BS EN 60122-1 : 2002

1 General
  1.1 Scope
  1.2 Normative reference
  1.3 Order of precedence
2 Terminology and general requirements
  2.1 General
  2.2 Terms, definitions and classification of
       phenomena
  2.3 Preferred ratings and characteristics
       2.3.1 Temperature ranges in degrees Celsius
              (degree C) suitable for ambient operation
       2.3.2 Elevated temperature ranges in degrees
              Celsius (degree C) suitable for oven
              control
       2.3.3 Frequency tolerance (1x10[-6])
       2.3.4 Circuit conditions
       2.3.5 Levels of drive
       2.3.6 Drive level dependency
       2.3.7 Climatic category
       2.3.8 Bump severity
       2.3.9 Vibration severity
       2.3.10 Shock severity
       2.3.11 Leak rate
  2.4 Marking
3 Quality assessment procedures
  3.1 Primary stage of manufacture
  3.2 Structurally similar components
  3.3 Subcontracting
  3.4 Manufacturer's approval
  3.5 Approval procedures
       3.5.1 General
       3.5.2 Capability approval
       3.5.3 Qualification approval
  3.6 Procedures for capability approval
       3.6.1 General
       3.6.2 Eligibility for capability approval
       3.6.3 Application for capability approval
       3.6.4 Granting of capability approval
       3.6.5 Capability manual
  3.7 Procedures for qualification approval
       3.7.1 General
       3.7.2 Eligibility for qualification approval
       3.7.3 Application for qualification approval
       3.7.4 Granting of qualification approval
       3.7.5 Quality conformance inspection
  3.8 Test procedures
  3.9 Screening requirements
  3.10 Rework and repair work
       3.10.1 Rework
       3.10.2 Repair work
  3.11 Certified records of related lots
  3.12 Validity of release
  3.13 Release for delivery
  3.14 Unchecked parameters
4 Test and measurement procedures
  4.1 General
  4.2 Alternative test methods
  4.3 Precision of measurement
  4.4 Standard conditions for testing
  4.5 Visual inspection
       4.5.1 Visual test A
       4.5.2 Visual test B
       4.5.3 Visual test C
  4.6 Dimensioning and gauging procedures
       4.6.1 Dimensions, test A
       4.6.2 Dimensions, test B
  4.7 Electrical test procedures
       4.7.1 Frequency and resonance resistance
       4.7.2 Drive level dependency
       4.7.3 Frequency and resonance resistance as a
              function of temperature
       4.7.4 Unwanted responses
       4.7.5 Shunt capacitance
       4.7.6 Load resonance frequency and resistance
       4.7.7 Frequency pulling range (f[L1], f[L2])
       4.7.8 Motional parameters
       4.7.9 Insulation resistance
  4.8 Mechanical and environmental test procedures
       4.8.1 Robustness of terminations (destructive)
       4.8.2 Sealing tests (non-destructive)
       4.8.3 Soldering (solderability and resistance to
              soldering heat) (destructive)
       4.8.4 Rapid change of temperature, two-fluid bath
              method (non-destructive)
       4.8.5 Rapid change of temperature with prescribed
              time of transition (non-destructive)
       4.8.6 Bump (destructive)
       4.8.7 Vibration (destructive)
       4.8.8 Shock (destructive)
       4.8.9 Free fall (destructive)
       4.8.10 Acceleration, steady state (non-destructive)
       4.8.11 Dry heat (non-destructive)
       4.8.12 Damp heat, cyclic (destructive)
       4.8.13 Cold (non-destructive)
       4.8.14 Climatic sequence (destructive)
       4.8.15 Damp heat, steady state (destructive)
       4.8.16 Immersion in cleaning solvents (non-destructive)
  4.9 Endurance test procedures
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications
Bibliography
Figures
Tables

Gives the methods of test and general requirements for quartz crystal units of assessed quality using either capability approval or qualification approval procedures.