BS 6493-3:1985
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Semiconductor devices Mechanical and climatic test methods
Hardcopy , PDF
English
31-01-1986
26-10-2018
National foreword
Committees responsible
Chapter I: General
1. Scope and purpose
2. Object
3. Terms, definitions and letter symbols
4. Standard atmospheric conditions
5. External visual examination and verification of
dimensions
6. Electrical measurements
Chapter II: Mechanical test methods
1. Robustness of terminations
1.1 Tensile
1.2 Bending
1.3 Torsion
1.4 Torque
2. Soldering
2.1 Solderability
2.2 Resistance to soldering heat
2.3 Resistance of plastic encapsulated SMDs to the
combined effect of moisture and soldering heat
3. Vibration (sinusoidal)
4. Shock
5. Acceleration, steady state
6. Bond strength test
6.1 General
6.2 Methods A and B
6.3 Method C
6.4 Method D
6.5 Methods E and F
6.6 Information to be given in the relevant
specification
7. Die shear strength test
Appendix to Sub-clause 6.2 - Guidance
Chapter III: Climatic test methods
1. Change of temperature
1.1 Rapid change of temperature: two-chamber method
1.2 Rapid change of temperature: two-fluid-bath method
2. Storage (at high temperature)
3. Low air pressure
4. Damp heat, cyclic
5A. Damp heat, steady state
5B. Damp heat, steady state, accelerated
5C. Damp heat, steady state, highly accelerated
6. Composite temperature/humidity cyclic test
7. Sealing
7.1 Bomb pressure test
7.2 Text deleted
7.3 Fine leak detection: radioactive krypton method
7.4 Fine leak detection: tracer gas method with mass
spectrometer
7.5 Gross leak, perfluorocarbon vapour method using
electronic detection apparatus
8. Salt mist
9. Thermal intermittence test
10. Internal moisture content measurement by mass
spectrometry method
Chapter IV: Miscellaneous test methods
1. Flammability tests of plastic-encapsulated devices
1.1 Flammability (internally induced)
1.2 Flammability (externally induced)
2. Permanence of marking
Special requirements for test methods additional to IEC 60068, and certain specific and complete test methods.
| Committee |
EPL/47
|
| DocumentType |
Standard
|
| Pages |
42
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| IEC 60749:1984 | Identical |
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