

5. PACKAGING........................................................................................................................................................... 5

5.1 Packaging.......................................................................................................................................................... 5

6. NOTES.................................................................................................................................................................... 6

6.1 Intended use...................................................................................................................................................... 6

6.2 Acquisition requirements ................................................................................................................................... 6

6.3 Qualification....................................................................................................................................................... 6

6.3.1 Transference of qualification ....................................................................................................................... 6

6.3.2 Retention of qualification............................................................................................................................. 6

6.3.2.1 Legacy manufacturer certification program .............................................................................................. 6

6.3.4 `Provisions Governing Qualification ............................................................................................................ 6

6.4 Terms and definitions ........................................................................................................................................ 7

6.4.1 Acquiring activity ......................................................................................................................................... 7

6.4.2 Design standard .......................................................................................................................................... 7

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