MIL-PRF-38535K
CONTENTS
PARAGRAPH
PAGE
D.4.2.4 Multiple criteria .............................................................................................................................................122
D.4.2.5 One hundred percent inspection...................................................................................................................122
D.4.2.6 Tightened inspection ....................................................................................................................................122
F.1 SCOPE ...............................................................................................................................................................129
F.1.1 Scope...............................................................................................................................................................129
F.2 APPLICABLE DOCUMENTS..............................................................................................................................129
F.2.1 General............................................................................................................................................................129
F.2.2 Government documents...................................................................................................................................129
F.2.2.1 Specifications, standards, and handbooks....................................................................................................129
F.2.3 Non-Government publications..........................................................................................................................129
F.2.4 Order of precedence........................................................................................................................................129
F.3 REQUIREMENTS...............................................................................................................................................130
F.3.1 Marking............................................................................................................................................................130
F.3.2 Process monitors .............................................................................................................................................130
F.3.3 Lead finish........................................................................................................................................................130
F.3.4 Item requirements............................................................................................................................................130
F.4 VERIFICATION...................................................................................................................................................131
F.4.1 General operation flow.....................................................................................................................................131
F.4.2 Tape.................................................................................................................................................................131
F.4.3 Bump ...............................................................................................................................................................131
F.4.3.1 Visual examination of bump..........................................................................................................................132
F.4.4 Bond ................................................................................................................................................................132
F.4.4.1 Bond process characterization......................................................................................................................132
F.4.4.2 Visual inspection of bond..............................................................................................................................133
F.4.5 Encapsulant .....................................................................................................................................................133
F.4.5.1 Visual examination of encapsulant................................................................................................................134
F.4.6 Screening.........................................................................................................................................................134
F.4.6.1 Optional internal visual..................................................................................................................................134
F.4.6.2 Internal visual screen....................................................................................................................................134
F.4.6.3 Temperature cycle ........................................................................................................................................134
F.4.6.4 Burn-in ..........................................................................................................................................................134
F.4.6.5 Percent defective allowable (PDA)................................................................................................................134
F.4.6.6 External visual...............................................................................................................................................134
F.4.7 Quality conformance inspection (QCI) .............................................................................................................134
F.4.7.1 Group A inspection .......................................................................................................................................134
F.4.7.2 Group B inspection .......................................................................................................................................134
F.4.7.2.1 Resistance to solvents...............................................................................................................................134
F.4.7.2.2 Attachability................................................................................................................................................134
F.4.7.2.3 Destructive bond strength..........................................................................................................................135
F.4.7.2.4 Constant acceleration ................................................................................................................................135
F.4.7.3 Group C inspection .......................................................................................................................................135
F.4.7.4 Group D inspection .......................................................................................................................................135
F.4.7.4.1 Highly accelerated stress testing (HAST)...................................................................................................136
F.4.7.4.2 Post-test visual examinations.....................................................................................................................136
F.4.8 Major changes .................................................................................................................................................136
G.1 SCOPE...............................................................................................................................................................137
G.1.1 Scope..............................................................................................................................................................137
G.2 APPLICABLE DOCUMENTS .............................................................................................................................137
G.2.1 General............................................................................................................................................................137
G.2.2 Other Government documents, drawings, and publications............................................................................137
G.2.3 Non-Government publications.........................................................................................................................137
G.2.4 Order of precedence .......................................................................................................................................137
G.3 REQUIREMENTS ..............................................................................................................................................138
G.3.1 QM program ....................................................................................................................................................138
G.3.2 Manufacturer's review system.........................................................................................................................138
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ACTEL [ Actel Corporation ]
