2.0 Basic Procedures

Printed Board Type: N/A
Skill Level: N/A
Conformance Level: N/A
Revision: N/A
Revision Date: N/A

2.1 Handling Electronic Assemblies
Procedure covers the proper methods
for handling circuit boards.
  2.2.1 Cleaning, Local
Procedure outlines bench top hand cleaning.
2.2.2 Cleaning, Aqueous Batch Process
Procedure outlines water based batch cleaning.
 
  2.3.1 Coating Removal, Identification of Coating
Procedure covers techniques for identifying various
coatings and recommended coating removal methods.
 
2.3.2 Coating Removal, Solvent Method
Procedure uses solvent for spot removal
of solder mask and surface coatings.
2.3.3 Coating Removal, Peeling Method
Procedure normally used to remove RTV
silicone or other thick rubbery-like coatings.
2.3.4 Coating Removal, Thermal Method
Procedure uses a controlled, low temperature
heating method to remove thick coatings.
2.3.5 Coating Removal, Grinding/Scraping
Procedure uses various grinding and
scraping tools to remove coatings.
2.3.6 Coating Removal, Micro Blasting Method
Procedure uses a micro abrasive blasting system
with fine abrasive powder to remove coatings.
2.4.1 Coating Replacement, Solder Mask
2.4.2 Coating Replacement, Conformal Coating
2.4.3 Coating Replacement, Solder Mask, BGA
Methods to replace coatings and solder mask.
  2.5 Baking and Preheating
Procedure covers baking and preheating of circuit
boards to prepare them for the subsequent operations.
 
2.6.1 Legend/Marking, Stamping Method
2.6.2 Legend/Marking, Hand Lettering Method
2.6.3 Legend/Marking, Stencil Method
Methods to repair or add legend and markings.
2.7 Epoxy Mixing and Handling
Procedure covers epoxy mixing and handling
for various repair and rework requirements.