SN EN 61191-1 : 1998
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
25-06-2016
12-01-2013
Contents
Clause
1. Scope
2. Normative references
3. Terms and definitions
4. General requirements
4.1 Order of precedence
4.2 Interpretation of requirements
4.3 Classification
4.4 Defects and process deviation indicators (PDIs)
4.5 Process control requirements
4.6 Requirements flowdown
4.7 Physical designs
4.8 Visual aids
4.9 Proficiency of personnel
4.10 Electrostatic discharge (ESD)
4.11 Facilities
4.12 Assembly tools and equipment
5. Materials requirements
5.1 Solder
5.2 Flux
5.3 Solder paste
5.4 Preform solder
5.5 Adhesives
5.6 Cleaning agents
5.7 Polymeric coatings
5.8 Chemical strippers
5.9 Heat shrinkable soldering devices
6. Components and printed board requirements
6.1 Solderability
6.2 Solderability maintenance
6.3 Solder purity maintenance
6.4 Lead preparation
7. Assembly process requirements
7.1 Cleanliness
7.2 Part markings and reference designations
7.3 Solder connection contours
7.4 Moisture traps
7.5 Thermal dissipation
8. Assembly soldering requirements
8.1 General
8.2 Reflow soldering
8.3 Mechanized immersion soldering (non-reflow)
8.4 Manual/hand soldering
9. Cleanliness requirements
9.1 Equipment and material compatibility
9.2 Pre-soldering cleaning
9.3 Post-soldering cleaning
9.4 Cleanliness verification
9.5 Cleanliness criteria
10. Assembly requirements
10.1 Acceptance requirements
10.2 General assembly requirements
11. Coating and encapsulation
11.1 Conformal coating
11.2 Encapsulation
12. Rework and repair
12.1 Rework of unsatisfactory soldered electrical and
electronic assemblies
12.2 Repair
12.3 Post rework/repair cleaning
13. Product quality assurance
13.1 Inspection methodology
13.2 Process control
14. Other requirements
14.1 Health and safety
14.2 Special manufacturing requirements
14.3 Guidance on requirement flowdown
Annexes
A Requirements for soldering tools and equipment
B Qualification of fluxes
C Quality assessment
D Bibliography
ZA Normative references to international publications with
their corresponding European publications
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