Illustration of possible specification structures
Column1 |
Column2 |
Column3 |
Column4 |
Column5 |
Column6 |
Applicable to |
Examples of information to be
included |
Possible division of contents
between the different levels |
4-level |
3-level |
2-level |
Two or more
component
families or
sub-families |
- Assessment system rules
- Inspection rules
- Environmental test methods
- Sampling plans
- Identification rules
- Marking standards
- Dimensional standards
- Terminology standards
- Symbol standards
- Preferred number series
|
Basic specification |
Component
family |
- Specific terminology
- Specific symbols
- Specific units
- Preferred values
- Marking
- Quality assessment procedures
- Test and measurement methods
|
Generic |
Generic |
Generic(2) |
Detail(3) |
Component
Sub-family |
- Additional terms
- Additional test methods
- Selection of tests
- Preferred values for :
- Characteristics
-ratings(1)
-test severities
-dimensions
- Qualification approval and /or capability procedures
|
Sectional |
Groups of types
having a common test schedule |
- Quality conformance test schedule
- Inspection requirements
- Information common to a number of types
|
Blank detail |
Blank detail |
Datail(3) |
Detail(3) |
Individual
type |
- Individual values specific information completed
quality conformance test schedule
|
Detail |
Detail |
|
|
1) |
In this guide "ratings" means rated values or
limiting values as appropriate. |
2) |
May include instructions for the writing of detail
specifications. |
3) |
These detail specifications may only be prepared by
technical committees of the IEC or the Rules of
Procedure, IECQ QC 001002. |
|